TY - GEN
T1 - Proactive source coding
AU - Gungor, Onur
AU - Koyluoglu, O. Ozan
AU - El Gamal, Hesham
AU - Koksal, Can Emre
PY - 2011
Y1 - 2011
N2 - A coding problem, over a slotted system, is introduced where the sender has to transmit one out of several packets to the receiver, but learns the request only at the beginning of each slot with prior statistical information about which packet is needed at the receiver. There is an associated cost of sending bits at each slot, and the goal is to minimize the expected cost of the communication. A proactive coding scheme is proposed, where the source proactively communicates with the receiver before the receiver requests the message. This way, by designing a cost optimal side information at the receiver, the scheme is able to minimize the expected cost of the communication. Numerical results are provided demonstrating the gains obtained by proactive coding over the conventional coding technique.
AB - A coding problem, over a slotted system, is introduced where the sender has to transmit one out of several packets to the receiver, but learns the request only at the beginning of each slot with prior statistical information about which packet is needed at the receiver. There is an associated cost of sending bits at each slot, and the goal is to minimize the expected cost of the communication. A proactive coding scheme is proposed, where the source proactively communicates with the receiver before the receiver requests the message. This way, by designing a cost optimal side information at the receiver, the scheme is able to minimize the expected cost of the communication. Numerical results are provided demonstrating the gains obtained by proactive coding over the conventional coding technique.
UR - http://www.scopus.com/inward/record.url?scp=80054823185&partnerID=8YFLogxK
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U2 - 10.1109/ISIT.2011.6033953
DO - 10.1109/ISIT.2011.6033953
M3 - Conference contribution
AN - SCOPUS:80054823185
SN - 9781457705953
T3 - IEEE International Symposium on Information Theory - Proceedings
SP - 2213
EP - 2217
BT - 2011 IEEE International Symposium on Information Theory Proceedings, ISIT 2011
T2 - 2011 IEEE International Symposium on Information Theory Proceedings, ISIT 2011
Y2 - 31 July 2011 through 5 August 2011
ER -