Title:
【発明の名称】グループ通信方式
Document Type and Number:
Japanese Patent JP2845265
Kind Code:
B2
Abstract:
In a group communication system, a mobile station that is not currently under a group communication can participate in a group communication. A location registration signal is transmitted to a base station upon turning on the power of a mobile station or when a mobile station moves between communication zones A group communication number is sent from the mobile station and is examined against a group-communication group number controlling register in a control station The examination determines the presence or absence of a group communication call corresponding to the group-communication number sent by the mobile station Notification information on a relevant call, if present, is sent to the mobile station, which can then participate in the group communication.
Inventors:
MIKAMI HIROSHI
Application Number:
JP23608896A
Publication Date:
January 13, 1999
Filing Date:
September 06, 1996
Export Citation:
Assignee:
NIPPON DENKI KK
International Classes:
H04B7/26; H04W4/08; H04W8/02; (IPC1-7): H04B7/26
Domestic Patent References:
| JP7321736A | ||||
| JP884112A |
Attorney, Agent or Firm:
Yosuke Goto (2 outside)