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Capacity dimension for planning and commissioning

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Security Level: 47pt Huawei UMTS Radio Network Planning HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential www.huawei.com
Content Radio Network Planning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 2 CE Dimensioning Iub Bandwidth Dimensioning
Huawei UMTS RNP Procedure Preparation Information Collection, such as, coverage related, capacity related… Digital map … Preliminary planning Dimensioning • Cell radius, No. of sites, CEs, … Nominal Planning • Coverage prediction, simulation… Final RF design Site Survey Deployment Huawei Confidential Final RF design Site survey Cell planning … Preparation Final RF Design Site Survey Detailed Planning Pre-optimization Dimensioning Nominal Planning Preliminary design Information collection
What will we discuss in the following slides How to determine the cell radius or the inter-site distance for UMTS network? How to dimension the multi-service capacity in UMTS? Huawei Confidential How to dimension the CE and Iub bandwidth? Page 4
Content Radio Network Planning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 5 CE Dimensioning Iub Bandwidth Dimensioning
Dimensioning Procedure Link Budget Cell Radius Capacity Dimensioning Capacity Requirement Coverage Requirement start Wireless Network Dimensioning Platform GENEX RND is a radio dimensioning tool designed for link budget, capacity dimensioning, CE Iub dimensioning and etc. Huawei Confidential Page 6 Capacity Dimensioning Meet Capacity Requirement? Capacity Requirement Adjust Carrier/NodeB No Yes CE/Iub Dimensioning Output result End
Content Radio Network Planning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 7 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
Uplink: Radio Link Budget AntennaGain UE Transmit Power UE Antenna Gain NodeB Antenna Gain SHO Gain Slow Fading Margin Fast Fading Margin Interference Margin Body Loss Cable Loss Huawei Confidential Page 8 CableLoss NodeB Sensitivity Penetration Loss Penetration Loss Maximum Allowable Path Loss UPLINK BUDGET NodeB Reception Sensitivity Antenna Gain SHO Gain Margin Loss Cell Radius
Downlink: Radio Link Budget Antenna Gain Node B Transmit Power UE Antenna Gain Node B Antenna Gain SHO Gain Slow Fading Margin Fast Fading Margin Interference Margin Body Loss Cable Loss Huawei Confidential Page 9 Cable Loss NodeB Sensitivity Penetration Loss Penetration Loss Maximum Allowed Path Loss DOWNLINK BUDGET UE Reception Sensitivity Antenna Gain SHO Gain Margin Loss Cell Radius
Interference Margin Noise Rise (dB) Interference Curve in Uplink WCDMA is a self-interfered system Higher cell load leads to higher noise rise Huawei Confidential Page 10 ( ) [ ] dB η 1 Log 10 Rise Noise UL 10 − ⋅ − = UL Load Noise Rise 50% 3dB 60% 4dB 75% 6dB UL Load Noise Rise (dB)
NodeB: 1.6dB for 2.1GHz; 1.8dB for 900MHz, 800MHz UE: 7dB Rx Sensitivity = Thermal Noise (dBm) + NF – Processing Gain + Eb/No Rx Sensitivity =-174dBm/Hz + 10*log(3840000) Case Study: Sensitivity in uplink – UMTS2100 Rx Sensitivity : PG = 10*log(3840/R) R: data rate Huawei Confidential Page 11 Channel model: TU3 CS64kbps Eb/No=2.72dB Rx Sensitivity : = -108+1.6-10*log(3840/64)+2.72 = -121.6dBm Channel Model: TU3 CS64kbps Eb/No=6.3dB Case Study: Sensitivity in downlink – UMTS2100 Rx Sensitivity : = -108+7.0-10*log(3840/64)+6.3 = -112.6 dBm
Case: UMTS 850 Link Budget Scenario Dense Urban Urban Suburb Rural Propagation Model Okumura- Hata(Huawei) Okumura- Hata(Huawei) Okumura- Hata(Huawei) Okumura- Hata(Huawei) NodeB Tx Feeder Loss (dB) Input 0.50 Input 0.50 Input 0.50 Input 0.50 UE/NodeB Antenna Height (m) 1.50 25.00 1.50 30.00 1.50 35.00 1.50 40.00 Frequency (MHz) 830 875 830 875 830 875 830 875 SHO Overhead 20.00% 20.00% 20.00% 20.00% Softer HO Overhead 20.00% 20.00% 20.00% 20.00% Area Coverage Probability 95.00% 95.00% 95.00% 90.00% Huawei Confidential Page 12 Penetration Loss 18.00 14.00 10.00 8.00 R99 services HSPA link Budget
Case: UMTS 2100 Link Budget Scenario Dense Urban Urban Suburb Rural Propagation Model Cost231-Hata(Huawei) Cost231- Hata(Huawei) Cost231- Hata(Huawei) Cost231- Hata(Huawei) NodeB Tx Feeder Loss (dB) Input 0.50 Input 0.50 Input 0.50 Input 0.50 UE/NodeB Antenna Height (m) 1.50 25.00 1.50 30.00 1.50 35.00 1.50 40.00 Frequency (MHz) 1950 2140 1950 2140 1950 2140 1950 2140 SHO Overhead 20.00% 20.00% 20.00% 20.00% Softer HO Overhead 20.00% 20.00% 20.00% 20.00% Area Coverage Probability 95.00% 95.00% 95.00% 90.00% Huawei Confidential Page 13 Penetration Loss 20 16 12 8 R99 service link budget HSPA link budget
