TRANSMISSION DEVICE, RECEPTION DEVICE, AND RANDOM ACCESS CONTROL METHOD

Title:

TRANSMISSION DEVICE, RECEPTION DEVICE, AND RANDOM ACCESS CONTROL METHOD

Document Type and Number:

WIPO Patent Application WO/2007/129540

Kind Code:

A1

Abstract:

A transmission device includes: random access channel generation means for generating a random access channel having a preamble containing at least a part of control information; and transmission means for performing continuous frequency allocation or non-continuous comb-shaped frequency allocation to each user and transmitting the random access channel with a variable multi-band width.

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Inventors:

HIGUCHI KENICHI (JP)
KISHIYAMA YOSHIHISA (JP)
SAWAHASHI MAMORU (JP)

Application Number:

PCT/JP2007/058538

Publication Date:

November 15, 2007

Filing Date:

April 19, 2007

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Assignee:

NTT DOCOMO INC (JP)
HIGUCHI KENICHI (JP)
KISHIYAMA YOSHIHISA (JP)
SAWAHASHI MAMORU (JP)

International Classes:

H04B1/707; H04B1/713; H04B1/7136; H04J1/00; H04W16/02; H04W72/04; H04W72/12; H04W74/08; H04W76/02

Foreign References:

JP2004297756A	2004-10-21
JP2006054860A	2006-02-23
JP2003116178A	2003-04-18
JPH11285048A	1999-10-15
JP2006127994A	2006-05-18

Other References:

See also references of EP 2015594A4
KEIZO TACHIKAWA: "W-CDMA Mobile Communication System", June 2001, MARUZEN CO. LTD., pages: 130 - 134

Attorney, Agent or Firm:

ITOH, Tadahiko (Yebisu Garden Place Tower20-3, Ebisu 4-Chom, Shibuya-Ku Tokyo 32, JP)

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