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Techniques for interference analysis...

Brady, Mark H.

Techniques for interference analysis and spectrum management of digital subscriber lines.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Techniques for interference analysis and spectrum management of digital subscriber lines.
作者:	Brady, Mark H.
面頁冊數:	126 p.
附註:	Adviser: John M. Cioffi.
附註:	Source: Dissertation Abstracts International, Volume: 67-05, Section: B, page: 2732.
Contained By:	Dissertation Abstracts International67-05B.
標題:	Engineering, Electronics and Electrical.
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3219242
ISBN:	9780542705809

Techniques for interference analysis and spectrum management of digital subscriber lines.
Brady, Mark H.

Techniques for interference analysis and spectrum management of digital subscriber lines. - 126 p.

Adviser: John M. Cioffi.

Thesis (Ph.D.)--Stanford University, 2006.

Dynamic Spectrum Management (DSM) is emerging as a key component in next-generation digital subscriber line (DSL) technology. Because DSL twisted-pair binder channels are chiefly interference-limited, the multiuser performance and compatibility of DSM is of foremost importance. Although these issues are well understood for Static Spectrum Management (SSM) used in state-of-the-art DSL, existing techniques are not amenable to the study of Dynamic Spectrum Management.

ISBN: 9780542705809Subjects--Topical Terms:

226981
Engineering, Electronics and Electrical.

Techniques for interference analysis and spectrum management of digital subscriber lines.
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245 1 0 $a Techniques for interference analysis and spectrum management of digital subscriber lines.
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500 $a Source: Dissertation Abstracts International, Volume: 67-05, Section: B, page: 2732.
502 $a Thesis (Ph.D.)--Stanford University, 2006.
520 # $a Dynamic Spectrum Management (DSM) is emerging as a key component in next-generation digital subscriber line (DSL) technology. Because DSL twisted-pair binder channels are chiefly interference-limited, the multiuser performance and compatibility of DSM is of foremost importance. Although these issues are well understood for Static Spectrum Management (SSM) used in state-of-the-art DSL, existing techniques are not amenable to the study of Dynamic Spectrum Management.
520 # $a This thesis presents novel interference analyses that characterize the performance of two classes of DSM: when multiuser interference is treated as noise, and when multiuser encoding and decoding ("vectored transmission") is performed. A game-theoretic framework is adopted whereby Nash equilibria of certain strictly-competitive games characterize the "worst" interference scenarios.
520 # $a When interference is treated as noise, this approach yields a lower bound that is close to performance in the field. Numerical results are presented for two relevant scenarios: an upstream VDSL deployment exhibiting the near-far effect, and an asymmetric DSL remote terminal (RT) deployment with long central office (CO) lines. The results show that the performance improvement of DSM over SSM techniques in these channels can be preserved by appropriate distributed power control, even in worst-case interference environments.
520 # $a When multiuser encoding and decoding is feasible, results are obtained both for downstream and upstream transmission. For downstream transmission, a worst-case throughput (sum rate) is obtained from the Nash equilibrium of a strictly-competitive game. In upstream transmission, a general weighted sum-rate is similarly considered. Partial uniqueness properties of the Nash equilibria of each game are developed.
590 $a School code: 0212.
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790 1 0 $a Cioffi, John M., $e advisor
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