Optimal subcarrier and bit allocation techniques for cognitive radio networks using integer linear programming

Rahulamathavan, Y. and Cumanan, K. and Musavian, L. and Lambotharan, S. (2009) Optimal subcarrier and bit allocation techniques for cognitive radio networks using integer linear programming. In: Statistical Signal Processing, 2009. SSP '09. IEEE/SP 15th Workshop on. IEEE, Cardiff, pp. 293-296. ISBN 978-1-4244-2709-3

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Abstract

We propose an adaptive radio resource allocation algorithm for cognitive radio underlay networks. The proposed algorithm optimally allocates power and the available subcarriers in an OFDMA environment while ensuring interference leaked to the primary users is below a specific value. We formulate the radio resource allocation problem for cognitive radio network into integer linear programming framework. This algorithm yields an optimal solution for the proposed resource allocation problem. Simulation results have been provided to validate the performance of the algorithm.

Item Type:
Contribution in Book/Report/Proceedings
Subjects:
?? COGNITIVE RADIO OFDMA BIT ALLOCATION BRANCH AND BOUND METHOD BROADBAND COMMUNICATIONS INTEGER LINEAR PROGRAMMING RADIO RESOURCE ALLOCATION ??
ID Code:
61296
Deposited By:
Deposited On:
03 Jan 2013 11:53
Refereed?:
Yes
Published?:
Published
Last Modified:
19 Sep 2023 03:20