RECEIVING APPARATUS AND RECEIVING METHOD USED FOR DOWNLINK CHANNEL

Title:

RECEIVING APPARATUS AND RECEIVING METHOD USED FOR DOWNLINK CHANNEL

Document Type and Number:

WIPO Patent Application WO/2006/106674

Kind Code:

A1

Abstract:

A transmitting apparatus, which is directed to improvement of the signal quality of a downlink channel, transmits a control channel, a pilot channel and a data channel. This apparatus comprises a means for transmitting the data channel by use of a multi-beam comprising a plurality of fixed directivity beams each having a different fixed directivity or by use of a variable directivity beam having a directivity varying with the position of a mobile terminal; and a means for transmitting, as the pilot channel, a predetermined known signal by use of the multi-beam or variable directivity beam.

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Inventors:

SAWAHASHI MAMORU (JP)
HIGUCHI KENICHI (JP)
ATARASHI HIROYUKI (JP)

Application Number:

PCT/JP2006/306300

Publication Date:

October 12, 2006

Filing Date:

March 28, 2006

Export Citation:

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Assignee:

NTT DOCOMO INC (JP)
SAWAHASHI MAMORU (JP)
HIGUCHI KENICHI (JP)
ATARASHI HIROYUKI (JP)

International Classes:

H04B7/26; H04B1/69; H04B7/04; H04B7/06; H04B7/10; H04J11/00; H04J13/00; H04J99/00; H04W16/28

Foreign References:

JP2003244054A	2003-08-29
JP2005064546A	2005-03-10

Other References: