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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2009
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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 |
dc.identifier_txt_mv |
vudl:173237 |
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. |
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2009 |
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