河南通信郑州分公司WCDMA系统无线网络规划
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摘要
90年代初,自我国引进移动通信系统以来,移动通信市场蓬勃发展。尤其是以第二代移动通信技术(GSM)为主导的移动通信市场迅速扩大,移动用户总量、业务收入高速增长,导致固网运营商传统语音业务分流严重,通信业务收入增长缓慢、利润空间急剧压缩。而基于CDMA技术的第三代移动通信系统以其高频谱效率、支持信息速率高达2Mbit/s的数据业务能力、可变比特速率以及能提供更好服务质量等特性,是今后全业务电信运营商网络发展和业务领先的方向。
     本论文中着重阐述了三个方面的内容,首先是规划的总体流程设计,然后是链路预算参数的确定及链路预算,最后是通过预规划结果进行实地的勘察,论文中采取“预规划-站址勘察-通过仿真结果进行优化-再规划”的过程,希望形成的无线网络建网方案对今后的网络建设中具有一定指导意义。该无线网络规划主要内容包括无线网络规划总体流程设计、规划数据采集、无线网络建设目标确定、建网原则和覆盖策略分析、无线网络预规划、站址选择/勘察、小区参数配置调整与系统仿真等内容,最终确定无线网络建设方案。
     本次无线网络规划在规划流程及内容上力求全面完整;在规划数据采集、小区参数配置调整等阶段利用部分WCDMA系统试验网数据,无线网络的预规划阶段及系统仿真借助第三方规划软件。
The mobile communication market has experienced a flourish growth since mobile network system was introduced into china at the beginning of 90s. The traditional voice business of fixed netwrok operator suffered a serious income and profit decline due to the speedy expansion of the GSM mobile network, whose subscriber amount and income increased very fast. The 3rd generation mobile network based on CDMA technology, which excels in high frequency efficiency, variable bit rate, and 2M high-speed information transmiting, is able to provide better service and will be the trend of network development for full-service operator.
     This thesis emphasizes three aspects of content, including firstly the total flow designing of planning, secondly the link budgeting and the parameters decision, and thirdly the site surveying according to the result of pre-planning. Based on this thesis, the expected radio network construction scheme by the process of "pre-planning - site survey -optimization according to the imitate. The content of this Radio Network Planning includes total planning flow designing, planning data collecting, radio network construction target setting, network construction principle and covering strategy analyzing, radio network pre-planing, site selecting and surveying, cell parameter configuration adjusting, system imitating and the finally radio network construction scheme concluding.
     In this radio network planning, I am striving for the integerity of planning flow and content. A part of WCDMA trial network data are used in the phase of planning data collecting and cell parameter configuration adjusting. The third-party planning software is used in the phase of pre-planing and system imitating.
引文
(1)杨峰义,覃燕敏,胡强,WCDMA无线网络工程,人民邮电出版社,2004
    (2)Holma,H.(芬)Toskala,A.(芬),WCDMA技术与系统设计,北京机械工业出版社,2002
    (3)罗凌等,第三代移动通信技术与业务,人民邮电出版社,2005
    (4)上海贝尔阿尔卡特股份有限公司,WCDMA系统无线网络设计与规划,2004
    (5)张红,张华生,WCDMA网络优化与无线资源管理,移动通信,2005年第四期
    (6)孙研,移动通信网络优化的发展方向,电信工程技术与标准,2005年第三期
    (7)禹帆,无线通信网络概论,清华大学出版社,2002
    (8)Jaana Laiho,Achim Wacder,Tomas Novocad UMTS无线网络规划与优化,电子工业出版社,2004

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