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:
Sep. 20, 2011
Filed:
Apr. 16, 2007
Ana Lucia Iacono, Garden City, NY (US);
Arty Chandra, Manhasset Hills, NY (US);
Zheng Zhao, Plainsboro, NJ (US);
Ana Lucia Iacono, Garden City, NY (US);
Arty Chandra, Manhasset Hills, NY (US);
Zheng Zhao, Plainsboro, NJ (US);
InterDigital Technology Corporation, Wilmington, DE (US);
Abstract
Network Allocation Vector (NAV) and 'beam access control' (BAC) techniques are provided to address data collision problems in WLANs wherein APs provide wireless network access in a service area defined by multiple sectors via use of a switchable antenna system or the like. Preferably, every time the AP visits a sector and before the AP moves on to the next sector, the AP can set the NAV equal to the time it will take until its next visit. Alternatively, or in addition, a BAC bit is transmitted by an AP to control access to the AP by WTRUs disposed in a service sector in which the BAC is transmitted.