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QoS in wireless sensor network
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Advances of diverse wireless access technologies are
defining the trends of future wireless networks, named Next
Generation Wireless Networks (NGWN), where several access
technologies will coexist and devices will be equipped with
different n
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无线通信网络的发展趋势之一是将各种不同无线接入技术进行融合。多接入选择作为无线资源管理中的关键技术是目前异构网融合的研究热点之一。从用户的利益出发，充分考虑预接入网络的费用、QoS 和稳定性；假定不同的网络运营商之间是彼此竞争的，即没有达成统一的协议，提出了一种结合目标代价函数与层次分析法的动态多接入选择算法。通过对影响因素进行分析和二次判断，建立了网络选择决策模型，仿真结果验证了该算法的正确性与有效性。-Trends in wireless communication network is o
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WiMAX and WiFi have emerged as promising
broadband access solutions for the latest generation of wireless
MANs and LANs, respectively. Their complementary features
enable the use of WiMAX as a backhaul service to connect
multiple dispersed Wi
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Abstract—This paper evaluates a novel mapping and scheduling scheme which allows efficient control over the quality-of-service (QoS) experienced by long term evolution (LTE) users when backhauled over an orthogonal frequency division multiple access–
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Producing the quality of service in wireless network is a complex subject because of constraints related to the ad hoc mode as limited bandwidth, sharing medium...etc. The traditional routing based on hop count metric doesn’t take in its consideratio
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The present work treats the problem of routing
data within a wireless sensors network (WSN) for industrial
process control. Our application interests British Gas to monitor
the level of propane in a tank. The considered methodology is
based o
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There is a growing interest of wireless
operators to migrate their existing 3G networks to
different 4G technologies such as Wi MAX and L TE. In
this heterogeneous environment of wireless networks
and architectures, one of the major concerns is h
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