Optimization and IP overview Intelligent Solutions for Optimized Mobile IP Backhaul

Migrating existing networks to all-IP smooth network migration

RAN Transport Evolution Options Mixed mode transport in the Low-RAN access IP/MPLS transport from aggregation hub site High-capacity Ethernet links in High-RAN Native Mixed Mode Transport Low-RAN Native TDM + Native Ethernet Aggregation Hub IP/MPLS, PWE3 EV-DO CDMA R99 WiMAX RNC BSC All-IP/MPLS Transport High-RAN MPLS Core Native Ethernet xGSN IP/MPLS, PWE3

Mixed mode transport in the Low-RAN access

IP/MPLS transport from aggregation hub site

High-capacity Ethernet links in High-RAN

RAN Transport Evolution to IP Option of all-IP to edge E1 and ATM over IP/MPLS or Ethernet MPLS and IPV6 QoS mapping 1588V2 and Synch. Ethernet Single OAM to IEEE 802.1ag/h Ethernet aggregation efficiencies at the hub site All IP Transport Low-RAN Native Ethernet with TDM and ATM Pseudo-Wires Aggregation Hub IP/MPLS, PWE3 EV-DO CDMA R99 WiMAX When IP exceeds TDM… RNC BSC All-IP/MPLS Transport High-RAN MPLS Core Native Ethernet xGSN IP/MPLS, PWE3

Option of all-IP to edge

E1 and ATM over IP/MPLS or Ethernet

MPLS and IPV6 QoS mapping

1588V2 and Synch. Ethernet

Single OAM to IEEE 802.1ag/h

Ethernet aggregation efficiencies at the hub site

The LTE Evolved ‘Flat’ RAN All IP to edge eNodeB’s interconnected Mesh Network Topology Traffic Engineering Dynamic path/link protection When the world is flat…. Mixed Mode + Flat Network Transport All-IP/Ethernet Transport MPLS Core Native TDM Native Ethernet Aggregation PoP IP Packet Conversion eNB eNB eNB MME S-GW MME ….. Mobility Management Entity S-GW .... Signalling Gateway eNB …... Evolved NodeB X2 …..… Interface eNB to eNB S1 …..… Interface eNB to MME/S-GW X2 S1 X2 X2 S1 PWE3 PWE3 RNC BSC

All IP to edge

eNodeB’s interconnected

Mesh Network Topology

Traffic Engineering

Dynamic path/link protection

Adaptive Modulation / Optimisation Overview Intelligent Solutions for Optimized Mobile IP Backhaul Adaptive modulation is the dynamic adjustment of modulation rate to ensure maximum data bandwidth is provided most of the time, with a guaranteed 99.999% bandwidth provided all of the time Critical traffic maintained for 99.999% of the time Best efforts data traffic still available 99.5% of the year

Intelligent Solutions for Optimized Mobile IP Backhaul

Adaptive modulation is the dynamic adjustment of modulation rate to ensure maximum data bandwidth is provided most of the time, with a guaranteed 99.999% bandwidth provided all of the time

Critical traffic maintained for 99.999% of the time

Best efforts data traffic still available 99.5% of the year

Backhaul Capacity Requirements at the Cell Site Have to de-couple linear relationship of bandwidth to OPEX User experience is closely related to download times Download times are dependent on backhaul capacity Source: (Heavy Reading August 2008) Source: Telenor, June 2008 Increasing Traffic from HSDPA

Have to de-couple linear relationship of bandwidth to OPEX

User experience is closely related to download times

Download times are dependent on backhaul capacity

Converged RAN: HSX End to End View Native Mixed-mode transport with AM in the Low-RAN Access IP/MPLS Optimized PWE3 to the Metro and Core

Native Mixed-mode transport with AM in the Low-RAN Access

IP/MPLS Optimized PWE3 to the Metro and Core

Adaptive Modulation Adaptive Modulation is ETSI and ITU approved

Adaptive Modulation is Dynamic Adaptive modulation is the dynamic adjustment of modulation rate to ensure maximum data bandwidth is provided most of the time, with a guaranteed 99.999% bandwidth provided all of the time Critical traffic maintained for 99.999% of the time Best efforts data traffic still available 99.5% of the year 99.999% 99.95% 99.5%

