DocumentCode
277557
Title
A trellis coded 16-QAM modem for land mobile communications
Author
Fines, P. ; Aghvami, A.H.
Author_Institution
King´´s Coll., London, UK
fYear
1992
fDate
33781
Firstpage
42522
Lastpage
42525
Abstract
The performance of low bit rate (10.8 Kb/s) 8-PSK and trellis coded modulation (TCM) 16-QAM modems operating over a Rician fading land mobile satellite channel is evaluated and compared. Considerable TCM coding gain is obtained with the aid of a pilot symbol sequence, which allows successful coherent detection under severe fading, and diversity in time by interleaving using several multiplexed TCM codecs. The proposed modem is well suited for fully digital implementation
Keywords
amplitude modulation; codecs; digital radio systems; diversity reception; fading; mobile radio systems; modems; satellite relay systems; 10.8 kbit/s; 8-PSK; Rician fading; coding gain; coherent detection; digital implementation; diversity; interleaving; land mobile communications; multiplexed TCM codecs; pilot symbol sequence; satellite channel; trellis coded 16-QAM modem;
fLanguage
English
Publisher
iet
Conference_Titel
Land Mobile Satellite Systems, IEE Colloquium on
Conference_Location
London
Type
conf
Filename
170117
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