Differences between UMTS 850 and 2100MHz Lower frequency Smaller Cable Loss 850MHz: 3.87dB/100m 1800MHz: 5.75dBm/100m 2100MHz: 6.29dBm/100m Lower frequency Less Path Loss 850MHz: Okumura-Hata 1 Cable Loss Propagation Model 2 cable 7/8” for reference Huawei Confidential Page 14 850MHz: Okumura-Hata 2100MHz: COST231-Hata Lower frequency Lower BPL Building Penetration Loss Lower frequency Lower Gain Antenna Gain Lower Frequency, Better Coverage! 3 4
Cell Radius for Reference Scenario Cell Radius of UMTS2100 AMR12.2k CS64k PS128k PS384k Dense Urban --- 0.3~0.5 km 0.3~0.5 km 0.2~0.4 km Urban --- 0.7~0.9 km 0.7~0.9 km --- Different service, different coverage range Higher bits rate, smaller coverage, more sites, higher investment Cell radius depends on the continuous coverage service, typical continuous coverage service: DU, U, SU = CS64kbps, RU = AMR12.2kbps DU=PS384kbps, U, SU, RU = CS64kbps Huawei Confidential Page 15 Suburban 2.0～3.0 km 1.2~2.0 km --- --- Rural 5.0～8.0 km 3.0~6.0 km --- ---
Content Radio Network Planning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 16 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
Factors Affecting Cell Capacity Users’ Distribution NodeB Power Factors Affecting Capacity Own Cell Load HSPA+ Huawei Confidential Page 17 UE Performance Radio Condition Bearers Capacity Neighboring Cell Load
Cell Capacity Dimensioning of Multi-Services Input parameters Traffic Model GoS requirement for CS services Max. Cell load … … Output the max. subs supported by one cell RND Tool Start Traffic Model Target Load GoS Assuming Subscribers load Iterative process Huawei Confidential Page 18 GoS Assuming Subscribers Calculate Load Consumption =Target Load Adjust subscribers Output subscribers per cell End No Yes Cell load is dynamically shared between multi-services CCH CS PS
Commercial Network Traffic Model for Reference Bearers UL Traffic DL Traffic AMR12.2k 0.0263 Erlang 0.0263 Erlang CS64k 0.0002 Erlang 0.0002 Erlang PS64k 19 kbit 438 kbit PS128k 2 kbit 584 kbit PS384k 0 kbit 584 kbit HSUPA 1056 kbit Bearers UL Traffic DL Traffic AMR12.2k 0.0133 Erlang 0.0133 Erlang CS64k 0.0000 Erlang 0.0000 Erlang PS64k 1895 kbit 59 kbit PS128k 211 kbit 78 kbit PS384k 0 kbit 78 kbit HSUPA 2629 kbit PCCW HongKong StarHub Singapore Typical voice Erl per subs @ BH: 0.01Erl~0.03 Erl Typical PS bits rate per subs @ BH: 1kbps~7kbps Huawei Confidential Page 19 HSUPA 1056 kbit HSDPA 4241 kbit HSUPA 2629 kbit HSDPA 10529 kbit Bearers UL Traffic DL Traffic AMR12.2k 0.0067 Erlang 0.0067 Erlang CS64k 0.0000 Erlang 0.0000 Erlang PS64k 4378 kbit 34 kbit PS128k 486 kbit 45 kbit PS384k 0 kbit 45 kbit HSUPA 2 kbit HSDPA 17389 kbit Bearers UL Traffic DL Traffic AMR12.2k 0.0285 Erlang 0.0285 Erlang CS64k 0.0002 Erlang 0.0002 Erlang PS64k 1162 kbit 711 kbit PS128k 0 kbit 711 kbit PS384k 0 kbit 948 kbit HSUPA 79.14 kbit HSDPA 12477 kbit Digitel Philippines ETISALAT UAE
Example of Capacity Dimensioning Scenario Subscribers per cell Dense Urban 472 Urban 364 Scenario Dense Urban Urban Suburb Rural TCH Cell Scenario Max. UL Load Max. DL Load of R99 Max. DL Load DL CCH Load HSDPA Max. Code Dense Urban 50.00% 75.00% 90.00% 20.00% 15 Urban 50.00% 75.00% 90.00% 20.00% 15 Suburb 50.00% 75.00% 90.00% 20.00% 15 Rural 50.00% 75.00% 90.00% 20.00% 15 Parameters and assumptions Link Budget result – cell radius Huawei Confidential Page 20 Urban 364 Suburb 462 Rural 453 Bearers UL Traffic DL Traffic AMR12.2k 0.0263 Erlang 0.0263 Erlang CS64k 0.0002 Erlang 0.0002 Erlang PS64k 19 kbit 438 kbit PS128k 2 kbit 584 kbit PS384k 0 kbit 584 kbit HSUPA 1056 kbit HSDPA 4241 kbit TCH Cell Radius (km) 0.98 1.68 4.67 12.10 Traffic Model
Cell Capacity of R99 – Field Test Test conditions Urban Scenario Subs evenly distribution in the cell Larger cell capacity while the neighbor cell interference is lower Different cell throughput for different bearers Huawei Confidential Page 21 Subs evenly distribution in the cell Neighbor cells are 75% DL load Test conditions Urban Scenario Subs evenly distribution in the cell No neighbor cells’ interference
Cell Capacity of HSDPA – Field Test Test conditions Urban Scenario Subs evenly distribution in the cell Higher cell throughput in good radio condition Different terminals have different performance Higher own cell load available, higher cell throughput HSDPA Cell Throughput: macro Cells HSDPA Power 70% 50% 20% Huawei Confidential Page 22 Subs evenly distribution in the cell Neighbor cells are 90% DL load Test conditions Indoor DAS Scenario Subs evenly distribution in the cell Cell Throughput @ CAT10 5.30 Mbps 3.60 Mbps 2.20 Mbps Cell Throughput @ CAT8 4.40 Mbps 3.20 Mbps 1.80 Mbps HSDPA Cell Throughput: CAT8 HSDPA Power 70% 50% 20% Cell Throughput @ Indoor DAS cell 9.00 Mbps 6.50 Mbps 3.50 Mbps
Cell Capacity of HSUPA – Field Test Higher cell throughput in good radio condition Different terminals have different performance Higher own cell load available, higher cell throughput Huawei Confidential Page 23 Urban Scenario Subs evenly distribution in the cell
