基于載波池技術(shù)的GSM網(wǎng)絡(luò)室內(nèi)分布優(yōu)化
發(fā)布時間:2018-02-22 03:39
本文關(guān)鍵詞: GSM系統(tǒng) 室內(nèi)分布 無線網(wǎng)絡(luò)優(yōu)化 載波池 協(xié)議 接口 DT測試 CQT測試 話務(wù)擁塞 出處:《南京理工大學(xué)》2014年碩士論文 論文類型:學(xué)位論文
【摘要】:隨著現(xiàn)代化城市住宅和辦公布局的分離和延展,人們生活方式的規(guī)律化和移動化正逐步形成固定模式。而現(xiàn)代人的電話通信方式在這種模式的影響下,面臨著手機(jī)無法正常通話、遇忙掉話、通話質(zhì)量差等諸多問題,尤其在大型寫字樓、商場內(nèi)部以及高話務(wù)量的校園樓宇中出現(xiàn)。而究其問題本身,是由于運營商電話通信業(yè)務(wù)短時間內(nèi)無法滿足突發(fā)性增長和話務(wù)量驟然增加造成的。針對這一問題,本論文考慮通過載波池技術(shù)在GSM室內(nèi)分布建設(shè)中的應(yīng)用,從而達(dá)到解決校園話務(wù)擁塞的目的。論文首先從GSM系統(tǒng)的發(fā)展、構(gòu)成以及原理等方面講起,著重于GSM系統(tǒng)是通過L1、L2、L3協(xié)議和Sm、Um、A接口進(jìn)行作業(yè);其次,講述了無線網(wǎng)絡(luò)優(yōu)化技術(shù)的概念、作用和基本構(gòu)成,詳細(xì)闡述6種無線網(wǎng)絡(luò)優(yōu)化的抗話務(wù)沖擊實施方案(半速率,載波調(diào)整,小區(qū)合并, 小區(qū)分裂, 小區(qū)負(fù)荷分擔(dān), 載波池)以及測試工具和方法(DT測試和CQT測試);第三,深入討論在移動無線領(lǐng)域所應(yīng)用的載波池技術(shù),指出載波池是基于光纖直放站技術(shù)的產(chǎn)生,包括硬件(遠(yuǎn)端和近端)和軟件(監(jiān)控和切換)兩個系統(tǒng)。以及應(yīng)用范圍(周期性話務(wù)量高及突發(fā)性話務(wù)量高的區(qū)域)和設(shè)計方法,包含依據(jù)、標(biāo)準(zhǔn)和思路;第四,引入室內(nèi)分布系統(tǒng)作為載波池技術(shù)運用的平臺,介紹信號分布方式:無源天饋分布、有源分布、光纖分布和泄漏電纜分布方式,室內(nèi)分布系統(tǒng)技術(shù)(室內(nèi)電磁傳播模型、室內(nèi)分布系統(tǒng)的噪聲分析、室內(nèi)分布系統(tǒng)的上下行平衡)以及室內(nèi)分布系統(tǒng)方案的設(shè)計與測試方法;最后,在我的設(shè)計論文中,通過對鄭州澍青醫(yī)學(xué)高等?茖W(xué)校學(xué)校信號場強(qiáng)、話務(wù)量測試情況的介紹和分析,設(shè)計了關(guān)于鄭州澍青醫(yī)學(xué)高等?茖W(xué)校采用載波池室內(nèi)分布技術(shù)解決話務(wù)擁塞的方案,實施并且開通測試,達(dá)到了解決問題的目的,從而證明了載波池系統(tǒng)在GSM室內(nèi)分布網(wǎng)絡(luò)優(yōu)化中的成功應(yīng)用。通過本文的討論,載波池技術(shù)在室分領(lǐng)域得到了充足發(fā)展,起到解決周期性話務(wù)量高及突發(fā)性話務(wù)量高的目的,最終為運營商資源有效利用和網(wǎng)絡(luò)覆蓋優(yōu)化發(fā)揮了重要價值。
[Abstract]:With the separation and extension of modern urban residential and office layout, the regularization and mobility of people's way of life are gradually forming a fixed mode. Faced with many problems, such as the inability of mobile phones to speak normally, busy calls, poor quality of calls, and so on, especially in large office buildings, shopping malls and high-volume campus buildings. But the problem itself, The reason is that the telephone communication service can not meet the sudden growth and traffic increase in a short period of time. In view of this problem, this paper considers the application of carrier pool technology in the construction of GSM indoor distribution. In order to solve the congestion of campus traffic, the thesis begins with the development, structure and principle of GSM system, and emphasizes that the GSM system is operated through the L1 / L2 / L3 protocol and SmallUmBU / A interface. This paper describes the concept, function and basic structure of wireless network optimization technology, and describes in detail six kinds of wireless network optimization anti-traffic impact implementation schemes (half-rate, carrier adjustment, Cell merging, cell splitting, cell load sharing, carrier pool) and test tools and methods DT test and CQT test. It is pointed out that the carrier cell is based on the technology of optical fiber repeater, including hardware (remote and near end) and software (monitoring and switching), as well as the application range (the area with high cyclic traffic and sudden traffic) and the design method. Including the basis, standards and ideas; 4th, the introduction of indoor distribution system as the platform for the application of carrier cell technology, the introduction of signal distribution: passive antenna distribution, active distribution, optical fiber distribution and leakage cable distribution, Indoor distribution system technology (indoor electromagnetic propagation model, indoor distribution system noise analysis, indoor distribution system up and down balance) and indoor distribution system scheme design and test methods; finally, in my design paper, Based on the introduction and analysis of signal field strength and traffic test in Zhengzhou Shu Qing Medical College, a scheme of using carrier pool indoor distribution technology to solve traffic congestion in Zhengzhou Shu Qing Medical College is designed. It is proved that the carrier cell system has been successfully applied in the optimization of GSM indoor distribution network. Through the discussion in this paper, the carrier cell technology has been fully developed in the field of chamber division. To solve the problem of high cyclic traffic and sudden traffic, it plays an important role in the efficient utilization of carrier resources and the optimization of network coverage.
【學(xué)位授予單位】:南京理工大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2014
【分類號】:TN929.532
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