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Patent Searching and Data


Title:
無線装置
Document Type and Number:
Japanese Patent JP4247437
Kind Code:
B2
Abstract:

To reduce deterioration by an interference resulting from SDMA also in a high-speed data transmission.

N antennas 22 perform a transceiver processing of the signal of radio frequency. A radio section 12 performs a frequency conversion processing between a signal of baseband and a signal of radio frequency, an amplification processing, and AD or DA transform processing. A signal processing portion 14 performs a signal processing required for a transceiver processing by adaptive array antennas. A modem portion 16 performs a modulation processing and a demodulation processing. A baseband portion 18 is an interface with a network 24. A controller 20 controls timing or channel arrangement of a radio section 12, a signal processing portion 14, a modem portion 16 and a baseband portion 18.

COPYRIGHT: (C)2005,JPO&NCIPI


Inventors:
Masago Nakao
Yoshiharu Doi
Application Number:
JP2005054637A
Publication Date:
April 02, 2009
Filing Date:
February 28, 2005
Export Citation:
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Assignee:
Sanyo Electric Co., Ltd.
International Classes:
H04J11/00; H04W16/28; H04B1/707; H04B7/26; H04J99/00; H04W72/04
Domestic Patent References:
JP7087011A
JP10313274A
JP2005514801A
JP2004501549A
JP11069431A
Foreign References:
WO2002093782A1
WO2001089099A1
Attorney, Agent or Firm:
Hiroshi Kakutani
Sakaki Morishita