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On-frequency gap-filler using adaptive tracking null controller for next generation mobile satellite communication systems

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4 Author(s)
Yoshida, T. ; NTT Access Network Service Syst. Lab., NTT Corp., Yokosuka ; Kobayashi, K. ; Ohata, K. ; Ueba, M.

We propose a simple configuration, low coupling gap-filler that can re-transmit signals at the same frequency in which they were received to enhance service areas for next-generation satellite communication networks. To suppress coupling between the receiving and transmitting antennas, this gap-filler uses two transmitting antennas that form a null in the direction of the receiving antenna by controlling the amplitude and phase of one transmitting antenna. Results of simulations and field experiments show that the proposed on-frequency gap-filler is feasible and can greatly suppress coupling

Published in:

Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005. IEEE 16th International Symposium on  (Volume:4 )

Date of Conference:

11-14 Sept. 2005