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:
Dec. 30, 2008
Filed:
Sep. 14, 2006
Jean-aicard Fabien, Lincolnshire, IL (US);
Rapeepat Ratasuk, Hoffman Estates, IL (US);
Stephen L. Spear, Skokie, IL (US);
Nick W. Whinnett, Marlborough, GB;
Zhijun Cai, Euless, TX (US);
Mansoor Ahmed, Hurst, TX (US);
Robert M. Harrison, Grapevine, TX (US);
Jean-Aicard Fabien, Lincolnshire, IL (US);
Rapeepat Ratasuk, Hoffman Estates, IL (US);
Stephen L. Spear, Skokie, IL (US);
Nick W. Whinnett, Marlborough, GB;
Zhijun Cai, Euless, TX (US);
Mansoor Ahmed, Hurst, TX (US);
Robert M. Harrison, Grapevine, TX (US);
Motorola, Inc., Schaumburg, IL (US);
Abstract
A system and method for to establish a wireless group call from one of a plurality of communication units to others communication units includes a first step of receiving, from a requesting communication unit a request for a group call with other communication units of the group. A next step includes allocating a common downlink channel for the group call. A next step includes allocating a dedicated uplink channel for the requesting communication unit. A next step includes switching one of the communication units between the common channel mode and a dedicated channel mode depending upon performance criteria.