信道數(shù)目規(guī)劃工具V11

《信道數(shù)目規(guī)劃工具V11》由會員分享，可在線閱讀，更多相關(guān)《信道數(shù)目規(guī)劃工具V11（16頁珍藏版）》請在裝配圖網(wǎng)上搜索。

1、Version DescriptionVersionRelease dateModified byChecked byV1.02008.1.9Chen NiChen ChunV1.12008.4.2Chen NiYang JiazhiModified Items（pls give a brief description)Initial version.并列出GPRS話務模型修正數(shù)據(jù)業(yè)務話務模型參數(shù)，及工具中某些公式引用錯誤Version Description假假設(shè)設(shè)計計算算1 無線口每次TBF下行需要傳送的PDU總字節(jié)數(shù)2170 byte1傳輸1個RLC數(shù)據(jù)包(無線塊)的時間20 ms2 所

2、有PDU需要占用的下行RLC包個數(shù)（無線塊）2每種編碼方式下每個RLC數(shù)據(jù)包可以傳輸?shù)腖LC PDU的字節(jié)數(shù)每種編碼方式在理想狀態(tài)下的速率kbps編碼方式數(shù)據(jù)無線塊控制塊開銷比例重傳率CS120 byte8CS11095%1%CS230 byte12CS2735%1%CS336 byte14.4CS3615%1%CS450 byte20CS4445%1%MCS122 byte8.8MCS1995%1%MCS228 byte11.2MCS2785%1%MCS337 byte14.8MCS3595%1%MCS444 byte17.6MCS4505%1%MCS556 byte22.4MCS5395%

3、1%MCS674 byte29.6MCS6305%1%MCS7112 byte44.8MCS7205%1%MCS8136 byte54.4MCS8165%1%MCS9148 byte59.2MCS9155%1%3假設(shè)沒有SNDCP壓縮與解壓和分段與重組（這樣一個IP包，在LLC層就是以1個LLC PDU傳輸）3 無線口承載的IP有效速率(kbps)4 IP平均包長度200 byte編碼方式IP連續(xù)流中N個IP包的總byte數(shù)傳輸N個LLCPDU（即N個IP包）所需的時間(s)無線口IP層有效速率(kbps)5 IP數(shù)據(jù)流連續(xù)的IP包個數(shù)10 packetCS120002.326.906 RLC

4、采用確認模式CS220001.5410.397 重傳率1%zte認為是10%，移動認為1%CS320001.312.318一次下行TBF建立到釋放下行方向的RLC/MAC控制塊開銷5%zte算4個block，移動認為5%CS420000.9417.029Gb接口每PDU的FR、NS、BSSGP、LLC、SNDCP的協(xié)議頭53 byteMCS120002.17.6210 LLC幀格式MCS220001.669.64LLC頭9 byteLLC層效率 0.921659MCS320001.2612.70SDNCP頭4 byteMCS420001.0615.09IP數(shù)據(jù)200 byteMCS520000

5、.8219.51FCS3 byteMCS620000.6425.00RLC長度指示字節(jié)1 byteMCS720000.4238.10MCS820000.3447.06MCS920000.3250.00推推薦薦值值4 忙時平均每用戶數(shù)據(jù)業(yè)務速率(bps)也可這樣算4.忙時平均數(shù)據(jù)業(yè)務速率(bps)1每每用用戶戶平平均均忙忙時時業(yè)業(yè)務務量量推推薦薦值值(bps)a.已知每用戶忙時數(shù)據(jù)吞吐量(KB,千字節(jié))發(fā)發(fā)展展階階段段GPRSEDGEb.則忙時平均每用戶數(shù)據(jù)業(yè)務速率=每用戶忙時數(shù)據(jù)吞吐量*8*1000/3600(bps)引入期120400e.g發(fā)展期160600每用戶忙時數(shù)據(jù)吞吐量=125KBy

