Cooperative relaying is one of the promising technology which is used to improve coverage and spatial diversity. A new relay strategy, the N Best-Relay Selection scheme is proposed to improve the bandwidth penalty and to increase the spatial diversity by using a sub-optimal allocation for the relay relative distance between the source and destination in a multi-hop cooperative systems. A single...

Channel capacity; Decode-and-forward; Half-duplex; Iterative decoding; Polar coding; Relay channel Abstract In this paper, a novel transmission protocol based on polar coding is proposed for the half-duplex degraded relay channel. In the proposed protocol, referred to as the partial message relaying, the relay only needs to forward a part of the decoded source message that the destination needs...