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Distributed multi-agent scheme support for service continuity in IMS-4G-Cloud networks

对在 IMS-4G-Cloud 的服务连续性的分布式的多代理人计划支持联网 <sup></sup>

作     者:Hsieh, Han-Chuan Chen, Jiann-Liang 

作者机构:Natl Taiwan Univ Sci & Technol Dept Elect Engn Taipei Taiwan 

出 版 物:《COMPUTERS & ELECTRICAL ENGINEERING》 (计算机与电工)

年 卷 期:2015年第42卷

页      面:49-59页

核心收录:

学科分类:0808[工学-电气工程] 08[工学] 0812[工学-计算机科学与技术(可授工学、理学学位)] 

基  金:National Science Council  ROC [NSC 97-2219-E-011-008  NSC 98-2219-E-011-006  NSC 99-2219-E-011-006] 

主  题:Heterogeneous network Cooperative networking Distributed Multi-Agent Scheme (DMAS) IP Multimedia Subsystem (IMS) Q-Learning algorithm Quality of Service (QoS) 

摘      要:In this study, the Quality of Service (QoS) needed to support service continuity in heterogeneous networks is achieved by a Distributed Multi-Agent Scheme (DMAS) based on cooperation concepts and an awareness algorithm. A set of problem solving agents autonomously process local tasks and cooperatively interoperate via an in-cloud blackboard system to provide QoS and mobility information. A Q-Learning awareness algorithm calculates the exceptive rewards of a handoff to all access networks. These rewards are then used by problem solving agents to determine what actions must be performed. Agents located in the integrated IMS-4G-Cloud networks handle service continuity by using a handoff mechanism. Through operations and cooperation among active agents, these phases select a policy for predictive and anticipated IF Multimedia Subsystem (IMS) handoff management. Compared with conventional IMS handoff management, the proposed DMAS scheme achieves shorter handoff delay and better QoS for real-time service applications. (C) 2014 Elsevier Ltd. All rights reserved.

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