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Research on Outer Loop Power Control Algorithm Based on Fuzzy Theory in TD-SCDMA System

Author: LiQin
Tutor: SunYi
School: North China Electric Power University (Beijing)
Course: Communication and Information System
Keywords: TD-SCDMA Power Control System capacity Outer loop power control Information Fusion Fuzzy Theory
CLC: TN929.533
Type: Master's thesis
Year: 2011
Downloads: 19
Quote: 0
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Abstract


With the advent of the 21st century , the world has entered the information age, a higher update requirements of communication . TD-SCDMA 3G standard , China has independent intellectual property rights in the country by a broad and strong attention . This paper studies the basic principles and methods of power control and its use of the TD-SCDMA system , in-depth study of the inner loop power control and outer loop power control algorithm . In the study based on the fuzzy control theory , the combination of fuzzy control and the outer loop power control features , and an outer loop power control based on continuous fuzzy control algorithm . In addition, the multi-source information fusion technology and fuzzy theory triangular norm operator , a triangular norm operator outer loop power control algorithm . Finally , based on MATLAB Simulink platform , simulation this paper, the two outer loop power control algorithm . Compared with the existing outer loop power control algorithm , the proposed algorithm has reasonable step to set flexible SIR target to try to meet the minimum quality of service requirements , to reduce interference to other users , and to ensure that the good performance of the system to improve the system capacity, the experimental results demonstrate the superiority of the algorithm .

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