Title:
CLUSTER COMMUNICATION SYSTEM, CLUSTER TERMINAL, CLUSTER CORE NETWORK AND METHOD FOR SWITCHING CELLS
Document Type and Number:
WIPO Patent Application WO/2019/136635
Kind Code:
A1
Abstract:
Disclosed by the present invention are a cluster communication system, a cluster terminal, a cluster core network and a method for switching cells. The method comprises: receiving a handover request of a cluster terminal, the handover request comprising information of a target cell; determining whether the target cell is a cell that has already established a group call or not according to the information of the target cell; if determined that the target cell is a cell that has already established a group call, sending a group call group number and a group call message transmission status of a source cell to the target cell by means of the cluster terminal; acquiring a group call message currently transmitted by the target cell, comparing the group call message transmission status of the source cell to the currently transmitted group call message, and acquiring a missing group call message; and sending the missing group call message to the cluster terminal by means of the target cell. The present invention may prevent packet loss of group call messages and improve the usage experience of a user.
Inventors:
ZHANG XIANGYUN (CN)
Application Number:
PCT/CN2018/072105
Publication Date:
July 18, 2019
Filing Date:
January 10, 2018
Export Citation:
Assignee:
HYTERA COMM CORP LTD (CN)
International Classes:
H04W36/00
Domestic Patent References:
| WO2004102978A2 | 2004-11-25 | |||
| WO1999022478A1 | 1999-05-06 |
Foreign References:
| CN106341796A | 2017-01-18 | |||
| CN102111829A | 2011-06-29 | |||
| CN107466067A | 2017-12-12 |
Attorney, Agent or Firm:
CHINA WISPRO INTELLECTUAL PROPERTY LLP. (CN)
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