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Near-optimum transmit power allocation for space- time block encoded wireless communication systems

Identifieur interne : 009D57 ( Main/Exploration ); précédent : 009D56; suivant : 009D58

Near-optimum transmit power allocation for space- time block encoded wireless communication systems

Auteurs : M. Dohler [France] ; A. H. Aghvami [Royaume-Uni] ; Z. Zhou [Australie] ; Y. Li [Australie] ; B. Vucetic [Australie]

Source :

IEE proceedings. Communications [ 1350-2425 ] ; 2006.

RBID : Pascal:06-0399735

Descripteurs français

Pascal (Inist)
- Télécommunication sans fil, Transmission donnée, Code bloc, Espace temps, Allocation ressource, Canal évanouissement, Evanouissement Rayleigh.
Wicri :
- topic : Télécommunication sans fil.

English descriptors

KwdEn :
- Block code, Data transmission, Fading channels, Rayleigh fading, Resource allocation, Space time, Wireless telecommunication.

Abstract

Space-time block codes (STBCs) allow the diversity provided by multiple-input-multiple-output (MIMO) communication channels to be utilised, thereby increasing the capacity over ergodic fading channels or decreasing the outage probability over non-ergodic fading channels. The authors consider the deployment of orthogonal STBCs in spatially distributed mesh networks where the potentially different average sub-channel gains from any transmit to any receive antenna are assumed to be known at the transmitting elements. To optimise performance in terms of capacity or outage probability, heavy signal processing is required at each transmit element as only numerical optimisation is known to yield the optimum performance. In the paper, explicit near-optimum transmit power allocation strategies for distributed STBCs operating over ergodic and non-ergodic frequency-flat Rayleigh fading channels are introduced which reduce the required signal processing considerably.

Affiliations:

Links toward previous steps (curation, corpus...)

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to stream Main, to step Merge: 00A858
to stream Main, to step Curation: 009D57

Le document en format XML

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<front><div type="abstract" xml:lang="en">Space-time block codes (STBCs) allow the diversity provided by multiple-input-multiple-output (MIMO) communication channels to be utilised, thereby increasing the capacity over ergodic fading channels or decreasing the outage probability over non-ergodic fading channels. The authors consider the deployment of orthogonal STBCs in spatially distributed mesh networks where the potentially different average sub-channel gains from any transmit to any receive antenna are assumed to be known at the transmitting elements. To optimise performance in terms of capacity or outage probability, heavy signal processing is required at each transmit element as only numerical optimisation is known to yield the optimum performance. In the paper, explicit near-optimum transmit power allocation strategies for distributed STBCs operating over ergodic and non-ergodic frequency-flat Rayleigh fading channels are introduced which reduce the required signal processing considerably.</div>
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Near-optimum transmit power allocation for space- time block encoded wireless communication systems

Near-optimum transmit power allocation for space- time block encoded wireless communication systems

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri