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LTE Latin America 2012

           17-18 April 2012
          Windsor Barra Hotel,
          Rio de Janeiro, Brasil




   OI’s CASE STUDY
             Alberto Boaventura
   Diretoria de Tecnologia e Plataformas
              +55 21 8875 4998
Presentation Duration:
   6 h and 30 min!!!



                   Diretoria de Tecnologia e Plataformas
What is LTE?
    3GPP LTE (Long Term Evolution) is a standard for wireless high-speed data to mobile phones
   and data terminals. It is based on the GSM / EDGE and UMTS / HSPA, totally over IP, with the
      increased capacity and throughput using new modulation techniques, smart antenna
                                systems and self-organizing network.




                                           IEEE 802.11ac (<6 GHz)
                                           IEEE 802.11ad (>60 GHz)




                                                                               ADVANCED
                                                                                   ITU-R M.2034
                                                                        Spectral Efficiency
                                                                         DL                  15 bits/Hz
                                                                         UL                 6.75 bits/Hz
                                                                        Latency
                                                                         User Plane            < 10 ms
                                                                         Control Plane        < 100 ms
                                                IEEE 802.16m
                                                                        Bandwidth
                                                                         ITU-R M.2034          40 MHz
                                                                         ITU-R M.1645         100 MHz


                                                                                     Diretoria de Tecnologia e Plataformas
What is LTE?


  OFDM           MIMO             Flexibility




  Flat           Self Organized   Evolution
  Architecture   Network




                                              Diretoria de Tecnologia e Plataformas
OFDM and Flat Architecture
OFDM (Orthogonal Frequency Division Multiplex)

    New air interface based on OFDM (UL SC-OFDMA & DL OFDMA)
    OFDMA is quite similar with respect to FDMA frequencies the division
   for information transfer;
    It uses the encoding process modulated in sub​​-bands with
   orthogonal carriers;
    General air interface control plane simplification for latency reduction
                                                                                          Subbands

                              Ik/Qk              Ik/Qk
  DMS               Codif.              IFFT             DA

                                                                t                   Duração do f
                                                                                     Símbolo


SAE (System Architecture Evolution)

                                                                                                    Architecture, protocols, interfaces completely
                                      HLR/HSS            IMS                                       based on IP
                                                 Sh
                                           S6a                  Rx         Ro/Rf
                                                                                                    There is no longer the controlling element of the
                                                                                                   access network (BSC / RNC), with mobility
                                                 Sp
                                                                               OCS/                management functions performed by the ENB.
                                       MME               PCRF
                                                                               OFCS                 There is no longer the domain CS (Circuit
                      S1-AP                                           Sy
               X2                         S11                   Gx          Gy/Gz
                                                                                                   Switched) services and legacy will be emulated by
                                                                                                   IMS (SMS and Voice)
                                                                               Internet             Seamless integration with non-3GPP access (eg
                                       S-GW              P-GW
                                                 S5                  SGi                           Wi-Fi/WLAN)
                                                 S5
                                                                                                    General simplification in RMM state machine

                    E-UTRAN              Evolved Packet Core
                                                                                                                             Diretoria de Tecnologia e Plataformas
MIMO & SON
MIMO (Multiple Input, Multiple Output)

 Multiplexing: Different signals                         Diversity: Same signal
                                                                                                                    Beamforming




                                                                  BER
       Capacity




                                                                                                                  SINR
                   min(NTx , NRx) Antenna                                               SNR                                                    Time


Self Organized Newtork
                                  Self-Planning & Dynamic Re-planning
                  Self-Configuration                               Self-Optimization                                          Self-healing

                    Plug and Play                                   Self Adjustment                                            Self Repair
    Automatic Configuration and setup                        Real time network adjustments                   Automatic and quick failure mitigation

           Automatic Inventory
                                                       MIMO + SON = Coordenation Multi-Point (CoMP) Control for effective interference between cells
       Automatic Neighbor Relations                                                                                      (inter-cell inerference)

                                                                                                               Smallcells                     Heterogeneous
                                                           Essential tool to increase coverage and                                              Network
                                                          capacity
                                                           Two modes:
                           X2
                                                              Coordinated scheduling & Beamforming
                                                              Joint processing/transmission

                                                                                                                                Diretoria de Tecnologia e Plataformas
Flexibility & Evolution
Different supported bandwidth                                TDD & FDD                                         Several supported bands
1,4 MHz                                                    DL                 UL
                                             TDD
  3 MHz
  5 MHz                                                                            Tempo
 10 MHz                                                    UL                 DL
                                             FDD                                                               43 bands are defined in Rel. 10
 15 MHz
 20 MHz                                                                        Freqüência

Bands in World:                                                                           Rational Band Usage:
   Band                3GPP (LTE)                     Status
  700 MHz           Bands 12, 13 & 14          USA, Colômbia & Peru
  800 MHz             Band 20 (DD)        Europe DD, Germany, UK, Sueden
   850 MHz              Band 5                            Korea                                                 Capacidade: >2 GHz
  1800 MHz              Band 2                           Europe                                 Cobertura ou Capacidade: > 1 GHz & <2 GHz
     AWS                Band 4                             USA
  2100 MHz              Band 1                            Japan                                                  Cobertura: < 1 GHz
  2300 MHz              Band 40                            Asia
  2600 MHz              Band 7                           Europe
                                                                                                     Combined used for LTE Advanced
3GPP Releases and world introduction expectation

      2010-                2010            2011                   2012                  2013                      2013+
                        EDGE (Rel 7)    E-EDGE (Rel 8)                                                                          Release 11

                         DL:474 kbps    DL:1,89 Mbps                                                            Release 10
                         UL:474 kbps    UL: 947 kbps
                                                                                                   Release 9

                                                                                    Release 8
    HSPA+ (Rel 7)      HSPA+ (Rel 8)    HSPA+ (Rel 9)        HSPA+ (Rel 10)
                                                                                   2007     2008        2009      2010       2011      2012
    DL: 28 Mbps         DL: 42 Mbps      DL: 84 Mbps          DL: 168 Mbps
    UL: 11,5 Mbps       UL: 11,5 Mbps    UL: 23 Mbps           UL: 23 Mbps
     BW: 5 MHz           BW: 5 MHz       BW: 10 MHz          BW: 20/10 MHz         IMT Advanced
    LTE (Rel 8)                                    LTE (Rel 9)           LTE (Rel 10)                           LTE (Rel 11)
    DL: 300 Mbps                                     Network             DL: 1.2 Gbps
    UL: 45 Mbps                                     resources            UL: 568 Mbps                           DL:> 1.2 Gbps
    BW: 20 MHz                                     optmization           BW: 40 MHz                             BW: 100 MHz

                                                                                                                             Diretoria de Tecnologia e Plataformas
What does LTE stand for?


