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The Research of Multi-user Detection Technique in the TD-SCDMA Trunking System

Author: ZhaoLinLin
Tutor: ShaoShiXiang
School: Nanjing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: TD-SCDMA Trunking communication system Multi-user detection Macrodiversity Interference coordination technology
CLC: TN929.533
Type: Master's thesis
Year: 2012
Downloads: 20
Quote: 0
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Abstract


TD. scDMA wireless access technology based on 3GPP international standards with independent intellectual property rights in China , the introduction of 3G technology, trunking communication system to meet the future trends of the trunking communication system . Based on the work of the cluster communication characteristics of multi-user detection technology in TD . trunking communication system in scDMA proposed for the TD. multiuser detection algorithm scDMA cluster system . Firstly, an overview of the multi-user detection technology , detailed introduced the TD . scDMA cellular system , the basic parameters of the physical layer and the key technology and cellular communications systems and trunking communication system were compared with analysis , given TD . scDMA trunking communication system network architecture diagram . The papers in the establishment of the TD . cellular systems on the scDMA , downlink data transmission model based on cellular systems several typical multi-user detection algorithm research, and to do a comparative analysis of performance simulation . The paper focuses on the multi-user detection technology in TD . scDMA cluster system . The papers will be multi-user detection technology introduced to the TD . scDMA cluster system , the establishment of a mathematical model of the downlink data transmission , multi- cell joint detection algorithm simulation analysis , simulation results show that the multi-cell joint detection technology can effectively solve the TD . scDMA cluster cluster system downlink multipoint communication multi-cell interference problem. Paper also macro diversity and multi-user detection techniques , interference cancellation block balanced detection technology , multi- cell interference coordination technology and multi- user detection technology algorithm program joint use of these methods in the TD . under scDMA cluster system environmental performance simulation analysis and comparison of the results shows that these programs have a better system performance .

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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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