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Patent Searching and Data


Title:
TRANSMITTING DEVICE AND TRANSMITTING METHOD
Document Type and Number:
WIPO Patent Application WO/2007/094319
Kind Code:
A1
Abstract:
A transmitting device in accordance with an OFDM system makes up a first symbol (symbol of first symbol format) constituting a unicast channel and a second symbol (symbol of second symbol format) constituting an MBMS channel. The first and second symbols are multiplexed in accordance with an FDM system by a multiplexing means, and a multiplexing symbol is defined. A first adding means adds a GI (guard interval) of a first period of time to the first symbol. The first symbol is given to either the multiplexing means or the first adding means. The GI of a second period of time is added to the multiplexing symbol. Outputs of the first and second adding means are multiplexed in accordance with the TDM system and transmitted by wireless.

Inventors:
ABETA, Sadayuki (Inc. SANNO PARK TOWER, 11-1, Nagatacho 2-chome, Chiyoda-k, Tokyo 50, 1006150, JP)
安部田 貞行 (〒50 東京都千代田区永田町2丁目11番1号 山王パークタワー 株式会社エヌ・ティ・ティ・ドコモ 知的財産部内 Tokyo, 1006150, JP)
ISHII, Minami (Inc. SANNO PARK TOWER, 11-1, Nagatacho 2-chome, Chiyoda-k, Tokyo 50, 1006150, JP)
Application Number:
JP2007/052517
Publication Date:
August 23, 2007
Filing Date:
February 13, 2007
Export Citation:
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Assignee:
NTT DoCoMo, Inc. (11-1, Nagatacho 2-chome Chiyoda-k, Tokyo 50, 1006150, JP)
株式会社 エヌ・ティ・ティ・ドコモ (〒50 東京都千代田区永田町2丁目11番1号 Tokyo, 1006150, JP)
ABETA, Sadayuki (Inc. SANNO PARK TOWER, 11-1, Nagatacho 2-chome, Chiyoda-k, Tokyo 50, 1006150, JP)
安部田 貞行 (〒50 東京都千代田区永田町2丁目11番1号 山王パークタワー 株式会社エヌ・ティ・ティ・ドコモ 知的財産部内 Tokyo, 1006150, JP)
International Classes:
H04J11/00; H04B7/26; H04J1/00; H04J3/00; H04J11/00; H04B7/26; H04J1/00; H04J3/00
Attorney, Agent or Firm:
ITOH, Tadahiko (32nd Floor, Yebisu Garden Place Tower 20-3, Ebisu, 4-chom, Shibuya-Ku Tokyo 32, 1506032, JP)
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