By Topic

Communication Software and Networks, 2009. ICCSN '09. International Conference on

Date 27-28 Feb. 2009

Filter Results

Displaying Results 1 - 25 of 186
  • [Front cover]

    Publication Year: 2009
    Request permission for commercial reuse | PDF file iconPDF (272 KB)
    Freely Available from IEEE
  • [Title page i]

    Publication Year: 2009, Page(s): i
    Request permission for commercial reuse | PDF file iconPDF (27 KB)
    Freely Available from IEEE
  • [Title page iii]

    Publication Year: 2009, Page(s): iii
    Request permission for commercial reuse | PDF file iconPDF (69 KB)
    Freely Available from IEEE
  • [Copyright notice]

    Publication Year: 2009, Page(s): iv
    Request permission for commercial reuse | PDF file iconPDF (64 KB)
    Freely Available from IEEE
  • Table of contents

    Publication Year: 2009, Page(s):v - xvii
    Request permission for commercial reuse | PDF file iconPDF (189 KB)
    Freely Available from IEEE
  • Preface

    Publication Year: 2009, Page(s):xviii - xix
    Request permission for commercial reuse | PDF file iconPDF (140 KB) | HTML iconHTML
    Freely Available from IEEE
  • Organizing Committee

    Publication Year: 2009, Page(s): xx
    Request permission for commercial reuse | PDF file iconPDF (142 KB)
    Freely Available from IEEE
  • ICCET 2009 Committee Members

    Publication Year: 2009, Page(s): xxi
    Request permission for commercial reuse | PDF file iconPDF (126 KB)
    Freely Available from IEEE
  • An Object Tracking Technique in Wireless Sensor Network Based on Prediction

    Publication Year: 2009, Page(s):3 - 8
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (620 KB) | HTML iconHTML

    Motion features have not been considered synthetically in all kinds of present object tracking techniques. A new object tracking techniques based on prediction is proposed. At first it decides motion features of the object depending on current measurements or history records of its motion, and then predicts its future location by integrating with its current information such as location, velocity,... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • An Anti-Jamming GPS Receiver Based on Subspace Decomposition Method

    Publication Year: 2009, Page(s):9 - 12
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (228 KB) | HTML iconHTML

    Code delay and Doppler shifted frequency would not captured using the conventional GPS receiver in the strong interference case because the received GPS signals which traveled a long distance were very weak. In the paper design of an anti-jamming GPS receiver is proposed. First, the interferences in the received signals are canceled through subspace projecting technique and the resulting interfere... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Design and Realization of Remote Control in Smart Home System

    Publication Year: 2009, Page(s):13 - 15
    Cited by:  Papers (4)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (288 KB) | HTML iconHTML

    The technology of remote control is suit to home status monitor, so remote control is one of core functions in smart home system. After analyzing typical framework of smart home system, software framework of main controller in smart home is proposed. Deeply analyzing remote monitoring technology which is suitable to smart home, thorough comparisons about implementation schemes of remote control ar... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • The Frequency-Domain Method for UWB Pulse Design

    Publication Year: 2009, Page(s):16 - 19
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (623 KB) | HTML iconHTML

    This paper presents a new method, the frequency-domain method, to design UWB pulse. The frequency-domain method has the flexibility of designing pulses to fit different power spectral constraints. It designs two UWB pulses using the new method. The designed pulses have short time duration, meet the power spectral constraint of FCC, and have high mask-filling efficiency. View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Real-Time Multi-Channel Signal Acquisition Card Based on PCI Express Interface

    Publication Year: 2009, Page(s):20 - 24
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (877 KB) | HTML iconHTML

    In this paper, we introduce a real-time multi-channel signal acquisition card based on PCI express interface and describe the design of direct memory access (DMA) data transfer system based on PCI-express windows driver model (WDM). The signal acquisition card contains a programmable FPGA logic and a PLX PCI express-to-PCI bridge. The solution to use a PLX PEX 8114 bridge external to the programma... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Cross-Layer Queue Management Algorithm in 802.16 Wireless Networks

    Publication Year: 2009, Page(s):25 - 29
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (658 KB) | HTML iconHTML

    Congestion is regarded as one of the main reasons for the performance decrease in wireless networks,which exists in 802.16 wireless networks too. To control congestion better, this paper proposes an active queue management (AQM) algorithm named WDBQ (wireless delay-based queue) according to the characteristic of 802.16 wireless networks. The algorithm detects congestion by using packet queueing de... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Study on Throughput for AOS Packet Service and Channel Adaptive Strategy

    Publication Year: 2009, Page(s):30 - 34
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (700 KB) | HTML iconHTML

    In this paper, the throughput of AOS protocol packet service under binary memoryless random error channel is studied. A throughput formula is given, and the impact of transfer frame length on throughput is also discussed. It is shown that an optimal AOS transfer frame length which maximizes the throughput under a certain bit error rate (BER) does exist, and its uniqueness is also verified. Finally... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Clothes Image Searching System Based on CTS