   Mobile Broadband     New Services   TCO Reduction




   Brazilian Policies   M2M            LTE Trial




                                                   Diretoria de Tecnologia e Plataformas
Mobile Broadband
The Internet and broadband continue to grow                                                       Broadband, people's welfare and progress
           1.8 B & Internet Users Growth +13% year-on-year                         McKinsey estimates that “a 10% increase in broadband’s household penetration
                                                                                         delivers a boost to a country’s GDP that ranges from 0.1% to 1.4%.
             18.8T Minutes & Growth +21% year-on-year
                                                                                    Booz estimates that broadband penetration of 10% higher a year is related to
500 MM                                                                  40,00%             the 1.5% growth in labor productivity over the next five years.
             384 29%                     Users
400 MM                                   Growth                         30,00%
                             23%                                                                      When a person is connected, his life changes!
300 MM                                                       238
                                        14%           13%               20,00%
200 MM                 130
100 MM                             67            39                4%   10,00%

    0 MM                                                                0,00%
              China      India     Brasil        Russia        USA




                                                                                                                                                                                                      Fixed & Mobile Broadband (Millions)
                                                                                                           Fixed & Mobile Accesses (Millions)
                                                                               Mobile devices are                                                      Fixed telephone lines
Substitution or Convergence?                                                preferred in the younger                                            1000   Mobile cellular subscriptions            200
                                                                               generations for the
                                                                                establishment of                                                       Fixed broadband subscriptions
80,0%                                                        18 a 24          telecommunications                                                       Mobile broadband subscriptions
                                                             25 a 34                services.
60,0%                                                                                                                                           500                                             100
40,0%                                                       35 a 44
                                                            45 a 54        In Latin America, it is
20,0%                                                                    expected that the number
0,0%                                                        55 a 64        of mobile broadband
               Local                    LD                                access to overcome the                                                  0                                             0
                                                            65 ~




                                                                                                                                                       2001
                                                                                                                                                       2000

                                                                                                                                                       2002
                                                                                                                                                       2003
                                                                                                                                                       2004
                                                                                                                                                       2005
                                                                                                                                                       2006
                                                                                                                                                       2007
                                                                                                                                                       2008
                                                                                                                                                       2009
                                                                                                                                                       2010
                                                                                                                                                       2011
                                                                                                                                                       2012
                                                                                                                                                       2013
                                                                                                                                                       2014
                                                                                                                                                       2015
    Source: Femtoforum                                                         fixed in 2012.

Growth in Mobile Broadband                                                                                                                                                 Source: ITU/ICT/MIS
                                                                             At the same time, it is
6   Mbps        América Latina                                             expected that the average
                America do Norte                                            grows exponentially. In
5   Mbps                                                                    Brazil, the growth is 82%
                Europa Ocidental
4   Mbps                                                                     year-on-year by 2015
                Brazil                                                         according to Cisco
3   Mbps
2   Mbps                                                                   Video is now 40% of
1   Mbps                                                                 Internet traffic, and will
                                                                           reach 61% by 2015 .
0   Mbps
                                                                         6.3 exabytes per month
            2009 2010 2011 2012 2013 2014 2015                          across the mobile network
                              Source: Cisco VNI 2010                    by 2015, 4.2 exabytes will                                                                   Source: Cisco VNI 2010
                                                                             be due to video.
                                                                                                                                                                     Diretoria de Tecnologia e Plataformas
New Services & M2M
Mainframe-> Mini-> Desktop -> Smartphones/Tablets
                                            5 trends for convergence: MBB + Social                                                   Internet
                                            Networking + Video + VoIP + usability in                                                  Móvel
                                                       different devices                                                  Internet
                                          The significant growth forecast for the mobile
                                            Internet is justified by the integration of                         Desktop
                                          features (for personal use) in a single device,
                                                                                              Mainframe Mini                         10 B+
                                           making it in some years, the primary device
                                                        from the desktop.
                                         It is estimated that the demand for Tablet can                                    1 B+
                                              surpass 100 million shipments by 2012
                                              Smartphones and tablets, in particular,                           100 MM+
                                         catalyze the demand for the business market,
                                              allowing a marriage to the world of IT             1 MM+ 10 MM+
                                                    through Cloud Computing
                                                                                                 1960   1970    1980      1990       2020+
Machine to Machine
  1st Phase: Vertical Applications       2nd Phase: Regulation              3rd Phase: Internet of
                                                                                   Things
  Applications:                      Applications:                   Applications:
     POS                                POS                           POS
     Fleet Management                   Fleet Management              Fleet Management
       Telecom + Transportation + Utilities Tracking
      Tracking             Tracking          + Health +
                                                                                                                   50 billion
                     Government =Cameras Cities
                                       Smart  Monitoring Cameras
     Mobile Payment       Mobile Payment    Mobile Payment
                           Monitoring                                                                            connected
                                         Energy Meters                 Energy Meters                          devices by 2020
                                         Toll Payment                  Toll Payment
                                                                        eCall
                                                                        Remote Maintenance
                                                                        Media Synchronization
                  2010                           2015                            2020
                                                                         Health Monitoring

                                                                                                                   Diretoria de Tecnologia e Plataformas
TCO Reduction
Dilemma of Broadband: Decoupling Revenue and Traffic

                                 Tráfego (Custo)
                                                       Service     Throughput    Price €        Cost/         Price/            Releative          The relative price per
                                                                    & Volume                    Mbyte         MByte               Price                Mbyte when
                                                        SMS         160 Bytes  €0.15/            €X           € 1.000            400.000               compared to
                                                                             mensagem                                                                  broadband is:
                                         Receita
                                                        Voz         10 kbps 0.05 a € 0.5         €Y          € 0.7 - € 7        300 - 3000            400,000 times
                                                                             o minuto                                                                greater for SMS and
        Domínio de Voz      Domínio de Dados          Dados (3      3 GBytes €20 / mês          € Y/5         € 0.007               3                300-3000 times
                                                       GBytes)                                                                                       greater for the voice
                                                     Mobile TV     50 horas @    €5 / mês       € Y/5        € 0.0023               1                      service.
                                                   Unicast (50 hrs) 100 kbps
                                                                                      Source: Agilent (LTE World Summit 2010)
CapEx
       Cost per Base Station: LTE vs 3G                                               Base Station Density (eNB/km2 ) vs User Density (users/km2)

$$$                                                                 0,2000                                                       3,0000
                                                                                       Low density                                                 High density
$$$                                                                 0,1500
                                                                                                                                 2,0000
$$$                                                3a. Portadora
                                                                    0,1000
$$$                                                2a. Portadora    0,0500
                                                                                                                                 1,0000
$$$                                                NodeB            0,0000                                                       0,0000
$$$                                                LTE (X)                   0             20           40                 60               0              500                 1000
$$$                                                                          1800 MHz (10)              2600 MHz (20)                     1800 MHz (10)            2600 MHz (20)
       3G (1)    3G (2)   3G (3)    3G (4)                                   HSPA+                      HSPA+ (DC)                        HSPA+                    HSPA+ (DC)
                                      Source: Planejamento/2011
OpEx                                                                                                                                                             Source: GTEC/2011

      Self Organized Network                            Self-Planning & Dynamic Re-planning

                                                                    Self-Configuration                                           Based on "Heavy Reading:
                                                                                                                                   4G/LTE Insider 2010"
                                                                    Self-Optimization                                             The estimated savings in
                                                                                                                                        OpEx is 40%
                                                                       Self-healing
                                                                                                                                                 Diretoria de Tecnologia e Plataformas
PNBL
 Fixed Broadband: Penetration and Income regional distribuition                                        Fixed Broadband: Penetration vs Price
                                                                                                                                                                México
                                                         Accesses/Home Per Capita Income                           30%                                          Brasil




