Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.

Cooperative transmission among wireless network nodes can be exploited to resolve collisions and thereby enhance the network throughput. Incorporation of multi-beam adaptive array (MBAA) at a base station/access point (destination) receiver has been shown to improve the network performance. In this...

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Main Authors: Li, Xin., Zhang, Yimin., Amin, Moeness G.
Format: Villanova Faculty Authorship
Language:English
Published: 2009
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spelling Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
Li, Xin.
Zhang, Yimin.
Amin, Moeness G.
Cooperative transmission among wireless network nodes can be exploited to resolve collisions and thereby enhance the network throughput. Incorporation of multi-beam adaptive array (MBAA) at a base station/access point (destination) receiver has been shown to improve the network performance. In this paper, we propose an efficient cooperative wireless medium access scheme that exploits novel relay selection methods in a network equipped with MBAA at the destination receiver. Unlike existing techniques that require the estimation of angles-of-arrival (AoAs), the proposed scheme uses the spatial correlation among users for simpler but more effective collision detection and resolution. We present two useful relay selection methods based on channel gain and spatial correlation. It is shown that the joint use of an effective relay selection method and an MBAA in a wireless network can significantly improve the uplink throughput. The throughput of the proposed scheme and its upper bound are analytically derived. Numerical and simulation results have demonstrated significant performance enhancement achieved by the proposed cooperative wireless medium access scheme.
2009
Villanova Faculty Authorship
vudl:173237
IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 57, NO. 11, NOVEMBER 2009.
en
dc.title_txt_mv Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
dc.creator_txt_mv Li, Xin.
Zhang, Yimin.
Amin, Moeness G.
dc.description_txt_mv Cooperative transmission among wireless network nodes can be exploited to resolve collisions and thereby enhance the network throughput. Incorporation of multi-beam adaptive array (MBAA) at a base station/access point (destination) receiver has been shown to improve the network performance. In this paper, we propose an efficient cooperative wireless medium access scheme that exploits novel relay selection methods in a network equipped with MBAA at the destination receiver. Unlike existing techniques that require the estimation of angles-of-arrival (AoAs), the proposed scheme uses the spatial correlation among users for simpler but more effective collision detection and resolution. We present two useful relay selection methods based on channel gain and spatial correlation. It is shown that the joint use of an effective relay selection method and an MBAA in a wireless network can significantly improve the uplink throughput. The throughput of the proposed scheme and its upper bound are analytically derived. Numerical and simulation results have demonstrated significant performance enhancement achieved by the proposed cooperative wireless medium access scheme.
dc.date_txt_mv 2009
dc.format_txt_mv Villanova Faculty Authorship
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dc.source_txt_mv IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 57, NO. 11, NOVEMBER 2009.
dc.language_txt_mv en
author Li, Xin.
Zhang, Yimin.
Amin, Moeness G.
spellingShingle Li, Xin.
Zhang, Yimin.
Amin, Moeness G.
Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
author_facet Li, Xin.
Zhang, Yimin.
Amin, Moeness G.
dc_source_str_mv IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 57, NO. 11, NOVEMBER 2009.
format Villanova Faculty Authorship
author_sort Li, Xin.
dc_date_str 2009
dc_title_str Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
description Cooperative transmission among wireless network nodes can be exploited to resolve collisions and thereby enhance the network throughput. Incorporation of multi-beam adaptive array (MBAA) at a base station/access point (destination) receiver has been shown to improve the network performance. In this paper, we propose an efficient cooperative wireless medium access scheme that exploits novel relay selection methods in a network equipped with MBAA at the destination receiver. Unlike existing techniques that require the estimation of angles-of-arrival (AoAs), the proposed scheme uses the spatial correlation among users for simpler but more effective collision detection and resolution. We present two useful relay selection methods based on channel gain and spatial correlation. It is shown that the joint use of an effective relay selection method and an MBAA in a wireless network can significantly improve the uplink throughput. The throughput of the proposed scheme and its upper bound are analytically derived. Numerical and simulation results have demonstrated significant performance enhancement achieved by the proposed cooperative wireless medium access scheme.
title Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
title_full Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
title_fullStr Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
title_full_unstemmed Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
title_short Cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
title_sort cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
publishDate 2009
normalized_sort_date 2009-01-01T00:00:00Z
language English
collection_title_sort_str cooperative wireless medium access exploiting multi-beam adaptive arrays and relay selection.
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