Adaptive bit and subcarrier allocation algorithm for multiuser OFDM/OQAM systems

Authors:
Khalid El Baamrani/ Ayad Habib/ Raja Elassali
Affiliations:
Department of Telecommunications, ENSA of Marrakech, University Cadi Ayyad, P.O. Box 575, Marrakech, Morocco.
Venue:
International Journal of Mobile Network Design and Innovation
Year:
2011

Citing 5
Cited 0

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Multi-Carrier and Spread Spectrum Systems
Subcarrier and Power Allocation for the Downlink of Multiuser OFDM Transmission

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Blind Frequency-Offset Estimation for OFDM/OQAM Systems

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Analysis and design of OFDM/OQAM systems based on filterbank theory

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Computationally efficient bandwidth allocation and power control for OFDMA

IEEE Transactions on Wireless Communications

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Abstract

OFDM/OQAM technique is one of the leading candidates for future wireless systems. This technique does not employ guard regions and as a direct consequence, the wasted resources (time/power) allocated to the guard interval in the OFDM/QAM system are directly used to convey useful data; this guarantees a higher spectral efficiency and a throughput increase. The objective of this paper is to maximise the sum of the users data rates subject to the overall transmit power constraint and BER requirement for multiuser OFDM/OQAM downlink transmission. As demonstrated in the simulation results, the proposed OFDM/OQAM algorithm offers better performance than previous OFDM/QAM algorithms in the literature.