4078 search results - page 463 / 816 » Automatic rate adaptation |
168
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VTC
2008
IEEE
16 years 1 months ago
2008
IEEE
Abstract— An Irregular Bit-Interleaved Coded Modulation based Iterative Decoding (Ir-BICM-ID) aided scheme is proposed. The irregularity of the scheme pervades the three basic co...
213
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— Since carrier frequency offset destroys user’s signal orthogonality in Orthogonal Frequency-Division Multiplexing Access (OFDMA) uplink transmission, resulting in an ...
199
Voted
ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
—Robust and flexible speech codecs are required more and more by speech communication over unreliable and heterogeneous channels such as the internet. In this paper, a novel mult...
167
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
Abstract— In this paper, the performance of a downlink synchronous MC-CDMA system with joint frequency-time domain spreading over time-variant frequency-selective Rayleigh fading...
169
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ICC
2007
IEEE
16 years 1 months ago
2007
IEEE
— The FPGA design of an adaptive antenna array beamformer is presented. The complex-valued array weights are calculated using the MVDR algorithm whose implementation is based on ...