Adaptive modulation is the dynamic adjustment of modulation rate to ensure maximum data bandwidth is provided most of the time, with a guaranteed 99.999% bandwidth provided all of the time

Critical traffic maintained for 99.999% of the time

Best efforts data traffic still available 99.5% of the year

GSM Network Upgrade Scenario - Base-line TDM only nodal microwave transport network BTS sync provided by TDM interface Some capacity may be spare for introduction of packet services All microwave links designed for 5x9s 3E1 TDM GSM per site 7MHz BW 14MHz BW 28MHz BW

TDM only nodal microwave transport network

BTS sync provided by TDM interface

Some capacity may be spare for introduction of packet services

All microwave links designed for 5x9s

3E1 TDM GSM per site

HSPA Upgrade – Adaptive Modulation eNode B introduced IDU/ODU hardware upgraded to support Ethernet interface & adaptive modulation Same MHz BW Same antennas Mixed mode nodal microwave transport network BTS/eNode B sync provided by TDM interface Additional <5x9s capacity available for packet services 7MHz BW 14MHz BW 28MHz BW

eNode B introduced

IDU/ODU hardware upgraded to support Ethernet interface & adaptive modulation

Same MHz BW

Same antennas

Mixed mode nodal microwave transport network

BTS/eNode B sync provided by TDM interface

Additional <5x9s capacity available for packet services

Adaptive Optimization Real-time optimization is added at aggregation sites to complement adaptive modulation Combination mixed mode & native Ethernet (PWE) nodal microwave transport network Statistical mux gain of variable packet PWE gained at aggregation sites BTS/eNode B sync provided by TDM interface Additional 5x9s capacity available for packet services 80-150% gain vs Adaptive Modulation only 7MHz BW 14MHz BW 28MHz BW

Real-time optimization is added at aggregation sites to complement adaptive modulation

Combination mixed mode & native Ethernet (PWE) nodal microwave transport network

Statistical mux gain of variable packet PWE gained at aggregation sites

BTS/eNode B sync provided by TDM interface

Additional 5x9s capacity available for packet services

80-150% gain vs Adaptive Modulation only

Adaptive Optimization for Maximum Benefits Adaptive Optimization maximizes data bandwidth efficiency 384Mbps increased to 980Mbps = 155% increase Adaptive Optimization maximizes spectrum MHz efficiency Maximum bits/Hertz Adaptive Optimization maximizes 5x9s availability HSPA data is brought into 5x9s availability - high priority Mobile or Wimax packet data with equivalent TDM availability Adaptive Optimization maximizes the convergence model Provides best-value solutions for a converged Ethernet RAN Maximum packet service capacity Maximum bandwidth efficiency Packet transport with equivalent availability to TDM Best possible user experience Short payback period Lowest risk, elegant upgrade/evolution path for existing Eclipse Customers Avoids introduction of external Cell Site Aggregation devices End-end OAM using ProVision or NetBoss

Adaptive Optimization maximizes data bandwidth efficiency

384Mbps increased to 980Mbps = 155% increase

Adaptive Optimization maximizes spectrum MHz efficiency

Maximum bits/Hertz

Adaptive Optimization maximizes 5x9s availability

HSPA data is brought into 5x9s availability - high priority Mobile or Wimax packet data with equivalent TDM availability

Adaptive Optimization maximizes the convergence model

Provides best-value solutions for a converged Ethernet RAN

Maximum packet service capacity

Maximum bandwidth efficiency

Packet transport with equivalent availability to TDM

Best possible user experience

Short payback period

Lowest risk, elegant upgrade/evolution path for existing Eclipse Customers

Avoids introduction of external Cell Site Aggregation devices

End-end OAM using ProVision or NetBoss

RAC 30a - 64QAM Adaptive Modulation Adds Adaptive Modulation to current RAC 30 design QPSK to 64QAM adaptive modulation QPSK to 128QAM fixed modulation Up to 3x Capacity increase (QPSK to 64QAM) Support for Native E1 and Native Ethernet traffic Compatibility with existing RAC 30 Errorless modulation state change within defined Bandwidth Modulation switching RSSI, BER, S/(N+I), MSE, Signal Degradation Slope

