Student Number 86324060 Author Hung-Bin Ma(馬鋐斌) Author's Email Address No Public. Statistics This thesis had been viewed 328 times. Download 11 times. Department Electrical Engineering Year 1998 Semester 2 Degree Master Type of Document Master's Thesis Language zh-TW.Big5 Chinese Title Performance Analysis and Assessment of Multi-Carrier Direct Sequence Spread Spectrum System-Effect of Nonlinear Power Amplification Date of Defense Page Count 83 Keyword Multicarrier Direct Sequence Spread Spectrum System Nonlinear Power Amplification Abstract In recent years, spread spectrum technique has been considered to be a candidate to support multimedia services in mobile radio communication, because it has its own capabilities to cope with multimedia data traffic, and to combat interference and hostile fading channel. On other hand, the multi-carrier modulation scheme, has drawn a lot of attention in the field of radio communication. This is mainly because of the need to transmit high data rate in a mobile environment which makes a more hostile radio channel. To combat the problem, the multi-carrier modulation scheme seems to be a solution. But a major problem in multi-carrier signal is the inter-modulation interference and distortion due to the non-linearity of high power amplifier. Since the multi-carrier signal has a large amplitude variation which is subject to AM/AM and AM/PM distortion due to high power amplifier. This distortion causes a significant degradation to the system performance.
This paper assess the performance of the various multi-carrier direct sequence spectrum systems in AWGN channel and multi-path Rayleigh fading channel including BER, power back-off and complexity of receiver. Finally, make a comparison between these systems.
Table of Content 圖形列表
第一章 : 簡介 1
第二章 : 系統模型
2.2.2 SSPA 放大器
第三章 : 非線性功率放大效應的分析
第四章 : 分析與模擬的結果
第五章 : 結論
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