Recording of priority communication related information

Patent metadata

Field	Value
Publication number	US-12593374-B2
Application number	US-202117759622-A
Country	US
Kind code	B2
Filing date	Jun 22, 2021
Priority date	Mar 31, 2021
Publication date	Mar 31, 2026
Grant date	Mar 31, 2026

Abstract

A wireless communication system includes: a priority communication detection unit that detects priority communication from a communication device that communicates wirelessly; a connection unit that connects the communicator for which the priority communication is detected by the priority communication detection unit to a roaming network that is different from the home network under contract; a recording unit that records priority communication related information regarding priority communication executed by the communication device in the roaming network; and the notification unit that notifies the home network of the priority communication related information recorded by the recording unit.

First claim

What is claimed is:

1 . A wireless communication system comprising:
a priority communication detection unit that detects a priority communication from a communicator that communicates wirelessly; a connection unit that selectively connects the communicator for which the priority communication is detected to any of a home wireless communication network or a roaming wireless communication network that is different from the home wireless communication network, wherein the connection unit connects the communicator to the roaming wireless communication network for the priority communication; a recording unit in the communicator that records priority communication related information regarding the priority communication in the roaming wireless communication network during the priority communication in the roaming wireless communication network, wherein the recorded priority communication related information includes:
the start time of the priority communication in the roaming wireless communication network,
the end time of the priority communication in the roaming wireless communication network, and
the duration of the priority communication in the roaming wireless communication network; and
a notification unit in the communicator that communicates the recorded priority communication related information regarding the priority communication in the roaming wireless network to the home wireless communication network after the priority communication ends on the roaming wireless communication network, wherein the communicator connects to the home wireless communication network after the priority communication ends on the roaming wireless communication network, wherein, after the communicator connects to the home wireless communication network after the priority communication ends on the roaming wireless communication network,
the communicator communicates, to the home wireless communication network,
the start time of the priority communication in the roaming wireless communication network,
the end time of the priority communication in the roaming wireless communication network, and
the duration of the priority communication in the roaming wireless communication network, and

wherein:
the recorded priority communication related information includes identification information of another communicator with which the communicator executes the priority communication, and
after the communicator connects to the home wireless communication network after the priority communication ends on the roaming wireless communication network:
the communicator communicates the identification information of another communicator with which the communicator executes the priority communication to the home wireless communication network.

2 . The wireless communication system according to claim 1 , further comprising a decision unit that determines whether or not a priority communication can be executed in the home wireless communication network,
wherein the connection unit, when it is determined that the priority communication cannot be executed in the home wireless communication network, connects the communicator for which the priority communication is detected to the roaming wireless communication network.

3 . The wireless communication system according to claim 1 , further comprising a comparison unit for comparing the communication quality of the home wireless communication network and the roaming wireless communication network; and
the connection unit connects the communicator for which the priority communication is detected to the roaming wireless communication network when the communication quality of the roaming wireless communication network is better than that of the home wireless communication network.

4 . The wireless communication system according to claim 1 , wherein at least one of the home wireless communication network and the roaming wireless communication network uses NR as a radio access technology.

5 . The wireless communication system according to claim 1 , wherein at least one of the home wireless communication network and the roaming wireless communication network uses 5GC as a core network.

6 . The wireless communication system according to claim 1 , wherein the priority communication includes a call to an emergency call number, and
the information includes at least the emergency call number.

7 . The wireless communication system according to claim 1 ,
wherein the home wireless communication network is a wireless communication network with which the communicator is under contract, and wherein the roaming wireless communication network is different from the home wireless communication network with which the communicator is under contract.

8 . The wireless communication system according to claim 1 , wherein:
the recorded priority communication related information includes a location of the communicator during the priority communication, and after the communicator connects to the home wireless communication network after the priority communication ends on the roaming wireless communication network:
the communicator communicates the location of the communicator during the priority communication to the home wireless communication network.

9 . The wireless communication system according to claim 1 , wherein:
the recorded priority communication related information includes identification information of the roaming wireless communication network during the priority communication, and after the communicator connects to the home wireless communication network after the priority communication ends on the roaming wireless communication network:
the communicator communicates the identification information of the roaming wireless communication network to the home wireless communication network.

10 . A wireless communication method comprising:
detecting a priority communication from a communicator that communicates wirelessly; selectively connecting the communicator to any of a home wireless communication network or a roaming wireless communication network that is different from the home wireless communication network, the selectively connecting including connecting the communicator to the roaming wireless communication network for the priority communication; recording, by the communicator, priority communication related information regarding the priority communication during the priority communication in the roaming wireless communication network, wherein the recorded priority communication related information includes:
the start time of the priority communication in the roaming wireless communication network,
the end time of the priority communication in the roaming wireless communication network, and
the duration of the priority communication in the roaming wireless communication network;
notifying, by the communicator, the recorded priority communication related information regarding the priority communication in the roaming wireless network to the home wireless communication network after the priority communication ends on the roaming wireless communication network; connecting the communicator to the home wireless communication network after the priority communication ends on the roaming wireless communication network; and after connecting the communicator to the home wireless communication network after the priority communication ends on the roaming wireless communication network,
communicating, by the communicator, to the home wireless communication network,
the start time of the priority communication in the roaming wireless communication network,
the end time of the priority communication in the roaming wireless communication network, and
the duration of the

Assignees

• Rakuten Mobile Inc

Inventors

• MUHAMMAD Awn
• Aoyagi Kenichiro
• Chiba Tsunehiko

Classifications

• H04W4/90

  Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS] · CPC title

• H04W88/14

  Backbone network devices · CPC title

• H04W88/06

  adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals · CPC title

• H04W76/50 Primary

  for emergency connections · CPC title

• H04W64/00

  Locating users or terminals {or network equipment} for network management purposes, e.g. mobility management · CPC title