SR-DCSK Cooperative Communication System with Code Index Modulation: A New Design for 6G New Radios
Yi Fang, Wang Chen, Pingping Chen, Yiwei Tao, Mohsen Guizani

TL;DR
This paper introduces a novel high-throughput cooperative communication system using code index modulation with SR-DCSK, enhancing data rates for 6G applications without sacrificing error performance.
Contribution
It proposes a new CIM-SR-DCSK-CC system that superimposes relay information onto source signals using Walsh codes, improving throughput over existing systems.
Findings
Significant throughput improvement over traditional DCSK-CC systems.
Derived BER expressions for AWGN and Rayleigh fading channels.
Maintains error performance while increasing data rate.
Abstract
This paper proposes a high-throughput short reference differential chaos shift keying cooperative communication system with the aid of code index modulation, referred to as CIM-SR-DCSK-CC system. In the proposed CIM-SR-DCSK-CC system, the source transmits information bits to both the relay and destination in the first time slot, while the relay not only forwards the source information bits but also sends new information bits to the destination in the second time slot. To be specific, the relay employs an -order Walsh code to carry additional information bits, which are superimposed onto the SR-DCSK signal carrying the decoded source information bits. Subsequently, the superimposed signal carrying both the source and relay information bits is transmitted to the destination. Moreover, the theoretical bit error rate (BER) expressions of the proposed CIM-SR-DCSK-CC…
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Taxonomy
TopicsNeural Networks Stability and Synchronization · Advanced Memory and Neural Computing · Chaos control and synchronization
