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CDMA signature sequences with low peak-to-average-power ratio via alternating projection

Tropp, Joel A. and Dhillon, Inderjit S. and Heath, Robert W., Jr. and Strohmer, Thomas (2004) CDMA signature sequences with low peak-to-average-power ratio via alternating projection. In: Asilomar Conference on Signals, Systems and Computers, 37th, Pacific Grove, CA, 9-12 November 2003. Vol.1. IEEE , Piscataway, NJ, pp. 475-479. ISBN 0-7803-8104-1 http://resolver.caltech.edu/CaltechAUTHORS:TROasilo03

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Abstract

Several algorithms have been proposed to construct optimal signature sequences that maximize the sum capacity of the uplink in a direct-spread synchronous code division multiple access (CDMA) system. These algorithms produce signatures with real-valued or complex-valued entries that generally have a large peak-to-average power ratio (PAR). This paper presents an alternating projection algorithm that can design optimal signature sequences that satisfy PAR side constraints. This algorithm converges to a fixed point, and these fixed points are partially characterized.


Item Type:Book Section
Additional Information:© Copyright 2003 IEEE. Reprinted with permission. [Posted online: 2004-05-04] I. S. Dhillon acknowledges support by NSF CAREER Award No. ACI-0093404, T. Strohmer acknowledges partial support by NSF grant DMS 0208568, and R. Heath acknowledges support from the Texas Advanced Technology Program under Grant No. 003658-0614-2001, the Samsung Advanced Institute of Technology, and the National Instruments Foundation.
Subject Keywords:code division multiple access, radio links, sequences, spread spectrum communication
Record Number:CaltechAUTHORS:TROasilo03
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:TROasilo03
Alternative URL:http://dx.doi.org/10.1109/ACSSC.2003.1291956
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9046
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:22 Oct 2007
Last Modified:26 Dec 2012 09:45

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