TY - GEN
T1 - Learning beyond local view
T2 - 2012 46th Annual Conference on Information Sciences and Systems, CISS 2012
AU - Sahai, Achaleshwar
AU - Avestimehr, A. Salman
AU - Sabharwal, Ashutosh
PY - 2012
Y1 - 2012
N2 - Given certain amount of resources available for acquiring network-state information, what should be learned? In this paper, we study this fundamental question for a Z channel where each user has certain local view and beyond that it is allowed to learn k-bits of global network state information. We show that if the interference is unknown to both the transmitters, the best learning strategy is to quantize the signal to interference ratio and reveal it to both transmitters. However, if the interference is known to at least one of the transmitters, then a two-dimensional quantization of the global channel state is the optimal utilization of the k-bits.
AB - Given certain amount of resources available for acquiring network-state information, what should be learned? In this paper, we study this fundamental question for a Z channel where each user has certain local view and beyond that it is allowed to learn k-bits of global network state information. We show that if the interference is unknown to both the transmitters, the best learning strategy is to quantize the signal to interference ratio and reveal it to both transmitters. However, if the interference is known to at least one of the transmitters, then a two-dimensional quantization of the global channel state is the optimal utilization of the k-bits.
UR - http://www.scopus.com/inward/record.url?scp=84868533880&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84868533880&partnerID=8YFLogxK
U2 - 10.1109/CISS.2012.6310775
DO - 10.1109/CISS.2012.6310775
M3 - Conference contribution
AN - SCOPUS:84868533880
SN - 9781467331401
T3 - 2012 46th Annual Conference on Information Sciences and Systems, CISS 2012
BT - 2012 46th Annual Conference on Information Sciences and Systems, CISS 2012
Y2 - 21 March 2012 through 23 March 2012
ER -