We consider the problem of transmit power and bit rate allocation for OFDM based cognitive radio systems. An efficient allocation algorithm which mainly consists of two steps is proposed to maximize the sum rate of secondary users. In the first step of the algorithm, original nonlinear problem is converted to a convex problem which is solved by dual methods, and in the second step the final resource allocation results is obtained via iterative power rescale operation. Numerical results show the effectiveness of the proposed algorithm.
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Yuehuai MA, Youyun XU, Jin-Long WANG, "An Efficient Transmit Power and Bit Rate Allocation Algorithm for OFDM Based Cognitive Radio Systems" in IEICE TRANSACTIONS on Communications,
vol. E94-B, no. 1, pp. 302-306, January 2011, doi: 10.1587/transcom.E94.B.302.
Abstract: We consider the problem of transmit power and bit rate allocation for OFDM based cognitive radio systems. An efficient allocation algorithm which mainly consists of two steps is proposed to maximize the sum rate of secondary users. In the first step of the algorithm, original nonlinear problem is converted to a convex problem which is solved by dual methods, and in the second step the final resource allocation results is obtained via iterative power rescale operation. Numerical results show the effectiveness of the proposed algorithm.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.E94.B.302/_p
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@ARTICLE{e94-b_1_302,
author={Yuehuai MA, Youyun XU, Jin-Long WANG, },
journal={IEICE TRANSACTIONS on Communications},
title={An Efficient Transmit Power and Bit Rate Allocation Algorithm for OFDM Based Cognitive Radio Systems},
year={2011},
volume={E94-B},
number={1},
pages={302-306},
abstract={We consider the problem of transmit power and bit rate allocation for OFDM based cognitive radio systems. An efficient allocation algorithm which mainly consists of two steps is proposed to maximize the sum rate of secondary users. In the first step of the algorithm, original nonlinear problem is converted to a convex problem which is solved by dual methods, and in the second step the final resource allocation results is obtained via iterative power rescale operation. Numerical results show the effectiveness of the proposed algorithm.},
keywords={},
doi={10.1587/transcom.E94.B.302},
ISSN={1745-1345},
month={January},}
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TY - JOUR
TI - An Efficient Transmit Power and Bit Rate Allocation Algorithm for OFDM Based Cognitive Radio Systems
T2 - IEICE TRANSACTIONS on Communications
SP - 302
EP - 306
AU - Yuehuai MA
AU - Youyun XU
AU - Jin-Long WANG
PY - 2011
DO - 10.1587/transcom.E94.B.302
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E94-B
IS - 1
JA - IEICE TRANSACTIONS on Communications
Y1 - January 2011
AB - We consider the problem of transmit power and bit rate allocation for OFDM based cognitive radio systems. An efficient allocation algorithm which mainly consists of two steps is proposed to maximize the sum rate of secondary users. In the first step of the algorithm, original nonlinear problem is converted to a convex problem which is solved by dual methods, and in the second step the final resource allocation results is obtained via iterative power rescale operation. Numerical results show the effectiveness of the proposed algorithm.
ER -