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. 11, 2014
Filed:
Jun. 08, 2011
Lijun Zhao, San Diego, CA (US);
Jun Wang, San Diego, CA (US);
Lijun Zhao, San Diego, CA (US);
Jun Wang, San Diego, CA (US);
QUALCOMM Incorporated, San Diego, CA (US);
Abstract
Techniques for supporting handoff of a terminal between base stations of different protocol revisions (P_REVs) in a CDMA system. One technique includes performing a handoff of the terminal from a first base station to a second base station. The handoff is performed while the terminal is in an active call using a first service configuration with the first base station. The first base station supports a first protocol revision and the second base station supports a second protocol revision that is later than the first protocol revision. A first message is sent indicative of a change in packet zone. A request is received to originate a new call with a second service configuration. The new call is maintained with the second service configuration between the terminal and the second base station.