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:
Apr. 09, 2002
Filed:
Nov. 14, 1997
Cathal O'Scolai, San Diego, CA (US);
Baya Hatim, San Diego, CA (US);
Joseph J. Roy, San Diego, CA (US);
Saeid Safavi, San Diego, CA (US);
Ismail Lakkis, San Diego, CA (US);
Hoang Xuan Bui, San Diego, CA (US);
Deirdre O'Shea, San Diego, CA (US);
Masood K. Tayebi, San Diego, CA (US);
Wireless Facilities, Inc., San Diego, CA (US);
Abstract
A system and method providing a structure to the data sent over the air interface of a wireless communication system. The system and method allow compensation for transmitting and receiving frequency variations, synchronization at the receiver and provision of a virtual signaling channel for system alarms and status. In one embodiment, the system uses bit stuffing, a frame preamble and a signaling preamble to transmit data at a high data rate in the ISM band.