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A Novel Architecture for MIMO Spatio-Temporal Channel Sounder

Kei SAKAGUCHI, Jun-ichi TAKADA, Kiyomichi ARAKI

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Summary :

Implementation of Multi-Input Multi-Output (MIMO) channel sounder is considered, taking hardware cost and realtime measurement into account. A remarkable difference between MIMO and conventional Single-Input Multi-Output (SIMO) channel sounding is that the MIMO sounder needs some kind of multiplexing to distinguish transmitting antennas. We compared three types of multiplexing TDM, FDM, and CDM for the sounding purpose, then we chose FDM based technique to achieve cost effectiveness and realtime measurement. In the framework of FDM, we have proposed an algorithm to estimate MIMO channel parameters. Furthermore the proposed algorithm was implemented into the hardware, and the validity of the proposed algorithm was evaluated through measurements in an anechoic chamber.

Publication
IEICE TRANSACTIONS on Electronics Vol.E85-C No.3 pp.436-441
Publication Date
2002/03/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Signals, Systems and Electronics Technology)
Category
Digital Transmission

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