Cell Capacity of HSPA – Simultaneous HSPA Users Huawei Confidential Page 24 RAN12.0 WBBPd1 WBBPd2 WBBPd3 HSDPA Users 128 Users 144 Users 144 Users HSUPA Users 96 Users 96 Users 96 Users
Content Radio Network Planning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 25 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
Huawei CE Definition and Highlights • No need extra CE resource for CCH --- reserved CE resource for CCH • No need extra CE resource for TX diversity • Definition of a CE: A Channel Element is the base band resource required in the Node-B to provide capacity for one voice channel, including control plane signaling, compressed mode, transmit diversity and softer handover. Huawei Confidential Page 26 • No need extra CE resource for TX diversity • No need extra CE resource for Compressed Mode --- reserved resources for Compressed Mode • No need extra CE resource for Softer HO • HSDPA does not occupy R99 CE resource --- separate chipset module for HSDPA traffic processing
CE Dimensioning ) , ( CE CE CE CE CE Max CE + + + = Input parameters: Traffic model Subs per site Soft handover overhead Retransmission Ratio PS Burt ratio Gos for CS services Huawei Confidential Page 27 ) , ( _ _ _ _ _ _ _ _ _ UL HSUPA UL HSDPA UL Average PS UL Average Erlang UL Peak Erlang Total UL CE CE CE CE CE Max CE + + + = ) , ( _ _ _ _ _ _ _ _ _ DL HSUPA DL HSDPA DL Average PS DL Average Erlang DL Peak Erlang Total DL CE CE CE CE CE Max CE + + + = Output : UL CE per site DL CE per site
Input Parameters for CE Dimensioning Traffic Model Service type Uplink Downlink AMR12.2 (Erl) 0.035 0.035 PS64 (kbit) 144 96 PS128 (kbit) 0 192 PS384 (kbit) 0 288 HSPA (kbit) 576 2304 Total 720 2880 Huawei Confidential Page 28 subscriber per site (S111) is 586 SHO overhead 20% Retransmission for PS 1% PS Burst Ratio 40% average 20kbps per HSUPA online user average 128kbps per HSUPA active user average 50kbps per HSDPA online user average 500kbps per HSDPA active user
Step1: CE for CS Services CE Factor for R99 CS Services Bearer Uplink Downlink AMR12.2k 1 1 CEFactor ections CSPeakConn CE S PeakCEforC * = Traffic of voice = 0.035*586*(1+20%) = 24.612 Erl ErlangB 33 Huawei Confidential Page 29 AMR12.2k 1 1 CS64k 3 2 i i i orCS AverageCEf CEFactor icPerNodeB CSErlTraff CE × + × = ∑ Overhead) SH 1 ( Erlang per subs * total subs per site CE 25 1 * %) 20 1 ( * 586 * 035 . 0 = + =
Case: UL R99 PS64 Step2: Average CE for R99 PS Services i i i Average PS CEFactor ber nectionNum AverageCon CE × = ∑ _ CE Factor for R99 Bearers Bearer Uplink Downlink PS64k 3 2 PS128k 5 4 sRate AverageBit te ghputperSi TotalThrou ber nectionNum AverageCon i = Huawei Confidential Case: UL R99 PS64 Page 30 PS128k 5 4 PS144k 5 4 PS256k 10 8 PS384k 10 8 CE 10 3 * 3600 * 0.2 * 64 40%) (1 * 1%) (1 * 20%) (1 * 586 * 144 64 _ = + + + = PS UL CE
Step3: DL HSDPA CE Dimensioning • DL: Only consider downlink SRB CE consumption, one HSDPA user consume 1 CE; if SRB over HSDPA, no CE consumption: 1 * _ ctions HSDPAConne CE DL HSDPA = sRate AverageBit perSite Throughput TotalHSDPA ctions HSDPAConne = HSDPA connections including: Huawei Confidential Case: Without SRB over HSPA Page 31 HSDPA connections including: HSDPA connections with data transmission HSDPA connections without data transmission CE CE DL HSDPA 6 . 10 1 * 3600 * 50 %) 40 1 ( * %) 1 1 ( * 586 * 2304 _ = + + =
Step4: UL HSDPA CE Dimensioning • UL: Only consider CE consumed by A-DCH of HSDPA in uplink: CEFactor ctions HSDPAConne ctions HSDPAConne CE an withdatatr atran withoutdat UL HSDPA * 1 * _ + = an withdatatr an withdatatr sRate AverageBit perSite Throughput TotalHSDPA ctions HSDPAConne = ctions HSDPAConne ctions HSDPAConne ctions HSDPAConne − = Huawei Confidential Page 32 an withdatatr atran withoutdat ctions HSDPAConne ctions HSDPAConne ctions HSDPAConne − = Case: Without SRB over HSPA CE CE UL HSDPA 3 . 15 1 * ) 3600 * 500 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 2304 3600 * 50 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 2304 ( 3 * 3600 * 500 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 2304 _ = + + + − + + + + + + + =
Step5: HSUPA CE Dimensioning – UL SRB • UL CE consumed by HSUPA including Signalling of HSUPA users (SRB) Traffic of HSUPA users 1 * _ ctions HSUPAConne CE UL SRB = sRate AverageBit perSite Throughput TotalHSUPA ctions HSUPAConne = SRB over DCH SRB over HSUPA No additional CE comsuption UL SRB Huawei Confidential Page 33 SRB over HSUPA No additional CE comsuption Case: SRB over DCH CE 8 1 * 3600 * 20 40%) (1 * 1%) (1 * 20%) (1 * 586 * 576 _ = + + + = ULSRB HSUPA CE
