WIRELESS COMMUNICATION BASE STATION DEVICE AND PILOT TRANSMITTING METHOD

WIPO Patent Application WO/2007/043477

A1

A base station realizing enhancement of the interpolation accuracy of the channel estimate between sub-frames. In a base station (100), a scrambling section (105) carries out scrambling such that a predetermined pilot signal sequence is multiplied by a scrambling sequence containing both a sequence unique to the base station (100) and different with cells and a sequence common to base stations for each chip and generates a pilot sequence containing both a pilot for unicast sub-frame and a pilot for multicast sub-frame, a multiplexing section (106) for time-multiplexing the pilot sequence, the unicast data symbol, and a multicast data symbol for each sub-frame, and an S/P section (107) converts the pilot sequences, the unicast data symbols, and the multicast data symbols sequential serially inputted from the multiplexing section (106) the numbers of which are equal to the number of subcarries included in one OFDM symbol into parallel ones and outputs them to an IFFT section (108).

FUKUOKA MASARU
NISHIO AKIHIKO
MINAMIDA NORIAKI

PCT/JP2006/320117

April 19, 2007

October 06, 2006

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MATSUSHITA ELECTRIC IND CO LTD (JP)
FUKUOKA MASARU
NISHIO AKIHIKO
MINAMIDA NORIAKI

H04J11/00; H04B7/26

WO2004039011A2	2004-05-06
WO2006011347A1	2006-02-02

JP2006311359A	2006-11-09
JP2006211284A	2006-08-10
JP2006287895A	2006-10-19
JP2000269876A	2000-09-29
JP2004350242A	2004-12-09
JP2003244094A	2003-08-29
JP2003174426A	2003-06-20
JP2005295446A	2005-10-20
JP2006273583A	2006-10-12

WASHIDA, Kimihito (Shintoshicenter Bldg. 24-1, Tsurumaki 1-chome, Tama-sh, Tokyo 34, JP)

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