                                                                                                Home penetration
                                            North            13,5%         R$ 449,00                                                                            Argentina
                                                                                                                   20%                                          Venezuela
                                         Northeast           4,0%          R$ 381,00
                                                                                                                                                                Colômbia
                                        Center-West          20,0%         R$ 760,00                               10%                                          Peru
                                          Southest           23,8%         R$ 748,00
                                                                                                                                                                Chile
                                                                                                   0%
                                            South            21,3%         R$ 759,00                                                                            USA
                                                                                                PPP $0,00                      $50,00            $100,00
                                                                        Source: PNBL 2009                                Source: IPEA 2009/ITU ICT/MIS 2010/Cisco VNI 2010


        Broadband access definition: an access with traffic flow such as to allow consumers, individual or corporate, fixed
             or mobile, to enjoy, with quality, a bundle of services and applications based on voice, data and video.
                             Private Fixed Access Equipment                  Public Fixed Access Equipment                          Mobile Broadband Access:
                                    (Urban and Rural):                             (Urban and Rural):

                             Private Fixed Access Equipment               Bringing broadband access to 100%                      60 million mobile broadband
                                    (Urban and Rural):                        of the organs of government,                       access: terminals voice / data
                            30 million fixed broadband access                including: administration, rural                  (with active data service) and data
                             (urban and rural), adding to the             public schools (70k), health facilities                         modems only.
    2014                    access in homes, companies and
                                       cooperatives.
                                                                           (177k), public libraries (>10k), law
                                                                              enforcement agencies (>14k).

Offer Policy                                                          Demand Policy                                                 Quality Policy
 New edition PGMU III and Review of Concession Agreements              Restraint of tying                                           Regulation of Quality of Services
 General Plan Competition – PGMC                                       Computers for All Program                                    Regulation of Network Neutrality
 New frequency bands (450, 2600, 3500 MHz)                             Tax exemption by the Union and Federation
   Regulating resale of services                                      States
   Regulation of infra/net sharing                                     FISTEL differentiated regime for small
   Regulation of Significant Market Power – PMS                       providers of SCM
   Additional regulation for the SCM
   Revision of Regulations for Compensation Network
   Deploying converged license
   Definition of traffic exchange points – PTT
   Reduce the cost of SCM license for small providers
   Granting of new concessions to TV via cable
                                                                                                                                           Diretoria de Tecnologia e Plataformas
Auction for 450 MHz & 2500 MHz
                        Wide country license (15+15 years)                                               Coverage Obligations
2600 MHz                Mobile operators only (SMP)
                                                                                                                   450 MHz                                                    2600 MHz




                                                                                                                                             2012
                                                                                                         Service for access to broadband                           Availability of towers and other
                                                                                                         Internet, free of charge in all                           infrastructure implementation
 P        W     V1 V2     X        T              U                   P     W     V1 V2      X           public schools located in rural                           support, transport to the fulfillment
                                                                                                         area of ​service provision;                               of commitments covered by the
                                2570                                                                                                                               winning bidder of Lot 1 (450 MHz




                                                                  2620




                                                                                                  2690
2500




                                                                                                                                                                   separately) up to the shared costs




                                                                                                                                             2013
                                                                                                         30% of municipalities. (Dec/2013)                         Host Cities of das Confederations
Per local area (15 +15 years)                                                                                                                                      Cup (Apr/2013)
Multimedia and mobile operators (SMP & SCM)                                                                                                                        Host and Additional Cities for
                                                                                                                                                                   FIFA World Cup 2014 (Dec/2013)
450 MHz                       1 subband FDD 7+7 MHz




                                                                                                                                             2017 2016 2015 2014
                                                                                                         60% of municipalities (Dec/2014)                          Capitals, municipalities with more
                                                                                                                                                                   than 500k inhabitants and also the
                                                                                                                                                                   Federal District (Dec/2014)
                                        SLMP

                                               SLP e

                                                         SARC




                                                                                                         100% of municipalities                                    Municipalities with more than
   SARC




                                                SLE




              SMP, STFC e SCM                                            SMP, STFC e SCM
                                                                                                         (Dec/2015)                                                200k inhabitants (Dec/2015)
               SLP              SLP

                                                                                                                                                                   Municipalities with more than
                                                                                            468
   450
   451




                                       458




                                                       460

                                                                461




                                                                                                                                                                   100k inhabitants (Dec/2016)

                                                                                                         Download throughput of 1 Mbps,                            Municipalities between 30 k and
Auction Dynamics                                                           Type B (Lot 2 - 5)            upload 256 kbps, and a minimum                            100k inhabitants, there will be at
                                                                                                         monthly 500 MB Overage-Free.                              least one provider at 2.5 GHz;
                                                                            450 e 2600 MHz                Can be met using another radio                           Service offerings in technological
       Type A (Lot1)                                                                                     frequency.                                                conditions equivalent to 3G.
          450 MHz                                                                      No                 As the schedule PGMU.                                    30% Municipalities below 30k, with
                                                                                                         (Dec/2017)                                                superior technology than 3G.
                                                                                                                                                                   (Dec/2017)
Lot 1 – Highest discount offered on                                             Winner?




                                                                                                                                             2018
                                                                                                                                                                   60% Municipalities below 30k, with
plan and wholesale for individual                                                                                                                                  superior technology than 3G.
accesses and Payphone.                                                                Yes
                                                                                                                                                                   (Dec/2018)
Lot 2 till 76 – Highest price offered at
                                                                                                                                                                   100% Municipalities below 30k,



                                                                                                                                             2019
final bid presentation.                                                    Type C (Lot 6 - 9)                                                                      with superior technology than 3G.
                                                                                2600 MHz                                                                           (Dec/2019)

                                                                                                                                                                         Diretoria de Tecnologia e Plataformas
LTE Trial
Overview:

                                           Goals
                  Program for testing systemic compliance and performance to:
                                                                                                 Cabo Frio          Teresópolis
   Technology Internalization                                                                     (ALU)             (Ericsson)
   Technology, architecture, end-to-end service evaluation
    Anticipation and assessment of potential problems in future implementation
    Evaluation of suppliers                                                                     Araruama              Itaguaí
                                                                                                 (Huawei)               (NSN)

          Phase 0                        Phase 1                         Phase 2                  Macaé
                                                                                                  (ZTE)
 Standard compliance            Special feature tests          Outdoor performance
  tests                                                           tests
 Systemic tests

Trial Participants:




 Altogether there were nine companies involved with more than 100 professionals, to perform planning,
         installation, configuration and execution over 50 tests in access, core and IMS network.

