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《it網(wǎng)絡(luò)設(shè)備td-scdma單通問(wèn)題定位指導(dǎo)書(shū)(華為)》-全文預(yù)覽

  

【正文】 .................................................................................................... 4 語(yǔ)音質(zhì)量問(wèn)題定義 ........................................................................................................4 單通 ..................................................................................................................4 問(wèn)題場(chǎng)景模型分析 ........................................................................................................4 設(shè)備因素 ............................................................................................................5 環(huán)境因素 ............................................................................................................5 場(chǎng)景測(cè)試分析 .....................................................................................................5 問(wèn)題排查基本思路 ........................................................................................................6 確認(rèn)問(wèn)題出現(xiàn)范圍 ..............................................................................................6 排查無(wú)線環(huán)境因素 ..............................................................................................6 排查終端問(wèn)題 .....................................................................................................7 排查傳輸問(wèn)題 .....................................................................................................7 第 3 章 環(huán)回測(cè)試指導(dǎo) .............................................................................................................. 8 IU口用戶面環(huán)回概述 .....................................................................................................8 IU口用戶面環(huán)回原理 .....................................................................................................8 IU口用戶面環(huán)回操作步驟 ..............................................................................................9 IU上行環(huán)回 ........................................................................................................9 IU下行環(huán)回 ...................................................................................................... 11 IU環(huán)回關(guān)閉 ...................................................................................................... 12 IU環(huán)回測(cè)試結(jié)果判斷 ................................................................................................... 12 UE 的上行環(huán)回判斷 ........................................................................................... 12 UE 的下行環(huán)回判斷 ........................................................................................... 13 舉例說(shuō)明 .................................................................
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