Title:
CDMA TRANSMITTING APPARATUS AND CDMA TRANSMITTING METHOD
Document Type and Number:
WIPO Patent Application WO/2004/100415
Kind Code:
A1
Abstract:
A control part (110) identifies the type of data included in a transmitted signal to output a control signal (C1) to an S/P converter part (101) and to a spread control part (107). The S/P converter part (101) distributes the certain type of data outputted from the control part (110) to different transmission systems. Spread parts (102, 103) assign, under a control of the spread control part (107), different spread codes to the certain type of data outputted from the S/P converter part (101) for spread processing. The data outputted from the spread parts (102, 103) are applied through adder parts (104-1, 104-2), transmitting parts (105-1, 105-2) to antennas (106-1, 106-2) for radio transmission. This can improve the reception capability on the reception side for a certain type of data with the transmission efficiency of MIMO communication system maintained.
Inventors:
SUDO HIROAKI
Application Number:
PCT/JP2004/006154
Publication Date:
November 18, 2004
Filing Date:
April 28, 2004
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD (JP)
SUDO HIROAKI
SUDO HIROAKI
International Classes:
H03M13/29; H04B1/707; H04J13/16; H04J14/00; H04J99/00; H04L1/00; H04L1/18; (IPC1-7): H04J15/00; H04B1/707
Domestic Patent References:
| WO2001001605A1 | 2001-01-04 |
Foreign References:
| JP2002374224A | 2002-12-26 | |||
| JPH11275054A | 1999-10-08 | |||
| JP2003032226A | 2003-01-31 |
Other References:
SAMARDZIJA D. ET AL: "Performance evaluation of the VBLAST algorithm in W-CDMA systems", VEHICULAR TECHNOLOGY CONFERENCE 2001 FALL, vol. 2, 11 October 2001 (2001-10-11), pages 723 - 727, XP001124240
CHEN M. ET AL: "Space-time Codes of Multi-code Transmission for WCDMA", VEHICULAR TECHNOLOGY CONFERENCE 2001 SPRING, vol. 2, 9 May 2001 (2001-05-09), pages 1311 - 1313, XP001067175
HUANG H ET AL., ACHIEVING HIGH DATA RATES IN COMA SYSTEMS USING BLAST TECHNIQUES, vol. 5, 5 December 1999 (1999-12-05), pages 2316 - 2320
GANG WU ET AL.: "Advanced detection scheme for multicode CDMA with V-blast architecture", PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 2002. THE 13TH IEEE INTERNATIONAL SYMPOSIUM ON, vol. 4, 15 September 2002 (2002-09-15), pages 1810 - 1814, XP010611578
CHEN M. ET AL: "Space-time Codes of Multi-code Transmission for WCDMA", VEHICULAR TECHNOLOGY CONFERENCE 2001 SPRING, vol. 2, 9 May 2001 (2001-05-09), pages 1311 - 1313, XP001067175
HUANG H ET AL., ACHIEVING HIGH DATA RATES IN COMA SYSTEMS USING BLAST TECHNIQUES, vol. 5, 5 December 1999 (1999-12-05), pages 2316 - 2320
GANG WU ET AL.: "Advanced detection scheme for multicode CDMA with V-blast architecture", PERSONAL, INDOOR AND MOBILE RADIO COMMUNICATIONS, 2002. THE 13TH IEEE INTERNATIONAL SYMPOSIUM ON, vol. 4, 15 September 2002 (2002-09-15), pages 1810 - 1814, XP010611578
Attorney, Agent or Firm:
Washida, Kimihito (5th Floor 24-1, Tsurumaki 1-chom, Tama-shi Tokyo, JP)
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