Step5: HSUPA CE Dimensioning – UL Traffic CEFactor ctions HSUPAConne ctions HSUPAConne CE an withdatatr atran withoutdat UL HSUPA * 1 * _ + = an withdatatr an withdatatr sRate AverageBit perSite Throughput TotalHSUPA ctions HSUPAConne = an withdatatr atran withoutdat ctions HSUPAConne ctions HSUPAConne ctions HSUPAConne − = UL Traffic CE SF CE factor RLC Bit-rate (Kbps) RAN12.0 10ms TTI 2ms TTI Huawei Confidential Page 34 CE CE ULTraffic HSUPA 12 1 * ) 3600 * 128 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 576 3600 * 20 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 576 ( 4 * 3600 * 128 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 576 _ = + + + + + + + + + + = － SF RAN12.0 10ms TTI 2ms TTI SF32 1 35.4 35.4 SF16 2 69 69 SF8 4 169.8 169.8 SF4 8 709.2 709.2 2*SF4 16 1448.4 1399 2*SF2 32 1995 2886 2*SF2 + 2*SF4 48 NA 5742 2*M2+2* M4 64 NA 11498
Step6: Total CE Per Site Total CE of Uplink = max(33,25+10+15.3+8+12)=71 CE ) , ( _ _ _ _ _ _ _ _ _ UL HSUPA UL HSDPA UL Average PS UL Average Erlang UL Peak Erlang Total UL CE CE CE CE CE Max CE + + + = ) , ( _ _ _ _ _ _ _ _ _ DL HSUPA DL HSDPA DL Average PS DL Average Erlang DL Peak Erlang Total DL CE CE CE CE CE Max CE + + + = Huawei Confidential Page 35 Total CE of Downlink = max(33,25+4.143+8.28+8.28+10.6)=57CE
Content Radio Network Planning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 36 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
Iub Bandwidths for All Bearers Iub Bandwidth Occupation for R99 Bearers Bearer ATM over E1 IP over E1 IP over Ethernet AMR12.2k 13.7 kbps 11.7 kbps 13.7 kbps CS64k 80.7 kbps 71.7 kbps 86.7 kbps PS64k 83.7 kbps 74.7 kbps 89.7 kbps PS128k 165.7 kbps 141.7 kbps 156.7 kbps PS384k 492.7 kbps 418.7 kbps 447.7 kbps Bearer ATM over E1 IP over E1 IP over Ethernet Huawei Confidential Bearer ATM over E1 IP over E1 IP over Ethernet HSDPA 33% 12% 20% HSUPA 30% 10% 15% Iub Bandwidth Occupation for CCH Bearer ATM over E1 IP over E1 IP over Ethernet RACH 56 kbps 46 kbps 51 kbps PCH 29 kbps 25 kbps 27 kbps FACH 41 kbps 35 kbps 39 kbps Page 37
Iub Dimensioning Procedure Subscribers Subs per NodeB PS Iub Bandwidth Service Iub Bandwidth HSPA Iub Bandwidth Iub Bandwidth Input Iub Dimensioning Output Erlang Services Iub Average Bandwidth CS Traffic Voice Traffic VP Traffic GoS Requirements PS Traffic Huawei Confidential Page 38 HSPA Traffic Common Channel Bandwidth OM Bandwidth HSPA End-user Experience Rate Bandwidth max Total Iub bandwidth = max(IubHSDPAPeak , Iubcs+Iubps+IubHSDPA)+IubCCH+IubOM PS Traffic PS64 Throughput PS128 Throughput PS384 Throughput PS Retransmission
Input Parameters for Iub Bandwidth Dimensioning Traffic Model Service type Uplink Downlink AMR12.2 (Erl) 0.035 0.035 PS64 (kbit) 144 0 PS128 (kbit) 0 0 PS384 (kbit) 0 576 HSPA (kbit) 576 2304 Total 720 2880 Huawei Confidential Page 39 Subscriber per site (S111) is 586 SHO overhead 20% Retransmission for PS 1% PS Burst Ratio 40%
Step1: Iub Bandwidth for R99 Services ∑ * ) 1 ( * i i SHO i CS IubFactor OH deB afficPerNo CSErlangTr Iub + = Iub Bandwidth Occupation for R99 Bearers Bearer IP over Ethernet AMR12.2k 13.7 kbps CS64k 86.7 kbps PS64k 89.7 kbps PS128k 156.7 kbps ∑ * i i i PS IubFactor onNumber PSConnecti Iub = Huawei Confidential Page 40 PS384k 447.7 kbps Case: DL CSPS Iub bandwidth kbps IubCS 18 . 337 13.7 * 20%) (1 * 586 * 0.035 = + = kbps IubPS 48 . 185 447.7 * 3600 * 384 40%) (1 * 1%) (1 * 20%) (1 * 586 * 576 = + + + =
Step2: Iub Bandwidth for HSDPA 3600 / ) 1 ( * ) 1 ( * ) 1 ( * Re d IubOverhea R R PerNodeB Throughput Iub trans Burst HSPA + + + = Bearer IP over Ethernet HSDPA 20% HSUPA 15% Case: Iub bandwidth for HSDPA kbps IubHSDPA 46 . 795 20%)/3600 (1 * 40%) (1 * 1%) (1 * 586 * 2880 = + + + = Huawei Confidential Page 41 kbps IubHSDPA 46 . 795 20%)/3600 (1 * 40%) (1 * 1%) (1 * 586 * 2880 = + + + = Step3: Total DL Iub Bandwidth Total Iub bandwidth = Iubcs+Iubps+IubHSDPA+IubCCH+IubOM = 337.18 + 185.48 + 795.46 + (27 + 39) +64 = 1410kbps Iub Bandwidth Occupation for CCH Bearer IP over Ethernet RACH 51 kbps PCH 27 kbps FACH 39 kbps
Iub Bandwidth for HSDPA Peak Bits Rate Iub Bandwidth for the Peak Rate of a HSDPA User Terminal Type with Peak Data Rate (L1) ATM over E1 IP over E1 IP over Ethernet CAT6 (3.6Mbps) 4.50 Mbps 3.80 Mbps 4.00 Mbps CAT8 (7.2Mbps) 8.90 Mbps 7.50 Mbps 8.00 Mbps CAT10 (14.4Mbps) 17.80 Mbps 15.00 Mbps 16.00 Mbps Huawei Confidential Page 42 Total Iub bandwidth = Max(IubHSDPAPeak , Iubcs+Iubps+IubHSDPA)+IubCCH+IubOM = Max( 16Mbps, 337.18 + 185.48 + 795.46) + (27 + 39) +64 = 16.13Mbps Consider HSDPA peak bits rate requirement, the total Iub bandwidth should be
Thank you www.huawei.com

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Capacity dimension for planning and commissioning

  • 1.
    Security Level: 47pt Huawei UMTSRadio Network Planning HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential www.huawei.com
  • 2.
    Content Radio NetworkPlanning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 2 CE Dimensioning Iub Bandwidth Dimensioning
  • 3.
