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:
May. 10, 2016
Filed:
Dec. 18, 2008
Dagnachew Birru, Yorktown Heights, NY (US);
Dagnachew Birru, Yorktown Heights, NY (US);
Abstract
A wireless device () communicates in a wireless network, and executes a wireless device discovery process to discover other wireless devices () in the wireless network. In the wireless device discovery process, the wireless device () sets its antenna pattern to have an omnidirectional antenna pattern (), and transmits a first packet () using the omnidirectional antenna pattern (). The first packet () comprises a packet preamble sequence () formed by repeating each sample of a synchronization sequence N times (N>1). The remainder () of the first packet () is formed by spreading each sample thereof with a spreading factor P (P>1). For normal data communications, the wireless device () sets the antenna pattern to have a directional antenna pattern (), and transmits a second packet using the directional antenna pattern ().