Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations

<p/> <p>This paper considers an enhancement to multicell processing for the uplink of a cellular system, whereby the mobile stations are allowed to exchange messages on orthogonal channels of fixed capacity (conferencing). Both conferencing among mobile stations in different cells and in...

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Main Authors: Somekh O, Poor HV, Shamai (Shitz) S, Kramer G, Simeone O
Format: Article
Language:English
Published: SpringerOpen 2008-01-01
Series:EURASIP Journal on Wireless Communications and Networking
Online Access:http://jwcn.eurasipjournals.com/content/2008/652325
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author Somekh O
Poor HV
Shamai (Shitz) S
Kramer G
Simeone O
author_facet Somekh O
Poor HV
Shamai (Shitz) S
Kramer G
Simeone O
author_sort Somekh O
collection DOAJ
description <p/> <p>This paper considers an enhancement to multicell processing for the uplink of a cellular system, whereby the mobile stations are allowed to exchange messages on orthogonal channels of fixed capacity (conferencing). Both conferencing among mobile stations in different cells and in the same cell (inter- and intracell conferencing, resp.) are studied. For both cases, it is shown that a rate-splitting transmission strategy, where part of the message is exchanged on the conferencing channels and then transmitted cooperatively to the base stations, is capacity achieving for sufficiently large conferencing capacity. In case of intercell conferencing, this strategy performs convolutional pre-equalization of the signal encoding the common messages in the spatial domain, where the number of taps of the finite-impulse response equalizer depends on the number of conferencing rounds. Analysis in the low signal-to-noise ratio regime and numerical results validate the advantages of conferencing as a complementary technology to multicell processing.</p>
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spelling doaj.art-4a22c2e0dca74791bcfb0ffc7ccebab82022-12-22T03:45:55ZengSpringerOpenEURASIP Journal on Wireless Communications and Networking1687-14721687-14992008-01-0120081652325Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base StationsSomekh OPoor HVShamai (Shitz) SKramer GSimeone O<p/> <p>This paper considers an enhancement to multicell processing for the uplink of a cellular system, whereby the mobile stations are allowed to exchange messages on orthogonal channels of fixed capacity (conferencing). Both conferencing among mobile stations in different cells and in the same cell (inter- and intracell conferencing, resp.) are studied. For both cases, it is shown that a rate-splitting transmission strategy, where part of the message is exchanged on the conferencing channels and then transmitted cooperatively to the base stations, is capacity achieving for sufficiently large conferencing capacity. In case of intercell conferencing, this strategy performs convolutional pre-equalization of the signal encoding the common messages in the spatial domain, where the number of taps of the finite-impulse response equalizer depends on the number of conferencing rounds. Analysis in the low signal-to-noise ratio regime and numerical results validate the advantages of conferencing as a complementary technology to multicell processing.</p>http://jwcn.eurasipjournals.com/content/2008/652325
spellingShingle Somekh O
Poor HV
Shamai (Shitz) S
Kramer G
Simeone O
Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations
EURASIP Journal on Wireless Communications and Networking
title Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations
title_full Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations
title_fullStr Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations
title_full_unstemmed Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations
title_short Throughput of Cellular Systems with Conferencing Mobiles and Cooperative Base Stations
title_sort throughput of cellular systems with conferencing mobiles and cooperative base stations
url http://jwcn.eurasipjournals.com/content/2008/652325
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AT kramerg throughputofcellularsystemswithconferencingmobilesandcooperativebasestations
AT simeoneo throughputofcellularsystemswithconferencingmobilesandcooperativebasestations