Gao, Feifei and Cui, Tao and Nallanathan, A. and Tellambura, C. (2008) Maximum likelihood based estimation of frequency and phase offset in DCT OFDM systems under non-circular transmissions: algorithms, analysis and comparisons. IEEE Transactions on Communications, 56 (9). pp. 1425-1429. ISSN 0090-6778. doi:10.1109/TCOMM.2008.060411. https://resolver.caltech.edu/CaltechAUTHORS:GAOieeetc08b
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Abstract
Recently, the advantages of the discrete cosine transform (DCT) based orthogonal frequency-division multiplexing (OFDM) have come to the light. We thus consider DCT- OFDM with non-circular transmission (our results cover circular transmission as well) and present two blind joint maximum- likelihood frequency offset and phase offset estimators. Both our theoretical analysis and numerical comparisons reveal new advantages of DCT-OFDM over the traditional discrete Fourier transform (DFT) based OFDM. These advantages, as well as those already uncovered in the early works on DCT-OFDM, support the belief that DCT-OFDM is a promising multi-carrier modulation scheme.
| Item Type: | Article | |||||||||
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| Additional Information: | © Copyright 2008 IEEE. Reprinted with permission. Paper approved by H. Minn, the Editor for Synchronization and Equalization of the IEEE Communications Society. Manuscript received July 18, 2006; revised November 22, 2006 and February 13, 2007. [Current Version Published: 2008-09-12] The authors would like to thank the anonymous reviewers for their valuable comments that greatly improved the presentation of this letter. | |||||||||
| Subject Keywords: | Non-circular, carrier frequency offset, phase offset, DCT-OFDM, maximum likelihood | |||||||||
| Issue or Number: | 9 | |||||||||
| DOI: | 10.1109/TCOMM.2008.060411 | |||||||||
| Record Number: | CaltechAUTHORS:GAOieeetc08b | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:GAOieeetc08b | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 11940 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Archive Administrator | |||||||||
| Deposited On: | 11 Oct 2008 06:57 | |||||||||
| Last Modified: | 08 Nov 2021 22:23 |
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