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	1. A Simplified Architecture of Qos for the IEEE802.16 BWA System
	Huaming Lv,Jing Nie,Chenglin Zhao,Zheng Zhou
	Electrics, Communication and Autocontrol Technology 16 November 2005
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	Abstract:In order to realize QoS in the IEEE802.16 BWA system, a simplified QoS architecture for the IEEE802.16 MAC protocol is proposed and a bandwidth allocation and admission control policy for the architecture is given.
	TO cite this article:Huaming Lv,Jing Nie,Chenglin Zhao, et al. A Simplified Architecture of Qos for the IEEE802.16 BWA System[OL].[16 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3663


	2. The Mobile Video Surveillance System Based On Wireless LAN
	Wang Chunhua ,Mao Zheng ,Zhang Yu ,Luo Hailong
	Electrics, Communication and Autocontrol Technology 03 October 2005
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	Abstract:This paper proposes a design scheme of mobile video surveillance system based on wireless LAN (WLAN), the overall system architecture and key technologies introduced. The operating principle, process and realization of several modules are described in detail, such as video capturing, video reproducing, video wireless transmitting, video playing on the mobile terminals PDA, etc. IP multicast and MPEG-4 codec techniques are used too, so the system can realize real-time video transmission in the way of from one point to many.
	TO cite this article:Wang Chunhua ,Mao Zheng ,Zhang Yu , et al. The Mobile Video Surveillance System Based On Wireless LAN[OL].[ 3 October 2005] http://en.paper.edu.cn/en_releasepaper/content/3126


	3. Low-Complexity Adaptive MMSE Space-time Multiuser Detection in Multipath CDMA Systems
	Ling-yun Lu,Yang Xiao
	Electrics, Communication and Autocontrol Technology 06 July 2005
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	Abstract: High quality mobile services have to eliminate multiple-access interference (MAI) and multipath inference that affect CDMA systems receivers. To this purpose, MMSE space-time multiuser detection has been proposed [1]. However, they usually need more complexity computation in receivers. Therefore, in such case, a low-complexity MMSE detector is required. In this paper, we adopt the Lagrange multipliers method and extend the constraint space, and present an adaptive MMSE space-time multiuser detector. Simulation results show that the scheme can offer significant performance enhancement over the conventional MMSE detection method.
	TO cite this article:Ling-yun Lu,Yang Xiao. Low-Complexity Adaptive MMSE Space-time Multiuser Detection in Multipath CDMA Systems[OL].[ 6 July 2005] http://en.paper.edu.cn/en_releasepaper/content/2374


	4. MIMO Channel Estimation in Time-Varying Frequency-Selective Fading Case: A First Order Statistical Method
	Yang Luxi,Tao Jun
	Electrics, Communication and Autocontrol Technology 23 May 2005
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	Abstract:The technology of Multiple Input and Multiple Output (MIMO) is a breakthrough in the field of mobile communication. In this paper, we address the problem of MIMO time-variant channel estimation and propose a method based on the first-order statistics of received measurements. In the proposed method, periodic sequences with different periods are superimposed on the information-bearing symbols corresponding to different transmit antennas. And in this way, coefficients of different sub-channels can be separated for estimation. Simulations are given to verify effectiveness of the method. Besides, as an attempt to solve the problem of high peak-to-average symbol power ratio due to the superimposed sequences, a thorough analysis is given and optimal sequence in the sense of minimizing peak-to-average symbol power ration is designed.
	TO cite this article:Yang Luxi,Tao Jun. MIMO Channel Estimation in Time-Varying Frequency-Selective Fading Case: A First Order Statistical Method[OL].[23 May 2005] http://en.paper.edu.cn/en_releasepaper/content/2086


	5. Design and Implementation of Edge Routers in Optical Burst Switching Networks
	Hongxiang Guo,Jian Wu,Jintong Lin
	Electrics, Communication and Autocontrol Technology 11 April 2005
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	Abstract:This paper investigates some key issues on designing the edge router in optical burst switching (OBS) networks, such as burst assembly, burst scheduling and burst transceiver, and then presents a rack-mounted prototype based on current technology level. Experimental results verify various functions in the demonstrated edge router.
	TO cite this article:Hongxiang Guo,Jian Wu,Jintong Lin. Design and Implementation of Edge Routers in Optical Burst Switching Networks[OL].[11 April 2005] http://en.paper.edu.cn/en_releasepaper/content/1828


	6. Multi-Step Quantum secure direct communication using multi-particle Green-Horne-Zeilinger state
	Chuan Wang,Fu Guo Deng
	Electrics, Communication and Autocontrol Technology 21 February 2005
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	Abstract:A multi-step quantum secure direct communication protocol using blocks of multi-particle maximally entangled state is proposed. In this protocol, the particles in a Green-Horne-Zeilinger state are sent from Alice to Bob in batches in several steps. It has the advantage of high efficiency, and high source capacity.
	TO cite this article:Chuan Wang,Fu Guo Deng. Multi-Step Quantum secure direct communication using multi-particle Green-Horne-Zeilinger state[OL].[21 February 2005] http://en.paper.edu.cn/en_releasepaper/content/1574


	7. Adaptive Multi-hop Access Routing Protocol in NGN Heterogeneous Networks
	Xin He,ChengLin Zhao,Zheng Zhou,Feng Lu
	Electrics, Communication and Autocontrol Technology 06 January 2005
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	Abstract:he next generation networks will be an all IPv6 based network and composed of diverse wired and wireless radio access technologies. The signals received by mobile terminals may come from different networks. How to select the best network suitable to current traffic is the key issue of guaranteeing the service of quality in heterogeneous networks. The traditional single-hop access method used in 3G/2.5G cellular network will inevitably cause the base station as a communication bottleneck. MANET utilizes the dynamic multi-hop routing method. Mobile nodes in ad hoc network are also as routers, which increase the power consuming of mobile nodes. An adaptive multi-hop access routing protocol is newly presented in this paper. It combines the single hop character used in conversional cellular networks with the self-organization in ad hoc networks. When quality of service of the network access points cannot satisfy the service demands, the mobile terminals can transfer packets with the hel
	TO cite this article:Xin He,ChengLin Zhao,Zheng Zhou, et al. Adaptive Multi-hop Access Routing Protocol in NGN Heterogeneous Networks[OL].[ 6 January 2005] http://en.paper.edu.cn/en_releasepaper/content/1427

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