The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 04, 2013
Filed:
Jul. 18, 2008
Hong-seok Shin, Suwon-si, KR;
Dong-ho Cho, Seoul, KR;
Hyu-dae Kim, Daejeon, KR;
Chi-sung Bae, Daejeon, KR;
Soo-yong Jeon, Daejeon, KR;
Woo-chan Kim, Daejeon, KR;
Sung-yeop Pyun, Daejeon, KR;
Hong-Seok Shin, Suwon-si, KR;
Dong-Ho Cho, Seoul, KR;
Hyu-Dae Kim, Daejeon, KR;
Chi-Sung Bae, Daejeon, KR;
Soo-Yong Jeon, Daejeon, KR;
Woo-Chan Kim, Daejeon, KR;
Sung-Yeop Pyun, Daejeon, KR;
Samsung Electronics Co., Ltd., Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Abstract
A method and apparatus for notifying status of an MN in a WLAN system using VLC are provided, in which an AP allocates a first predetermined number of time slots per frame as unallocated slots, for status notification of an initially accessing MN and allocates a second predetermined number of time slots per frame as reserved slots, for status notification of an initially accessing MN and uplink data transmission of an MN, and the MN transmits a visible light signal carrying status information about the MN in one of an unallocated slot and a reserved slot, if the MN initially accesses the AP.