Title :
Doppler spread estimation in mobile radio systems
Author :
Krasny, Leonid ; Arslan, Hüseyin ; Koilpillai, David ; Chennakeshu, Sandeep
Author_Institution :
Ericsson Inc., Research Triangle Park, NC, USA
fDate :
5/1/2001 12:00:00 AM
Abstract :
In this letter, Doppler spread estimation in digital mobile radio systems is described. A maximum-likelihood approach is derived, and used to develop suboptimal approaches with lower complexity. The proposed algorithms rely on periodic channel estimation and can be used in both TDMA and CDMA systems.
Keywords :
Doppler broadening; code division multiple access; digital radio; land mobile radio; maximum likelihood estimation; time division multiple access; CDMA; Doppler spread estimation; TDMA; complexity; digital mobile radio systems; maximum-likelihood approach; periodic channel estimation; suboptimal approaches; AWGN; Autocorrelation; Channel estimation; Frequency; Land mobile radio; Maximum likelihood estimation; Multiaccess communication; Receivers; Time division multiple access; Velocity measurement;
Journal_Title :
Communications Letters, IEEE
DOI :
10.1109/4234.922758