6、tes高速發(fā)展期240800S-每個用戶忙時平均數(shù)據(jù)業(yè)務速率(bps)則每用戶忙時數(shù)據(jù)業(yè)務速率=12581000/3600=278bps成熟期3201000M-數(shù)據(jù)業(yè)務種類N-用戶每月使用某種業(yè)務次數(shù)相當于用戶在一個小時內(nèi)（忙時）發(fā)生了125KBytes的數(shù)據(jù)的傳送，那么平均每秒下載的速率為278bit/s。但用戶實際可能是在1秒內(nèi)下載完成，也可能分很多次下載。模型只能考慮平均情況！2編編碼碼速速率率比比例例T-平均通信時長(s)編碼速率引入期發(fā)展期 高速發(fā)展期 成熟期M1-忙日集中系數(shù)CS120%20%20%20%M2-忙時集中系數(shù)CS280%80%30%20%M3-占空比CS30%0%30

7、%30%R-用戶通信速率(kbps)PS：1u+3d手機考慮不同編碼方式和開銷，R可以認為是20.4kbps。CS40%0%20%30%Family CMCS130%20%15%15%業(yè)務種類信息點播業(yè)務或短信業(yè)務WWW網(wǎng)頁瀏覽及WAP業(yè)務E-mail業(yè)務MCS420%10%5%5%業(yè)務特點使用頻度高，每次數(shù)據(jù)量不大，占空比較低使用頻度較高，每次使用數(shù)據(jù)量較大，占空比較低使用頻度較高，每次使用數(shù)據(jù)量不大，占空比較高Family BMCS215%15%15%10%平均每月使用次數(shù)N603030MCS510%10%10%5%平均每次使用的時間T(s)12045030MCS75%5%5%5%忙日集中

8、系數(shù)M10.050.050.05Family AMCS35%10%5%5%忙時集中系數(shù)M20.1250.1250.125MCS65%10%10%10%占空比M30.10.150.75MCS85%10%15%15%用戶通信速率(kbps)20.420.420.4MCS95%10%20%30%各個數(shù)據(jù)業(yè)務用戶忙時平均業(yè)務量S(bps)25.571.7223.91忙時平均每用戶數(shù)據(jù)業(yè)務速率S(bps)1801231/3600M ISNTMMMR=5 每個小區(qū)的忙時平均數(shù)據(jù)業(yè)務速率(kbps)數(shù)據(jù)用戶滲透率(%)-數(shù)據(jù)業(yè)務用戶占總用戶數(shù)的百分比數(shù)據(jù)用戶附著率(%)-數(shù)據(jù)業(yè)務用戶的附著率數(shù)據(jù)用戶激活率(

9、%)-在附著的用戶中被激活的數(shù)據(jù)用戶的百分比每每個個小小區(qū)區(qū)的的忙忙時時數(shù)數(shù)據(jù)據(jù)用用戶戶數(shù)數(shù)=小小區(qū)區(qū)GSMGSM忙忙時時用用戶戶數(shù)數(shù)*滲滲透透率率*附附著著率率*激激活活率率每每個個小小區(qū)區(qū)的的忙忙時時平平均均數(shù)數(shù)據(jù)據(jù)業(yè)業(yè)務務速速率率(kbps)=(kbps)=每每個個小小區(qū)區(qū)的的數(shù)數(shù)據(jù)據(jù)用用戶戶數(shù)數(shù)*忙忙時時平平均均每每用用戶戶數(shù)數(shù)據(jù)據(jù)業(yè)業(yè)務務速速率率S(bps)/1000S(bps)/10006 每PDCH的IP層信道速率(kbps)每PDCH的IP層信道速率(kbps)=sum(i編碼的無線口承載的IP有效速率*i編碼的比例),i為CS1CS4,MCS1MCS9.7 每個小區(qū)所需PDC

10、H總信道數(shù)每每個個小小區(qū)區(qū)所所需需PDCHPDCH總總信信道道數(shù)數(shù)=每每個個小小區(qū)區(qū)的的忙忙時時平平均均數(shù)數(shù)據(jù)據(jù)業(yè)業(yè)務務速速率率(kbps)/(kbps)/每每PDCHPDCH的的IPIP層層信信道道速速率率(kbps)(kbps)數(shù)據(jù)塊+控制塊+重傳開銷后的RLC包個數(shù)1167765471058363534132211716bps換算成kbps，是除以1000還是1024？這里按照1000算FTP數(shù)據(jù)上傳及下載業(yè)務電子交易類其他業(yè)務使用頻度高，每次使用數(shù)據(jù)量適中，占空比較高使用頻度適中，每次使用數(shù)據(jù)量小，占空比較低30201560120600.050.050.050.1250.1250.12

