發(fā)布時(shí)間：2018-10-05 07:30

【摘要】：隨著網(wǎng)絡(luò)優(yōu)化工作重要性的日益體現(xiàn),網(wǎng)絡(luò)優(yōu)化的技術(shù)也不斷地得到改進(jìn)和發(fā)展,21世紀(jì)的高速率、大容量、高質(zhì)量、全球化多媒體移動(dòng)通信網(wǎng)的目標(biāo),使網(wǎng)絡(luò)優(yōu)化與管理已經(jīng)成為近幾年發(fā)展迅速的熱點(diǎn)研究領(lǐng)域。由于WCDMA使用碼分多址技術(shù),是一個(gè)自干擾系統(tǒng),存在遠(yuǎn)近效應(yīng)、導(dǎo)頻污染等問題,有必要進(jìn)行網(wǎng)絡(luò)優(yōu)化,使系統(tǒng)性能得到不斷改善,提供最優(yōu)的服務(wù)質(zhì)量,即獲得最佳的覆蓋、滿意的信號(hào)強(qiáng)度、最佳的通話質(zhì)量和最低的掉話率等。文章首先從WCDMA的系統(tǒng)講起,介紹了WCDMA的系統(tǒng)結(jié)構(gòu)、主要技術(shù),著重講述了切換技術(shù)和功率控制。WCDMA無線網(wǎng)絡(luò)優(yōu)化的主要目的是盡可能提高網(wǎng)絡(luò)性能,以滿足不斷變化和發(fā)展的業(yè)務(wù)需求。使無線網(wǎng)絡(luò)能夠覆蓋最大的需求面,在覆蓋面內(nèi)信號(hào)具有滿意的強(qiáng)度,可以提供高質(zhì)量的通話,使掉話率達(dá)到最低,從而不斷改善系統(tǒng)性能。網(wǎng)絡(luò)資源應(yīng)該如何分配才能實(shí)現(xiàn)最佳配置,使網(wǎng)絡(luò)的服務(wù)質(zhì)量得到保障;如何建立網(wǎng)絡(luò)問題的相應(yīng)機(jī)制。針對(duì)該網(wǎng)絡(luò)優(yōu)化問題,本文開展了以下工作:本文在介紹WCDMA網(wǎng)絡(luò)優(yōu)化問題基礎(chǔ)上,討論了WCDMA網(wǎng)絡(luò)掉話的類型和主要優(yōu)化方法。通過鄰區(qū)漏配、弱覆蓋、切換、干擾等典型導(dǎo)致掉話等案例分析進(jìn)行了網(wǎng)絡(luò)優(yōu)化,實(shí)現(xiàn)了優(yōu)化WCDMA網(wǎng)絡(luò)的性能的目的,達(dá)到了優(yōu)化網(wǎng)絡(luò)環(huán)境、確保安全運(yùn)營(yíng)、提升處理速度,使網(wǎng)絡(luò)運(yùn)轉(zhuǎn)處于良好狀態(tài)的效果。
[Abstract]:With the increasing importance of network optimization, network optimization technology has been continuously improved and developed in the 21st century high speed, large capacity, high quality, global multimedia mobile communication network goals, Network optimization and management has become a hot research field in recent years. Because WCDMA uses code division multiple access (CDMA) technology, which is a self-interference system, there are many problems such as near-far effect, pilot pollution and so on. It is necessary to optimize the network so as to improve the system performance and provide the best quality of service, that is, to obtain the best coverage. Satisfactory signal strength, optimal call quality and minimum drop rate, etc. This paper begins with the system of WCDMA, introduces the system structure and main technology of WCDMA, emphasizes on the switching technology and the main purpose of power control. WCDMA wireless network optimization is to improve the network performance as much as possible. To meet changing and growing business needs. The wireless network can cover the maximum demand side, the signal in the coverage has satisfactory intensity, can provide the high quality call, make the drop rate reach the lowest, thus continuously improve the system performance. How to allocate the network resources to achieve the best allocation, so that the quality of service of the network can be guaranteed, and how to establish the corresponding mechanism of network problems. The main work of this paper is as follows: based on the introduction of WCDMA network optimization problem, this paper discusses the types and main optimization methods of WCDMA network call drop. The network optimization is carried out through the analysis of some typical cases, such as missing distribution, weak coverage, handoff, interference and so on. The purpose of optimizing the performance of WCDMA network is realized, and the network environment is optimized, the safe operation is ensured, and the processing speed is improved. The effect of keeping the network running in good condition.
【學(xué)位授予單位】：天津大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN929.53

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本文編號(hào)：2252528