Optimal non-coherent data detection for massive SIMO wireless systems: A polynomial complexity solution

Massive MIMO systems have made significant progress in increasing spectral and energy efficiency over traditional MIMO systems by exploiting large antenna arrays. In this paper we consider the joint maximum likelihood (ML) channel estimation and data detection problem for massive SIMO (single input...

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Published in:arXiv.org 2014-11
Main Authors: Haider Ali Jasim Alshamary, Al-Naffouri, Tareq, Alam Zaib, Xu, Weiyu
Format: Article
Language:English
Subjects:
Algorithms
Antenna arrays
Antennas
Coherence
Complexity
Computation
Computer simulation
Maximum likelihood estimation
MIMO (control systems)
Polynomials
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Al-Naffouri, Tareq
Alam Zaib
Xu, Weiyu
description Massive MIMO systems have made significant progress in increasing spectral and energy efficiency over traditional MIMO systems by exploiting large antenna arrays. In this paper we consider the joint maximum likelihood (ML) channel estimation and data detection problem for massive SIMO (single input multiple output) wireless systems. Despite the large number of unknown channel coefficients for massive SIMO systems, we improve an algorithm to achieve the exact ML non-coherent data detection with a low expected complexity. We show that the expected computational complexity of this algorithm is linear in the number of receive antennas and polynomial in channel coherence time. Simulation results show the performance gain of the optimal non-coherent data detection with a low computational complexity.
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subjects Algorithms
Antenna arrays
Antennas
Coherence
Complexity
Computation
Computer simulation
Maximum likelihood estimation
MIMO (control systems)
Polynomials
title Optimal non-coherent data detection for massive SIMO wireless systems: A polynomial complexity solution
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