Title :
Subspace-based joint time-delay and frequency-shift estimation in asynchronous DS-CDMA systems
Author :
Eric, Mougin ; Obradovic, Miroslav
Author_Institution :
Inst. of Electr. Eng., VTI, Belgrade
fDate :
7/3/1997 12:00:00 AM
Abstract :
A subspace-based algorithm for joint time-delay and frequency shift estimation in asynchronous DS-CDMA systems is proposed. The algorithm is near-far robust, requires no preamble, is well suited to fading channels, and can be used for both single-user or multiuser estimation
Keywords :
code division multiple access; delays; fading; parameter estimation; spread spectrum communication; asynchronous DS-CDMA systems; fading channels; joint time-delay/frequency-shift estimation; multiuser estimation; near-far robust; single-user estimation; subspace-based algorithm;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19970839