    Huawei UMTS RNPProcedure Preparation Information Collection, such as, coverage related, capacity related… Digital map … Preliminary planning Dimensioning • Cell radius, No. of sites, CEs, … Nominal Planning • Coverage prediction, simulation… Final RF design Site Survey Deployment Huawei Confidential Final RF design Site survey Cell planning … Preparation Final RF Design Site Survey Detailed Planning Pre-optimization Dimensioning Nominal Planning Preliminary design Information collection
  • 4.
    What will wediscuss in the following slides How to determine the cell radius or the inter-site distance for UMTS network? How to dimension the multi-service capacity in UMTS? Huawei Confidential How to dimension the CE and Iub bandwidth? Page 4
  • 5.
    Content Radio NetworkPlanning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 5 CE Dimensioning Iub Bandwidth Dimensioning
  • 6.
    Dimensioning Procedure Link Budget CellRadius Capacity Dimensioning Capacity Requirement Coverage Requirement start Wireless Network Dimensioning Platform GENEX RND is a radio dimensioning tool designed for link budget, capacity dimensioning, CE Iub dimensioning and etc. Huawei Confidential Page 6 Capacity Dimensioning Meet Capacity Requirement? Capacity Requirement Adjust Carrier/NodeB No Yes CE/Iub Dimensioning Output result End
  • 7.
    Content Radio NetworkPlanning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 7 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
  • 8.
    Uplink: Radio LinkBudget AntennaGain UE Transmit Power UE Antenna Gain NodeB Antenna Gain SHO Gain Slow Fading Margin Fast Fading Margin Interference Margin Body Loss Cable Loss Huawei Confidential Page 8 CableLoss NodeB Sensitivity Penetration Loss Penetration Loss Maximum Allowable Path Loss UPLINK BUDGET NodeB Reception Sensitivity Antenna Gain SHO Gain Margin Loss Cell Radius
  • 9.
    Downlink: Radio LinkBudget Antenna Gain Node B Transmit Power UE Antenna Gain Node B Antenna Gain SHO Gain Slow Fading Margin Fast Fading Margin Interference Margin Body Loss Cable Loss Huawei Confidential Page 9 Cable Loss NodeB Sensitivity Penetration Loss Penetration Loss Maximum Allowed Path Loss DOWNLINK BUDGET UE Reception Sensitivity Antenna Gain SHO Gain Margin Loss Cell Radius
  • 10.
    Interference Margin Noise Rise (dB) Interference Curvein Uplink WCDMA is a self-interfered system Higher cell load leads to higher noise rise Huawei Confidential Page 10 ( ) [ ] dB η 1 Log 10 Rise Noise UL 10 − ⋅ − = UL Load Noise Rise 50% 3dB 60% 4dB 75% 6dB UL Load Noise Rise (dB)
  • 11.
    NodeB: 1.6dB for2.1GHz; 1.8dB for 900MHz, 800MHz UE: 7dB Rx Sensitivity = Thermal Noise (dBm) + NF – Processing Gain + Eb/No Rx Sensitivity =-174dBm/Hz + 10*log(3840000) Case Study: Sensitivity in uplink – UMTS2100 Rx Sensitivity : PG = 10*log(3840/R) R: data rate Huawei Confidential Page 11 Channel model: TU3 CS64kbps Eb/No=2.72dB Rx Sensitivity : = -108+1.6-10*log(3840/64)+2.72 = -121.6dBm Channel Model: TU3 CS64kbps Eb/No=6.3dB Case Study: Sensitivity in downlink – UMTS2100 Rx Sensitivity : = -108+7.0-10*log(3840/64)+6.3 = -112.6 dBm
  • 12.
    Case: UMTS 850Link Budget Scenario Dense Urban Urban Suburb Rural Propagation Model Okumura- Hata(Huawei) Okumura- Hata(Huawei) Okumura- Hata(Huawei) Okumura- Hata(Huawei) NodeB Tx Feeder Loss (dB) Input 0.50 Input 0.50 Input 0.50 Input 0.50 UE/NodeB Antenna Height (m) 1.50 25.00 1.50 30.00 1.50 35.00 1.50 40.00 Frequency (MHz) 830 875 830 875 830 875 830 875 SHO Overhead 20.00% 20.00% 20.00% 20.00% Softer HO Overhead 20.00% 20.00% 20.00% 20.00% Area Coverage Probability 95.00% 95.00% 95.00% 90.00% Huawei Confidential Page 12 Penetration Loss 18.00 14.00 10.00 8.00 R99 services HSPA link Budget
  • 13.
    Case: UMTS 2100Link Budget Scenario Dense Urban Urban Suburb Rural Propagation Model Cost231-Hata(Huawei) Cost231- Hata(Huawei) Cost231- Hata(Huawei) Cost231- Hata(Huawei) NodeB Tx Feeder Loss (dB) Input 0.50 Input 0.50 Input 0.50 Input 0.50 UE/NodeB Antenna Height (m) 1.50 25.00 1.50 30.00 1.50 35.00 1.50 40.00 Frequency (MHz) 1950 2140 1950 2140 1950 2140 1950 2140 SHO Overhead 20.00% 20.00% 20.00% 20.00% Softer HO Overhead 20.00% 20.00% 20.00% 20.00% Area Coverage Probability 95.00% 95.00% 95.00% 90.00% Huawei Confidential Page 13 Penetration Loss 20 16 12 8 R99 service link budget HSPA link budget
  • 14.
    Differences between UMTS850 and 2100MHz Lower frequency Smaller Cable Loss 850MHz: 3.87dB/100m 1800MHz: 5.75dBm/100m 2100MHz: 6.29dBm/100m Lower frequency Less Path Loss 850MHz: Okumura-Hata 1 Cable Loss Propagation Model 2 cable 7/8” for reference Huawei Confidential Page 14 850MHz: Okumura-Hata 2100MHz: COST231-Hata Lower frequency Lower BPL Building Penetration Loss Lower frequency Lower Gain Antenna Gain Lower Frequency, Better Coverage! 3 4
  • 15.