Scope of Trial:


         Access Network                   Transport Network                       Core Network               IMS & PCRF

                              Complete 2G/3G/4G Mobile Network
                                                                                                       Diretoria de Tecnologia e Plataformas
Trial Topology

Logical Topology
                                                  GERAN                                                                                     PSTN/
                                                  UTRAN                                MSS                               MGW
                                                                                                      C                                     PLMN
                                                                         A/IuCS

                                                                             Gb/IuPS     SGs/SvC   HLR/HSS                      Mc
                                                                                                                         Sh
                                                     eNB                                                   Sp                           Oi-Lab and
                                                                                       SGSN                                               Indoor
                                                                                       MME          PCRF                  IMS          environment
                                                          X2                                                    Rx
                                                                                          Gn/S11
                                                                                                     Gx
                                                                                       GGSN                     Gm
                                                               S1-AP     S1-AP         S-GW                                                Internet
                                              eNB
                                 Outdoor                                               P-GW                          Gi/SGi
                               environment             S1-U
                                                                         S1-U
                                                       X2
                                                                       eNB
Physical Topology

            Outdoor                                 Indoor (Oi-Lab)
                                                                              eUTRAN
                                                           GERAN                        MSS        MGW
                                                           UTRAN                                                 HLR/HSS


                      PTN                                                                                  Switch LAN
                                        Metro
                                       Ethernet

              eNB                                                                                               JDSU’s Probe
                                                                   PTN

                                                                                       GGSN
             eNB                                                          SGSN
                                                                                       S-GW        PCRF               IMS
                                                                          MME
                                                                                       P-GW
                            IP Radio


                                                                                                                              Diretoria de Tecnologia e Plataformas
Phase 0: Tests in Detail
Latecy                              Single User Throughput               MIMO Scheme Testing                   Cell Capacity
 Attach latency                     Single user peak throughput,        Downlink TCP Throughput at           Downlink TCP/UDP cell peak
 Idle to Active latency              Downlink UDP                         Cell Edge with 2*2MIMO                capacity with PDCCH symbol
 User plane latency, ping           Single user peak throughput,         Transmit Diversity Configuration      adaptive of 6 UEs
  32/1000/1500Bytes, pre-             Downlink TCP                        Downlink TCP Throughput at           Uplink TCP/UDP cell peak
  scheduled                          Single user peak throughput,         Cell Edge with 2*2MIMO                capacity of 6 UEs
 User plane latency, ping            Uplink UDP                           Adaptive Configuration               Downlink TCP/UDP cell peak
  32/1000/1500Bytes, non-pre-        Single user peak throughput,                                               capacity, 1 GBR with 5 NGBR
  scheduled                           Uplink TCP                                                                 with PDCCH adaptive
                                                                                                                Uplink TCP/UDP cell peak
                                                                                                                 capacity, 1 GBR with 5 NGBR
Security Management                                                      IPV6
 Authentication                    SON                                   IPV6 address allocation by
 Subscriber data and signaling      Automatic Neighboring Relation       PDNGW                               VoIP by IMS
  confidentiality                                                         Static IPv6 Address subscribed in    Attach & Register
   NAS encryption and integrity                                           the HSS                                Attach to EPC and register
     protection, EIA1 and EEA1                                            Dynamic IPv4IPv6 Address                 to IMS
     algorithm supported                                                   subscribed in the HSS
   NAS encryption and integrity
                                    Policy Charging Control                                                       De-Registration initiated by
     protection, EIA2 and EEA2       Bandwidth control according                                                   subscriber
     algorithm supported              subscriber category                                                         De-Registration initiated by
   NAS encryption, NULL             Policy Charging Control based on   LTE Mobility with Legacy                   HSS
     algorithm supported              services                           Networks                               Authorization
                                       Bandwidth control according       UL IRAT                                Registration Authentication
                                          P2P service by predefined       • Redirection without                     - SIP Digest
                                          PCC rule                          measurements from LTE to              Session Authentication - SIP
                                       Bandwidth control according         UMTS                                    Digest
EPC Pooling                               FTP service by predefined       • Reselection from LTE to UMTS        Voice call
 S1-Flex based on the MME load           PCC rule                          from LTE to UMTS                      Voice call
 S1-Flex redundancy under the       Bandwidth control according         GL IRAT                                Failure call - callee busy
  outage of MME with                  busy time                           • LTE to GERAN cell reselection         Failure call - callee not
  failover scenario                  Policy Charging Control based on      for a PS attached UE in idle            registered
 PDN GW and Serving GW               quota usage status                    mode                                  Failure call - callee no
  Selection based on the               Bandwidth control according       • LTE to GSM redirection                  answer
  Integrated Strategy                     quota usage status on             without measurement
 PDN GW and Serving GW                   session level
  Selection based on the Priority      Bandwidth control according
 PDN GW and Serving GW                   quota usage status on
  Selection based on the Weight           service level
 PDN GW and Serving GW
  Selection based on the
  Topologically Closest


                                                                                                                    Diretoria de Tecnologia e Plataformas
Phase 0: A Sample Results

Latency                              Control Plane                                                                   User Plane
600 ms                                                                            30,0 ms

400 ms                                                                            20,0 ms

200 ms                                                                            10,0 ms

  0 ms                                                                             0,0 ms
             Vendor 1      Vendor 2        Vendor 3     Vendor 4     Vendor 5               Vendor 1      Vendor 2     Vendor 3      Vendor 4      Vendor 5
                        Attach latency      Idle to Active latency                                      Ping 32    Ping 1000    Ping 1432

Single User Throughput
                                         Downlink                                                                      Uplink
105,0 Mbps                                                                      60,0 Mbps

100,0 Mbps
                                                                                40,0 Mbps
 95,0 Mbps
                                                                                20,0 Mbps
 90,0 Mbps

 85,0 Mbps                                                                       0,0 Mbps
                Vendor 1   Vendor 2          Vendor 3    Vendor 4    Vendor 5               Vendor 1     Vendor 2    Vendor 3     Vendor 4      Vendor 5
                       UDP                              TCP                                            UDP                        TCP

Cell Capacity (Per user throughput @ 6 UEs)
                                         Downlink                               10,0 Mbps
                                                                                                                       Uplink
30,0 Mbps

20,0 Mbps
                                                                                 5,0 Mbps
10,0 Mbps

 0,0 Mbps                                                                        0,0 Mbps
               Vendor 1         Vendor 2    Vendor 3      Vendor 4   Vendor 5               Vendor 1     Vendor 2    Vendor 3     Vendor 4      Vendor 5
                          UDP                           TCP                                             UDP                        TCP
                                                                                                                             Diretoria de Tecnologia e Plataformas
Phase 2: Tests in Detail
Two test modes

                     (A) User Static                                                               (B) User Mobility
                     SINR < 6 dB                                                                   Drive Test, considering user
                     6 dB < SINR < 13 dB,                                                          mobility route around the base
                     SINR > 13 dB                                                                  station with a speed of 30-50 km/h.




