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Multiple access over time- and frequ...

Zhou, Shengli.

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Multiple access over time- and frequency-selective channels.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Multiple access over time- and frequency-selective channels./
Author:	Zhou, Shengli.
Description:	156 p.
Notes:	Adviser: Georgios B. Giannakis.
Contained By:	Dissertation Abstracts International63-08B.
Subject:	Engineering, Electronics and Electrical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3062573
ISBN:	0493801553

Multiple access over time- and frequency-selective channels.
Zhou, Shengli.

Multiple access over time- and frequency-selective channels. - 156 p.

Adviser: Georgios B. Giannakis.

Thesis (Ph.D.)--University of Minnesota, 2002.

With the demand for higher data rates and wireless services rising as fast as the Internet permeated our lives, the need to cope with the idiosyncrasies of the shared wireless medium increases along with the challenges: multiuser interference (MUI), frequency selective multipath-induced fading, time-selective mobility-induced impairments, and high-performance transceivers that are also bandwidth- and power-efficient. Today's Code-Division Multiple Access (CDMA) systems rely on long aperiodic pseudo-noise codes and strict power control to suppress MUI statistically.

ISBN: 0493801553Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Multiple access over time- and frequency-selective channels.
LDR:02588nam 2200289 a 45 001 926902
005 20110422
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020 $a 0493801553
035 $a (UnM)AAI3062573
035 $a AAI3062573
040 $a UnM $c UnM
100 1 $a Zhou, Shengli. $3 1250485
245 1 0 $a Multiple access over time- and frequency-selective channels.
300 $a 156 p.
500 $a Adviser: Georgios B. Giannakis.
500 $a Source: Dissertation Abstracts International, Volume: 63-08, Section: B, page: 3858.
502 $a Thesis (Ph.D.)--University of Minnesota, 2002.
520 $a With the demand for higher data rates and wireless services rising as fast as the Internet permeated our lives, the need to cope with the idiosyncrasies of the shared wireless medium increases along with the challenges: multiuser interference (MUI), frequency selective multipath-induced fading, time-selective mobility-induced impairments, and high-performance transceivers that are also bandwidth- and power-efficient. Today's Code-Division Multiple Access (CDMA) systems rely on long aperiodic pseudo-noise codes and strict power control to suppress MUI statistically.
520 $a This thesis offers a novel approach to designing low-complexity bandwidth-efficient quasi-synchronous CDMA transceivers capable of eliminating MUI deterministically in the presence of unknown and even rapidly varying multipath. Relying on chip-interleaving and block spreading (CIBS), mutual orthogonality among user codes is preserved even after time- and/or frequency-selective multipath propagation, which allows for deterministic multiuser separation through a low-complexity receiver front-end. Converting multiuser detection into a set of equivalent single user equalization problems, the proposed CIBS-CDMA enables applications of any single user scheme in a multiple access framework.
520 $a Our research on multiple access over time- and frequency-selective channels offers the potential for enhanced performance, capacity, and high-speed delivery of information in broadband wireless communication systems. The ultimate goal is to have wireless services such as mobile computing, high-speed internet access, and other personal communication services delivered with improved quality of service, and be accessible to more people.
590 $a School code: 0130.
650 4 $a Engineering, Electronics and Electrical. $3 626636
690 $a 0544
710 2 0 $a University of Minnesota. $3 676231
773 0 $t Dissertation Abstracts International $g 63-08B.
790 $a 0130
790 1 0 $a Giannakis, Georgios B., $e advisor
791 $a Ph.D.
792 $a 2002
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3062573