APPARATUS AND METHOD FOR TRANSMITTING COEXISTENCE BEACON PROTOCOL PACKET IN COGNITIVE RADIO BASED WIRELESS COMMUNICATION SYSTEM

WIPO Patent Application WO/2010/008177

A3

A method of and apparatus for operating a Coexistence Beacon Protocol (CBP) packet transmitter in a Cognitive Radio (CR)-based wireless communication system is provided. The method includes, identifying a Self-Coexistence Window (SCW) regular pattern of neighbor Wireless Regional Area Networks (WRANs), if vacant SCW slots are not periodically occurring, selecting a WRAN as a contender among the neighbor WRANs, performing a contention for transmitting the CBP packet with the contender within SCW slots that are occupied by the WRAN, and configuring an SCW usage pattern so that an SCW usage period of the CBP packet sender is double that of an SCW usage period of the contender when winning in the contention.

KIM SANG-BUM (KR)
SHAN CHENG (KR)
LIM EUN-TAEK (KR)
SONG JU-YEON (KR)
WOO JUNG-SOO (KR)
LEE GEUN-HO (KR)
KIM HO-DONG (KR)
PARK YONG-HO (KR)
PARK JAE-IK (KR)

PCT/KR2009/003856

June 03, 2010

July 14, 2009

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SAMSUNG ELECTRONICS CO LTD (KR)
KIM SANG-BUM (KR)
SHAN CHENG (KR)
LIM EUN-TAEK (KR)
SONG JU-YEON (KR)
WOO JUNG-SOO (KR)
LEE GEUN-HO (KR)
KIM HO-DONG (KR)
PARK YONG-HO (KR)
PARK JAE-IK (KR)

H04B7/26; H04W84/02

KR20080056160A	2008-06-20
US20030186713A1	2003-10-02
US20030012167A1	2003-01-16
KR20060107544A	2006-10-13

KWON, Hyuk-Rok et al. (Sinmun-ro 2ga Jongro-ku, Seoul 110-062, KR)

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