           Test 1: Throughput                             Test 2: Cell Capacity                                 Test 3: Latency

 Both modes (A & B)                             Mode A Only                                      Both modes (A & B)
 Bandwidth 10 and 20 MHz                        Multiple Users Capacity: DL and UL load          Attach
 Throughput test for DL and UL                   distribution 4:0:0 of 50%, 100% in the           Idle to Active
                                                  neighboring cells
 FTP session over UDP and TCP                                                                     User Plane – ping 32/1000/1500 Bytes pre-
                                                 Average Cell Capacity: DL and UL for load         schedule
 Collected information: Lat/Long,                distribution 1:2:1 of 50%, 100% in the
  Throughput, SINR, RSRP, CQI, RI, PMI, MCS.      neighboring cells                                User Plane – ping 32/1000/1500 Bytes non
 Coverage plot                                                                                     pre-schedule




    Test 4: Interference Management                  Test 5: Mobility Management                      Test 6: Self Organized Network

 Mode A Only                                    Mode B Only                                      Mode A Only
 For UL/DL in two adjacent cells.               Accessibility Test: Attach, start FTP session    Intra freq ANR for the green field
 ICIC: With UE1 UE2 in the middle and the        with duration of 60s, detach, wait 12            Intra-Freq MLB mobility load balancing
  edge of two cells. Tests with and without       seconds and repeat. KPI to measure
  ICIC - measuring rate, RSRQ, SINR               success rate;
 (Uplink Interference Rejection: A site with    Retainability. Establish a session, and
  1:0:1 distribution, and another with 0:0:2      move between the cells several times for
  distribution. Evaluate & MRC IRC                investigating interfaces X2 and S1.
                                                  Measuring KPI maintenance session




                                                                                                                    Diretoria de Tecnologia e Plataformas
Phase 2: Border and Spectral Efficiency Test Results
SINR vs RSRP                                                                    Coverage Plot
                                                        30
                                                                                  4 to 5 bps/Hz
                                                                     Vendor A     3.25 to 4 bps/Hz
                                                        20                        2.5 to 3.25 bps/Hz
                                                                     Vendor B     1.75 to 2.5 bps/Hz
                                                        10           Vendor C     1 to 1.75 bps/Hz
                                                                                  0.5 to 1 bps/Hz
                                                                     Vendor D
                                                        0                         0.25 to 0.5 bps/Hz
                                                                     Vendor E     0 to 0.25 bps/Hz
-130,0 dBm     -110,0 dBm     -90,0 dBm    -70,0 dBm
                                                        -10
Spectral Efficiency vs SINR
         8,0 bps/Hz
                                                                     Shannon
         6,0 bps/Hz
                                                                     3GPP
         4,0 bps/Hz                                                  Vendor A
                                                                     Vendor B
         2,0 bps/Hz                                                  Vendor D
                                                                     Vendor E
          0,0 bps/Hz
 -10,0 dB -5,0 dB 0,0 dB    5,0 dB 10,0 dB 15,0 dB 20,0 dB 25,0 dB


Spectral Efficiency vs Distance
 15,0 bps/Hz                                                         Shannon
 12,0 bps/Hz                                                         3GPP
  9,0 bps/Hz                                                         Vendor A

  6,0 bps/Hz                                                         Vendor B
                                                                     Vendor C
  3,0 bps/Hz
                                                                     Vendor D
  0,0 bps/Hz
          0,25 km           0,50 km       0,75 km        1,00 km     Vendor E

Note: It was used Okumura-Hata for Shannon and 3GPP estimation
                                                                                                       Diretoria de Tecnologia e Plataformas
Final Words

 The main application (or killer app) is customer experience. And it
       is improved by using a service with superior quality.

 Boot-time is one of the most important attribute for Tablets compared
 to Notebooks. Today, the users are looking for anytime and anywhere
services with readiness and instantaneously. Even in simple web page
                navigation, quick access is imperative.

Wi-Fi popularity pushes a customer expectation for more throughput in
                      macro outdoor coverage.

 Social networks require greater capacity for data transfer in the uplink
         in order to post pictures, videos, update contacts etc.

According to GSA, there are today over 3,362 HSPA+ devices launched
by 272 suppliers. However, there are only 245 HSPA+ devices that can
        support 42 Mbps, and a few that can support 84 Mbps.



                                                            Diretoria de Tecnologia e Plataformas
¡Gracias!
 Thanks!
Obrigado!
Alberto Boaventura
 alberto@oi.net.br

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Lte Latam 2012 Alberto Boaventura V6

