Convex optimisation-based joint channel and power allocation scheme for orthogonal frequency division multiple access networks

This study concerns joint channel and power allocation scheme for multi-user orthogonal frequency division multiple access system. The author's highlight is margin adaptive (MA) resource allocation problem namely minimising the total transmit power of users with rate requirement constraints. MA...

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Veröffentlicht in:	IET communications Jg. 9; H. 1; S. 28 - 32
Hauptverfasser:	Liu, Peng, Li, Jiandong, Li, Hongyan, Meng, Yun
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	The Institution of Engineering and Technology 02.01.2015
Schlagworte:	Algorithms Allocations channel allocation Channels communication complexity Complexity computational complexity Computer simulation constraint theory convex optimisation convex programming Frequency division multiple access interior point method joint channel and power allocation scheme MA problem margin adaptive resource allocation problem Modulation multiple access networks multiuser orthogonal frequency division multiple access system Networks NP‐hard problem OFDM modulation polynomial‐time algorithm power variables radio access networks rate requirement constraints relative error bounds relaxation scheme joint channel and power allocation scheme convex optimisation frequency division multiple access constraint theory convex programming interior point method multiuser orthogonal frequency division multiple access system communication complexity margin adaptive resource allocation problem radio access networks NP-hard problem multiple access networks relative error bounds rate requirement constraints OFDM modulation MA problem channel allocation relaxation scheme polynomial-time algorithm power variables computational complexity
ISSN:	1751-8628, 1751-8636
Online-Zugang:	Volltext
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