Relay Sensors Selection in Wireless Communication: Bit Error Rate Analysis

Abstract

Cooperative communication system, which make use of the intermediate relays between the transmitter and the receiver, have been employed as an effective technique to combat the channel fading and to enhance system performance. Cooperative systems have some drawbacks such as high latency and diversity order not guaranteed. To alleviate the negative effects of these factors, relay selection protocol is employed in cooperative communication systems to increase overall cooperative system performance. Relay selection in the cooperative systems enables the source to cooperate with the single relay node rather than multiple relay nodes which guaranteed the diversity order.