  • 1. LTE Latin America 2012 17-18 April 2012 Windsor Barra Hotel, Rio de Janeiro, Brasil OI’s CASE STUDY Alberto Boaventura Diretoria de Tecnologia e Plataformas +55 21 8875 4998
  • 2. Presentation Duration: 6 h and 30 min!!! Diretoria de Tecnologia e Plataformas
  • 3. What is LTE? 3GPP LTE (Long Term Evolution) is a standard for wireless high-speed data to mobile phones and data terminals. It is based on the GSM / EDGE and UMTS / HSPA, totally over IP, with the increased capacity and throughput using new modulation techniques, smart antenna systems and self-organizing network. IEEE 802.11ac (<6 GHz) IEEE 802.11ad (>60 GHz) ADVANCED ITU-R M.2034 Spectral Efficiency DL 15 bits/Hz UL 6.75 bits/Hz Latency User Plane < 10 ms Control Plane < 100 ms IEEE 802.16m Bandwidth ITU-R M.2034 40 MHz ITU-R M.1645 100 MHz Diretoria de Tecnologia e Plataformas
  • 4. What is LTE? OFDM MIMO Flexibility Flat Self Organized Evolution Architecture Network Diretoria de Tecnologia e Plataformas
  • 5. OFDM and Flat Architecture OFDM (Orthogonal Frequency Division Multiplex)  New air interface based on OFDM (UL SC-OFDMA & DL OFDMA)  OFDMA is quite similar with respect to FDMA frequencies the division for information transfer;  It uses the encoding process modulated in sub​​-bands with orthogonal carriers;  General air interface control plane simplification for latency reduction Subbands Ik/Qk Ik/Qk DMS Codif. IFFT DA t Duração do f Símbolo SAE (System Architecture Evolution)  Architecture, protocols, interfaces completely HLR/HSS IMS based on IP Sh S6a Rx Ro/Rf  There is no longer the controlling element of the access network (BSC / RNC), with mobility Sp OCS/ management functions performed by the ENB. MME PCRF OFCS  There is no longer the domain CS (Circuit S1-AP Sy X2 S11 Gx Gy/Gz Switched) services and legacy will be emulated by IMS (SMS and Voice) Internet  Seamless integration with non-3GPP access (eg S-GW P-GW S5 SGi Wi-Fi/WLAN) S5  General simplification in RMM state machine E-UTRAN Evolved Packet Core Diretoria de Tecnologia e Plataformas
  • 6. MIMO & SON MIMO (Multiple Input, Multiple Output) Multiplexing: Different signals Diversity: Same signal Beamforming BER Capacity SINR min(NTx , NRx) Antenna SNR Time Self Organized Newtork Self-Planning & Dynamic Re-planning Self-Configuration Self-Optimization Self-healing Plug and Play Self Adjustment Self Repair Automatic Configuration and setup Real time network adjustments Automatic and quick failure mitigation Automatic Inventory MIMO + SON = Coordenation Multi-Point (CoMP) Control for effective interference between cells Automatic Neighbor Relations (inter-cell inerference) Smallcells Heterogeneous  Essential tool to increase coverage and Network capacity  Two modes: X2  Coordinated scheduling & Beamforming  Joint processing/transmission Diretoria de Tecnologia e Plataformas
  • 7. Flexibility & Evolution Different supported bandwidth TDD & FDD Several supported bands 1,4 MHz DL UL TDD 3 MHz 5 MHz Tempo 10 MHz UL DL FDD 43 bands are defined in Rel. 10 15 MHz 20 MHz Freqüência Bands in World: Rational Band Usage: Band 3GPP (LTE) Status 700 MHz Bands 12, 13 & 14 USA, Colômbia & Peru 800 MHz Band 20 (DD) Europe DD, Germany, UK, Sueden 850 MHz Band 5 Korea Capacidade: >2 GHz 1800 MHz Band 2 Europe Cobertura ou Capacidade: > 1 GHz & <2 GHz AWS Band 4 USA 2100 MHz Band 1 Japan Cobertura: < 1 GHz 2300 MHz Band 40 Asia 2600 MHz Band 7 Europe Combined used for LTE Advanced 3GPP Releases and world introduction expectation 2010- 2010 2011 2012 2013 2013+ EDGE (Rel 7) E-EDGE (Rel 8) Release 11 DL:474 kbps DL:1,89 Mbps Release 10 UL:474 kbps UL: 947 kbps Release 9 Release 8 HSPA+ (Rel 7) HSPA+ (Rel 8) HSPA+ (Rel 9) HSPA+ (Rel 10) 2007 2008 2009 2010 2011 2012 DL: 28 Mbps DL: 42 Mbps DL: 84 Mbps DL: 168 Mbps UL: 11,5 Mbps UL: 11,5 Mbps UL: 23 Mbps UL: 23 Mbps BW: 5 MHz BW: 5 MHz BW: 10 MHz BW: 20/10 MHz IMT Advanced LTE (Rel 8) LTE (Rel 9) LTE (Rel 10) LTE (Rel 11) DL: 300 Mbps Network DL: 1.2 Gbps UL: 45 Mbps resources UL: 568 Mbps DL:> 1.2 Gbps BW: 20 MHz optmization BW: 40 MHz BW: 100 MHz Diretoria de Tecnologia e Plataformas
  • 8. What does LTE stand for? Mobile Broadband New Services TCO Reduction Brazilian Policies M2M LTE Trial Diretoria de Tecnologia e Plataformas
  • 9. Mobile Broadband The Internet and broadband continue to grow Broadband, people's welfare and progress 1.8 B & Internet Users Growth +13% year-on-year McKinsey estimates that “a 10% increase in broadband’s household penetration delivers a boost to a country’s GDP that ranges from 0.1% to 1.4%. 18.8T Minutes & Growth +21% year-on-year Booz estimates that broadband penetration of 10% higher a year is related to 500 MM 40,00% the 1.5% growth in labor productivity over the next five years. 384 29% Users 400 MM Growth 30,00% 23% When a person is connected, his life changes! 300 MM 238 14% 13% 20,00% 200 MM 130 100 MM 67 39 4% 10,00% 0 MM 0,00% China India Brasil Russia USA Fixed & Mobile Broadband (Millions) Fixed & Mobile Accesses (Millions) Mobile devices are Fixed telephone lines Substitution or Convergence? preferred in the younger 1000 Mobile cellular subscriptions 200 generations for the establishment of Fixed broadband subscriptions 80,0% 18 a 24 telecommunications Mobile broadband subscriptions 25 a 34 services. 60,0% 500 100 40,0% 35 a 44 45 a 54 In Latin America, it is 20,0% expected that the number 0,0% 55 a 64 of mobile broadband Local LD access to overcome the 0 0 65 ~ 2001 2000 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 Source: Femtoforum fixed in 2012. Growth in Mobile Broadband Source: ITU/ICT/MIS At the same time, it is 6 Mbps América Latina expected that the average America do Norte grows exponentially. In 5 Mbps Brazil, the growth is 82% Europa Ocidental 4 Mbps year-on-year by 2015 Brazil according to Cisco 3 Mbps 2 Mbps Video is now 40% of 1 Mbps Internet traffic, and will reach 61% by 2015 . 0 Mbps 6.3 exabytes per month 2009 2010 2011 2012 2013 2014 2015 across the mobile network Source: Cisco VNI 2010 by 2015, 4.2 exabytes will Source: Cisco VNI 2010 be due to video. Diretoria de Tecnologia e Plataformas
  • 10. New Services & M2M Mainframe-> Mini-> Desktop -> Smartphones/Tablets 5 trends for convergence: MBB + Social Internet Networking + Video + VoIP + usability in Móvel different devices Internet The significant growth forecast for the mobile Internet is justified by the integration of Desktop features (for personal use) in a single device, Mainframe Mini 10 B+ making it in some years, the primary device from the desktop. It is estimated that the demand for Tablet can 1 B+ surpass 100 million shipments by 2012 Smartphones and tablets, in particular, 100 MM+ catalyze the demand for the business market, allowing a marriage to the world of IT 1 MM+ 10 MM+ through Cloud Computing 1960 1970 1980 1990 2020+ Machine to Machine 1st Phase: Vertical Applications 2nd Phase: Regulation 3rd Phase: Internet of Things Applications: Applications: Applications:  POS  POS  POS  Fleet Management  Fleet Management  Fleet Management  Telecom + Transportation + Utilities Tracking Tracking  Tracking  + Health + 50 billion Government =Cameras Cities Smart  Monitoring Cameras  Mobile Payment  Mobile Payment  Mobile Payment  Monitoring connected  Energy Meters  Energy Meters devices by 2020  Toll Payment  Toll Payment  eCall  Remote Maintenance  Media Synchronization 2010 2015  2020 Health Monitoring Diretoria de Tecnologia e Plataformas
