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用于多址接入信道的LDPC码优化设计

期刊名称：EI索引号：20083011401588
时间：0
分类：F721.6[经济管理—产业经济] TN92[电子电信—通信与信息系统;电子电信—信息与通信工程]
作者机构：[1]Key Laboratory of Universal Wireless Communications, Ministry of Education, Beijing University of Posts and Telecommunications, Beijing 100876, China
相关基金：This work was supported by the National Basic Research Program of China （2009CB320401）, the National Natural Science Foundation of China （60772108）, and the Fundamental Research Funds for the Central Universities （BUPT2009RC0111）.
相关项目：宽带移动通信系统中迭代同步理论与算法研究

关键词：频谱资源, 租赁市场, 二级光谱, 定价模式, 辅助节点, 合作交流, 贸易合作, 服务质量, cognitive radio,property rights,cooperative transmission,spectrum leasing,secondary spectrum market

中文摘要：

根据认知无线电的产权模型的意见，拥有的主要用户光谱资源有权利为适当利润在交换租借或做贸易它的部分到第二等的用户。在这份报纸，这个框架的实现被调查，在一个主要连接能为合作在交换租借拥有的光谱到第二等的节点的地方(中继) 。一个新奇定价模型被建议那启用在光谱和合作之间做贸易。基于第二等的节点的需求，由设置光谱的价格最大化它服务(QoS ) 的质量的主要连接尝试。拿价格由主要连接问了，获得大多数的第二等的节点目的由决定光谱的数量由合作传播买然后支付它获利。调查模型方便地在卖主 / 买主(Stackelberg ) 的框架被扔比赛。分析和数字结果证明我们的定价模型为基于做贸易租借的光谱有效、实际光谱为合作的资源。

英文摘要：

According to the property rights model of cognitive radio,primary users who own the spectral resource have the right to lease or trade part of it to secondary users in exchange for appropriate profit.In this paper,an implementation of this framework is investigated,where a primary link can lease the owned spectrum to secondary nodes in exchange for cooperation （relaying）.A novel pricing model is proposed that enables the trading between spectrum and cooperation.Based on the demand of secondary nodes,the primary link attempts to maximize its quality of service （QoS） by setting the price of spectrum.Taking the price asked by primary link,the secondary nodes aim to obtain most profits by deciding the amount of spectrum to buy and then pay for it by cooperative transmission.The investigated model is conveniently cast in the framework of seller/buyer （Stackelberg） games.Analysis and numerical results show that our pricing model is effective and practical for spectrum leasing based on trading spectral resource for cooperation.

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