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	1. Synthesis and characterization of bismuth titanate by an aqueous sol-gel method
	Ma Hanxiao,Wang Jie,Li Xifei
	Electrics, Communication and Autocontrol Technology 05 July 2006
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	Abstract:A high stable, reproducible and water-based bismuth titanate (BTO) sol system has been synthesized by an aqueous sol-gel method. First bismuth nitrate was dissolved in acetic acid, and then it was mixed with a solution of lactic acid dissolved tetra-n-butyl titanate, subsequently, water was added to adjust sol concentration. The obtained sols or gels were characterized by Ultraviolet-Visible Spectrophotometer (UV), differential thermal analysis and thermo-gravimetry (TG-DTA), in-situ Raman, and high-temperature X-ray diffraction (HT-XRD). Results show that the BTO sol can keep stable for more than one year and completely convert into BTO at 533℃.
	TO cite this article:Ma Hanxiao,Wang Jie,Li Xifei. Synthesis and characterization of bismuth titanate by an aqueous sol-gel method[OL].[ 5 July 2006] http://en.paper.edu.cn/en_releasepaper/content/7473


	2. Performance Analysis of MIMO-OC Systems with and without Co-channel Interference
	Yue Dianwu
	Electrics, Communication and Autocontrol Technology 12 June 2006
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	Abstract:In this paper, we investigate performance of multiple-input /multiple-output (MIMO) systems employing optimum combining over spatial correlated Rayleigh fading channels with and without co-channel interference. Based on the theory of complex matrix variate distributions, we give a unified approach to the performance analysis for such MIMO systems, and derive exact closed-form expressions for the system outage probability, which are very general including some of existing related results as special cases and allowing for the correlated structures of both signal and interferers to be arbitrary at both transmitter and receiver ends.
	TO cite this article:Yue Dianwu . Performance Analysis of MIMO-OC Systems with and without Co-channel Interference[OL].[12 June 2006] http://en.paper.edu.cn/en_releasepaper/content/7084

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	3. Simulation and Analysis of Gate Current Through Hf-based High-k Structures for nanoscale MOSFETs
	Wang Wei,Sun Jianping,Gu Ning
	Electrics, Communication and Autocontrol Technology 06 June 2006
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	Abstract:We use a quantum-mechanical model to study the gate tunneling current of Hf-based high-k dielectric films for nanoscale MOSFETs. The three-dimensional gate current component evaluation is performed by the traveling wave calculations for the thermionic emission, Fowler-Nordheim (FN) tunneling, and direct tunneling through the oxide barrier. For the two-dimensional gate current component originated from the subbands in the inversion layers, a transmission calculation is performed. Various Hf-based high-k structures and materials of interest have been examined and compared to access the reduction of gate current in these structures. Effects of nitrogen content, hafnium content, aluminum content, and interfacial layer (IL) on the gate tunneling current have been studied theoretically. Our results show that the reduction of the gate tunneling current can be optimized in terms of the nitrogen content, aluminum content, and the composition of the IL. Our computational results are in very good agreement with experimental data.
	TO cite this article:Wang Wei,Sun Jianping,Gu Ning. Simulation and Analysis of Gate Current Through Hf-based High-k Structures for nanoscale MOSFETs[OL].[ 6 June 2006] http://en.paper.edu.cn/en_releasepaper/content/6965


	4. The Development of GPR System Applied in Quality Detection for Highway
	Bing Feng,Jin Pan,Deqiang Yang
	Electrics, Communication and Autocontrol Technology 10 April 2006
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	Abstract:In this paper, we would like to introduce the basic principle of GPR, the system construction of GPR we developed, a new and effective data processing algorithm, well-suited for engineering. We give some experiments to simulate the factual circumstance in which the quality of the highway can be tested
	TO cite this article:Bing Feng,Jin Pan,Deqiang Yang. The Development of GPR System Applied in Quality Detection for Highway[OL].[10 April 2006] http://en.paper.edu.cn/en_releasepaper/content/6147


	5. A Novel Chaotic Shift Keying Communication Scheme with Frequency Analysis- based Methods
	Tang Binhua ,Yang Zhi
	Electrics, Communication and Autocontrol Technology 30 March 2006
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	Abstract:A novel kind of CSK communication scheme is put forward in the paper, which adopts frequency analysis-based methods (FAM). At the transmitter, the original information bits are modulated with the Chen’s chaotic signals, and then transmitted via the wireless or cable channels, lastly at the receiver, the received modulated signals will be analyzed within the frequency domain. The information can easily be demodulated, with the decisions made from the different frequency domain distribution of the received modulated signals. The relevant analysis and experiments have both demonstrated the potential advantages of the proposed method in communication fields.
	TO cite this article:Tang Binhua ,Yang Zhi . A Novel Chaotic Shift Keying Communication Scheme with Frequency Analysis- based Methods[OL].[30 March 2006] http://en.paper.edu.cn/en_releasepaper/content/6000