  • 11. TCO Reduction Dilemma of Broadband: Decoupling Revenue and Traffic Tráfego (Custo) Service Throughput Price € Cost/ Price/ Releative The relative price per & Volume Mbyte MByte Price Mbyte when SMS 160 Bytes €0.15/ €X € 1.000 400.000 compared to mensagem broadband is: Receita Voz 10 kbps 0.05 a € 0.5 €Y € 0.7 - € 7 300 - 3000  400,000 times o minuto greater for SMS and Domínio de Voz Domínio de Dados Dados (3 3 GBytes €20 / mês € Y/5 € 0.007 3  300-3000 times GBytes) greater for the voice Mobile TV 50 horas @ €5 / mês € Y/5 € 0.0023 1 service. Unicast (50 hrs) 100 kbps Source: Agilent (LTE World Summit 2010) CapEx Cost per Base Station: LTE vs 3G Base Station Density (eNB/km2 ) vs User Density (users/km2) $$$ 0,2000 3,0000 Low density High density $$$ 0,1500 2,0000 $$$ 3a. Portadora 0,1000 $$$ 2a. Portadora 0,0500 1,0000 $$$ NodeB 0,0000 0,0000 $$$ LTE (X) 0 20 40 60 0 500 1000 $$$ 1800 MHz (10) 2600 MHz (20) 1800 MHz (10) 2600 MHz (20) 3G (1) 3G (2) 3G (3) 3G (4) HSPA+ HSPA+ (DC) HSPA+ HSPA+ (DC) Source: Planejamento/2011 OpEx Source: GTEC/2011 Self Organized Network Self-Planning & Dynamic Re-planning Self-Configuration Based on "Heavy Reading: 4G/LTE Insider 2010" Self-Optimization The estimated savings in OpEx is 40% Self-healing Diretoria de Tecnologia e Plataformas
  • 12. PNBL Fixed Broadband: Penetration and Income regional distribuition Fixed Broadband: Penetration vs Price México Accesses/Home Per Capita Income 30% Brasil Home penetration North 13,5% R$ 449,00 Argentina 20% Venezuela Northeast 4,0% R$ 381,00 Colômbia Center-West 20,0% R$ 760,00 10% Peru Southest 23,8% R$ 748,00 Chile 0% South 21,3% R$ 759,00 USA PPP $0,00 $50,00 $100,00 Source: PNBL 2009 Source: IPEA 2009/ITU ICT/MIS 2010/Cisco VNI 2010 Broadband access definition: an access with traffic flow such as to allow consumers, individual or corporate, fixed or mobile, to enjoy, with quality, a bundle of services and applications based on voice, data and video. Private Fixed Access Equipment Public Fixed Access Equipment Mobile Broadband Access: (Urban and Rural): (Urban and Rural): Private Fixed Access Equipment Bringing broadband access to 100% 60 million mobile broadband (Urban and Rural): of the organs of government, access: terminals voice / data 30 million fixed broadband access including: administration, rural (with active data service) and data (urban and rural), adding to the public schools (70k), health facilities modems only. 2014 access in homes, companies and cooperatives. (177k), public libraries (>10k), law enforcement agencies (>14k). Offer Policy Demand Policy Quality Policy  New edition PGMU III and Review of Concession Agreements  Restraint of tying  Regulation of Quality of Services  General Plan Competition – PGMC  Computers for All Program  Regulation of Network Neutrality  New frequency bands (450, 2600, 3500 MHz)  Tax exemption by the Union and Federation  Regulating resale of services States  Regulation of infra/net sharing  FISTEL differentiated regime for small  Regulation of Significant Market Power – PMS providers of SCM  Additional regulation for the SCM  Revision of Regulations for Compensation Network  Deploying converged license  Definition of traffic exchange points – PTT  Reduce the cost of SCM license for small providers  Granting of new concessions to TV via cable Diretoria de Tecnologia e Plataformas
  • 13. Auction for 450 MHz & 2500 MHz Wide country license (15+15 years) Coverage Obligations 2600 MHz Mobile operators only (SMP) 450 MHz 2600 MHz 2012 Service for access to broadband Availability of towers and other Internet, free of charge in all infrastructure implementation P W V1 V2 X T U P W V1 V2 X public schools located in rural support, transport to the fulfillment area of ​service provision; of commitments covered by the 2570 winning bidder of Lot 1 (450 MHz 2620 2690 2500 separately) up to the shared costs 2013 30% of municipalities. (Dec/2013) Host Cities of das Confederations Per local area (15 +15 years) Cup (Apr/2013) Multimedia and mobile operators (SMP & SCM) Host and Additional Cities for FIFA World Cup 2014 (Dec/2013) 450 MHz 1 subband FDD 7+7 MHz 2017 2016 2015 2014 60% of municipalities (Dec/2014) Capitals, municipalities with more than 500k inhabitants and also the Federal District (Dec/2014) SLMP SLP e SARC 100% of municipalities Municipalities with more than SARC SLE SMP, STFC e SCM SMP, STFC e SCM (Dec/2015) 200k inhabitants (Dec/2015) SLP SLP Municipalities with more than 468 450 451 458 460 461 100k inhabitants (Dec/2016) Download throughput of 1 Mbps, Municipalities between 30 k and Auction Dynamics Type B (Lot 2 - 5) upload 256 kbps, and a minimum 100k inhabitants, there will be at monthly 500 MB Overage-Free. least one provider at 2.5 GHz; 450 e 2600 MHz Can be met using another radio Service offerings in technological Type A (Lot1) frequency. conditions equivalent to 3G. 450 MHz No As the schedule PGMU. 30% Municipalities below 30k, with (Dec/2017) superior technology than 3G. (Dec/2017) Lot 1 – Highest discount offered on Winner? 2018 60% Municipalities below 30k, with plan and wholesale for individual superior technology than 3G. accesses and Payphone. Yes (Dec/2018) Lot 2 till 76 – Highest price offered at 100% Municipalities below 30k, 2019 final bid presentation. Type C (Lot 6 - 9) with superior technology than 3G. 2600 MHz (Dec/2019) Diretoria de Tecnologia e Plataformas
  • 14. LTE Trial Overview: Goals Program for testing systemic compliance and performance to: Cabo Frio Teresópolis  Technology Internalization (ALU) (Ericsson)  Technology, architecture, end-to-end service evaluation  Anticipation and assessment of potential problems in future implementation  Evaluation of suppliers Araruama Itaguaí (Huawei) (NSN) Phase 0 Phase 1 Phase 2 Macaé (ZTE)  Standard compliance  Special feature tests  Outdoor performance tests tests  Systemic tests Trial Participants: Altogether there were nine companies involved with more than 100 professionals, to perform planning, installation, configuration and execution over 50 tests in access, core and IMS network. Scope of Trial: Access Network Transport Network Core Network IMS & PCRF Complete 2G/3G/4G Mobile Network Diretoria de Tecnologia e Plataformas
  • 15. Trial Topology Logical Topology GERAN PSTN/ UTRAN MSS MGW C PLMN A/IuCS Gb/IuPS SGs/SvC HLR/HSS Mc Sh eNB Sp Oi-Lab and SGSN Indoor MME PCRF IMS environment X2 Rx Gn/S11 Gx GGSN Gm S1-AP S1-AP S-GW Internet eNB Outdoor P-GW Gi/SGi environment S1-U S1-U X2 eNB Physical Topology Outdoor Indoor (Oi-Lab) eUTRAN GERAN MSS MGW UTRAN HLR/HSS PTN Switch LAN Metro Ethernet eNB JDSU’s Probe PTN GGSN eNB SGSN S-GW PCRF IMS MME P-GW IP Radio Diretoria de Tecnologia e Plataformas
