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融合Ad-hoc和蜂窝网络的中继设备设计
引用本文:任凯强,谢波,郑力明.融合Ad-hoc和蜂窝网络的中继设备设计[J].计算机工程与设计,2012,33(3):860-864.
作者姓名:任凯强  谢波  郑力明
作者单位:暨南大学信息科学技术学院电子工程系,广东广州,510632
基金项目:广东省科技计划基金项目(2008B010200039)
摘    要:为了改善现有移动蜂窝网络在人口密集区域时常出现拥塞的现象,对Ad-hoc和蜂窝网络融合技术进行了研究,提出了一种融合Ad-hoc和蜂窝网络的中继设备实现方案.该方案采用S3C2440控制芯片、无线通信模块和GPRS通讯模块作为硬件开发平台,分析了硬件接口设计和配置,设计了软件系统,实现了Ad-hoc和GSM网络的互联.提出了一种改进的基于信号强度的切换算法,实现了异构网络无缝切换.通过搭建平台对设备进行了测试,结果表明了该设计的可行性.

关 键 词:移动蜂窝网络  Ad-hoc(自组网)  中继设备  通用分组无线服务  切换算法  无缝切换

Design of relaying device integrated Ad-hoc and cellular network
REN Kai-qiang , XIE Bo , ZHENG Li-ming.Design of relaying device integrated Ad-hoc and cellular network[J].Computer Engineering and Design,2012,33(3):860-864.
Authors:REN Kai-qiang  XIE Bo  ZHENG Li-ming
Affiliation:(Department of Electronic Engineering,College of Information Science and Technology, Jinan University,Guangzhou 510632,China)
Abstract:To improve the congestion phenomenon of existing mobile cellular network in densely populated areas,the Ad-hoc and cellular network integration technology is researched,and a realization program of relay device which integrates Ad-hoc and cellular network is proposed.The S3C2440 chip,the wireless communication module and GPRS communication module are chose to build the hardware platform;the interface design and configurations are analyzed and the software system are designed,then interworking between Ad-hoc with cellular network is realized.Furthermore,an improved switching algorithm is proposed to realize seamless switching in the heterogeneous network.Finally,the design feasibility is verified by testing the device on a constructing platform.
Keywords:mobile cellular network  Ad-hoc  relay station  GPRS  switching algorithm  seamless switching
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