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A non-coherent multi-user large scale SIMO system relaying on M-ary DPSK

A non-coherent multi-user large scale SIMO system relaying on M-ary DPSK
A non-coherent multi-user large scale SIMO system relaying on M-ary DPSK
A non-coherent detection assisted Differential Phase Shift Keying aided large-scale MIMO system is designed in a wireless uplink where multiple single-antenna users are transmitting to the base station's receiver equipped with a very large number of receive antennas. We show that the signal to interference plus noise ratio (SINR) scales with the number of receive antennas, which confirms the same scaling law found in coherent systems. We propose a range of constellation designs that allow us to separate the users' signals at the receiver by relying only on the knowledge of the average received power per user. We analyse the error probability and provide insights into the beneficial selection of the constellation parameters. Finally, we provide some numerical results showing that our proposals require a lower number of receive antennas to achieve a given error probability than other non-coherent benchmark schemes available in the literature, while they are not far from an equivalent coherent system relying on realistic channel estimation settings.
978-1-4673-6432-4/15
2517-2522
Armada, Ana Garcia
8a338980-9834-4da1-ab82-90df26b7d10e
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1
Armada, Ana Garcia
8a338980-9834-4da1-ab82-90df26b7d10e
Hanzo, Lajos
66e7266f-3066-4fc0-8391-e000acce71a1

Armada, Ana Garcia and Hanzo, Lajos (2015) A non-coherent multi-user large scale SIMO system relaying on M-ary DPSK. 2015 IEEE International Conference on Communications (ICC). 08 - 12 Jun 2015. pp. 2517-2522 . (doi:10.1109/ICC.2015.7248703).

Record type: Conference or Workshop Item (Paper)

Abstract

A non-coherent detection assisted Differential Phase Shift Keying aided large-scale MIMO system is designed in a wireless uplink where multiple single-antenna users are transmitting to the base station's receiver equipped with a very large number of receive antennas. We show that the signal to interference plus noise ratio (SINR) scales with the number of receive antennas, which confirms the same scaling law found in coherent systems. We propose a range of constellation designs that allow us to separate the users' signals at the receiver by relying only on the knowledge of the average received power per user. We analyse the error probability and provide insights into the beneficial selection of the constellation parameters. Finally, we provide some numerical results showing that our proposals require a lower number of receive antennas to achieve a given error probability than other non-coherent benchmark schemes available in the literature, while they are not far from an equivalent coherent system relying on realistic channel estimation settings.

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More information

Published date: 5 June 2015
Venue - Dates: 2015 IEEE International Conference on Communications (ICC), 2015-06-08 - 2015-06-12

Identifiers

Local EPrints ID: 387148
URI: https://eprints.soton.ac.uk/id/eprint/387148
ISBN: 978-1-4673-6432-4/15
PURE UUID: d4124ae8-708e-4353-a05b-b75d7875f067
ORCID for Lajos Hanzo: ORCID iD orcid.org/0000-0002-2636-5214

Catalogue record

Date deposited: 16 Feb 2016 10:07
Last modified: 19 Jul 2019 20:18

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