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The Researsch of Cooperation and Coding Technology in Virtual MIMO Relay System

Author: ZuoHaoQiu
Tutor: ZhangZhiJiang
School: Beijing University of Posts and Telecommunications
Course: Communication and Information System
Keywords: Cooperative diversity Coded Cooperation Amplify and forward Decoding forwarding MIMO
CLC: TN925
Type: Master's thesis
Year: 2010
Downloads: 130
Quote: 1
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Abstract


The emergence of the growth of the demand for wireless communications and mobile multimedia services , the future development of wireless communication requirements to achieve continuous coverage WAN support higher transmission rates . MIMO technology can improve the performance of the system has been widely recognized , but in practical applications , many terminal due to size restrictions , in the same terminal to install a plurality of antennas is more difficult . Sendonaris et al proposed the concept of cooperative diversity inspired by the repeater channel . Cooperative diversity shared with each other through a single - antenna user antenna between forwarding information for the other , between the multi-user transmit diversity . The agreement includes cooperative diversity amplify and forward , decode forwarding and coding collaboration , which coded cooperative to get better performance due to a combination of channel coding and collaboration technology diversity . Firstly, the introduction of cooperative diversity technology background , and analysis of the strengths and weaknesses of the cooperative diversity . Second , the article describes the basic agreement of several cooperative diversity , including zoom forward protocol decoding forwarding protocol , select the decoding relay protocol and incremental relaying protocol . And the error performance of the basic agreement and the outage probability theory . Again , the article will be orthogonal theory is applied to select the decoding relay improved protocol is proposed to select the decoding relay protocol - the orthogonal select decoding collaboration agreement . Incremental relaying ideas and coding collaboration , improved coding collaboration agreement - the incremental encoder collaboration agreement , and select the decoding relay protocol by simulation comparison and orthogonal select decode collaboration agreement , as well as coded cooperative agreement and incremental encoder collaboration agreement . Finally , the introduction of the the idea of distributed space-time coding , analysis of the advantages and disadvantages of various distributed encoding method and applicable scene .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Radio relay communications,microwave communications
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