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Dynamic Spectrum Access for Wireless Networking

  1. Research Article

    Measurements and Analysis of Secondary User Device Effects on Digital Television Receivers

    This article presents results from a study of the potential effects of secondary users operating in unoccupied television spectrum. Television spectrum is known within the wireless communications community as ...

    Timothy R. Newman, Daniel DePardo, Alexander M. Wyglinski, Joseph B. Evans, Rakesh Rajbanshi, Victor R. Petty, Dinesh Datla, Frederick Weidling, Paul J. Kolodzy, Michael J. Marcus, Gary J. Minden and James A. Roberts

    EURASIP Journal on Advances in Signal Processing 2009 2009:510867

    Published on: 30 November 2009

  2. Research Article

    Spectrum Sharing in an ISM Band: Outage Performance of a Hybrid DS/FH Spread Spectrum System with Beamforming

    This paper investigates spectrum sharing issues in the unlicensed industrial, scientific, and medical (ISM) bands. It presents a radio frequency measurement setup and measurement results in 2.4 GHz. It then de...

    Hanyu Li, Mubashir Syed, Yu-Dong Yao and Theodoros Kamakaris

    EURASIP Journal on Advances in Signal Processing 2009 2009:834527

    Published on: 9 November 2009

  3. Research Article

    Intercluster Connection in Cognitive Wireless Mesh Networks Based on Intelligent Network Coding

    Cognitive wireless mesh networks have great flexibility to improve spectrum resource utilization, within which secondary users (SUs) can opportunistically access the authorized frequency bands while being comp...

    Xianfu Chen, Zhifeng Zhao, Tao Jiang, David Grace and Honggang Zhang

    EURASIP Journal on Advances in Signal Processing 2009 2009:141097

    Published on: 5 October 2009

  4. Research Article

    Inter-Operator Spectrum Sharing from a Game Theoretical Perspective

    We address the problem of spectrum sharing where competitive operators coexist in the same frequency band. First, we model this problem as a strategic non-cooperative game where operators simultaneously share the...

    Mehdi Bennis, Samson Lasaulce and Merouane Debbah

    EURASIP Journal on Advances in Signal Processing 2009 2009:295739

    Published on: 9 September 2009

  5. Research Article

    Opportunistic Spectrum Access in Self-Similar Primary Traffic

    We take a stochastic optimization approach to opportunity tracking and access in self-similar primary traffic. Based on a multiple time-scale hierarchical Markovian model, we formulate opportunity tracking and...

    Xiangyang Xiao, Keqin Liu and Qing Zhao

    EURASIP Journal on Advances in Signal Processing 2009 2009:762547

    Published on: 7 September 2009

  6. Research Article

    Blind Detection of Wideband Interference for Cognitive Radio Applications

    Cognitive radio technologies are being developed which allow heterogeneous systems to share spectrum access while minimizing interference to improve the overall efficiency of spectrum usage. Thus, one importan...

    Alan J. Coulson

    EURASIP Journal on Advances in Signal Processing 2009 2009:727686

    Published on: 3 September 2009

  7. Research Article

    Optimization of Sensing Receiver for Cognitive Radio Applications

    We propose an optimized dedicated broadband sensing receiver architecture for use in cognitive radios supporting delay sensitive applications. Specifically, we first reason the need for a dedicated sensing rec...

    Hassan Zamat and Balasubramaniam Natarajan

    EURASIP Journal on Advances in Signal Processing 2009 2009:309212

    Published on: 2 September 2009

  8. Research Article

    Outage Performance of Flexible OFDM Schemes in Packet-Switched Transmissions

    α-OFDM, a generalization of the OFDM modulation, is proposed. This new modulation enhances the outage capacity performance of bursty communications. The α-OFDM scheme is easily implementable as it only requires a...

    Romain Couillet and Mérouane Debbah

    EURASIP Journal on Advances in Signal Processing 2009 2009:698417

    Published on: 29 August 2009

  9. Research Article

    Secure Collision-Free Frequency Hopping for OFDMA-Based Wireless Networks

    This paper considers highly efficient antijamming system design using secure dynamic spectrum access control. First, we propose a collision-free frequency hopping (CFFH) system based on the OFDMA framework and...

    Leonard Lightfoot, Lei Zhang, Jian Ren and Tongtong Li

    EURASIP Journal on Advances in Signal Processing 2009 2009:361063

    Published on: 20 August 2009