    Cell Radius forReference Scenario Cell Radius of UMTS2100 AMR12.2k CS64k PS128k PS384k Dense Urban --- 0.3~0.5 km 0.3~0.5 km 0.2~0.4 km Urban --- 0.7~0.9 km 0.7~0.9 km --- Different service, different coverage range Higher bits rate, smaller coverage, more sites, higher investment Cell radius depends on the continuous coverage service, typical continuous coverage service: DU, U, SU = CS64kbps, RU = AMR12.2kbps DU=PS384kbps, U, SU, RU = CS64kbps Huawei Confidential Page 15 Suburban 2.0～3.0 km 1.2~2.0 km --- --- Rural 5.0～8.0 km 3.0~6.0 km --- ---
  • 16.
    Content Radio NetworkPlanning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 16 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
  • 17.
    Factors Affecting CellCapacity Users’ Distribution NodeB Power Factors Affecting Capacity Own Cell Load HSPA+ Huawei Confidential Page 17 UE Performance Radio Condition Bearers Capacity Neighboring Cell Load
  • 18.
    Cell Capacity Dimensioningof Multi-Services Input parameters Traffic Model GoS requirement for CS services Max. Cell load … … Output the max. subs supported by one cell RND Tool Start Traffic Model Target Load GoS Assuming Subscribers load Iterative process Huawei Confidential Page 18 GoS Assuming Subscribers Calculate Load Consumption =Target Load Adjust subscribers Output subscribers per cell End No Yes Cell load is dynamically shared between multi-services CCH CS PS
  • 19.
    Commercial Network TrafficModel for Reference Bearers UL Traffic DL Traffic AMR12.2k 0.0263 Erlang 0.0263 Erlang CS64k 0.0002 Erlang 0.0002 Erlang PS64k 19 kbit 438 kbit PS128k 2 kbit 584 kbit PS384k 0 kbit 584 kbit HSUPA 1056 kbit Bearers UL Traffic DL Traffic AMR12.2k 0.0133 Erlang 0.0133 Erlang CS64k 0.0000 Erlang 0.0000 Erlang PS64k 1895 kbit 59 kbit PS128k 211 kbit 78 kbit PS384k 0 kbit 78 kbit HSUPA 2629 kbit PCCW HongKong StarHub Singapore Typical voice Erl per subs @ BH: 0.01Erl~0.03 Erl Typical PS bits rate per subs @ BH: 1kbps~7kbps Huawei Confidential Page 19 HSUPA 1056 kbit HSDPA 4241 kbit HSUPA 2629 kbit HSDPA 10529 kbit Bearers UL Traffic DL Traffic AMR12.2k 0.0067 Erlang 0.0067 Erlang CS64k 0.0000 Erlang 0.0000 Erlang PS64k 4378 kbit 34 kbit PS128k 486 kbit 45 kbit PS384k 0 kbit 45 kbit HSUPA 2 kbit HSDPA 17389 kbit Bearers UL Traffic DL Traffic AMR12.2k 0.0285 Erlang 0.0285 Erlang CS64k 0.0002 Erlang 0.0002 Erlang PS64k 1162 kbit 711 kbit PS128k 0 kbit 711 kbit PS384k 0 kbit 948 kbit HSUPA 79.14 kbit HSDPA 12477 kbit Digitel Philippines ETISALAT UAE
  • 20.
    Example of CapacityDimensioning Scenario Subscribers per cell Dense Urban 472 Urban 364 Scenario Dense Urban Urban Suburb Rural TCH Cell Scenario Max. UL Load Max. DL Load of R99 Max. DL Load DL CCH Load HSDPA Max. Code Dense Urban 50.00% 75.00% 90.00% 20.00% 15 Urban 50.00% 75.00% 90.00% 20.00% 15 Suburb 50.00% 75.00% 90.00% 20.00% 15 Rural 50.00% 75.00% 90.00% 20.00% 15 Parameters and assumptions Link Budget result – cell radius Huawei Confidential Page 20 Urban 364 Suburb 462 Rural 453 Bearers UL Traffic DL Traffic AMR12.2k 0.0263 Erlang 0.0263 Erlang CS64k 0.0002 Erlang 0.0002 Erlang PS64k 19 kbit 438 kbit PS128k 2 kbit 584 kbit PS384k 0 kbit 584 kbit HSUPA 1056 kbit HSDPA 4241 kbit TCH Cell Radius (km) 0.98 1.68 4.67 12.10 Traffic Model
  • 21.
    Cell Capacity ofR99 – Field Test Test conditions Urban Scenario Subs evenly distribution in the cell Larger cell capacity while the neighbor cell interference is lower Different cell throughput for different bearers Huawei Confidential Page 21 Subs evenly distribution in the cell Neighbor cells are 75% DL load Test conditions Urban Scenario Subs evenly distribution in the cell No neighbor cells’ interference
  • 22.
    Cell Capacity ofHSDPA – Field Test Test conditions Urban Scenario Subs evenly distribution in the cell Higher cell throughput in good radio condition Different terminals have different performance Higher own cell load available, higher cell throughput HSDPA Cell Throughput: macro Cells HSDPA Power 70% 50% 20% Huawei Confidential Page 22 Subs evenly distribution in the cell Neighbor cells are 90% DL load Test conditions Indoor DAS Scenario Subs evenly distribution in the cell Cell Throughput @ CAT10 5.30 Mbps 3.60 Mbps 2.20 Mbps Cell Throughput @ CAT8 4.40 Mbps 3.20 Mbps 1.80 Mbps HSDPA Cell Throughput: CAT8 HSDPA Power 70% 50% 20% Cell Throughput @ Indoor DAS cell 9.00 Mbps 6.50 Mbps 3.50 Mbps
  • 23.
    Cell Capacity ofHSUPA – Field Test Higher cell throughput in good radio condition Different terminals have different performance Higher own cell load available, higher cell throughput Huawei Confidential Page 23 Urban Scenario Subs evenly distribution in the cell
  • 24.
    Cell Capacity ofHSPA – Simultaneous HSPA Users Huawei Confidential Page 24 RAN12.0 WBBPd1 WBBPd2 WBBPd3 HSDPA Users 128 Users 144 Users 144 Users HSUPA Users 96 Users 96 Users 96 Users
  • 25.
    Content Radio NetworkPlanning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 25 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
  • 26.
