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An effective solution of wireless channel sounder and its channel modeling application

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3 Author(s)
Jiang Peigang ; Shanghai Res. Inst., Huawei Technol. Co. Ltd., Shanghai, China ; Wang Shaobo ; Li Huajia

A real time wideband wireless channel sounder based on WCDMA system is introduced in this paper. After installing a baseband data acquisition device to the base station and some modifications on test UE, a real time wideband wireless channel sounder is established with fairly high performance and low cost comparing to commercial channel sounders. The time resolution of this sounder is limited by the WCDMA system bandwidth and chip rate; however it can provide an extremely high data storing rate up to 100 Mbyte/s which guarantees a high sampling speed up to 15000 Hz of the time variant wireless channel and multichannel measurement simultaneously. The high sampling rate make it available to have a close sight of the time variant characteristics of the wireless channel such as small scale fading and Doppler effect. The performance of sounder is analyzed and summarized in detail; also the post-processing method of the measurement data is described briefly. Some measurement results corresponding to different wireless environments are presented as examples; wireless channel propagation characteristics analysis and a wireless channel modeling application are introduced finally.

Published in:

Vehicular Technology Conference, 2004. VTC 2004-Spring. 2004 IEEE 59th  (Volume:1 )

Date of Conference:

17-19 May 2004