11、50.750.10.120.420.420.447.828.53.194.忙時平均數(shù)據(jù)業(yè)務速率(bps)a.已知每用戶忙時數(shù)據(jù)吞吐量(KB,千字節(jié))b.則忙時平均每用戶數(shù)據(jù)業(yè)務速率=每用戶忙時數(shù)據(jù)吞吐量*8*1000/3600(bps)每用戶忙時數(shù)據(jù)吞吐量=125KBytes則每用戶忙時數(shù)據(jù)業(yè)務速率=12581000/3600=278bps相當于用戶在一個小時內(nèi)（忙時）發(fā)生了125KBytes的數(shù)據(jù)的傳送，那么平均每秒下載的速率為278bit/s。但用戶實際可能是在1秒內(nèi)下載完成，也可能分很多次下載。模型只能考慮平均情況！R-用戶通信速率(kbps)PS：1u+3d手機考慮不同編碼方式和開銷，

12、R可以認為是20.4kbps。180每每個個小小區(qū)區(qū)的的忙忙時時平平均均數(shù)數(shù)據(jù)據(jù)業(yè)業(yè)務務速速率率(kbps)=(kbps)=每每個個小小區(qū)區(qū)的的數(shù)數(shù)據(jù)據(jù)用用戶戶數(shù)數(shù)*忙忙時時平平均均每每用用戶戶數(shù)數(shù)據(jù)據(jù)業(yè)業(yè)務務速速率率S(bps)/1000S(bps)/1000每PDCH的IP層信道速率(kbps)=sum(i編碼的無線口承載的IP有效速率*i編碼的比例),i為CS1CS4,MCS1MCS9.每每個個小小區(qū)區(qū)所所需需PDCHPDCH總總信信道道數(shù)數(shù)=每每個個小小區(qū)區(qū)的的忙忙時時平平均均數(shù)數(shù)據(jù)據(jù)業(yè)業(yè)務務速速率率(kbps)/(kbps)/每每PDCHPDCH的的IPIP層層信信道道速速率率(kb

13、ps)(kbps)input for data serviceReference ValuePenetration rate20%unit編碼速率IP層有效速率(kbps)比例Total請保證各自Total為100%Attatch rate100%CS16.920%100%Active rate10%CS210.3980%GPRS rate0%CS312.310%EDGE rate100%CS417.030%STEP發(fā)展期請選擇Family CMCS17.6220%100%Average data rate persubscriber in BH(GPRS)160bpsMCS415.110%A

14、verage data rate persubscriber in BH(EDGE)600bpsFamily BMCS29.6415%黃色為手動輸入部分MCS519.5210%MCS738.15%input for voice serviceFamily AMCS312.710%GOS2%unitMCS62510%mE/sub30mEMCS847.0610%HR Rate20%MCS95010%output of the channel configurationTRX NumberTotalChannelBCCHSDCCH/8StaticPDCHHR RatioTCH/FRTCH/HRGOS

15、=1%GOS=2%SubsErlErl1811020%522.52.949821611120%1227.358.227332412120%18413.714.949743212120%25621.222.876054012120%3282931103364812120%39103739.3131075613120%451244.246.8156086413220%521250.653.4178097213220%591458.9622067108013220%661667.270.62353118814220%721874.778.32610發(fā)展期129614220%792083.138729

16、00中間過程1.計算每PDCH信道速率（吞吐量）-與編碼速率的比例有關(guān)Average data rate perPDCH(GPRS)9.692Average data rate perPDCH(EDGE)21.8132.估算PDCH信道個數(shù)，主要問題是動態(tài)靜態(tài)PDCH如何分配，目前是將理論得到的Total PDCH數(shù)全部認為是Static的。當static超過15條以后，Dynamic會報“out of range”，主要是受限于函數(shù)嵌套不超過7級的限制，需要用宏來解決。TRXGSM UserUser for DataServiceData Rate per cell(kbps)PDCH TO