  • 16. Phase 0: Tests in Detail Latecy Single User Throughput MIMO Scheme Testing Cell Capacity  Attach latency  Single user peak throughput,  Downlink TCP Throughput at  Downlink TCP/UDP cell peak  Idle to Active latency Downlink UDP Cell Edge with 2*2MIMO capacity with PDCCH symbol  User plane latency, ping  Single user peak throughput, Transmit Diversity Configuration adaptive of 6 UEs 32/1000/1500Bytes, pre- Downlink TCP  Downlink TCP Throughput at  Uplink TCP/UDP cell peak scheduled  Single user peak throughput, Cell Edge with 2*2MIMO capacity of 6 UEs  User plane latency, ping Uplink UDP Adaptive Configuration  Downlink TCP/UDP cell peak 32/1000/1500Bytes, non-pre-  Single user peak throughput, capacity, 1 GBR with 5 NGBR scheduled Uplink TCP with PDCCH adaptive  Uplink TCP/UDP cell peak capacity, 1 GBR with 5 NGBR Security Management IPV6  Authentication SON  IPV6 address allocation by  Subscriber data and signaling  Automatic Neighboring Relation PDNGW VoIP by IMS confidentiality  Static IPv6 Address subscribed in  Attach & Register  NAS encryption and integrity the HSS  Attach to EPC and register protection, EIA1 and EEA1  Dynamic IPv4IPv6 Address to IMS algorithm supported subscribed in the HSS  NAS encryption and integrity Policy Charging Control  De-Registration initiated by protection, EIA2 and EEA2  Bandwidth control according subscriber algorithm supported subscriber category  De-Registration initiated by  NAS encryption, NULL  Policy Charging Control based on LTE Mobility with Legacy HSS algorithm supported services Networks  Authorization  Bandwidth control according  UL IRAT  Registration Authentication P2P service by predefined • Redirection without - SIP Digest PCC rule measurements from LTE to  Session Authentication - SIP  Bandwidth control according UMTS Digest EPC Pooling FTP service by predefined • Reselection from LTE to UMTS  Voice call  S1-Flex based on the MME load PCC rule from LTE to UMTS  Voice call  S1-Flex redundancy under the  Bandwidth control according  GL IRAT  Failure call - callee busy outage of MME with busy time • LTE to GERAN cell reselection  Failure call - callee not failover scenario  Policy Charging Control based on for a PS attached UE in idle registered  PDN GW and Serving GW quota usage status mode  Failure call - callee no Selection based on the  Bandwidth control according • LTE to GSM redirection answer Integrated Strategy quota usage status on without measurement  PDN GW and Serving GW session level Selection based on the Priority  Bandwidth control according  PDN GW and Serving GW quota usage status on Selection based on the Weight service level  PDN GW and Serving GW Selection based on the Topologically Closest Diretoria de Tecnologia e Plataformas
  • 17. Phase 0: A Sample Results Latency Control Plane User Plane 600 ms 30,0 ms 400 ms 20,0 ms 200 ms 10,0 ms 0 ms 0,0 ms Vendor 1 Vendor 2 Vendor 3 Vendor 4 Vendor 5 Vendor 1 Vendor 2 Vendor 3 Vendor 4 Vendor 5 Attach latency Idle to Active latency Ping 32 Ping 1000 Ping 1432 Single User Throughput Downlink Uplink 105,0 Mbps 60,0 Mbps 100,0 Mbps 40,0 Mbps 95,0 Mbps 20,0 Mbps 90,0 Mbps 85,0 Mbps 0,0 Mbps Vendor 1 Vendor 2 Vendor 3 Vendor 4 Vendor 5 Vendor 1 Vendor 2 Vendor 3 Vendor 4 Vendor 5 UDP TCP UDP TCP Cell Capacity (Per user throughput @ 6 UEs) Downlink 10,0 Mbps Uplink 30,0 Mbps 20,0 Mbps 5,0 Mbps 10,0 Mbps 0,0 Mbps 0,0 Mbps Vendor 1 Vendor 2 Vendor 3 Vendor 4 Vendor 5 Vendor 1 Vendor 2 Vendor 3 Vendor 4 Vendor 5 UDP TCP UDP TCP Diretoria de Tecnologia e Plataformas
  • 18. Phase 2: Tests in Detail Two test modes (A) User Static (B) User Mobility SINR < 6 dB Drive Test, considering user 6 dB < SINR < 13 dB, mobility route around the base SINR > 13 dB station with a speed of 30-50 km/h. Test 1: Throughput Test 2: Cell Capacity Test 3: Latency  Both modes (A & B)  Mode A Only  Both modes (A & B)  Bandwidth 10 and 20 MHz  Multiple Users Capacity: DL and UL load  Attach  Throughput test for DL and UL distribution 4:0:0 of 50%, 100% in the  Idle to Active neighboring cells  FTP session over UDP and TCP  User Plane – ping 32/1000/1500 Bytes pre-  Average Cell Capacity: DL and UL for load schedule  Collected information: Lat/Long, distribution 1:2:1 of 50%, 100% in the Throughput, SINR, RSRP, CQI, RI, PMI, MCS. neighboring cells  User Plane – ping 32/1000/1500 Bytes non  Coverage plot pre-schedule Test 4: Interference Management Test 5: Mobility Management Test 6: Self Organized Network  Mode A Only  Mode B Only  Mode A Only  For UL/DL in two adjacent cells.  Accessibility Test: Attach, start FTP session  Intra freq ANR for the green field  ICIC: With UE1 UE2 in the middle and the with duration of 60s, detach, wait 12  Intra-Freq MLB mobility load balancing edge of two cells. Tests with and without seconds and repeat. KPI to measure ICIC - measuring rate, RSRQ, SINR success rate;  (Uplink Interference Rejection: A site with  Retainability. Establish a session, and 1:0:1 distribution, and another with 0:0:2 move between the cells several times for distribution. Evaluate & MRC IRC investigating interfaces X2 and S1. Measuring KPI maintenance session Diretoria de Tecnologia e Plataformas
  • 19. Phase 2: Border and Spectral Efficiency Test Results SINR vs RSRP Coverage Plot 30 4 to 5 bps/Hz Vendor A 3.25 to 4 bps/Hz 20 2.5 to 3.25 bps/Hz Vendor B 1.75 to 2.5 bps/Hz 10 Vendor C 1 to 1.75 bps/Hz 0.5 to 1 bps/Hz Vendor D 0 0.25 to 0.5 bps/Hz Vendor E 0 to 0.25 bps/Hz -130,0 dBm -110,0 dBm -90,0 dBm -70,0 dBm -10 Spectral Efficiency vs SINR 8,0 bps/Hz Shannon 6,0 bps/Hz 3GPP 4,0 bps/Hz Vendor A Vendor B 2,0 bps/Hz Vendor D Vendor E 0,0 bps/Hz -10,0 dB -5,0 dB 0,0 dB 5,0 dB 10,0 dB 15,0 dB 20,0 dB 25,0 dB Spectral Efficiency vs Distance 15,0 bps/Hz Shannon 12,0 bps/Hz 3GPP 9,0 bps/Hz Vendor A 6,0 bps/Hz Vendor B Vendor C 3,0 bps/Hz Vendor D 0,0 bps/Hz 0,25 km 0,50 km 0,75 km 1,00 km Vendor E Note: It was used Okumura-Hata for Shannon and 3GPP estimation Diretoria de Tecnologia e Plataformas
  • 20. Final Words The main application (or killer app) is customer experience. And it is improved by using a service with superior quality. Boot-time is one of the most important attribute for Tablets compared to Notebooks. Today, the users are looking for anytime and anywhere services with readiness and instantaneously. Even in simple web page navigation, quick access is imperative. Wi-Fi popularity pushes a customer expectation for more throughput in macro outdoor coverage. Social networks require greater capacity for data transfer in the uplink in order to post pictures, videos, update contacts etc. According to GSA, there are today over 3,362 HSPA+ devices launched by 272 suppliers. However, there are only 245 HSPA+ devices that can support 42 Mbps, and a few that can support 84 Mbps. Diretoria de Tecnologia e Plataformas