WIRELESS MOBILE TERMINAL AND FEEDBACK INFORMATION TRANSMISSION METHOD

WIPO Patent Application WO/2012/049860

A1

Provided are a wireless mobile terminal and a feedback information transmission method with which it is possible to balance the improvement in effect of base station coordinated transmission and reduction in the amount of returns. A wireless mobile terminal (100) is provided with: a channel estimation unit (140) for estimating channel information from a transmitted signal; Doppler spectrum calculation units (153) for calculating a Doppler spectrum expressing change in a propagation path from the estimated channel estimation value; selection units (154) for selecting a finite number of specific frequency components in which power has been concentrated from the calculated Doppler spectrum; and a terminal transmission unit (160) for returning the selected frequency components as base station coordinated transmission feedback information.

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KU RICHOL
SAITO AKIHIRO
SOTOYAMA TAKAYUKI

PCT/JP2011/005771

April 19, 2012

October 14, 2011

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PANASONIC CORP (JP)
KU RICHOL
SAITO AKIHIRO
SOTOYAMA TAKAYUKI

H04W24/10

JP2005099017A	2005-04-14
JP2007235305A	2007-09-13
JP2003298547A	2003-10-17

WASHIDA, KIMIHITO (JP)
Koichi Washida (JP)

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