    Huawei CE Definitionand Highlights • No need extra CE resource for CCH --- reserved CE resource for CCH • No need extra CE resource for TX diversity • Definition of a CE: A Channel Element is the base band resource required in the Node-B to provide capacity for one voice channel, including control plane signaling, compressed mode, transmit diversity and softer handover. Huawei Confidential Page 26 • No need extra CE resource for TX diversity • No need extra CE resource for Compressed Mode --- reserved resources for Compressed Mode • No need extra CE resource for Softer HO • HSDPA does not occupy R99 CE resource --- separate chipset module for HSDPA traffic processing
  • 27.
    CE Dimensioning ) , ( CE CE CE CE CE Max CE+ + + = Input parameters: Traffic model Subs per site Soft handover overhead Retransmission Ratio PS Burt ratio Gos for CS services Huawei Confidential Page 27 ) , ( _ _ _ _ _ _ _ _ _ UL HSUPA UL HSDPA UL Average PS UL Average Erlang UL Peak Erlang Total UL CE CE CE CE CE Max CE + + + = ) , ( _ _ _ _ _ _ _ _ _ DL HSUPA DL HSDPA DL Average PS DL Average Erlang DL Peak Erlang Total DL CE CE CE CE CE Max CE + + + = Output : UL CE per site DL CE per site
  • 28.
    Input Parameters forCE Dimensioning Traffic Model Service type Uplink Downlink AMR12.2 (Erl) 0.035 0.035 PS64 (kbit) 144 96 PS128 (kbit) 0 192 PS384 (kbit) 0 288 HSPA (kbit) 576 2304 Total 720 2880 Huawei Confidential Page 28 subscriber per site (S111) is 586 SHO overhead 20% Retransmission for PS 1% PS Burst Ratio 40% average 20kbps per HSUPA online user average 128kbps per HSUPA active user average 50kbps per HSDPA online user average 500kbps per HSDPA active user
  • 29.
    Step1: CE forCS Services CE Factor for R99 CS Services Bearer Uplink Downlink AMR12.2k 1 1 CEFactor ections CSPeakConn CE S PeakCEforC * = Traffic of voice = 0.035*586*(1+20%) = 24.612 Erl ErlangB 33 Huawei Confidential Page 29 AMR12.2k 1 1 CS64k 3 2 i i i orCS AverageCEf CEFactor icPerNodeB CSErlTraff CE × + × = ∑ Overhead) SH 1 ( Erlang per subs * total subs per site CE 25 1 * %) 20 1 ( * 586 * 035 . 0 = + =
  • 30.
    Case: UL R99PS64 Step2: Average CE for R99 PS Services i i i Average PS CEFactor ber nectionNum AverageCon CE × = ∑ _ CE Factor for R99 Bearers Bearer Uplink Downlink PS64k 3 2 PS128k 5 4 sRate AverageBit te ghputperSi TotalThrou ber nectionNum AverageCon i = Huawei Confidential Case: UL R99 PS64 Page 30 PS128k 5 4 PS144k 5 4 PS256k 10 8 PS384k 10 8 CE 10 3 * 3600 * 0.2 * 64 40%) (1 * 1%) (1 * 20%) (1 * 586 * 144 64 _ = + + + = PS UL CE
  • 31.
    Step3: DL HSDPACE Dimensioning • DL: Only consider downlink SRB CE consumption, one HSDPA user consume 1 CE; if SRB over HSDPA, no CE consumption: 1 * _ ctions HSDPAConne CE DL HSDPA = sRate AverageBit perSite Throughput TotalHSDPA ctions HSDPAConne = HSDPA connections including: Huawei Confidential Case: Without SRB over HSPA Page 31 HSDPA connections including: HSDPA connections with data transmission HSDPA connections without data transmission CE CE DL HSDPA 6 . 10 1 * 3600 * 50 %) 40 1 ( * %) 1 1 ( * 586 * 2304 _ = + + =
  • 32.
    Step4: UL HSDPACE Dimensioning • UL: Only consider CE consumed by A-DCH of HSDPA in uplink: CEFactor ctions HSDPAConne ctions HSDPAConne CE an withdatatr atran withoutdat UL HSDPA * 1 * _ + = an withdatatr an withdatatr sRate AverageBit perSite Throughput TotalHSDPA ctions HSDPAConne = ctions HSDPAConne ctions HSDPAConne ctions HSDPAConne − = Huawei Confidential Page 32 an withdatatr atran withoutdat ctions HSDPAConne ctions HSDPAConne ctions HSDPAConne − = Case: Without SRB over HSPA CE CE UL HSDPA 3 . 15 1 * ) 3600 * 500 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 2304 3600 * 50 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 2304 ( 3 * 3600 * 500 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 2304 _ = + + + − + + + + + + + =
  • 33.
    Step5: HSUPA CEDimensioning – UL SRB • UL CE consumed by HSUPA including Signalling of HSUPA users (SRB) Traffic of HSUPA users 1 * _ ctions HSUPAConne CE UL SRB = sRate AverageBit perSite Throughput TotalHSUPA ctions HSUPAConne = SRB over DCH SRB over HSUPA No additional CE comsuption UL SRB Huawei Confidential Page 33 SRB over HSUPA No additional CE comsuption Case: SRB over DCH CE 8 1 * 3600 * 20 40%) (1 * 1%) (1 * 20%) (1 * 586 * 576 _ = + + + = ULSRB HSUPA CE
  • 34.
    Step5: HSUPA CEDimensioning – UL Traffic CEFactor ctions HSUPAConne ctions HSUPAConne CE an withdatatr atran withoutdat UL HSUPA * 1 * _ + = an withdatatr an withdatatr sRate AverageBit perSite Throughput TotalHSUPA ctions HSUPAConne = an withdatatr atran withoutdat ctions HSUPAConne ctions HSUPAConne ctions HSUPAConne − = UL Traffic CE SF CE factor RLC Bit-rate (Kbps) RAN12.0 10ms TTI 2ms TTI Huawei Confidential Page 34 CE CE ULTraffic HSUPA 12 1 * ) 3600 * 128 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 576 3600 * 20 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 576 ( 4 * 3600 * 128 %) 20 1 ( * %) 40 1 ( * %) 1 1 ( * 586 * 576 _ = + + + + + + + + + + = － SF RAN12.0 10ms TTI 2ms TTI SF32 1 35.4 35.4 SF16 2 69 69 SF8 4 169.8 169.8 SF4 8 709.2 709.2 2*SF4 16 1448.4 1399 2*SF2 32 1995 2886 2*SF2 + 2*SF4 48 NA 5742 2*M2+2* M4 64 NA 11498
  • 35.
