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CDMA系統(tǒng)及優(yōu)化-《CDMA網(wǎng)絡(luò)海洋覆蓋專題優(yōu)化指導(dǎo)書（試行）》

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發(fā)表于 2014-12-05 12:45:41 只看樓主

【資料名稱】：CDMA系統(tǒng)及優(yōu)化-《CDMA網(wǎng)絡(luò)海洋覆蓋專題優(yōu)化指導(dǎo)書（試行）》

【資料作者】：中國(guó)電信

【資料日期】：2009.10

【資料語(yǔ)言】：中文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

1 海域覆蓋的技術(shù)特點(diǎn)..........................................................................................................1
1.1概述........................................................................................................................................................1
1.2海面無線傳播模型................................................................................................................................1
1.2.1 模型分段原則............................................................................................................................1
1.2.2 視距路徑....................................................................................................................................2
1.2.3 超視距路徑................................................................................................................................3
1.3海面覆蓋的特點(diǎn)....................................................................................................................................3
2 海域覆蓋站點(diǎn)建設(shè)與規(guī)劃建議..........................................................................................5
2.1站址選擇................................................................................................................................................5
2.2主設(shè)備選擇............................................................................................................................................5
2.3天線選擇................................................................................................................................................6
2.3.1 極化方式....................................................................................................................................6
2.3.2 天線輻射方向圖、水平波瓣寬度、垂直波瓣寬度和增益.....................................................6
2.3.3 天線下傾角................................................................................................................................6
2.3.4 天線旁瓣抑制與零點(diǎn)填充特性.................................................................................................6
2.3.5 背向信號(hào)抑制............................................................................................................................6
2.4饋線選擇................................................................................................................................................7
2.5 PN 規(guī)劃建議...........................................................................................................................................8
3 海域覆蓋射頻優(yōu)化..............................................................................................................8
3.1影響超遠(yuǎn)覆蓋的因素及優(yōu)化措施........................................................................................................8
3.1.1 站點(diǎn)規(guī)劃問題............................................................................................................................8
3.1.2 工程質(zhì)量問題............................................................................................................................8
3.1.3 優(yōu)化措施....................................................................................................................................8
3.2超遠(yuǎn)站與其他基站的相互干擾問題及優(yōu)化措施................................................................................9
4 無線參數(shù)優(yōu)化.....................................................................................................................9
4.1中興設(shè)備參數(shù)......................................................................................................................................10
4.1.1 1X 語(yǔ)音業(yè)務(wù)參數(shù)設(shè)置..............................................................................................................10
4.1.2 DO 數(shù)據(jù)業(yè)務(wù)參數(shù)設(shè)置.............................................................................................................10
4.2 華為設(shè)備參數(shù).....................................................................................................................................11
4.2.1 1X 語(yǔ)音業(yè)務(wù)參數(shù)設(shè)置..............................................................................................................114.2.2 DO 數(shù)據(jù)業(yè)務(wù)參數(shù)設(shè)置.............................................................................................................12
4.3 上海貝爾設(shè)備參數(shù).............................................................................................................................12
5 針對(duì)不同場(chǎng)景的優(yōu)化技術(shù)方案........................................................................................ 13
5.1近海、遠(yuǎn)海分層覆蓋場(chǎng)景..................................................................................................................13
5.1.1 遠(yuǎn)海區(qū)域覆蓋方案..................................................................................................................14
5.1.2 近海密集區(qū)域覆蓋解決方案...................................................................................................15
5.1.3 近海普通區(qū)域覆蓋解決方案...................................................................................................16
5.1.4 遠(yuǎn)海覆蓋和近海覆蓋協(xié)同解決方案.......................................................................................16
5.2導(dǎo)頻污染區(qū)域解決方案......................................................................................................................17
5.2.1 同頻優(yōu)化方案..........................................................................................................................18
5.2.2 異頻優(yōu)化方案..........................................................................................................................18
5.3島嶼場(chǎng)景覆蓋解決方案......................................................................................................................21
5.4海峽航道場(chǎng)景覆蓋解決方案..............................................................................................................21
附錄：海域覆蓋評(píng)估方法.................................................................................................... 22
1.海洋覆蓋的測(cè)試方法............................................................................................................................22
1.1 海洋覆蓋終點(diǎn)的參考定義.........................................................................................................22
1.2 測(cè)試路線的選擇.........................................................................................................................22
1.3 測(cè)試內(nèi)容......................................................................................................................................22
2.呼叫詳細(xì)記錄在海洋覆蓋評(píng)估的運(yùn)用................................................................................................23

CDMA系統(tǒng)及優(yōu)化-《CDMA網(wǎng)絡(luò)海洋覆蓋專題優(yōu)化指導(dǎo)書（試行）》.pdf (791.55 KB)

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