Title :
Design of source-matched blockwise decoded convolutional codes for mobile communications
Author :
Babich, Fulvio ; Montorsi, Guido ; Vatta, Francesca
Author_Institution :
DEEI, Trieste Univ., Italy
Abstract :
In this paper blockwise decoded convolutional encoding is used and evaluated for the design of an error protection coding scheme matched with the characteristics of a variable-rate speech coder´s output bit-stream. The performance is evaluated for a symmetrical, interference limited, cellular system. Both microcellular and macrocellular propagation models are used. Different reuse factors are taken into consideration
Keywords :
cellular radio; channel coding; convolutional codes; decoding; forward error correction; frequency allocation; land mobile radio; linear predictive coding; radiofrequency interference; source coding; speech coding; variable rate codes; vocoders; CELP; FEC; blockwise decoded convolutional codes; channel coding; error protection coding; frame error probability; interference limited cellular system; macrocellular propagation model; microcellular propagation model; mobile communications; output bit-stream; performance evaluation; reuse factors; source coding; source-matched codes; symmetrical system; variable-rate speech coder; Bandwidth; Channel coding; Convolutional codes; Decoding; Electronic mail; Mobile communication; Protection; Source coding; Speech analysis; Speech coding;
Conference_Titel :
Vehicular Technology Conference, 1998. VTC 98. 48th IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-4320-4
DOI :
10.1109/VETEC.1998.686473
