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1. 重庆交通大学信息科学与工程学院,重庆400074
2. 重庆邮电大学通信与信息工程学院,重庆400065
[ "刘玲(1963-),女,重庆交通大学信息科学与工程学院副教授,主要研究方向为计算机教学和软件设计。" ]
[ "鲜永菊(1973-),女,博士,重庆邮电大学通信与信息工程学院副教授,主要研究方向为认知无线电关键技术、LTE 与LTE-Advanced关键技术等。" ]
[ "朱佳(1989-),男,重庆邮电大学通信与信息工程学院硕士生,主要研究方向为认知无线电关键技术。" ]
网络出版日期:2016-01,
纸质出版日期:2016-01-20
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刘玲, 鲜永菊, 朱佳. 基于QoS保证的多种频谱资源联合分配算法[J]. 电信科学, 2016,32(1):46-53.
Ling LIU, Yongju XIAN, Jia ZHU. Multi-type spectrum resources joint distribution algorithm based on guaranteed QoS[J]. Telecommunications science, 2016, 32(1): 46-53.
刘玲, 鲜永菊, 朱佳. 基于QoS保证的多种频谱资源联合分配算法[J]. 电信科学, 2016,32(1):46-53. DOI: 10.11959/j.issn.1000-0801.2016007.
Ling LIU, Yongju XIAN, Jia ZHU. Multi-type spectrum resources joint distribution algorithm based on guaranteed QoS[J]. Telecommunications science, 2016, 32(1): 46-53. DOI: 10.11959/j.issn.1000-0801.2016007.
提出了基于静态、半静态和动态频谱资源共性特征指标的频谱可用性定义方法,并借鉴改进的最大加权时延优先(modified largest weight delay first
M-LWDF)算法的QoS需求定义方法,定义了用户的业务需求指标。在此基础上,提出了结合频谱可用性和用户业务需求的频谱分配方法和二次分配方法,其核心思想是将用户需求和频谱资源的可用性按照一定的方式量化,再采用简单的按大小一一对应的方式进行分配。与随机分配方案、先静后动的频谱分配方案的仿真对比表明,本方案在平均失败次数、平均总速率等性能方面具有明显的改善。
The definition of the spectrum availability in terms of static spectrum
semi-static spectrum and dynamic spectrum and the definition of service requirement index based on M-LWDF QoS definition were proposed.A spectrum allocation method and a redistribution method combined with spectrum availability and subscriber requirement were presented.The main idea of the method is that subscriber requirement and availability of spectrum resource are quantified
and then spectrum resources are allocated to subscribers by a one-to-one mapping based on their quantified values in the same sequence.Compared with the random distribution scheme and the dynamic scheme following static allocation
simulation results show that the scheme presented can obviously improve system performance in average number of failure distribution and average total data rate.
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