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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Wen-Rong Wu Chun-Fang Lee |
| Copyright Year | 2005 |
| Description | Author affiliation: Dept. of Commun. Eng., Nat. Chiao Tung Univ., Taiwan (Wen-Rong Wu; Chun-Fang Lee) |
| Abstract | The time-domain equalizer (TEQ) is a commonly used device to shorten the channel impulse response a discrete multitone (DMT) receiver. With a capacity maximization criterion, many methods have been proposed to solve the TEQ problem. However, due to a mis-calculation of noise power, the optimal solutions claimed are actually not optimal. Since the noise component in a DMT symbol does not have cyclic prefix, the discrete-Fourier transform (DFT) of the TEQ-filtered noise does not equal to the DFT of the TEQ multiplied by that of noise. In this paper, we analyze the TEQ-filtered noise in detail and derive the correct noise power calculation formulae. Based on the result, we propose a new TEQ design method outperforming existing ones. |
| Starting Page | 553 |
| Ending Page | 556 |
| File Size | 4362609 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780392663 |
| DOI | 10.1109/ISPACS.2005.1595469 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-12-13 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | OFDM modulation Transceivers Intersymbol interference Discrete Fourier transforms Time domain analysis Design methodology Equalizers Data communication Signal design Signal to noise ratio |
| Content Type | Text |
| Resource Type | Article |
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