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Documents 基站覆盖延伸系统在无线网络覆盖优化中的应用研究
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  • Author Author: sophie0love
  • Date Created: 28 Nov 2010 3:45 AM Date Created
  • Last Updated Last Updated: 9 Nov 2021 4:53 PM
  • Views 420 views
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基站覆盖延伸系统在无线网络覆盖优化中的应用研究

随着人们通信消费水平的提高,人们对移动通信的需求与日俱增,对移动通信质量的要求越来越高,这就要求运营商改善移动通信网质量,扩大覆盖范围。如何改善移动通信网质量,扩大覆盖范围,已成为各运营商的一个重要课题。本文提出采用基站覆盖延伸系统的解决方案,可解决运营商对无线网络深度覆盖和广度覆盖的要求,它一方面可以使正在建设的基站数目减少,另一方面用在已建好的基站上时,可使基站覆盖更大的范围,从而改善现有网络的运行质量,提高用户满意度。 基站覆盖延伸系统由基站功率放大器、塔顶放大器及供电系统和相应的监控单元组成,它是通过在基站机房内加装大功率超线性功率放大器放大下行信号,增强信号对遮挡物的穿透力,达到扩大基站覆盖区域的目的;并在接收系统前端增加塔顶放大器配合基站功率放大器提高上行接收灵敏度,解决基站上下行链路平衡,达到降低基站上行噪声、提升上行增益,改善基站接收性能的目的。 为解决目前基站载波数量增多,容量大,覆盖范围小的问题,本文在研究了多载波功率放大器的功能和特点后,提出了一种采用多载波功率放大器的基站覆盖延伸系统解决方案,能很好的改善移动通信网质量,扩大覆盖范围。本文还通过实际网络测试,对基站覆盖延伸系统的应用效果和影响进行了分析评估。此外,为解决普通基站覆盖延伸系统没有远程监控功能的问题,本文还提出和设计了具有远程监控功能的监控系统,并对其功能进行操作,能为维护工程师提供远程告警信息查询和参数设置。

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image基站覆盖延伸系统在无线网络覆盖优化中的应用研究.pdf
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