	6. A Novel Resource Allocation and Reservation Algorithm for IEEE 802.16 network
	Feng Chang’an ,Xu Fangmin ,Zhou Zheng
	Electrics, Communication and Autocontrol Technology 13 March 2006
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	Abstract:Providing Quality of Service (QoS) guarantees for heterogeneous classes of traffic with different QoS requirements in fixed Broadband Wireless Access (BWA) system is a very important issue. Although IEEE 802.16d MAC protocol has been proposed to support QoS for various kinds of applications, there are still some key points undefined in the protocol, such as the resource allocation and bandwidth request algorithms etc. In this paper, we propose a new resource allocation algorithm for the IEEE 802.16d protocol and present a novel resource reservation scheme. Our algorithm provides QoS support to real-time traffic with high priority while maintaining bandwidth to low priority traffic. Analytical and simulation results illustrate our architecture.
	TO cite this article:Feng Chang’an ,Xu Fangmin ,Zhou Zheng . A Novel Resource Allocation and Reservation Algorithm for IEEE 802.16 network[OL].[13 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5671


	7. Modified Simulation of Path-number Distribution for Multi-Path Radio Propagation in Land High-Speed Locomotive Environment
	Zhang Sheng
	Electrics, Communication and Autocontrol Technology 13 March 2006
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	Abstract:In this paper, a new simulation model are proposed for the path-number distribution for multi-path propagation in land high-speed locomotive environment. Markovian birth-and-death process is considered for the instantaneous path-number variation, involving the factor of speed. A path-number distribution for the multipath propagation in land high speed mobile communications is derived. Theoretical values of the present model agree well with experimental results. The dynamic variation of path number with the mobile station moving is simulated , and both the method and results are presented. This results show the speed is the most important variable, and the method in this paper is better than the other methods.
	TO cite this article:Zhang Sheng. Modified Simulation of Path-number Distribution for Multi-Path Radio Propagation in Land High-Speed Locomotive Environment[OL].[13 March 2006] http://en.paper.edu.cn/en_releasepaper/content/5667


	8. BAYESIAN DETECTION AND DOA ESTIMATION BASED ON MONTE CARLO METHODS
	Jianguo Huang,Da Xie
	Electrics, Communication and Autocontrol Technology 27 February 2006
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	Abstract:A new criterion based on Bayesian MAP densities is proposed for simultaneous detection of signals impinging on a sensor array and estimation of their direction-of-arrival (DOA). The proposed detection criterion is strongly consistent and outperforms the MDL and AIC criteria, particularly for a small number of sensors and/or snapshots, and/or low SNR, and/or small space of angle, without increased computational complexity. Simulation results demonstrate the performance of the proposed solution.
	TO cite this article:Jianguo Huang,Da Xie. BAYESIAN DETECTION AND DOA ESTIMATION BASED ON MONTE CARLO METHODS[OL].[27 February 2006] http://en.paper.edu.cn/en_releasepaper/content/5381


	9. UTILIZING CHANNEL STATE INFORMATION IN SC-FDE: AN OPTIMAL SIGNAL SUBSPACE APPROACH
	DU Yan,GONG Liang,LI Jianfei
	Electrics, Communication and Autocontrol Technology 13 February 2006
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	Abstract:In this paper, we propose a new concept called optimal signal subspace, based on which we introduce a schematic approach of utilizing channel state information in SC-FDE system. We prove that the received signal-to-noise power ratio could achieve its maximum when the transmitted signals are represented by the basis of the optimal signal subspace. Although the spectrum used in this scheme is less than that in traditional SC-FDE systems, simulation results show that the new system has a comparable power and spectrum efficiency when the dimension of the optimal signal subspace is chosen properly. We also propose a criterion for determining the dimension of the optimal signal subspace, with which we can achieve the same bit error rate performance as Gaussian channel when signal transmitted through a multipath channel.
	TO cite this article:DU Yan,GONG Liang,LI Jianfei. UTILIZING CHANNEL STATE INFORMATION IN SC-FDE: AN OPTIMAL SIGNAL SUBSPACE APPROACH[OL].[13 February 2006] http://en.paper.edu.cn/en_releasepaper/content/5216


	10. Self-Orthogonalizing Algorithms for Adaptive Beamforming
	Dayong Xu,Yang Xiao
	Electrics, Communication and Autocontrol Technology 10 February 2006
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	Abstract:The convergence rate of the traditional LMS algorithm for adaptive beamforming is highly dependent on the eigenvalue-structure of the correlation matrix of the signals arriving at the antenna array elements. A poor eigenvalue-structure of the correlation matrix will lead to a bad convergence. In this paper, we applied self-orthogonalizing transform - the Karhunen-Loeve Transform (KLT) to the input signal vector before feeding it into the LMS algorithm, analyzed the influencing factors of the eigenvalue -spread of the correlation matrix, and compared the KLT-LMS algorithm with the traditional LMS algorithm. The simulation results illustrate that the convergence rate of the self-orthogonalizing algorithm is independent of the eigenvalue-structure of the correlation matrix and the KLT-LMS algorithm outperforms the traditional LMS algorithm.
	TO cite this article:Dayong Xu,Yang Xiao. Self-Orthogonalizing Algorithms for Adaptive Beamforming[OL].[10 February 2006] http://en.paper.edu.cn/en_releasepaper/content/5195

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