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it網(wǎng)絡(luò)設(shè)備td-scdma單通問題定位指導(dǎo)書(華為)-展示頁

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【正文】 華 為 技 術(shù) 有 限 公 司 版權(quán)所有 侵權(quán)必究 目 錄 第 1 章 概述 ............................................................................................................................ 4 目的 ............................................................................................................................4 適用范圍 ......................................................................................................................4 第 2 章 語音單通問題 .............................................................................................................. 4 語音質(zhì)量問題定義 ........................................................................................................4 單通 ..................................................................................................................4 問題場景模型分析 ........................................................................................................4 設(shè)備因素 ............................................................................................................5 環(huán)境因素 ............................................................................................................5 場景測試分析 .....................................................................................................5 問題排查基本思路 ........................................................................................................6 確認(rèn)問題出現(xiàn)范圍 ..............................................................................................6 排查無線環(huán)境因素 ..............................................................................................6 排查終端問題 .....................................................................................................7 排查傳輸問題 .....................................................................................................7 第 3 章 環(huán)回測試指導(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 ..............................................................
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