WCDMA Radio Network Dimensioning Practice Formular
-
Upload
fakhar-muhammad-hussain-naqvi -
Category
Documents
-
view
219 -
download
6
description
Transcript of WCDMA Radio Network Dimensioning Practice Formular
Input1Coverage Area (km2) :82822Users forecast:214200214200UplinkDownlink3Adopt 3GPP Release 5 (HSDPA)R99HSDPA4Target Cell Load50%90%5Central Frequency (MHz):1922.52122.56Continuous coverage serviceCS 64kbpsCS 64kbps7Max power of TCH(dBm)21338Cable loss Tx(dB)069Cable loss Rx(dB)6010Antenna gain Tx(dBi)01711Antenna gain Rx(dBi)17012Noise figure(dB)1.6713Required Eb/No(dB)4.56.514Fast fading margin2115Interference margin(dB)3716SHO gain over fast fading(dB)1.517SHO gain over slow fading218Penetration Loss(dB)1919Slow Fading Margin(dB)920Propagation Model:21Maximum NodeB transmission power (W):2022Overhead of SHO (including softer handover):40%23Overhead of SHO (not including softer handover):10%24Retransmission of PS (R99):5%25Retransmission of PS (HSDPA):10%26R99 PS traffic burst:20%27HSDPA traffic burst:25%28PS Channel Element utilization rate:0.729Power allocation for CCH in downlink:20%30Average throughput requirement per user of HSDPA (kbps)40031Adjacent cell interference factor:0.6532DL non-orthogonal factor:0.533Activity FactorServiceActivity FactorAMR0.67Video PhonePS0.934Eb/No Requirement of Voice:ServiceBLERChannel ModelUplink Eb/N0 (dB)Downlink Eb/N0 (dB)AMR12.2k1.00%TU35.47.8RA1204.58.335Traffic 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)5008004.77%4.11%PS128k(kbits)1005008.69%8.03%PS384k(kbits)5020021.35%19.59%HSDPA (kbits)01674
&L&G&C&F&RSecurity Level:&L&D&CHUAWEI Confidential&RPage&Pof&N
Coverage DimensioningUplinkUE Max Power21DownlinkNodeB Max Power for TCH33TX Antenna gain0TX Antenna gain17RX Antenna gain17RX Antenna gain0SHO gain over fast fading1.5SHO gain over fast fading1.5SHO gain over slow fading2SHO gain over slow fading2Gain20.5Gain20.5Body loss0Body loss0Penetration loss19Penetration loss19Cable loss6Cable loss6Loss25Loss25Slow Fading Margin9Slow Fading Margin9Fast Fading Margin2Fast Fading Margin1Interference Margin3Interference Margin7Margin14Margin17Thermal noise-108Thermal noise-108Noise Figure1.6Noise Figure7Required Eb/No4.5Required Eb/No6.5Processing gain17.78Processing gain17.78Sensitivity of NodeB-119.68Sensitivity of UE-112.28Uplink Path Loss (dB)122.18Downlink Path Loss (dB)123.78Uplink Cell Radius (km)0.5959492489Downlink Cell Radius (km)0.648974939Cell Radius(km)0.5959492489NodeB coverage area (km^2)0.692040806Number of NodeB118.4901226832Number of NodeB (Integer)119
&L&G&C&F&RSecurity Level:&L&D&CHUAWEI Confidential&RPage&Pof&N
Capacity DimensioningDL Path Loss123.0411395127Cable Loss6NodeB Antenna Gain17UE Antenna Gain0Body Loss3Slow Fading Margin with SHO7Fast Fading Margin with SHO-0.5Penetration Loss19DL Coupling Loss140.54AMR12.2 UL Load Factor1.21%AMR12.2 DL Load Factor1.90%Number of subsribers per cell600Overhead of SHO (including softer handover):40%Retransmission of PS (R99):5%Retransmission of PS (HSDPA):10%R99 PS traffic burst:20%HSDPA traffic burst:25%Activity Factor for PS0.9Traffic Model:Traffic ModelULDLGoSLoad Factors (UL)Load Factors (DL)AMR12.2k(Erl)0.020.022%1.21%1.90%CS64k(Erl)0.00150.00152%4.99%5.81%PS64k(kbits)50080004.77%4.11%PS128k(kbits)10050008.69%8.03%PS384k(kbits)50200021.35%19.59%HSDPA (kbits)01674000AverageULDLPeakULDLAMR12.2k Traffic(Erl)1216.8AMR12.2k Traffic(Erl)1216.8AMR12.2k Average Load14.51%32.00%AMR12.2k Peak Connection1925AMR12.2k Load22.97%47.61%CS64kTraffic(Erl)0.91.26CS64k Average Load4.49%7.32%CS64kTraffic(Erl)0.91.26CS64k Peak Connection45PS64kTraffic(Erl)1.82294.0833CS64k Peak Load19.96%29.05%PS64k Average Load8.70%16.78%PS128kTraffic(Erl)0.18231.2760PS128k Average Load1.58%10.25%PS384kTraffic(Erl)0.03040.1701PS384k Average Load0.65%3.33%HSDPA Throughput306.9HSDPA Load18.38%Total Peak Load(PLUS):42.93%76.66%Total Average Load29.93%88.06%Total Peak Load(MDE):ABA