Adds Adaptive Modulation to current RAC 30 design

QPSK to 64QAM adaptive modulation

QPSK to 128QAM fixed modulation

Up to 3x Capacity increase (QPSK to 64QAM)

Support for Native E1 and Native Ethernet traffic

Compatibility with existing RAC 30

Errorless modulation state change within defined Bandwidth

Modulation switching RSSI, BER, S/(N+I), MSE, Signal Degradation Slope

RAC 6X - 256QAM Adaptive Modulation + XPIC QPSK to 256QAM Adaptive Modulation and coding with XPIC Up to 365Mbps capacity per card Enables 1.5Gbps link capacity from a single INUe terminal 100E1 native TDM cross connect capacity Adds Native GE port on RAC Traffic bypasses existing INU backplane DAC GE used to aggregate traffic Prioritization of TDM and mixed mode (backplane), vs Native GE (front port) traffic

QPSK to 256QAM Adaptive Modulation and coding with XPIC

Up to 365Mbps capacity per card

Enables 1.5Gbps link capacity from a single INUe terminal

100E1 native TDM cross connect capacity

Adds Native GE port on RAC

Traffic bypasses existing INU backplane

DAC GE used to aggregate traffic

Prioritization of TDM and mixed mode (backplane), vs Native GE (front port) traffic

DAC GE v3 Nodal aggregation of Carrier Ethernet circuits Supports IEEE 802.3ad and Layer 1 Link Aggregation Increases backplane ports from 2 to 6 aggregation ports Support for redundant switching fabric IP convergence feature set MPLS and IPV6 QoS Synchronous Ethernet Support Payload Header Compression OAM according to IEEE 802.1ag/h, and ITU-173 IEEE 802.1d RSTP and RWPR TM Carrier class network protection

Nodal aggregation of Carrier Ethernet circuits

Supports IEEE 802.3ad and Layer 1 Link Aggregation

Increases backplane ports from 2 to 6 aggregation ports

Support for redundant switching fabric

IP convergence feature set

MPLS and IPV6 QoS

Synchronous Ethernet Support

Payload Header Compression

OAM according to IEEE 802.1ag/h, and ITU-173

IEEE 802.1d RSTP and RWPR TM Carrier class network protection

Memotec Product Line 4 products: CX-U 1010, 1220, 1240 and 1280 with common features Performance T1/E1 access concentration & bandwidth compression platform Support digital fractional T1/E1, High-Speed serial & Ethernet network interfaces with choice of protocols (Frame-Relay, IP/MLPPP) & multiple network backup options. Ubiquity Uniquely combine RAN optimization & DCME voice compression features together with data traffic aggregation Support combination of any GSM 2G/2.5G (Abis, Ater, A/E, Gb/Gn), 3G (UMTS/W-CDMA) and PSTN voice trunk interfaces. Operate equally well with CDMA, TDMA and AMPS networks. Reliability Designed with utmost reliability in mind Temperature range from -10C to +65C (can support extended temperature range) Line Bypass & optional 50ms 1+1 hot standby redundancy without service interruption also available

4 products: CX-U 1010, 1220, 1240 and 1280 with common features

Performance

T1/E1 access concentration & bandwidth compression platform

Support digital fractional T1/E1, High-Speed serial & Ethernet network interfaces with choice of protocols (Frame-Relay, IP/MLPPP) & multiple network backup options.

Ubiquity

Uniquely combine RAN optimization & DCME voice compression features together with data traffic aggregation

Support combination of any GSM 2G/2.5G (Abis, Ater, A/E, Gb/Gn), 3G (UMTS/W-CDMA) and PSTN voice trunk interfaces.

Operate equally well with CDMA, TDMA and AMPS networks.

Reliability

Designed with utmost reliability in mind

Temperature range from -10C to +65C (can support extended temperature range)

Line Bypass & optional 50ms 1+1 hot standby redundancy without service interruption also available

Complete solution for IP network evolution