TY - GEN

T1 - Distributed interference pricing for OFDM wireless networks with non-separable utilities

AU - Shi, Changxin

AU - Berry, Randall A.

AU - Honig, Michael L.

PY - 2008

Y1 - 2008

N2 - We present a distributed algorithm for allocating power among multiple interfering transmitters in a wireless network using Orthogonal Frequency Division Multiplexing (OFDM). The algorithm attempts to maximize the sum over user utilities, where each user's utility is a function of his total transmission rate. Users exchange interference prices reflecting the marginal cost of interference on each sub-channel, and then update their power allocations given the interference prices and their own channel conditions. A similar algorithm was studied earlier assuming that each user's utility function is a separable function of the user's rate per sub-channel. Here, we do not assume this separability. We give a different algorithm for updating each user's power allocation and show that this algorithm converges monotonically. Numerical results comparing this algorithm to several others are also presented.

AB - We present a distributed algorithm for allocating power among multiple interfering transmitters in a wireless network using Orthogonal Frequency Division Multiplexing (OFDM). The algorithm attempts to maximize the sum over user utilities, where each user's utility is a function of his total transmission rate. Users exchange interference prices reflecting the marginal cost of interference on each sub-channel, and then update their power allocations given the interference prices and their own channel conditions. A similar algorithm was studied earlier assuming that each user's utility function is a separable function of the user's rate per sub-channel. Here, we do not assume this separability. We give a different algorithm for updating each user's power allocation and show that this algorithm converges monotonically. Numerical results comparing this algorithm to several others are also presented.

UR - http://www.scopus.com/inward/record.url?scp=51849084420&partnerID=8YFLogxK

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U2 - 10.1109/CISS.2008.4558622

DO - 10.1109/CISS.2008.4558622

M3 - Conference contribution

AN - SCOPUS:51849084420

SN - 9781424422470

T3 - CISS 2008, The 42nd Annual Conference on Information Sciences and Systems

SP - 755

EP - 760

BT - CISS 2008, The 42nd Annual Conference on Information Sciences and Systems

T2 - CISS 2008, 42nd Annual Conference on Information Sciences and Systems

Y2 - 19 March 2008 through 21 March 2008

ER -