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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.

- Publication
- IEICE TRANSACTIONS on Communications Vol.E94-B No.1 pp.302-306

- Publication Date
- 2011/01/01

- Publicized

- Online ISSN
- 1745-1345

- DOI
- 10.1587/transcom.E94.B.302

- Type of Manuscript
- LETTER

- Category
- Network

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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 -