TY - JOUR
T1 - Adaptive rate allocation in a joint source/channel coding framework for wireless channels
AU - Jafarkhani, Hamid
AU - Ligdas, Paschalis
AU - Farvardin, Nariman
PY - 1996
Y1 - 1996
N2 - We propose an adaptive rate allocation scheme to choose the rates of the source coder and channel coder pair optimally. We express the end-to-end expected distortion in terms of the source coder distortion and the channel distortion. Also, we propose a modified Gilbert noise channel to model the combination of channel encoder, channel, and channel decoder. Based on our new model, we estimate the channel distortion and select the best source coder and channel coder pair to encode and transmit the source. Simulation results show the optimality of the rate allocation scheme and the advantage of the adaptation.
AB - We propose an adaptive rate allocation scheme to choose the rates of the source coder and channel coder pair optimally. We express the end-to-end expected distortion in terms of the source coder distortion and the channel distortion. Also, we propose a modified Gilbert noise channel to model the combination of channel encoder, channel, and channel decoder. Based on our new model, we estimate the channel distortion and select the best source coder and channel coder pair to encode and transmit the source. Simulation results show the optimality of the rate allocation scheme and the advantage of the adaptation.
UR - http://www.scopus.com/inward/record.url?scp=0029712280&partnerID=8YFLogxK
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M3 - Conference article
AN - SCOPUS:0029712280
SN - 0740-0551
VL - 1
SP - 492
EP - 496
JO - IEEE Vehicular Technology Conference
JF - IEEE Vehicular Technology Conference
T2 - Proceedings of the 1996 IEEE 46th Vehicular Technology Conference. Part 1 (of 3)
Y2 - 28 April 1996 through 1 May 1996
ER -