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:
Nov. 08, 2011
Filed:
Feb. 23, 2007
Zheng Cai, Fairfax, VA (US);
Trinh VU, Ashburn, VA (US);
Nextel Communications Inc., Reston, VA (US);
Abstract
System and method for reducing call setup time of a dispatch communication. In one embodiment, a method includes receiving a message from an originating dispatch device intended for a target dispatch device. The message may be inspected by a base transceiver station for a call request announcement. The method may further include determining if a radio resource is available for the target dispatch device. According to an additional embodiment of the invention, a call request acknowledgement message may be transmitted to the originating dispatch device after a period of time to ensure a guaranteed talk permit. The call request announcement may also be transmitted to the target dispatch device after the period of time.