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access icon free Polar coded space–time block coded spatial modulation based on Plotkin's construction for coded cooperative networks

© The Institution of Engineering and Technology
Received 20/06/2017, Accepted 04/11/2017, Revised 09/09/2017, Published 08/11/2017

A Plotkin-based polar coded space–time spatial modulation scheme is proposed and its bit error rate (BER) performance over quasi-static Rayleigh fading channel is evaluated. The exacerbated complexity in receiver design is ameliorated by employing a low complexity soft demapper for their proposed Plotkin-based polar coded scheme. As there is a natural split present in the design of the considered Plotkin's construction, therefore the authors effectively extended their proposed scheme to coded-cooperative scenarios. In any coded-cooperative communication, the relay node always plays a pivotal role in determining the BER performance of communication system. Therefore, a rational selection criterion for selecting the information bits at the relay node is presented. The authors have also devised nested polar coded-cooperative space–time spatial modulation (NPCCST-SM) scheme as a useful benchmark. Monte-Carlo simulated results revealed that their proposed coded-cooperative scheme has triumphed conventional NPCCST-SM scheme by a gain of 0.6–0.8 dB under identical conditions. Moreover, the proposed cooperative scheme outperforms its corresponding non-cooperative counterpart scheme by a gain of 1–1.2 dB under identical conditions.

Inspec keywords: error statistics; radio receivers; space-time block codes; modulation coding; relay networks (telecommunication); linear codes; Rayleigh channels; channel coding; cooperative communication; error correction codes; Monte Carlo methods

Other keywords: nested polar coded-cooperative space–time spatial modulation scheme; receiver design; BER performance; NPCCST-SM scheme; coded cooperative networks; bit error rate performance; quasistatic Rayleigh fading channel; Plotkin construction; coded-cooperative communication; Monte Carlo simulation; gain 1 dB to 1.2 dB; polar coded space–time block coded spatial modulation; Plotkin-based polar coded space–time spatial modulation scheme; rational selection criterion; low complexity soft demapper; information bits selecting; gain 0.6 dB to 0.8 dB; relay node

Subjects: Monte Carlo methods; Radio links and equipment; Codes

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