TD-SCDMA室內(nèi)覆蓋系統(tǒng)規(guī)劃設(shè)計(jì)

摘 要
3G的魅力在于高速數(shù)據(jù)與多媒體業(yè)務(wù)，而視頻電話、視頻流、游戲等高速數(shù)據(jù)業(yè)務(wù)一般都發(fā)生在舒適的室內(nèi)環(huán)境中，這些業(yè)務(wù)功能都需要較大的系統(tǒng)容量和良好的網(wǎng)絡(luò)質(zhì)量。3G時(shí)代60%～70%的數(shù)據(jù)業(yè)務(wù)將發(fā)生在室內(nèi)，歐美國(guó)家和中國(guó)香港地區(qū)的統(tǒng)計(jì)顯示室內(nèi)移動(dòng)電話話務(wù)量約占總話務(wù)量的1/3；日本NTT DoCoMo公司的調(diào)查發(fā)現(xiàn)3G用戶的室內(nèi)使用量占到了70%，而室外使用量只有30%。對(duì)運(yùn)營(yíng)商而言，大量使用室內(nèi)覆蓋系統(tǒng)，可以爭(zhēng)奪室內(nèi)的話務(wù)量。NTT DoCoMo公司統(tǒng)計(jì)，實(shí)施室內(nèi)覆蓋的建筑物內(nèi)話務(wù)量增大了1.43倍。室內(nèi)覆蓋還可以用于分散過(guò)密地區(qū)的網(wǎng)絡(luò)壓力，解決高端用戶密集城區(qū)覆蓋問(wèn)題，減少室外基站的數(shù)量和配置，降低室外網(wǎng)絡(luò)的整體干擾水平，從而提高整個(gè)系統(tǒng)的容量，更好地滿足用戶對(duì)質(zhì)量的要求，其性能的好壞將直接影響到運(yùn)營(yíng)商的客戶體驗(yàn)及收益，是其取得成功的關(guān)鍵因素之一。
　解決室內(nèi)覆蓋的主要方法是建設(shè)室內(nèi)覆蓋分布系統(tǒng)，室內(nèi)分布系統(tǒng)的基本原理是將室外信號(hào)通過(guò)有線方式引入到室內(nèi)，再通過(guò)小型天線將信號(hào)發(fā)送出去，從而提高室內(nèi)覆蓋水平。TD-SCDMA是3G三大主流技術(shù)之一，TD-SCDMA室內(nèi)分布系統(tǒng)將是TD-SCDMA整個(gè)網(wǎng)絡(luò)建設(shè)的重點(diǎn)之一。本文將從一些工程經(jīng)驗(yàn)出發(fā)，分析TD-SCDMA室內(nèi)分布系統(tǒng)設(shè)計(jì)的特點(diǎn)，并總結(jié)出一些方法和技巧。

關(guān)鍵詞：3G；  TD-SCDMA;  室內(nèi)覆蓋
Abstract
3G is the charm of high-speed data and multimedia services, and video telephony, video streaming, gaming and other high-speed data services are usually occurred in a comfortable indoor environment, these business functions require a large network of system capacity and good quality. 3G era 60% to 70% of the data services will take place indoors, Europe and the United States and China, Hong Kong's statistics show that the total indoor mobile telephone traffic telephone traffic about 1 / 3; Japan's NTT DoCoMo's 3G user survey indoor use accounted for 70%, while only 30% of outdoor use. Of the operators, extensive use of indoor coverage system,Can compete for the indoor telephone traffic. NTT DoCoMo, Inc., the implementation of telephone traffic within the building indoor coverage increased 1.43 times. Indoor coverage can also be used to disperse the pressure over the network density areas, dense urban settlement covering high-end users, reduce the number of outdoor base stations and configured to reduce the overall interference level outside the network, thereby enhancing the capacity of the entire system to better meet user quality requirements, the performance is good or bad will have a direct impact on the operator's customer experience and revenue, is the key factor for success.
