Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission
碩士 === 國立臺北科技大學 === 電腦與通訊研究所 === 99 === In mobile communications, the signal amplitude and phase changed by multi-path interference and noise impact, so in order to receive the correct information need to compensate data through channel estimation. We propose time-average method, static weighted-ave...
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ndltd-TW-099TIT056520182019-05-15T20:42:27Z http://ndltd.ncl.edu.tw/handle/3pnnm3 Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission 自適性通道估測在移動式WiMAX系統下鏈傳輸之效能分析 Reui-Kai Wu 巫芮楷 碩士 國立臺北科技大學 電腦與通訊研究所 99 In mobile communications, the signal amplitude and phase changed by multi-path interference and noise impact, so in order to receive the correct information need to compensate data through channel estimation. We propose time-average method, static weighted-average method and adaptive channel estimation method, and comparison with WiMAX popular two-dimensional linear interpolation. This thesis use standard IEEE 802.16e-2005 to make platform for simulation, and use channel model with established by ITU-R to simulate the mobile WiMAX downlink transmission platform. Simulation results show the performance of time-averaging method decreases to follow increased speed, the performance of static weighted-average method is not always better than two-dimensional linear interpolation method or time-averaging method, when the two are close to the performance, the performance will be superior to both; but the gap in performance between the two large, the performance can only between the both, adaptive channel estimation method is the best estimation method for all channel models considered. 劉玉蓀 2011 學位論文 ; thesis 65 zh-TW |
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碩士 === 國立臺北科技大學 === 電腦與通訊研究所 === 99 === In mobile communications, the signal amplitude and phase changed by multi-path interference and noise impact, so in order to receive the correct information need to compensate data through channel estimation. We propose time-average method, static weighted-average method and adaptive channel estimation method, and comparison with WiMAX popular two-dimensional linear interpolation. This thesis use standard IEEE 802.16e-2005 to make platform for simulation, and use channel model with established by ITU-R to simulate the mobile WiMAX downlink transmission platform. Simulation results show the performance of time-averaging method decreases to follow increased speed, the performance of static weighted-average method is not always better than two-dimensional linear interpolation method or time-averaging method, when the two are close to the performance, the performance will be superior to both; but the gap in performance between the two large, the performance can only between the both, adaptive channel estimation method is the best estimation method for all channel models considered.
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劉玉蓀 |
author_facet |
劉玉蓀 Reui-Kai Wu 巫芮楷 |
author |
Reui-Kai Wu 巫芮楷 |
spellingShingle |
Reui-Kai Wu 巫芮楷 Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission |
author_sort |
Reui-Kai Wu |
title |
Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission |
title_short |
Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission |
title_full |
Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission |
title_fullStr |
Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission |
title_full_unstemmed |
Performance Analysis of Adaptive Channel Estimation for Mobile WiMAX Downlink Transmission |
title_sort |
performance analysis of adaptive channel estimation for mobile wimax downlink transmission |
publishDate |
2011 |
url |
http://ndltd.ncl.edu.tw/handle/3pnnm3 |
work_keys_str_mv |
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1719103172940660736 |