Conference Proceeding

Multipath channel estimation for asynchronous random-code-division multiple-access

Inst. for Telecommun. Res., Univ. of South Australia, The Levels, SA
Vehicular Technology Conference, 1988, IEEE 38th 06/1997; DOI:10.1109/VETEC.1997.605830 ISBN: 0-7803-3659-3 pp.1609 - 1613 vol.3 In proceeding of: Vehicular Technology Conference, 1997, IEEE 47th, Volume: 3
Source: IEEE Xplore

ABSTRACT An estimator for slowly varying multipath channels for each user
in a random-code-division multiple-access communications system is
constructed and analysed. The estimator requires no training sequence
and we compare the performance to the case when such a sequence is
available. We show that mean square error in estimation decreases as the
inverse of the sample size. It is also shown that the proposed method
performs better than other known techniques applied to equivalent
fixed-code systems

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Keywords

analysed
 
estimation decreases
 
mean square error
 
proposed method
 
random-code-division multiple-access communications system
 
sample size
 
training sequence
 
varying multipath channels
 

P.D. Alexander