TRANSMITTING APPARATUS, RECEIVING APPARATUS AND SPATIAL MULTIPLEX NUMBER CONTROLLING METHOD

Title:

TRANSMITTING APPARATUS, RECEIVING APPARATUS AND SPATIAL MULTIPLEX NUMBER CONTROLLING METHOD

Document Type and Number:

WIPO Patent Application WO/2006/129749

Kind Code:

A1

Abstract:

A spatial multiplex number controlling method and others wherein streams can be separated for each of receivers and the transmission efficiency can be improved. In a receiving apparatus, a PER is calculated from a history of CRC test results per stream multiplex number. A reception quality and an offset corresponding to the calculated PER are fed back to a transmitting apparatus. The transmitting apparatus assigns, based on the fed-back reception quality and offset, the streams, thereby controlling the stream multiplex number.

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Inventors:

HOSHINO MASAYUKI
KIMURA RYOHEI
YUDA YASUAKI
IMAI TOMOHIRO
MIYOSHI KENICHI
HIRAMATSU KATSUHIKO

Application Number:

PCT/JP2006/310980

Publication Date:

December 07, 2006

Filing Date:

June 01, 2006

Export Citation:

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Assignee:

MATSUSHITA ELECTRIC IND CO LTD (JP)
HOSHINO MASAYUKI
KIMURA RYOHEI
YUDA YASUAKI
IMAI TOMOHIRO
MIYOSHI KENICHI
HIRAMATSU KATSUHIKO

International Classes:

H04J99/00; H04B7/26

Foreign References:

JP2004201296A	2004-07-15
JP2002217752A	2002-08-02
JP2006115414A	2006-04-27
JP2005252521A	2005-09-15

Other References:

FUJINO Y. ET AL.: "Multiusers MIMO ni okeru Tekio Kukan Taju Kazu Wariate Koka", 2005 NEN THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS SOGO TAIKAI KOEN RONBUNSHU, vol. B-5-81, 7 March 2005 (2005-03-07), pages 530, XP003006788

Attorney, Agent or Firm:

Washida, Kimihito (Shintoshicenter Bldg. 24-1, Tsurumaki 1-chom, Tama-shi Tokyo, JP)

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