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Research and Implementation of the Key Technologies of the New Cell Planning in GSM Network

Author: SuChao
Tutor: ZhangZuoHua
School: Beijing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: GSM network dimensioning the new cell planning neighborhood planning frequency planning BSIC planning
CLC: TN929.532
Type: Master's thesis
Year: 2011
Downloads: 41
Quote: 0
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Abstract


GSM network has now developed into a wide coverage, high capacity of mature network. However, due to the need for coverage, GSM network expansion has not stopped the construction of the new cell during each year. As China’s urban construction, the ongoing transformation of urban and rural, different scale population movements, as well as the continuous construction of tall buildings, GSM network communication environment in constant change, we need to keep on the GSM network planning and optimization. At present, the main planning software is based on the whole network, which need to collect information and so on and requires a lot of time.The relatively common method is to manually go to distribution, which wastes a lot of manpower.The traditional way to allocate the frequencies to new cells of in-service GSM network is always manually. The shortcoming is time-consuming, and the veracity is not satisfied. This paper presents an innovative algorithm of fully automatic frequency planning for the new cells. The proposal uses the triangulation principle to stratify the cell sites in GIS map to confirm the list of neighbor cells, and then analyses the frequency interference due to the antenna azimuth angles and information of cell sites to allocate best frequency with the minimum interference to the new cells. This method needn’t modify the frequencies used by the existing cells. It has been verified in a real GSM network and achieved high accurateness.This paper describes the new status quo of the new cell planning in GSM network, then introduced the GSM network system and the GSM network planning and optimization concepts and methods, and then introduces the new cell in GSM network neighborhood planning, frequency planning and BSIC planning Basic principles, detailed process and key technologies, and the function realization in a network optimization system, which have been tested in the current network. Finally, the article made a number of ways to improve.

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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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