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    IJCAI
    2007
    169views Artificial Intelligence» more  IJCAI 2007»
    A Comparison of Time-Space Schemes for Graphical Models
    14 years 11 months ago
    A Comparison of Time-Space Schemes for Graphical Models
    Download  www.ics.uci.edu
    We investigate three parameterized algorithmic schemes for graphical models that can accommodate trade-offs between time and space: 1) AND/OR Adaptive Caching (AOC(i)); 2) Variabl...
    Robert Mateescu, Rina Dechter
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    63
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    IEICET
    2006
    105views more  IEICET 2006»
    An Adaptive Frame-Based Interpolation Method of Channel Estimation for Space-Time Block Codes in Moderate Fading Channels
    14 years 9 months ago
    An Adaptive Frame-Based Interpolation Method of Channel Estimation for Space-Time Block Codes in Moderate Fading Channels
    Download  www.cwc.oulu.fi
    Abstract -- The application of Orthogonal SpaceTime Block Codes (O-STBC) as the encoding scheme in the presence of "non-quasi-static" fading was considered. A simple and ...
    Gabriel Porto Villardi, Giuseppe Thadeu Freitas de...
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    GLOBECOM
    2007
    IEEE
    111views Communications» more  GLOBECOM 2007»
    Maximum Likelihood Detection and Optimal Code Design for Differential Unitary Space-Time Modulation with Carrier Frequency Offse
    15 years 4 months ago
    Maximum Likelihood Detection and Optimal Code Design for Differential Unitary Space-Time Modulation with Carrier Frequency Offse
    Download  www.ece.ualberta.ca
    Abstract— In this paper, we answer the question that “Can conventional differential unitary space time modulation (DUSTM) be applied when there is an unknown carrier frequency ...
    Tao Cui, Feifei Gao, Arumugam Nallanathan, Chintha...
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    GLOBECOM
    2007
    IEEE
    141views Communications» more  GLOBECOM 2007»
    Symbol Error Rate Calculation for Alamouti Space Time Coded OFDM in Direct Conversion Receivers
    15 years 4 months ago
    Symbol Error Rate Calculation for Alamouti Space Time Coded OFDM in Direct Conversion Receivers
    Download  wwwmns.ifn.et.tu-dresden.de
    —In this paper we present an analytical approach to evaluate the M-QAM symbol error rate (SER) of Alamouti space time coded OFDM direct conversion receivers subject to carrier fr...
    Marco Krondorf, Gerhard Fettweis
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    VTC
    2007
    IEEE
    100views Communications» more  VTC 2007»
    Space-Time Trellis Coding Exploiting Superimposed Transmissions in Half-Duplex Relay Networks
    15 years 3 months ago
    Space-Time Trellis Coding Exploiting Superimposed Transmissions in Half-Duplex Relay Networks
    Download  wwwmns.ifn.et.tu-dresden.de
    — This work presents and analyzes a cooperative relaying approach which offers large scale spatial diversity and an additional coding advantage in a virtual antenna array. It uti...
    Peter Rost, Gerhard Fettweis
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