Suboptimal recursive optimisation framework for adaptive resource allocation in spectrum-sharing networks
IET Signal Processing(2012)
摘要
The authors propose a suboptimal algorithm for adaptive subcarrier, bit and power allocation for orthogonal frequency division multiple access-based spectrum-sharing networks. This problem in its original form is non-convex and may be solved using greedy algorithms or integer linear programming (ILP) techniques. However, the computational complexity of the latter techniques is quite high, while th...
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关键词
computational complexity,frequency division multiple access,greedy algorithms,integer programming,linear programming,OFDM modulation,radiofrequency interference,resource allocation
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