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. 04, 2012
Filed:
Jun. 02, 2005
Huiying Fang, Shenzhen, CN;
Xuemin Liu, Shenzhen, CN;
Jiaan Yang, Shenzhen, CN;
ZTE Corporation, Shenzhen, Guangdong Province, CN;
Abstract
A method for establishing a call rapidly in a cluster communication system based on code division multiple access, comprising the following steps: a dispatching station server transmitting a normal group call request to a base station subsystem after receiving a normal group call request sent by a calling terminal; the each base station in a dispatching area allocating resource and establishing a forward-reverse traffic channel required by a normal group call service in the base station side after receiving the normal group call request; each sector of the base station in the dispatching area sending a broadcast channel assignment message in a form of broadcast message to the terminals in an idle state in the sector in a forward control channel; the terminals in the sector comparing a broadcast address with a group identification stored, if matching, the terminal establishing each service channel in the side of the terminal in the called state according to the broadcast channel assignment message received; if the broadcast address not matching the group identification stored, the terminal discarding the broadcast channel assignment message.