Power allocation for multipair massive MIMO FD relay systems with low resolution ADCs

Mengxue Tang; Mikko Vehkapera; Xiaoli Chu; Risto Wichman

doi:10.1109/ISWCS.2019.8877176

Power allocation for multipair massive MIMO FD relay systems with low resolution ADCs

Mengxue Tang, Mikko Vehkapera, Xiaoli Chu, Risto Wichman

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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Abstract

To reduce energy consumption, relay stations with massive antenna arrays can be equipped with low resolution analog-to-digital converters (ADCs). Due to powerful loop interference in full-duplex (FD) relaying, however, low resolution ADCs generate strong quantization noise that has severe impact on the throughput of the system. In this paper, the throughput and energy efficiency of a FD decode-and-forward relay system with low resolution ADCs is investigated. Based on the mathematical analysis, a novel iterative power allocation scheme that mitigates the impact of the quantization noise via reducing the received LI power is proposed. The power allocation scheme aims at maximizing the end-to-end achievable rate by adjusting the per-link transmit powers at the relay. The numerical results show that compared to half-duplex relaying, using FD with the proposed power allocation scheme improves the system throughput and energy efficiency significantly.

Original language	English
Title of host publication	ISWCS 2019 - 16th International Symposium on Wireless Communication Systems
Publisher	IEEE
Pages	505-510
Number of pages	6
ISBN (Electronic)	9781728125275
DOIs	https://doi.org/10.1109/ISWCS.2019.8877176
Publication status	Published - 1 Aug 2019
MoE publication type	A4 Article in a conference publication
Event	International Symposium on Wireless Communication Systems - Oulu, Finland Duration: 27 Aug 2019 → 30 Aug 2019 Conference number: 16

Publication series

Name	International Symposium on Wireless Communication Systems
ISSN (Print)	2154-0217
ISSN (Electronic)	2154-0225

Conference

Conference	International Symposium on Wireless Communication Systems
Abbreviated title	ISWCS
Country	Finland
City	Oulu
Period	27/08/2019 → 30/08/2019

Keywords

Decode-and-forward
Energy efficiency
Finite code word length
Full-duplex relaying
Low resolution ADCs
Massive MIMO
Power allocation

Access to Document

10.1109/ISWCS.2019.8877176

ELEC_Tang_Power_allocation_ISWCSAccepted author manuscript, 517 KB

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Massive MIMO: Advanced Antennas, Systems and Signal Processing at mm-waves
Antonio Rodriguez, E., Laakso, M. & Wichman, R.
01/09/2015 → 24/09/2019
Project: Academy of Finland: Other research funding

Cite this

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title = "Power allocation for multipair massive MIMO FD relay systems with low resolution ADCs",

abstract = "To reduce energy consumption, relay stations with massive antenna arrays can be equipped with low resolution analog-to-digital converters (ADCs). Due to powerful loop interference in full-duplex (FD) relaying, however, low resolution ADCs generate strong quantization noise that has severe impact on the throughput of the system. In this paper, the throughput and energy efficiency of a FD decode-and-forward relay system with low resolution ADCs is investigated. Based on the mathematical analysis, a novel iterative power allocation scheme that mitigates the impact of the quantization noise via reducing the received LI power is proposed. The power allocation scheme aims at maximizing the end-to-end achievable rate by adjusting the per-link transmit powers at the relay. The numerical results show that compared to half-duplex relaying, using FD with the proposed power allocation scheme improves the system throughput and energy efficiency significantly.",

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Tang, M, Vehkapera, M, Chu, X & Wichman, R 2019, Power allocation for multipair massive MIMO FD relay systems with low resolution ADCs. in ISWCS 2019 - 16th International Symposium on Wireless Communication Systems., 8877176, International Symposium on Wireless Communication Systems, IEEE, pp. 505-510, International Symposium on Wireless Communication Systems, Oulu, Finland, 27/08/2019. https://doi.org/10.1109/ISWCS.2019.8877176

Power allocation for multipair massive MIMO FD relay systems with low resolution ADCs. / Tang, Mengxue; Vehkapera, Mikko; Chu, Xiaoli; Wichman, Risto.

ISWCS 2019 - 16th International Symposium on Wireless Communication Systems. IEEE, 2019. p. 505-510 8877176 (International Symposium on Wireless Communication Systems).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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Power allocation for multipair massive MIMO FD relay systems with low resolution ADCs

Abstract

Publication series

Conference

Keywords

Access to Document

Massive MIMO: Advanced Antennas, Systems and Signal Processing at mm-waves

Cite this