17、TALStaticPDCHDynamicPDCHGPRSEDGEGPRSEDGEGPRSEDGETotal19801.9601.17600.053912804102232806.5603.93600.1804428551113527010.5406.32400.2899188561114790015.809.4800.43460321811151063021.26012.75600.58478888711161343026.86016.11600.73882547111171593031.86019.11600.87635813511181877037.54022.52401.03259524

18、122292163043.26025.95601.189932609222102417048.34029.00401.329665796222112673053.46032.07601.470499244222122963059.26035.55601.630037134222每每用用戶戶平平均均忙忙時時業(yè)業(yè)務務量量推推薦薦值值(bps)發(fā)發(fā)展展階階段段發(fā)發(fā)展展階階段段GPRSEDGE引入期引入期120400發(fā)展期發(fā)展期160600高速發(fā)展期高速發(fā)展期240800成熟期成熟期3201000編編碼碼速速率率比比例例編碼速率IP層有效速率(kbps)引入期發(fā)展期高速發(fā)展期成熟期CS16.920%2

19、0%20%20%CS210.3980%80%30%20%CS312.310%0%30%30%CS417.030%0%20%30%編碼速率IP層有效速率(kbps)引入期發(fā)展期高速發(fā)展期成熟期Family CMCS17.6230%20%15%15%MCS415.120%10%5%5%Family BMCS29.6415%15%15%10%MCS519.5210%10%10%5%MCS738.15%5%5%5%Family AMCS312.75%10%5%5%MCS6255%10%10%10%MCS847.065%10%15%15%MCS9505%10%20%30%PDCH配配置置經(jīng)驗配置理論計算

20、實際取值發(fā)展階段TRXNumberStaticPDCHDynamicPDCHTotalPDCHStaticPDCHDynamicPDCH引入期104102213111322111431111531111631111741111841222941222104122211412221241222發(fā)展期104102213111322111431111531111631111741111841222941222104122211412221241222高速發(fā)展期11311122211133111144111154111164111174411184422294422210442221144222124

21、4222成熟期113111引入期222111331111441111541111641111744111844222944222104422211442221244222成熟期NG0S=1%G0S=2%G0S=5%10.01010.02040.052620.1530.2230.38130.4550.6020.89940.8691.091.5251.361.662.2261.912.282.9672.52.943.7483.133.634.5493.784.345.37104.465.086.22115.165.847.08125.886.617.95136.617.48.83147.358.2

22、9.73158.119.0110.6168.889.8311.5179.6510.712.51810.411.513.41911.212.314.3201213.215.22112.814.0316.22213.714.917.12314.515.818.12415.316.6192516.117.520261718.420.92717.819.321.92818.620.222.92919.521.0423.83020.321.924.83121.222.825.8322223.726.73322.924.627.73423.825.528.73524.626.429.73625.527.3

23、30.73726.428.331.63827.329.232.63928.130.133.640293134.64129.931.935.64230.832.836.64331.733.837.64432.534.738.64533.435.6139.64634.336.540.54735.237.541.54836.138.442.5493739.343.55037.940.344.55138.841.245.55239.742.1246.55340.643.147.55441.54448.55542.444.949.55643.345.950.55744.246.851.55845.147

24、.852.6594648.753.66046.949.6154.66147.950.655.66248.851.556.66349.752.557.66450.653.458.66551.554.459.66652.455.360.66753.456.361.66854.357.262.66955.258.263.77056.159.164.7715760.165.772586166.77358.96267.77459.862.968.77560.763.969.77661.764.970.87762.665.871.87863.566.872.87964.467.773.88065.468.

25、774.88166.369.675.88267.270.676.98368.271.677.98469.172.578.9857073.579.98670.974.580.98771.975.4828872.876.4838973.777.3849074.778.3859175.679.3869276.680.287.19377.581.288.19478.482.289.19579.483.190.19680.384.191.19781.2485.19882.19869983.138710084.06881018588.910285.9589.910386.8990.910487.8391.910588.7792.810689.7293.810790.6694.810891.695.710992.5596.711093.4997.711194.4498.711295.3999.611396.33100.611497.28101.611598.22102.511699.17103.5117100.12104.5118101.06105.5119102.02106.4120102.96107.4