    Publication Year: 2009, Page(s):35 - 39
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (666 KB) | HTML iconHTML

    One of the main difficulties in Clothes image searching is the variability of appearance of an object of interest. Clothes image feature extraction is a very active research area under this situation. Through build a Clothes concept semantic structure Clothes Tree Semantic Structure, the Clothes Image Searching System based on Scale Invariant Feature Transform(SIFT) is proposed in the paper. Exper... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Design and Implementation of a SIP-Based Centralized Multimedia Conferencing System

    Publication Year: 2009, Page(s):40 - 44
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (774 KB) | HTML iconHTML

    Multimedia conferencing is becoming a hot topic of communication in recent years. There are already a few products of multimedia conferencing based on H.323. SIP, which is a more feasible protocol, is put on the agenda of being the call signaling protocol for conferencing. Most of the researches on SIP-based multimedia conferencing, however, have still remained on theories or experiments. In this ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Joint Detection and Decoding Based on MIMO Systems

    Publication Year: 2009, Page(s):45 - 47
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB) | HTML iconHTML

    In this paper, a signal detection scheme through the iterative joint MIMO parallel interference (PIC) detection and decoding is proposed for convolutional encoding MIMO systems. The output of decoder is again feedback to MIMO detection for doing interference cancellation. So performance of receiver is improved by the joint iterative detection and decoding. The performance of algorithm is evaluated... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A New Iterative Channel Estimation Scheme for V-BLAST MIMO-OFDM Systems

    Publication Year: 2009, Page(s):48 - 52
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (656 KB) | HTML iconHTML

    A new iterative channel estimation scheme for V-BLAST MIMO-OFDM systems is proposed in this paper. The channel estimation consists of two parts. Firstly, we use pilot-symbol-aided (PSA) method to interpolate the channel, and get the initial channel estimation of the systems. Then, with Turbo iterative decoding, we feedback the information bits to the channel estimator and the EM algorithm is used ... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Uniform Negotiation and Delivery Mechanism for SIP-Based Conferencing System

    Publication Year: 2009, Page(s):53 - 57
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (601 KB) | HTML iconHTML

    In this paper we present a uniform negotiation and delivery mechanism for SIP-based conferencing system over IP network. With this mechanism rich innovative collaboration services can be developed conveniently to provide users with novel communication experience in IETF centralized conferencing (XCON) system. The mechanism adopts the extended SDP and offer/answer model as media description and neg... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • An Innovative Hybrid P2P Location Network for P2P Workflow Systems

    Publication Year: 2009, Page(s):61 - 65
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (710 KB) | HTML iconHTML

    P2P workflow systems meet the development trend of workflow systems. The running path optimization (the path with the minimum running time which consists of the services discovery time and the task execution time) in full-distribution(decentralized) environments has been a bottleneck restricting the performance of P2P workflow systems. Aiming at this problem, this paper proposes an innovative hybr... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • Grouped Linear ZF Receiver for Multiple Antenna Systems

    Publication Year: 2009, Page(s):66 - 68
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (610 KB) | HTML iconHTML

    In this paper, we present a new group iterative linear zero-forcing receiver for MIMO system. The signals of all layers are firstly grouped and the signals in every group are detection by linear Zero-Forcing method. The successive interference cancellation detection is applied between the difference groups. Simulation results states the proposed algorithm achieves marked performance improvement co... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A P2P Security Model Based on Trust and Availability

    Publication Year: 2009, Page(s):69 - 72
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (625 KB) | HTML iconHTML

    In order to overcome the existing deficiencies that studies pure trust mechanism in the current P2P research, the concept of the availability grade and the reputation grade such as the subject and the object are introduced. A new P2P access control model based on trust and availability is defined, which strategies are compatible and expansion of the existing access control strategy, by used the ex... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • MIMO Time-Varying Channel Tracking with a Polynomial Channel Model via Particle Filtering

    Publication Year: 2009, Page(s):73 - 76
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (221 KB) | HTML iconHTML

    Based on the channel modeling using polynomial, a MIMO time-varying channel tracking algorithm using particle filtering is proposed in this paper. Firstly, a state-space model for MIMO communication system is established, aiming at the non-Gaussian noise from indoor/urban communication environment, and the time-varying channel caused by Doppler frequency shift. Secondly, a polynomial model for MIM... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.
  • A Cross-layer Relay Selection Algorithm for Infrastructure-Based Two-hop Relay Networks

    Publication Year: 2009, Page(s):77 - 81
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (678 KB) | HTML iconHTML

    Relay selection is a key issue in multihop relay networks. This paper proposes a cross-layer design relay selection algorithm for the infrastructure-based two-hop relay networks by introducing a novel utility function as the relay selection criterion. The proposed algorithm considers both channel state information(CSI) at physical layer and queue state informance (QSI) at data link layer, the goal... View full abstract»

    Full text access may be available. Click article title to sign in or learn about subscription options.