    Step6: Total CEPer Site Total CE of Uplink = max(33,25+10+15.3+8+12)=71 CE ) , ( _ _ _ _ _ _ _ _ _ UL HSUPA UL HSDPA UL Average PS UL Average Erlang UL Peak Erlang Total UL CE CE CE CE CE Max CE + + + = ) , ( _ _ _ _ _ _ _ _ _ DL HSUPA DL HSDPA DL Average PS DL Average Erlang DL Peak Erlang Total DL CE CE CE CE CE Max CE + + + = Huawei Confidential Page 35 Total CE of Downlink = max(33,25+4.143+8.28+8.28+10.6)=57CE
  • 36.
    Content Radio NetworkPlanning Overview Radio Network Dimensioning Link Budget Capacity Dimensioning Huawei Confidential Page 36 Capacity Dimensioning CE Dimensioning Iub Bandwidth Dimensioning
  • 37.
    Iub Bandwidths forAll Bearers Iub Bandwidth Occupation for R99 Bearers Bearer ATM over E1 IP over E1 IP over Ethernet AMR12.2k 13.7 kbps 11.7 kbps 13.7 kbps CS64k 80.7 kbps 71.7 kbps 86.7 kbps PS64k 83.7 kbps 74.7 kbps 89.7 kbps PS128k 165.7 kbps 141.7 kbps 156.7 kbps PS384k 492.7 kbps 418.7 kbps 447.7 kbps Bearer ATM over E1 IP over E1 IP over Ethernet Huawei Confidential Bearer ATM over E1 IP over E1 IP over Ethernet HSDPA 33% 12% 20% HSUPA 30% 10% 15% Iub Bandwidth Occupation for CCH Bearer ATM over E1 IP over E1 IP over Ethernet RACH 56 kbps 46 kbps 51 kbps PCH 29 kbps 25 kbps 27 kbps FACH 41 kbps 35 kbps 39 kbps Page 37
  • 38.
    Iub Dimensioning Procedure Subscribers Subsper NodeB PS Iub Bandwidth Service Iub Bandwidth HSPA Iub Bandwidth Iub Bandwidth Input Iub Dimensioning Output Erlang Services Iub Average Bandwidth CS Traffic Voice Traffic VP Traffic GoS Requirements PS Traffic Huawei Confidential Page 38 HSPA Traffic Common Channel Bandwidth OM Bandwidth HSPA End-user Experience Rate Bandwidth max Total Iub bandwidth = max(IubHSDPAPeak , Iubcs+Iubps+IubHSDPA)+IubCCH+IubOM PS Traffic PS64 Throughput PS128 Throughput PS384 Throughput PS Retransmission
  • 39.
    Input Parameters forIub Bandwidth Dimensioning Traffic Model Service type Uplink Downlink AMR12.2 (Erl) 0.035 0.035 PS64 (kbit) 144 0 PS128 (kbit) 0 0 PS384 (kbit) 0 576 HSPA (kbit) 576 2304 Total 720 2880 Huawei Confidential Page 39 Subscriber per site (S111) is 586 SHO overhead 20% Retransmission for PS 1% PS Burst Ratio 40%
  • 40.
    Step1: Iub Bandwidthfor R99 Services ∑ * ) 1 ( * i i SHO i CS IubFactor OH deB afficPerNo CSErlangTr Iub + = Iub Bandwidth Occupation for R99 Bearers Bearer IP over Ethernet AMR12.2k 13.7 kbps CS64k 86.7 kbps PS64k 89.7 kbps PS128k 156.7 kbps ∑ * i i i PS IubFactor onNumber PSConnecti Iub = Huawei Confidential Page 40 PS384k 447.7 kbps Case: DL CSPS Iub bandwidth kbps IubCS 18 . 337 13.7 * 20%) (1 * 586 * 0.035 = + = kbps IubPS 48 . 185 447.7 * 3600 * 384 40%) (1 * 1%) (1 * 20%) (1 * 586 * 576 = + + + =
  • 41.
    Step2: Iub Bandwidthfor HSDPA 3600 / ) 1 ( * ) 1 ( * ) 1 ( * Re d IubOverhea R R PerNodeB Throughput Iub trans Burst HSPA + + + = Bearer IP over Ethernet HSDPA 20% HSUPA 15% Case: Iub bandwidth for HSDPA kbps IubHSDPA 46 . 795 20%)/3600 (1 * 40%) (1 * 1%) (1 * 586 * 2880 = + + + = Huawei Confidential Page 41 kbps IubHSDPA 46 . 795 20%)/3600 (1 * 40%) (1 * 1%) (1 * 586 * 2880 = + + + = Step3: Total DL Iub Bandwidth Total Iub bandwidth = Iubcs+Iubps+IubHSDPA+IubCCH+IubOM = 337.18 + 185.48 + 795.46 + (27 + 39) +64 = 1410kbps Iub Bandwidth Occupation for CCH Bearer IP over Ethernet RACH 51 kbps PCH 27 kbps FACH 39 kbps
  • 42.
    Iub Bandwidth forHSDPA Peak Bits Rate Iub Bandwidth for the Peak Rate of a HSDPA User Terminal Type with Peak Data Rate (L1) ATM over E1 IP over E1 IP over Ethernet CAT6 (3.6Mbps) 4.50 Mbps 3.80 Mbps 4.00 Mbps CAT8 (7.2Mbps) 8.90 Mbps 7.50 Mbps 8.00 Mbps CAT10 (14.4Mbps) 17.80 Mbps 15.00 Mbps 16.00 Mbps Huawei Confidential Page 42 Total Iub bandwidth = Max(IubHSDPAPeak , Iubcs+Iubps+IubHSDPA)+IubCCH+IubOM = Max( 16Mbps, 337.18 + 185.48 + 795.46) + (27 + 39) +64 = 16.13Mbps Consider HSDPA peak bits rate requirement, the total Iub bandwidth should be
  • 43.