The main way to solve indoor coverage is to build indoor coverage distribution system, the basic principles of indoor distribution system is to outdoor signal through wire introduced into the room, then through a small antenna to send out the signal so as to enhance the level of indoor coverage. TD-SCDMA is one of the three 3G mainstream technology, TD-SCDMA indoor distribution system, TD-SCDMA will be one of the major construction of the entire network. Some works from this experience, analysis of TD-SCDMA indoor distribution system design features, and summarize some of the methods and techniques.
Key words：3G;  TD-SCDMA;   Indoor coverage
目 錄
摘 要 - 1 -
第1章 緒論 - 5 -
1.1 3G網(wǎng)絡(luò)室內(nèi)覆蓋系統(tǒng)的重要性 - 5 -
1.2 TD-SCDMA簡(jiǎn)介 - 6 -
1.2.1TD-SCDMA網(wǎng)絡(luò)試驗(yàn)和商用概況 - 8 -
1.2.2TD-SCDMA標(biāo)準(zhǔn)的現(xiàn)狀 - 10 -
1.2.3TD-SCDMA標(biāo)準(zhǔn)的后續(xù)發(fā)展 - 10 -
第2章 TD-SCDMA室內(nèi)覆蓋系統(tǒng)的組成 - 12 -
2.1信號(hào)源 - 13 -
2.2傳輸介質(zhì)和分布系統(tǒng) - 15 -
2.3元器件和天線 - 16 -
第3章 TD-SCDMA室內(nèi)覆蓋系統(tǒng)規(guī)劃與設(shè)計(jì) - 17 -
3.1組網(wǎng)原則及建設(shè)原則 - 17 -
3.1.1組網(wǎng)原則 - 18 -
3.1.2建設(shè)原則 - 18 -
3．2技術(shù)指標(biāo)要求 - 18 -
3.3 TD-SCDMA室內(nèi)覆蓋系統(tǒng)建設(shè)流程 - 19 -
第4章 容量配置方案 - 22 -
4.1人口密度和用戶密度估算 - 22 -
4.2室內(nèi)分布系統(tǒng)話務(wù)模型 - 23 -
4.2.1語(yǔ)音業(yè)務(wù) - 23 -
4.2.2可視電話業(yè)務(wù) - 24 -
4.2.3數(shù)據(jù)業(yè)務(wù) - 25 -
4.2.4典型場(chǎng)景容量預(yù)測(cè) - 26 -
4.3 TD-SCDMA室內(nèi)覆蓋信號(hào)源配置參考 - 26 -
第5章 覆蓋方案 - 28 -
5.1室內(nèi)傳播模型 - 28 -
5.2室內(nèi)覆蓋場(chǎng)強(qiáng)預(yù)測(cè)方法 - 29 -
5.3室內(nèi)覆蓋典型環(huán)境單天線覆蓋能力 - 30 -
5.4天線功率需求及布放原則 - 30 -
5.5天線布放參考 - 31 -
5.5.1客房樓層天線的布放 - 31 -
5.5.2辦公樓層的覆蓋 - 34 -
5.5.3大型辦公區(qū)域的覆蓋 - 37 -
5.5.4地下停車庫(kù)的覆蓋 - 39 -
5.5.5娛樂場(chǎng)所的覆蓋 - 40 -
5.5.6電梯的覆蓋 - 41 -
5.5.5衛(wèi)生間的覆蓋 - 43 -
5.6 TD-SCDMA室內(nèi)覆蓋信號(hào)源功率參考 - 46 -
第6章 TD-SCDMA與其他系統(tǒng)共用室內(nèi)覆蓋系統(tǒng) - 47 -
6.1系統(tǒng)如何合路 - 47 -
6.2功率匹配問(wèn)題 - 47 -
6.3TD-SCDMA與其它系統(tǒng)共用室內(nèi)分布系統(tǒng)的網(wǎng)絡(luò)規(guī)劃 - 48 -
6.4雙TD-SCDMA室內(nèi)分布系統(tǒng)時(shí)的網(wǎng)絡(luò)規(guī)劃 - 51 -
結(jié) 論 - 53 -
致 謝 - 54 -
參考文獻(xiàn) - 55 -