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OFDM and Its Application in Cellular Mobile Communication Systems

Author: SongPengPeng
Tutor: WangYuMin
School: Xi'an University of Electronic Science and Technology
Course: Communication and Information System
Keywords: OFDM Adaptive Modulation MC-CDMA
CLC: TN929.53
Type: Master's thesis
Year: 2002
Downloads: 359
Quote: 3
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Abstract


In the wireless channel environment, reliable , high-speed data transmission is wireless communication technology objectives and requirements . Multi-carrier communication technology can resistance to multipath fading and delay dispersion and to maintain a high data transfer rate. And because it uses a discrete Fourier transform , so greatly reduces implementation complexity of the transceiver . Therefore, it is in a wireless communication system application particularly noteworthy. This paper studies the OFDM technology in cellular mobile communication system application problems. Articles focus on first analysis of the OFDM system coding, synchronization and channel estimation techniques , and then combined with the HSDPA transmission scheme for OFDM downlink in cellular systems has been studied in the application and performance analysis . Based on the same time , analysis of the existing adaptive OFDM algorithm for the basic performance and to do some improvements. Finally, the three main multi-carrier CDMA scheme for a simple analysis and comparison.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets )
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