【摘要】：WLAN已經(jīng)成為國(guó)內(nèi)三大運(yùn)營(yíng)商的建網(wǎng)重點(diǎn),運(yùn)營(yíng)商對(duì)WLAN網(wǎng)絡(luò)的建設(shè)已經(jīng)從初期的建設(shè)期發(fā)展為建設(shè)與運(yùn)營(yíng)并行考慮的時(shí)期,既要考慮如何在擴(kuò)建、提速下有效維護(hù)、優(yōu)化WLAN網(wǎng)絡(luò),實(shí)現(xiàn)高可靠運(yùn)營(yíng),又要考慮如何提高用戶感知,以及通過對(duì)海量的數(shù)據(jù)流量?jī)r(jià)值的挖掘分析為運(yùn)營(yíng)商最終帶來更高運(yùn)營(yíng)收入。 本文的目標(biāo)是實(shí)現(xiàn)WLAN無線寬帶局域網(wǎng)運(yùn)行質(zhì)量的電子化分析平臺(tái),成為WLAN網(wǎng)絡(luò)應(yīng)用分析的有力工具,承擔(dān)WLAN網(wǎng)絡(luò)運(yùn)行數(shù)據(jù)采集、運(yùn)行質(zhì)量分析,網(wǎng)絡(luò)分析結(jié)果可以幫助網(wǎng)絡(luò)優(yōu)化人員實(shí)時(shí)了解信號(hào)熱點(diǎn)的用戶數(shù)、用戶的訪問質(zhì)量和帶寬使用情況等,綜合判斷網(wǎng)絡(luò)運(yùn)行效率,清晰顯示出需要優(yōu)化的網(wǎng)絡(luò)環(huán)節(jié)以及進(jìn)一步構(gòu)建和完善WLAN網(wǎng)絡(luò)優(yōu)化模型庫、知識(shí)庫,為WLAN網(wǎng)絡(luò)規(guī)劃、工程建設(shè)提供有力的工具支撐。 本文的主要工作包括： 1.首先詳細(xì)分析了系統(tǒng)需要實(shí)現(xiàn)的基本功能,對(duì)系統(tǒng)進(jìn)行總體體系結(jié)構(gòu)的研究,采用分層模型分別開發(fā)系統(tǒng)各組成模塊,提高了系統(tǒng)的可擴(kuò)展性。 2.研究和實(shí)現(xiàn)了系統(tǒng)的數(shù)據(jù)采集模塊,基于SNMP協(xié)議和MIB庫的基本原理,利用Java多線程技術(shù)從廠商設(shè)備中獲取數(shù)據(jù),將數(shù)據(jù)解析后獲得的設(shè)備屬性數(shù)據(jù)存入數(shù)據(jù)庫的各個(gè)表中,為接下來的數(shù)據(jù)分析提供數(shù)據(jù)基礎(chǔ)。 3.完成了系統(tǒng)的數(shù)據(jù)處理模塊的研究和實(shí)現(xiàn),針對(duì)WLAN網(wǎng)絡(luò)的海量數(shù)據(jù)采用分批處理的思想,提高數(shù)據(jù)處理效率,對(duì)采集到的數(shù)據(jù)進(jìn)行告警判斷和告警發(fā)送、數(shù)據(jù)計(jì)算處理等操作,實(shí)現(xiàn)了向網(wǎng)絡(luò)管理人員顯示性能指標(biāo)參數(shù)的功能,是WLAN網(wǎng)絡(luò)優(yōu)化實(shí)現(xiàn)的關(guān)鍵。 4.對(duì)WLAN網(wǎng)絡(luò)優(yōu)化進(jìn)行了研究學(xué)習(xí),并從覆蓋優(yōu)化、頻率優(yōu)化、容量?jī)?yōu)化等方面總結(jié)了進(jìn)行WLAN網(wǎng)絡(luò)優(yōu)化的原則,并結(jié)合WLAN網(wǎng)絡(luò)常出現(xiàn)的網(wǎng)絡(luò)問題提出相應(yīng)的網(wǎng)絡(luò)優(yōu)化方案,并測(cè)試了網(wǎng)絡(luò)優(yōu)化的效果,保證了優(yōu)化系統(tǒng)的實(shí)用性。 本論文的工作成果已經(jīng)在河南省移動(dòng)公司投入了使用,取得了良好的運(yùn)行效果,在給運(yùn)營(yíng)商帶來收益的同時(shí),也提高了WLAN網(wǎng)絡(luò)的服務(wù)質(zhì)量,更好的為WLAN用戶提供服務(wù)。
[Abstract]:WLAN has become the focal point of the three major domestic operators. The construction of WLAN network has been developed from the initial period of construction to the period of concurrent construction and operation. It is necessary to consider how to effectively maintain and optimize the WLAN network under the condition of expansion and speed up. In order to achieve high reliable operation, we should consider how to improve the user perception, and through mining and analyzing the massive data traffic value, we should bring higher operating income to the operators. The goal of this paper is to realize the electronic analysis platform of WLAN operation quality, and become a powerful tool for WLAN network application analysis. It undertakes the data acquisition and quality analysis of WLAN network operation. The results of network analysis can help network optimizers to understand the number of users, access quality and bandwidth usage of signal hotspots in real time, and to judge the efficiency of the network. It clearly shows the network links that need to be optimized and the further construction and improvement of WLAN network optimization model base, knowledge base, which provides powerful tool support for WLAN network planning and engineering construction. The main work of this paper includes: 1. Firstly, the basic functions of the system are analyzed in detail, and the overall architecture of the system is studied. Each component module of the system is developed using the hierarchical model, which improves the extensibility of the system. 2. The data acquisition module of the system is studied and implemented. Based on the SNMP protocol and the basic principle of MIB library, the data is obtained from the manufacturer's equipment by using Java multithreading technology, and the device attribute data obtained after the data parsing is stored in each table of the database. For the next data analysis to provide a data base. 3. The research and implementation of the data processing module of the system is completed. The idea of batch processing is adopted for the massive data of WLAN network, the efficiency of data processing is improved, the collected data is judged and sent by alarm, and the operation of data calculation and processing is carried out. The function of displaying performance index parameters to network manager is realized, which is the key of WLAN network optimization. 4. This paper studies the optimization of WLAN network, summarizes the principles of WLAN network optimization from the aspects of coverage optimization, frequency optimization and capacity optimization, and puts forward the corresponding network optimization scheme combining with the network problems that often occur in WLAN network. The effect of network optimization is tested to ensure the practicability of the optimization system. The work of this paper has been put into use in Henan Mobile Company, and has achieved a good operation effect. It not only brings benefits to operators, but also improves the service quality of WLAN network, and provides better service for WLAN users.
【學(xué)位授予單位】：北京交通大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TN925.93

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