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Finite blocklength non-orthogonal cooperative communication relying on SWIPT-enabled energy harvesting relays

Finite blocklength non-orthogonal cooperative communication relying on SWIPT-enabled energy harvesting relays
Finite blocklength non-orthogonal cooperative communication relying on SWIPT-enabled energy harvesting relays
A finite blocklength (FBL) twin-user non-orthogonal cooperative downlink system is considered, wherein a base station simultaneously communicates with the users whilst relying on simultaneous wireless information and power transfer (SWIPT) enabled energy harvesting relay. Closed-form analytical expressions are obtained for the end-to-end average block error rate (BLER) assuming potentially dissimilar Nakagami-m fading links. Furthermore, asymptotic expressions are derived for the individual user’s end-to-end average BLER performance and diversity order at high signal to noise ratios (SNRs). Additionally, since, the stronger user’s signal is detected, while assuming the
weaker user’s signal to be interference, an analytical bound has been obtained for characterizing the effect of this interference on the BLER performance of both users. Furthermore, a framework is developed for joint relay splitting factor and user power allocation towards end-to-end blocklength minimization under
strict reliability constraints by converting the original non-convex optimization problem to a convex geometric program (GP) that can be solved efficiently. Simulation results are presented to validate the analytical expressions derived and illustrate the efficacy of the proposed scheme.
Non-orthogonal multiple access (NOMA), dissimilar Nakagami-m fading links, energy harvesting, finite blocklength (FBL) communication, geometric program (GP), product of Gamma random variables, simultaneous wireless information and power transfer (SWIPT)
0090-6778
3326-3341
Agarwal, Akash
e1c727f7-d92f-4998-b0ce-6c54d28a8823
Jagannatham, Aditya K.
ea2f628b-0f2a-48a3-a293-122c809757aa
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Agarwal, Akash
e1c727f7-d92f-4998-b0ce-6c54d28a8823
Jagannatham, Aditya K.
ea2f628b-0f2a-48a3-a293-122c809757aa
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Agarwal, Akash, Jagannatham, Aditya K. and Hanzo, Lajos (2020) Finite blocklength non-orthogonal cooperative communication relying on SWIPT-enabled energy harvesting relays. IEEE Transactions on Communications, 68 (6), 3326-3341, [9007658]. (doi:10.1109/TCOMM.2020.2976005).

Record type: Article

Abstract

A finite blocklength (FBL) twin-user non-orthogonal cooperative downlink system is considered, wherein a base station simultaneously communicates with the users whilst relying on simultaneous wireless information and power transfer (SWIPT) enabled energy harvesting relay. Closed-form analytical expressions are obtained for the end-to-end average block error rate (BLER) assuming potentially dissimilar Nakagami-m fading links. Furthermore, asymptotic expressions are derived for the individual user’s end-to-end average BLER performance and diversity order at high signal to noise ratios (SNRs). Additionally, since, the stronger user’s signal is detected, while assuming the
weaker user’s signal to be interference, an analytical bound has been obtained for characterizing the effect of this interference on the BLER performance of both users. Furthermore, a framework is developed for joint relay splitting factor and user power allocation towards end-to-end blocklength minimization under
strict reliability constraints by converting the original non-convex optimization problem to a convex geometric program (GP) that can be solved efficiently. Simulation results are presented to validate the analytical expressions derived and illustrate the efficacy of the proposed scheme.

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Accepted/In Press date: 15 February 2020
e-pub ahead of print date: 24 February 2020
Published date: June 2020
Keywords: Non-orthogonal multiple access (NOMA), dissimilar Nakagami-m fading links, energy harvesting, finite blocklength (FBL) communication, geometric program (GP), product of Gamma random variables, simultaneous wireless information and power transfer (SWIPT)

Identifiers

Local EPrints ID: 438156
URI: http://eprints.soton.ac.uk/id/eprint/438156
ISSN: 0090-6778
PURE UUID: 24ab9b97-ca2b-43ee-a7b6-cb09fc308aa4
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

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Date deposited: 03 Mar 2020 17:43
Last modified: 28 Apr 2022 01:34

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Contributors

Author: Akash Agarwal
Author: Aditya K. Jagannatham
Author: Lajos Hanzo ORCID iD

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