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Smart Antennas for Next Generation Wireless Systems

  1. Research Article

    Capacity of MIMO-OFDM with Pilot-Aided Channel Estimation

    An analytical framework is established to dimension the pilot grid for MIMO-OFDM operating in time-variant frequency selective channels. The optimum placement of pilot symbols in terms of overhead and power al...

    Ivan Cosovic and Gunther Auer

    EURASIP Journal on Wireless Communications and Networking 2008 2007:032460

    Published on: 18 March 2008

  2. Research Article

    Diversity Characterization of Optimized Two-Antenna Systems for UMTS Handsets

    This paper presents the evaluation of the diversity performance of several two-antenna systems for UMTS terminals. All the measurements are done in a reverberation chamber and in a Wheeler cap setup. First, a ...

    A. Diallo, P. Le Thuc, C. Luxey, R. Staraj, G. Kossiavas, M. Franzén and P. -S. Kildal

    EURASIP Journal on Wireless Communications and Networking 2008 2007:037574

    Published on: 27 January 2008

  3. Research Article

    Capacity Performance of Adaptive Receive Antenna Subarray Formation for MIMO Systems

    Antenna subarray formation is a novel RF preprocessing technique that reduces the hardware complexity of MIMO systems while alleviating the performance degradations of conventional antenna selection schemes. W...

    Panagiotis Theofilakos and Athanasios G. Kanatas

    EURASIP Journal on Wireless Communications and Networking 2007 2007:056471

    Published on: 13 December 2007

  4. Research Article

    Transmit Diversity at the Cell Border Using Smart Base Stations

    We address the problems at the most critical area in a cellular multicarrier code division multiple access (MC-CDMA) network, namely, the cell border. At a mobile terminal the diversity can be increased by usi...

    Simon Plass, Ronald Raulefs and Armin Dammann

    EURASIP Journal on Wireless Communications and Networking 2007 2007:060654

    Published on: 10 December 2007

  5. Research Article

    A Simplified Constant Modulus Algorithm for Blind Recovery of MIMO QAM and PSK Signals: A Criterion with Convergence Analysis

    The problem of blind recovery of QAM and PSK signals for multiple-input multiple-output (MIMO) communication systems is investigated. We propose a simplified version of the well-known constant modulus algorith...

    Aissa Ikhlef and Daniel Le Guennec

    EURASIP Journal on Wireless Communications and Networking 2007 2007:090401

    Published on: 9 December 2007

  6. Research Article

    SmartMIMO: An Energy-Aware Adaptive MIMO-OFDM Radio Link Control for Next-Generation Wireless Local Area Networks

    Multiantenna systems and more particularly those operating on multiple input and multiple output (MIMO) channels are currently a must to improve wireless links spectrum efficiency and/or robustness. There exis...

    Bruno Bougard, Gregory Lenoir, Antoine Dejonghe, Liesbet Van der Perre, Francky Catthoor and Wim Dehaene

    EURASIP Journal on Wireless Communications and Networking 2007 2007:098186

    Published on: 5 December 2007

  7. Research Article

    Inter- and Intrasite Correlations of Large-Scale Parameters from Macrocellular Measurements at 1800 MHz

    The inter- and intrasite correlation properties of shadow fading and power-weighted angle spread at both the mobile station and the base station are studied utilizing narrowband multisite MIMO measurements in ...

    Niklas Jaldén, Per Zetterberg, Björn Ottersten and Laura Garcia

    EURASIP Journal on Wireless Communications and Networking 2007 2007:025757

    Published on: 15 November 2007

  8. Research Article

    Cross-Layer Admission Control Policy for CDMA Beamforming Systems

    A novel admission control (AC) policy is proposed for the uplink of a cellular CDMA beamforming system. An approximated power control feasibility condition (PCFC), required by a cross-layer AC policy, is deriv...

    Wei Sheng and Steven D. Blostein

    EURASIP Journal on Wireless Communications and Networking 2007 2007:014562

    Published on: 31 October 2007

  9. Research Article

    Multiple-Antenna Interference Cancellation for WLAN with MAC Interference Avoidance in Open Access Networks

    The potential of multiantenna interference cancellation receiver algorithms for increasing the uplink throughput in WLAN systems such as 802.11 is investigated. The medium access control (MAC) in such systems ...

    Alexandr M. Kuzminskiy and HamidReza Karimi

    EURASIP Journal on Wireless Communications and Networking 2007 2007:051358

    Published on: 22 October 2007

  10. Research Article

    Tower-Top Antenna Array Calibration Scheme for Next Generation Networks

    Recently, there has been increased interest in moving the RF electronics in basestations from the bottom of the tower to the top, yielding improved power efficiencies and reductions in infrastructural costs. T...

    Justine McCormack, Tim Cooper and Ronan Farrell

    EURASIP Journal on Wireless Communications and Networking 2007 2007:041941

    Published on: 10 October 2007

  11. Research Article

    Joint Estimation of Mutual Coupling, Element Factor, and Phase Center in Antenna Arrays

    A novel method is proposed for estimation of the mutual coupling matrix of an antenna array. The method extends previous work by incorporating an unknown phase center and the element factor (antenna radiation ...

    Marc Mowlér, Björn Lindmark, Erik G. Larsson and Björn Ottersten

    EURASIP Journal on Wireless Communications and Networking 2007 2007:030684

    Published on: 9 October 2007