Channel interpolation for digital mobile radio communications

Author

Lo, Norm W K ; Falconer, David D. ; Sheikh, Asrar U H

Author_Institution

Dept. of Syst. & Comput. Eng., Carleton Univ., Ottawa, Ont., Canada

fYear

1991

fDate

23-26 Jun 1991

Firstpage

773

Abstract

Digital cellular radio (DCR) communications occur over a fading multipath channel. In the case of low bit-rate, narrowband communications, a fast adaptive algorithm is required to track the rapid time variations in the DCR channel. The authors demonstrate the feasibility of a novel block-adaptive strategy which computes the time-varying channel impulse response (CIR) by interpolating a set of CIR estimates obtained through periodic training. Furthermore, they have discovered that channel tracking is limited by the CIR estimation noise rather than by the CIR interpolation

Keywords

digital radio systems; fading; interpolation; mobile radio systems; telecommunication channels; CIR estimation noise; channel impulse response; channel tracking; digital mobile radio communications; fading multipath channel; fast adaptive algorithm; narrowband communications; periodic training; time varying response; Adaptive algorithm; Bandwidth; Delay estimation; Fading; Frequency estimation; Interpolation; Land mobile radio; Mobile communication; Narrowband; Time division multiple access;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications, 1991. ICC '91, Conference Record. IEEE International Conference on

Conference_Location

Denver, CO

Print_ISBN

0-7803-0006-8

Type

conf

DOI

10.1109/ICC.1991.162465

Filename

162465