RADIO TRANSMITTING APPARATUS, RADIO RECEIVING APPARATUS AND PREAMBLE SEQUENCE ALLOCATING METHOD

Title:

RADIO TRANSMITTING APPARATUS, RADIO RECEIVING APPARATUS AND PREAMBLE SEQUENCE ALLOCATING METHOD

Document Type and Number:

WIPO Patent Application WO/2010/100879

Kind Code:

A1

Abstract:

A radio transmitting apparatus wherein even if a preamble sequence transmitted via any one of the antennas of the radio transmitting apparatus is detected, the order of the space diversity can be determined with reliability and data signals can be normally decoded. In this apparatus, a deciding unit (101) decides preamble sequences the number of which is equal to the order of the space diversity and further decides transmission block intervals the number of which is equal to or greater than the order of the space diversity. An allocating unit (102) sequentially allocates the preamble sequences, the number of which is equal to the order of the space diversity, to the respective antennas, the number of which is equal to the order of the space diversity, within the respective transmission block intervals. The allocating unit (102) allocates different ones of the preamble sequences to the respective antennas at the respective same transmission timings that are within the respective transmission block intervals.

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Inventors:

SAITO YOSHIKO
MIYOSHI KENICHI
IMAMURA DAICHI

Application Number:

PCT/JP2010/001370

Publication Date:

September 10, 2010

Filing Date:

March 01, 2010

Export Citation:

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Assignee:

PANASONIC CORP (JP)
SAITO YOSHIKO
MIYOSHI KENICHI
IMAMURA DAICHI

International Classes:

H04B7/02; H04B7/06; H04J99/00; H04W16/28; H04W72/08

Foreign References:

JP2005244912A	2005-09-08
JP2008510437A	2008-04-03
JP2007534264A	2007-11-22
JP2008533801A	2008-08-21
JP2005244912A	2005-09-08
JP2009048477A	2009-03-05

Other References:

OHGANE, FUNDAMENTALS AND ELEMENT TECHNIQUE OF MIMOS SYSTEM, IEEE, DESIGN AND ANALYSIS WORKSHOP OF ANTENNA AND PROPAGATION
W. SU, X.XIA, K.J.R.LIU: "A Systematic Design of High-Rate Complex Orthogonal Space-Time Block Codes", IEEE COM. LETTERS, vol. 8, no. 6, June 2004 (2004-06-01), XP011113951, DOI: doi:10.1109/LCOMM.2004.827429
Y. KARASAWA: "Mysterious exploration of MIMO", DENKI KOGYO TECHNICAL REPORT, 2006

Attorney, Agent or Firm:

WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)

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