Single-carrier communication using decision-feedback equalization for multiple antennas

There is an ongoing discussion in the broadband wireless world between OFDM and single-carrier. Single-carrier allows for more relaxed front-end requirements. OFDM, on the other hand, can yield better performance at low complexity. Recently, a new single-carrier scheme with frequency domain equaliza...

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Bibliographic Details
Published inIEEE International Conference on Communications, 2003. ICC '03 Vol. 4; pp. 2321 - 2325 vol.4
Main Authors Tubbax, J., Van der Perre, L., Donnay, S., Engels, M.
Format Conference Proceeding
LanguageEnglish
Published IEEE 2003
Subjects
Batteries
Broadband communication
Channel capacity
Decision feedback equalizers
Digital video broadcasting
Frequency domain analysis
Gain
OFDM modulation
Transmitters
Wireless LAN
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Summary:There is an ongoing discussion in the broadband wireless world between OFDM and single-carrier. Single-carrier allows for more relaxed front-end requirements. OFDM, on the other hand, can yield better performance at low complexity. Recently, a new single-carrier scheme with frequency domain equalization and decision-feedback has been proposed for a SISO channel. This single-carrier scheme can reach the OFDM performance. We extend this new scheme for multiple antennas and multiple users. We show that this multi-user scheme with decision-feedback has a 3 dB gain over conventional linear single-carrier multi-user schemes and still maintains a low complexity. We illustrate that our scheme is equivalent with the generalized decision-feedback equalizer, but has a lower complexity.
ISBN:0780378024
9780780378025
DOI:10.1109/ICC.2003.1204299