WCDMA Radio Network Dimensioning Practice for Student (a)

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Document Title Security Level: WCDMA Radio Network Dimensioning Case Please finish the WCDMA Radio Network Planning in Dense Urban, and fill in the table in Page 3 (If system is in congestion state, use the second carrier to enhance capacity ): 1. Coverage Area (km 2 ) : 82 2. Users forecast: 214200 3. Carrier 1: Uplink 1920~1925MHz , Downlink 2110~2115MHz, 3- sector sites Carrier 2: Uplink 1925~1930MHz , Downlink 2115~2120MHz, 3- sector sites 4. Adopt 3GPP Release5 (HSDPA), Huawei RNC version: RAN10 (DL Signaling over HSDPA) 5. Parameters: Parameter Uplink Downlink Continuous coverage service CS 64kbps CS 64kbps Max power of TCH(dBm) 21 33 Cable loss Tx(dB) 0 6 Cable loss Rx(dB) 6 0 Antenna gain Tx(dBi) 0 17 Antenna gain Rx(dBi) 17 0 Noise figure(dB) 1.6 7 Required Eb/No(dB) 4.5 6.5 Cell design load 0.5 0.90 Fast fading margin 2 1 Interference margin(dB) 3 7 SHO gain over fast fading(dB) 1.5 Area coverage probability 0.9 SHO gain over slow fading 2 Morphology Penetration Loss(dB) Standard Deviation Of Penetration Loss Standard Deviation Of Outdoor Slow Fading Dense Urban 19 6 10 Urban 13 5 8 2022-01-21 HUAWEI Confidential Page1, Total5

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WCDMA Radio Network

Transcript of WCDMA Radio Network Dimensioning Practice for Student (a)

Document TitleSecurity Level:

WCDMA Radio Network Dimensioning CasePlease finish the WCDMA Radio Network Planning in Dense Urban, and fill in the table in Page 3 (If system is in congestion state, use the second carrier to enhance capacity ):

1. Coverage Area (km2) : 822. Users forecast: 214200

3. Carrier 1: Uplink 1920~1925MHz , Downlink 2110~2115MHz, 3-sector sites Carrier 2: Uplink 1925~1930MHz , Downlink 2115~2120MHz, 3-sector sites4. Adopt 3GPP Release5 (HSDPA), Huawei RNC version: RAN10 (DL Signaling over HSDPA)5. Parameters: ParameterUplinkDownlink

Continuous coverage serviceCS 64kbpsCS 64kbps

Max power of TCH(dBm)2133

Cable loss Tx(dB)06

Cable loss Rx(dB)60

Antenna gain Tx(dBi)017

Antenna gain Rx(dBi)170

Noise figure(dB)1.67

Required Eb/No(dB)4.56.5

Cell design load0.50.90

Fast fading margin21

Interference margin(dB)37

SHO gain over fast fading(dB)1.5

Area coverage probability0.9

SHO gain over slow fading2

MorphologyPenetration Loss(dB)Standard Deviation Of Penetration LossStandard Deviation Of Outdoor Slow Fading

Dense Urban19610

Urban1358

Std. Dev. Of Indoor Slow FadingArea Coverage Probability Slow Fading Margin(dB)

11.790%9

95%13

1090%7

95%11

690%3

95%5

6. Propagation Model:

7. Maximum NodeB transmission power: 20W

8. Overhead of SHO (including softer handover): 40%

Overhead of softer handover: 10%

9. Retransmission of R99 PS: 5% Retransmission of HSDPA: 10%10. R99 PS traffic burst: 20%

HSDPA traffic burst: 25%

11. Activity factor of AMR12.2Kbps: 0.67

Activity factor of PS: 0.9

12. PS Channel Element utilization rate: 0.7

13. Power allocation for CCH in downlink: 20%

14. Average throughput requirement per user of HSDPA: 400kbps

15. Adjacent cell interference factor: 0.65

16. DL non-orthogonal factor: 0.5

17. Target DL cell load: 90%

Target UL cell load: 50%

18. Eb/No Requirement of Voice:

ServiceBLERChannel ModelUplink Eb/N0Downlink Eb/N0

AMR12.2k1.00%TU35.4 dB7.8 dB

RA1204.5 dB8.3 dB

19. Traffic Model:

Traffic ModelULDLGoSLoad Factors (UL)Load Factors (DL)

AMR12.2k(Erl)0.020.022%

CS64k(Erl)0.00150.00152%4.99%5.81%

PS64k(kbits)500800N/A4.77%4.11%

PS128k(kbits)100500N/A8.69%8.03%

PS384k(kbits)50200N/A21.35%19.59%

HSDPA (kbits)01674N/A

20. Specifications of the WBBP for NobeB 3900

Board Number of CellsUL CE NumberDL CE Number

WBBPa3128256

WBBPb136464

WBBPb23128128

WBBPb36256256

21.Reference

DL Coupling Loss (R99) = DL Path Loss + Cable Loss NodeB Antenna Gain UE Antenna Gain + Body Loss + Slow Fading Margin with SHO + Fast Fading Margin with SHO + Penetration loss Radio Network Dimensioning Output

Coverage Dimensioning:UplinkDownlink

Path Loss (dB)

Cell Radius (km)

Cell Radius (km)

NodeB coverage area (km^2)

Number of NodeB

Capacity Dimensioning:

UplinkDownlink

AveragePeakAveragePeak

AMR12.2k Load

CS64k Load

PS64k Load

PS128k Load

PS384k Load

HSDPA Load

Total Load (DCH+HSDPA)

Final Load for One Cell

Number of NodeB

Number of Carrier

CE Dimensioning:UplinkDownlink

AveragePeakAveragePeak

AMR12.2k CE

CS64k CE

PS64k CE

PS128k CE

PS384k CE

HSDPA A-DPCH CE

Total CE

Final CE for One Site

WBBP Board

EMBED Equation.3

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