Journal
IEICE TRANSACTIONS ON FUNDAMENTALS OF ELECTRONICS COMMUNICATIONS AND COMPUTER SCIENCES
Volume E100A, Issue 11, Pages 2543-2546Publisher
IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG
DOI: 10.1587/transfun.E100.A.2543
Keywords
non-orthogonal multiple access (NOMA); power allocation; Stackelberg game; rate proportional fairness
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Funding
- Scientific and Technological Research Program of Chongqing Municipal Education Commission [KJ1600424]
- PhD research startup foundation of Chongqing University of Posts and Telecommunications [A2015-41]
- Science Research Project of Chongqing University of Posts and Telecommunications for Young Scholars [A2015-62]
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In this letter, we investigate the price-based power allocation with rate proportional fairness constraint in downlink non-orthogonal multiple access (NOMA) systems. The Stackelberg game is utilized to model the interaction between the base station (BS) and users. The revenue maximization problem of the BS is first converted to rate allocation problem, then the optimal rate allocation for each user is obtained by variable substitution. Finally, a price-based power allocation with rate proportional fairness (PAPF) algorithm is proposed based on the relationship between rate and transmit power. Simulation results show that the proposed PAPF algorithm is superior to the previous price-based power allocation algorithm in terms of fairness index and minimum normalized user (MNU) rate.
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