Title:
NOTIFYING METHOD, AND ACCESS CONTROL DEVICE
Document Type and Number:
WIPO Patent Application WO/2010/013493
Kind Code:
A1
Abstract:
Disclosed is an access control device, wherein frames containing a first period composed of slots and a second period having a predetermined length are so regulated as to be repeated, and wherein a detection unit (32) detects the slots which can be used for communications between other radio devices, from the slots in the first one of the first and second periods. A modulation/demodulation unit (24) and an RF unit (22) notify information relating to the detected slots.
Inventors:
HIGUCHI KEISUKE (JP)
NAKAOKA KEN (JP)
MIZUGUCHI TAKAO (JP)
NAKAOKA KEN (JP)
MIZUGUCHI TAKAO (JP)
Application Number:
PCT/JP2009/003658
Publication Date:
February 04, 2010
Filing Date:
July 31, 2009
Export Citation:
Assignee:
SANYO ELECTRIC CO (JP)
HIGUCHI KEISUKE (JP)
NAKAOKA KEN (JP)
MIZUGUCHI TAKAO (JP)
HIGUCHI KEISUKE (JP)
NAKAOKA KEN (JP)
MIZUGUCHI TAKAO (JP)
International Classes:
H04W72/08; H04J11/00; H04W4/04; H04W72/04
Foreign References:
| JP2008060940A | 2008-03-13 |
Other References:
KEITA KURAMOTO ET AL.: "Kosaten Fukin no Sharyo no Anzen o Mokuteki to shita Real Time ITS Joho Tsushin System", IEICE TECHNICAL REPORT, vol. 106, no. 82, 22 May 2006 (2006-05-22), pages 35 - 39
TOMOHISA HARADA ET AL.: "Jiritsu Bunsangata TDMA-sha Shakan Tsushin System no Kaihatsu", IPSJ SIG NOTES, vol. 2007, no. 116, 22 November 2007 (2007-11-22), pages 129 - 136
HIROKI TANAKA ET AL.: "2GHz-tai Teiso Building-gai Microcell Denpa Denpan Tokusei", IEICE TECHNICAL REPORT, vol. 92, no. 212, 16 September 1992 (1992-09-16), pages 45 - 51
TOMOHISA HARADA ET AL.: "Jiritsu Bunsangata TDMA-sha Shakan Tsushin System no Kaihatsu", IPSJ SIG NOTES, vol. 2007, no. 116, 22 November 2007 (2007-11-22), pages 129 - 136
HIROKI TANAKA ET AL.: "2GHz-tai Teiso Building-gai Microcell Denpa Denpan Tokusei", IEICE TECHNICAL REPORT, vol. 92, no. 212, 16 September 1992 (1992-09-16), pages 45 - 51
Attorney, Agent or Firm:
MORISHITA, Sakaki (Ebisu-Nishi Shibuya-k, Tokyo 21, JP)
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