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Research on GSM Target Network

Author: AiXiuQing
Tutor: YangJie
School: Beijing University of Posts and Telecommunications
Course: Electronics and Communication Engineering
Keywords: A mobile communication system Evolution GSM Target Network
CLC: TN929.532
Type: Master's thesis
Year: 2010
Downloads: 11
Quote: 1
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Abstract


This paper first introduces the evolution of the mobile communication system, through a variety of standard contrast to the second and third generation mobile communication system, a more comprehensive description of the composition, technology development and characteristics of a variety of standard mobile communication system. The outlook for the next generation mobile communication system, the comprehensive functions of this system and its key technology in detail. In the context of the mobile communication system replacement, operators need a more rational allocation of resources, to further improve the effectiveness of GSM network construction investment. China's mobile communication network has been put into operation since 1987, the number of users has maintained a high growth rate. Corresponding with the growing user demand, the provinces, municipalities, are speeding up the construction of the GSM network expansion project. 3G approaches need to be careful to invest the resources of the selected sites, in order to avoid the risk of 2G investment. Wuhan, Hubei GSM digital mobile communication network, for example, from four different aspects of the coverage, capacity, high-speed rail coverage and Scenic Outlook GSM ultimate size of the sites, and combined with the existing network simulation software Atol given 1474 planning the proposed location of the site. Coverage Wuhan is divided into four different coverage environment, Okumura-Hata model for link analysis, we get a cell radius of four to cover the scene, combined with the existing network planning site. Capacity, forecast the Wuhan cell traffic and carrier frequency up to 2011, the proposed new co-location or different address base station, or the use of depth of coverage to solve the capacity problem on high-traffic area. Depth coverage of highways, railways, covered by the analysis in the environment of high-speed movement GSM signal propagation characteristics of the signal, the Wuhan high-speed, the scene of the airport highway and rail motor car base station coverage radius. Coverage Wuhan 3A sights and sites for analysis and planning of new sites. The site to determine the final station, Wuhan Mobile can optimize the layout of the site on the one hand, to avoid blind Website; On the other hand you can reserve sites in advance, accelerate the construction progress, to improve their competitiveness. In the 3G era, Wuhan Mobile will have a G network coverage, more money and energy into the construction of 3G, and ultimately achieve the purpose of saving 2G investment.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets ) > Time Division Multiple Access (TDMA) mobile communications
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