Extension of the Coverage Region of Multiple Access Channels by Using a Relay
Publish place: Journal of Communication Engineering، Vol: 4، Issue: 1
Publish Year: 1394
Type: Journal paper
Language: English
View: 358
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Document National Code:
JR_JCESH-4-1_001
Index date: 14 October 2019
Extension of the Coverage Region of Multiple Access Channels by Using a Relay abstract
From practical and theoretical viewpoints, performance analysis of communication systems by using information-theoretic results is important. In this paper, based on our previous work on Multiple Access Channel (MAC) and Multiple Access Relay Channel (MARC), we analyze the impact of a relay on the fundamental wireless communications concept, i.e., coverage region of MARC, as a basic model for uplink communications between a base station and users with the help of a relay. This analysis includes the coverage region for the MAC as a special case. Considering rate regions for the Gaussian MARC and fading Gaussian MARC, it is proved that in a fixed transmission rate, the relay extends coverage region of the MARC. Numerical illustrations confirm our theoretical results.
Extension of the Coverage Region of Multiple Access Channels by Using a Relay Keywords:
multiple access relay channel , Coverage region , Fixed desired transmission rates , Cellular network
Extension of the Coverage Region of Multiple Access Channels by Using a Relay authors