CAJ | 학술논문

针对认知无线网络中的动态频谱分配问题,引入双边市场模型,提出了基于集合竞价置换的双向动态频谱分配算法(SBPA,set bid permutation algorithm).该算法考虑认知用户的个体理性,将拍卖参与双方之间的博弈抽象为认知用户之间的博弈.在频谱拍卖过程中,每个认知用户独立竞价,代理商划分认知用户集合并根据认知用户的集合竞价、拍卖双方的真实出价以及拍卖双方的赢家对频谱进行分配.仿真结果表明,该算法能够显著地提高拍卖成交率和拍卖收益,并具有较优的β-竞争性.
침대인지무선망락중적동태빈보분배문제,인입쌍변시장모형,제출료기우집합경개치환적쌍향동태빈보분배산법(SBPA,set bid permutation algorithm).해산법고필인지용호적개체이성,장박매삼여쌍방지간적박혁추상위인지용호지간적박혁.재빈보박매과정중,매개인지용호독립경개,대리상화분인지용호집합병근거인지용호적집합경개、박매쌍방적진실출개이급박매쌍방적영가대빈보진행분배.방진결과표명,해산법능구현저지제고박매성교솔화박매수익,병구유교우적β-경쟁성.
Aiming at the problems of dynamic spectrum allocation in cognitive radio networks, by establishing bi-lateral market model, a double dynamic spectrum allocation algorithm based on set bid permutation is proposed. Taking the individual rationality of the participants into account, this algorithm abstracts the game between two parties of the auction as the game between cognitive users. In the process of the auction, each cognitive user bids independently, and the auctioneer then divides the cognitive users set and distributes the spectrum according to cognitive users set bids, the real payments and the winners of two parties. Simulation illustrates great improvement of transaction rate, revenue and preferable β-competitiveness.