A General MIMO Framework for NOMA Downlink and Uplink Transmission Based on Signal Alignment

A General MIMO Framework for NOMA Downlink and Uplink Transmission Based on Signal Alignment

The application of multiple-input multiple-output (MIMO) techniques to nonorthogonal multiple access (NOMA) systems is important to enhance the performance gains of NOMA. In this paper, a novel MIMO-NOMA framework for downlink and uplink transmission is proposed by applying the concept of signal ali...

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Veröffentlicht in:IEEE transactions on wireless communications 2016-06, Vol.15 (6), p.4438-4454
Hauptverfasser: Ding, Zhiguo, Schober, Robert, Poor, H. Vincent
Format: Artikel
Sprache:eng
Schlagworte:
Alignment
Allocations
Antennas
Base stations
Cognitive radio
Downlink
Interference
Mathematical analysis
MIMO
Multiple access
Resource management
Strategy
Uplink
Uplinking
Wireless communication
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Schober, Robert
Poor, H. Vincent
description The application of multiple-input multiple-output (MIMO) techniques to nonorthogonal multiple access (NOMA) systems is important to enhance the performance gains of NOMA. In this paper, a novel MIMO-NOMA framework for downlink and uplink transmission is proposed by applying the concept of signal alignment. By using stochastic geometry, closed-form analytical results are developed to facilitate the performance evaluation of the proposed framework for randomly deployed users and interferers. The impact of different power allocation strategies, namely fixed power allocation and cognitive radio inspired power allocation, on the performance of MIMO-NOMA is also investigated. Computer simulation results are provided to demonstrate the performance of the proposed framework and the accuracy of the developed analytical results.
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subjects Alignment
Allocations
Antennas
Base stations
Cognitive radio
Downlink
Interference
Mathematical analysis
MIMO
Multiple access
Resource management
Strategy
Uplink
Uplinking
Wireless communication
title A General MIMO Framework for NOMA Downlink and Uplink Transmission Based on Signal Alignment
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