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Space-time processing techniques wit...

Roy, Sebastien.

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Space-time processing techniques with application to broadband wireless systems.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Space-time processing techniques with application to broadband wireless systems./
作者:	Roy, Sebastien.
面頁冊數:	293 p.
附註:	Adviser: David D. Falconer.
Contained By:	Dissertation Abstracts International62-04B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ58259
ISBN:	0612582590

Space-time processing techniques with application to broadband wireless systems.
Roy, Sebastien.

Space-time processing techniques with application to broadband wireless systems. - 293 p.

Adviser: David D. Falconer.

Thesis (Ph.D.)--Carleton University (Canada), 2001.

This thesis consists of a study of space-time receivers used at base stations to (a) mitigate co-channel interference and (b) provide robustness against fading.

ISBN: 0612582590Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Space-time processing techniques with application to broadband wireless systems.
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500 $a Source: Dissertation Abstracts International, Volume: 62-04, Section: B, page: 2038.
502 $a Thesis (Ph.D.)--Carleton University (Canada), 2001.
520 $a This thesis consists of a study of space-time receivers used at base stations to (a) mitigate co-channel interference and (b) provide robustness against fading.
520 $a Many results herein are of a fundamental nature and could apply generally to any cellular narrowband or broadband wireless system including mobile systems. However, their application to a specific real-world system—the Local Multipoint Communication System or LMCS which is characterized by fixed subscribers, broadband operation and millimeter wavelengths—is also considered. The contributions can be classified into three broad themes: (1) The effect of channel envelope correlation between the array elements of a space-time receiver has been carefully assessed through the use of two analytical, three-dimensional propagation models applicable to both narrowband and wideband contexts. Furthermore, a comprehensive field measurement experiment has been carried out to help validate and refine these models. (2) As an upper bound on optimal array performance, a novel analysis of the matched-filter bound is presented which includes the effect of correlation. It is known that the performance of the best possible diversity receiver, the array maximum-likelihood receiver, is bounded by the MFB. Specifically, the main two novel aspects of our analysis are (a) the inclusion of spatial correlation through our proposed <italic>concatenated army-equivalent channel</italic>; (b) a treatment of the Pician fading case based on the Nakagami distribution (and the fact that it can closely approximate the Rice distribution). (3) A novel S-T processing architecture has been studied which is designed to exploit the multi-user information available at the base station (i.e. joint detection). <italic> Multi-user decision-feedback space-time processing</italic> is a system whereby decisions from other users are coupled through adaptive feedback filters into the desired user's receiver in order to remove not only the post-cursor ISI but also the post-cursor CCI from in-cell interferers. This architecture therefore exploits the multiuser information to obtain more effective interference nulling at the cost of increased complexity. Numerical results are provided comparing this architecture with various linear and non-linear array structures in both a generic single-cell scenario and broadband wireless multi-cell contexts.
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