Joint rate and power control in wireless network: a novel successive approximations method

Authors:
Nguyen H. Tran;Choong Seon Hong
Affiliations:
Department of Computer Engineering, Kyung Hee University, Korea;Department of Computer Engineering, Kyung Hee University, Korea
Venue:
IEEE Communications Letters
Year:
2010

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Abstract

The conventional method of joint rate and power control (JRPC) relies on high signal-to-interference ratio (SIR) assumption which achieves only suboptimal results. By using a novel successive convex approximations method, we can attain the global optimal source rates and link powers in a distributed fashion exploiting message passing. Through simulations, our method converges faster than the previous work based on logarithm successive convex approximations.