Diversity-Multiplexing Tradeoff of Fading Interference Channels With Source Cooperation and Partial CSIT
作者： Qian Li , Kwok H Li , Kah C Teh , None
关键词: Channel state information 、 Upper and lower bounds 、 Transmission (telecommunications) 、 Telecommunications 、 Multiplexing 、 Decoding methods 、 Transmitter 、 Fading 、 Antenna (radio) 、 Channel capacity 、 Computer science 、 Communication channel 、 Topology
摘要: In this paper, diversity-multiplexing tradeoff (DMT) of the delay-limited symmetric two-user single-antenna fading interference channel (IFC) with source cooperation is evaluated under both full-duplex and half-duplex constraints. The signal desired received by each destination node are assumed to be comparable strength. Under constraint, DMT upper lower bounds derived shown tight, i.e., bound meets bound. A full characterization thus established. using capacity obtained based on our proposed transmission schemes. schemes only require partial state information at transmitter side (CSIT), making them suitable for practical applications. Specifically, scheme designed CSIT letting represent magnitude its incoming links 1 bit feed back sources. case, requires no more than 3 bits feedback link. Our results show that can notably improve system diversity performance over whole multiplexing gain region even constraint.
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