发明名称 |
Method and apparatus for notifying status of mobile node in a wireless local area network system using visible light communication |
摘要 |
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.
|
申请公布号 |
US8457150(B2) |
申请公布日期 |
2013.06.04 |
申请号 |
US20080175683 |
申请日期 |
2008.07.18 |
申请人 |
SHIN HONG-SEOK;CHO DONG-HO;KIM HYU-DAE;BAE CHI-SUNG;JEON SOO-YONG;KIM WOO-CHAN;PYUN SUNG-YEOP;SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
SHIN HONG-SEOK;CHO DONG-HO;KIM HYU-DAE;BAE CHI-SUNG;JEON SOO-YONG;KIM WOO-CHAN;PYUN SUNG-YEOP |
分类号 |
H04L12/43;H04W4/00 |
主分类号 |
H04L12/43 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|