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An MLSE receiver using channel classification for Rayleigh fading channels
IEEE Journal on Selected Areas in Communications, 2000We propose a channel classification method that identifies the delay path profile of Rayleigh fading channels, which can be used in conjunction with conventional maximum-likelihood sequence estimation (MLSE) receivers. The proposed method determines the appropriate number of delay taps for the MLSE trellis, based on a decision variable obtained from ...
Wonjin Sung, In-Kyung Kim
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TCM and diversity in a Rayleigh fading channel
5th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, Wireless Networks - Catching the Mobile Future., 2002The performance of trellis coded 8-PSK with diversity is examined in the paper. The "pragmatic" approach to TCM is assumed, where the code is constructed using a common a rate 1/2 constraint length 7 codec. Using diversity in the form of soft symbol combining in a concatenated TCM/diversity modulation, a performance improvement of about 2 to 3 dB was ...
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Analog joint source-channel coding in Rayleigh fading channels
2011 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP), 2011We consider discrete-time all-analog-processing joint source-channel coding, using non-linear spiral-like curves. We assume a Rayleigh channel, where the receiver may employ or not multiple antennas. Maximum Likelihood (ML) and Minimum Mean Square Error (MMSE) detection are considered.
Glauber Gomes de Oliveira Brante +2 more
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LDPC coded modulation for Rayleigh fading channels
2012 International Conference on Wireless Communications and Signal Processing (WCSP), 2012This paper presents a novel scheme of low-density-parity-check (LDPC) coded modulation system called bit-expand-interleaved coded modulation with iterative decoding and demapping (BEICM-ID) over Rayleigh fading channels. In traditional bit-interleaved coded modulation (BICM) schemes and its iterative version, BICM-ID, each bit node is mapped into one ...
Jintao Li +3 more
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Multilevel block codes for Rayleigh-fading channels
IEEE Transactions on Communications, 1995Summary: New multilevel block codes for Rayleigh-fading channels are presented. At high signal-to-noise ratios, the proposed block codes can achieve better bit error performance over TCM codes, optimum for fading channels, with comparable decoder complexity and bandwidth efficiency.
Lin Zhang 0002, Branka Vucetic
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Optimized Selection Diversity for Rayleigh Fading Channels
IEEE Transactions on Communications, 1982This paper considers the choice of the number of diversity branches for minimizing the bit error rate of a selection diversity system using noncoherent binary frequency-shift keying modulation for transmission over a Rayleigh fading Gaussian channel. An exact expression for the optimum number of branches, L_{sel}^{\ast} , is given.
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Onset of Rayleigh–Bénard convection in a rigid channel
Journal of Fluid Mechanics, 1989A two-dimensional Galerkin formulation of the three-dimensional Oberbeck-Boussinesq equations is used to describe the onset of convection in an infinite rigid horizontal channel uniformly heated from below. The dependence of the critical Rayleigh number on the channel aspect ratio is determined and results are compared with those of an idealized model ...
Chana, M. S., Daniels, P. G.
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Multiuser scheduling over rayleigh fading channels
GLOBECOM '03. IEEE Global Telecommunications Conference (IEEE Cat. No.03CH37489), 2004Forthcoming wideband wireless systems are supposed to support services with loose delay requirements, which allows for scheduling of data. In this work we investigate fast transmission scheduling for downlink CDMA over a Rayleigh fading channel.
Fredrik Berggren, Riku Jäntti
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Analysis of Cooperative TDMA in Rayleigh Fading Channels
IEEE Transactions on Vehicular Technology, 2013The time-division-multiple-access-based (TDMA) protocol has been widely utilized as a reliable media access control (MAC) mechanism. By allocating each user a dedicated time slot, a given TDMA user transmits its packets in its exclusively assigned time slots, whereas other users are in idle mode (not transmitting). However, in this paper, a cooperative
Nansai Hu, Yu-Dong Yao, Zhuo Yang
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Water filling capacity of Rayleigh MIMO channels
12th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications. PIMRC 2001. Proceedings (Cat. No.01TH8598), 2002MIMO channels can attain high capacities provided that the propagation medium contains enough scatterers. The capacity of MIMO channels can further be increased by performing optimal power distribution over transmit antennas. This, in turn, necessitates knowledge of the channel at the transmitter.
Mohammad Ali Khalighi +3 more
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