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. 03, 2011
Filed:
Mar. 20, 2007
Tao Chen, San Diego, CA (US);
Jun Wang, San Diego, CA (US);
Ragulan Sinnarajah, San Diego, CA (US);
Brian K. Butler, La Jolla, CA (US);
Edward G. Tiedemann, Jr., Concord, MA (US);
Tao Chen, San Diego, CA (US);
Jun Wang, San Diego, CA (US);
Ragulan Sinnarajah, San Diego, CA (US);
Brian K. Butler, La Jolla, CA (US);
Edward G. Tiedemann, Jr., Concord, MA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
A method and system for a handoff in a broadcast communication system is disclosed. A subscriber assisted handoff is impractical in a broadcast communication system due to e.g., a high signaling load, a difficulty to synchronize the broadcast transmission. On the other hand, the small number of broadcast channels enables the subscriber station to perform the handoff autonomously. To streamline the autonomous handoff decision process, several distinct sets of pilot identifiers and rules for transitioning among the sets are defined. To fully integrate broadcast services with the services provided by the cellular telephone systems in a subscriber environment, a method for various handoff scenarios are analyzed.