Elements of Information Theory (Wiley Series in Telecommunications and Signal Processing)
Elements of Information Theory (Wiley Series in Telecommunications and Signal Processing)
Outage and Diversity of Linear Receivers in Flat-Fading MIMO Channels
IEEE Transactions on Signal Processing
IEEE Transactions on Information Theory
Complex-field coding for OFDM over fading wireless channels
IEEE Transactions on Information Theory
Diversity and multiplexing: a fundamental tradeoff in multiple-antenna channels
IEEE Transactions on Information Theory
Maximum multipath diversity with linear equalization in precoded OFDM systems
IEEE Transactions on Information Theory
Frequency domain equalization for single-carrier broadband wireless systems
IEEE Communications Magazine
Transmission techniques for digital terrestrial TV broadcasting
IEEE Communications Magazine
Adaptive frequency-domain equalization and diversity combining for broadband wireless communications
IEEE Journal on Selected Areas in Communications
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This paper analyzes the diversity gain achieved by single-carrier frequency-domain equalizers (SC-FDE) in frequency selective channels, and uncovers the interplay between diversity gain d, channel memory length ν, transmission block length L, and the spectral efficiency R. We specifically show that for the class of minimum mean-square error (MMSE) SCFDE receivers, for rates R ≤ log L/ν full diversity of d = ν + 1 is achievable, while for higher rates the diversity is given by d = ⌊2-RL⌋ + 1. In other words, the achievable diversity gain depends not only on the channel memory length, but also on the desired spectral efficiency and the transmission block length. A similar analysis reveals that for zero forcing SC-FDE, the diversity order is always one irrespective of channel memory length and spectral efficiency. These results are supported by simulations.