Work

Ultra-Reliable Short-Packet Communications: Half-Duplex or Full-Duplex Relaying?

Year: 2017

Type: article

Abstract: This letter analyzes and compares the performance of full-duplex relaying (FDR) and half-duplex relaying (HDR) for ultrareliable short-packet communications. Specifically, we derive both approximate and asymptotic closed-form expressions of the block error rate (BLER) for FDR and HDR using short packets with finite blocklength codes. We define and attain a closed-form expression of a critical BLER, which can be used to efficiently determine the optimal duplex mode for ultrareliable low latency communication scenarios. Our results unveil that FDR is more appealing to the system with relatively lower transmit power constraint, less stringent BLER requirement, and stronger loop interference suppression.

Source: IEEE Wireless Communications Letters

DOI: 10.1109/lwc.2017.2777857

Authors: Yifan Gu, He Chen, Yonghui Li, Branka Vucetic

Institution: The University of Sydney

Language: English

Topic: Full-Duplex Wireless Communications

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDG: Industry, innovation and infrastructure

Open Access status: green

Funders: National Natural Science Foundation of China, Australian Research Council