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高速鐵路現(xiàn)網(wǎng)優(yōu)化技術(shù)方案-wenkub

2023-05-23 06:51:40 本頁(yè)面
 

【正文】 .............................................................................................. 4 二、 研究背景 .................................................................................................... 5 鐵路提速 ............................................................................................................... 5 CRH 簡(jiǎn)介 [1] ............................................................................................................. 5 三、 高速列車(chē)對(duì)現(xiàn)網(wǎng)質(zhì)量的影響分析 ............................................................... 6 穿透損耗 ................................................................................................................ 6 覆蓋信號(hào)強(qiáng)度需求 ................................................................................................ 6 手機(jī)在單小區(qū)內(nèi)的最低信號(hào)強(qiáng)度需求 ............................................................ 6 考 慮切換的最低信號(hào)強(qiáng)度 .............................................................................. 6 小區(qū)覆蓋半徑 ................................................................................................. 7 相鄰小區(qū)的重疊區(qū)域 ............................................................................................ 8 Idle 模式下的小區(qū)重選 ................................................................................... 8 Active 模式下的切換 ..................................................................................... 10 小結(jié) .................................................................................................................... 10 四、 高速鐵路的優(yōu)化策略 ............................................................................... 11 覆蓋優(yōu)化 .............................................................................................................. 11 重選與切換算法優(yōu)化 .......................................................................................... 11 專(zhuān)網(wǎng)覆蓋與現(xiàn)網(wǎng)調(diào)整 .......................................................................................... 11 專(zhuān)網(wǎng)覆蓋與現(xiàn)網(wǎng)調(diào)整的相同點(diǎn) ...................................................................... 12 專(zhuān)網(wǎng)覆蓋與現(xiàn)網(wǎng)調(diào)整的差異 ......................................................................... 12 專(zhuān)網(wǎng)覆蓋與現(xiàn)網(wǎng)調(diào)整的技術(shù)特點(diǎn)分析 .......................................................... 12 現(xiàn)網(wǎng)調(diào)整與專(zhuān)網(wǎng)覆蓋的融合 .......................................................................... 13 五、 現(xiàn)網(wǎng)覆蓋優(yōu)化技術(shù) ................................................................................... 14 現(xiàn)網(wǎng)覆蓋小區(qū)序列的整理 .................................................................................... 14 GSM1800 網(wǎng)的信號(hào)調(diào)整 ....................................................................................... 14 現(xiàn)網(wǎng)覆蓋小區(qū)天線調(diào)整 ....................................................................................... 14 分裂第四小區(qū) ...................................................................................................... 17 功分扇區(qū) ............................................................................................................. 18 功率放大器的應(yīng)用 .............................................................................................. 20 3 新增宏基站建設(shè)方案 .......................................................................................... 22 直放站方案 ......................................................................................................... 23 六、 基于現(xiàn)網(wǎng)結(jié)構(gòu)的參數(shù)優(yōu)化方法 ................................................................. 24 空閑模式參數(shù)優(yōu)化 .............................................................................................. 24 切換相關(guān)參數(shù)優(yōu)化 .............................................................................................. 26 其他相關(guān)參數(shù)優(yōu)化 .............................................................................................. 28 七、 技術(shù)方案總結(jié) ........................................................................................... 30 八、 引用 .................................................................................
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