1 網(wǎng)絡(luò)現(xiàn)狀 目前省公司考核指標(biāo)項(xiàng)無線接通率統(tǒng)計(jì)值相對(duì)來說不高,全省排名也比較靠后;該指標(biāo)也是與用戶感知關(guān)系重大指標(biāo),為提升該指標(biāo)改善GSM語音質(zhì)量及用戶感知;特對(duì)影響指標(biāo)的原因進(jìn)行分析和優(yōu)化調(diào)整。
2 解決方案及思路
指標(biāo)定義
(原定義)無線接通率=(SDCCH占用成功次數(shù)/SDCCH占用請(qǐng)求次數(shù))*(TCH呼叫占用成功次數(shù)/TCH呼叫占用請(qǐng)求次數(shù))*100%
(現(xiàn)采用)無線接通率=(SDCCH占用成功次數(shù)/SDCCH請(qǐng)求次數(shù))*(TCH占用成功次數(shù)/TCH請(qǐng)求次數(shù))*100%
TCH請(qǐng)求次數(shù):
[K3010A:TCH呼叫占用請(qǐng)求次數(shù)(業(yè)務(wù)信道)]+[H3009:BSC內(nèi)小區(qū)內(nèi)切換請(qǐng)求次數(shù)(TCH)]-[H3029A:BSC內(nèi)小區(qū)內(nèi)切換失敗次數(shù)(無可用信道)(TCH)]+[H3209W:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-900/850)]+[H3209X:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-1800/1900)]+[H3209Y:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-1800/1900)]+[H3209Z:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-900/850)]-[H3229A:BSC內(nèi)入小區(qū)切換失敗次數(shù)(無可用信道)(TCH)]+[H3409W:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-900/850)]+[H3409X:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-1800/1900)]+[H3409Y:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-1800/1900)]+[H3409Z:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-900/850)]-[H3429A:BSC間入小區(qū)切換失敗次數(shù)(無可用信道)(TCH)]
TCH占用成功次數(shù):
[K3013A:TCH呼叫占用成功次數(shù)(業(yè)務(wù)信道)]+[H3009:BSC內(nèi)小區(qū)內(nèi)切換請(qǐng)求次數(shù)(TCH)]-[H3029:BSC內(nèi)小區(qū)內(nèi)切換失敗次數(shù)(TCH)]+([H3209W:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-900/850)]+[H3209X:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-1800/1900)]+[H3209Y:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-1800/1900)]+[H3209Z:BSC內(nèi)入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-900/850)]-[H3229W:BSC內(nèi)入小區(qū)切換失敗次數(shù)(TCH)(900/850-900/850)]-[H3229X:BSC內(nèi)入小區(qū)切換失敗次數(shù)(TCH)(1800/1900-1800/1900)]-[H3229Y:BSC內(nèi)入小區(qū)切換失敗次數(shù)(TCH)(900/850-1800/1900)]-[H3229Z:BSC內(nèi)入小區(qū)切換失敗次數(shù)(TCH)(1800/1900-900/850)])+([H3409W:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-900/850)]+[H3409X:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-1800/1900)]+[H3409Y:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(900/850-1800/1900)]+[H3409Z:BSC間入小區(qū)切換請(qǐng)求次數(shù)(TCH)(1800/1900-900/850)]-[H3429W:BSC間入小區(qū)切換失敗次數(shù)(TCH)(900/850-900/850)]-[H3429X:BSC間入小區(qū)切換失敗次數(shù)(TCH)(1800/1900-1800/1900)]-[H3429Y:BSC間入小區(qū)切換失敗次數(shù)(TCH)(900/850-1800/1900)]-[H3429Z:BSC間入小區(qū)切換失敗次數(shù)(TCH)(1800/1900-900/850)])
注:
從最新公式可以看出,GSM網(wǎng)絡(luò)的無線接通率與以往最大區(qū)別在于含小區(qū)切換部分.
2.1原因分析及接解決思路
常規(guī)SDCCH分配成率流程及調(diào)整手段(流程)
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