Title:
A METHOD FOR ESTABLISHING A CALL RAPIDLY IN CDMA CLUSTER COMMUNICATION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2006/128324
Kind Code:
A1
Abstract:
A method for establishing a call rapidly in CDMA cluster communication system, comprises: dispatching station server transmits a normal group call request to base station subsystem; after receiving the normal group call request, the each base station in a dispatching area allocates the resource, and sets up a forward-backward service channel required by the normal group call service in the base station side; each sector of the base station in the dispatching area sends a broadcast channel assignment information in a form of broadcast information to a terminal in an idle state in the sector through the forward control channel; the terminal compares a broadcast address with a group identification stored, if match, the terminal establishes a service channel at the called terminal side according to the broadcast channel assignment information received. The present invention indicates the called terminal in the sector to set up the service channel by transmitting the broadcast channel assignment information, the terminal doesn’t need signaling handshaking and service negotiation, reduces call setup time.
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Inventors:
FANG HUIYING (CN)
LIU XUEMIN (CN)
YANG JIAAN (CN)
LIU XUEMIN (CN)
YANG JIAAN (CN)
Application Number:
PCT/CN2005/000775
Publication Date:
December 07, 2006
Filing Date:
June 02, 2005
Export Citation:
Assignee:
ZTE CORP (CN)
FANG HUIYING (CN)
LIU XUEMIN (CN)
YANG JIAAN (CN)
FANG HUIYING (CN)
LIU XUEMIN (CN)
YANG JIAAN (CN)
International Classes:
H04J13/02; H04L12/24; H04W4/06; H04W4/08
Foreign References:
| CN1438807A | 2003-08-27 | |||
| CN1496042A | 2004-05-12 | |||
| CN1549484A | 2004-11-24 | |||
| US6292671B1 | 2001-09-18 |
Other References:
See also references of EP 1890498A4
Attorney, Agent or Firm:
Zhongzi, Law Office (Tower C International Investment Buildin, 6-9 Fuchengmen Beidajie 4 Beijing, CN)
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