Antenna Beam Pattern Modulation With Lattice-Reduction-Aided Detection | IEEE Journals & Magazine | IEEE Xplore

Antenna Beam Pattern Modulation With Lattice-Reduction-Aided Detection


Abstract:

This paper introduces a novel transmission design for antenna beam pattern modulation (ABPM) with a low-complexity decoding method. The concept of ABPM was first presente...Show More

Abstract:

This paper introduces a novel transmission design for antenna beam pattern modulation (ABPM) with a low-complexity decoding method. The concept of ABPM was first presented with optimal maximum-likelihood (ML) decoding. However, an ML detector may not be viable for practical systems when the constellation size or the number of antennas is large, such as in massive multiple-input–multiple-output (MIMO) systems. Linear detectors, on the other hand, have lower complexity but inferior performance. In this paper, we present the antenna pattern selection with a lattice-reduction-aided linear detector for ABPM to reduce the detection complexity with the bit error rate (BER) performance approaching that of ML while conserving low complexity. Simulation results show that even with this suboptimal detection, performance gain is achieved by the proposed scheme compared with different spatial modulation techniques using ML detection. In addition, to validate the results, an upper bound expression for the BER is provided for ABPM with ML detection.
Published in: IEEE Transactions on Vehicular Technology ( Volume: 65, Issue: 4, April 2016)
Page(s): 2007 - 2015
Date of Publication: 13 April 2015

ISSN Information:


I. Introduction

Wireless communications are constantly improving, providing an increased data rate, better quality of service, and improved network capacity. Multiple-input multiple-output (MIMO) has shown extensive improvements over traditional single-antenna systems. The most well-known MIMO techniques are space–time coding (STC) [1] and spatial multiplexing [2] in cases where channel state information (CSI) is not available at the transmitter.

References

References is not available for this document.