Maximum-likelihood carrier estimation in orthogonal frequency division multiplexing systems /
acquisition and tracking mode. The performance of each
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1998.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | acquisition and tracking mode. The performance of each affects the performance of the system. So the problem agree with the analytical predictions. Analysis of the likelihood function shows that the carrier frequencies. However, OFDM systems are more carrier systems are. In both single carrier and multi- carrier systems, phase rotation is a major issue that closed-loop OFDM system is realized which uses these complete system is evaluated in terms of symbol error correct carrier Frequency and phase offset for both different synchronization algorithms to estimate and dividing the frequency selective fading channel into a estimators are assessed by both analysis and frequency and phase offset estimation scheme is frequency and phase offset is considered. A new frequency offset estimator can be implemented in both kind of estimator is observed through simulation. A likelihood principle. The performance of these number of sub-channels corresponding to the OFDM sub- of carrier synchronization in the presence of proposed for M-ary signaling based on the maximum QAM and MPSK signaling . The performance of the rate versus signal-to-noise ratio. Simulation results sensitive to carrier frequency offset than single signaling is proven to be an elective way to overcome simulation. Analytical expressions are developed for the effects of fading channel and multi-path by The octagonal frequency division multiplexing (OFDM) phics. the variance of the frequency and phase offset. |
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| Item Description: | "Major subject: Electrical Engineering". Vita. |
| Physical Description: | xi, 83 leaves : illustrations ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references: pages 62-63. |