# US 2025/0097901 A1 · Terminal apparatus, base station apparatus and communication system

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- Number: US 2025/0097901 A1
- Document ID: US20250097901A1
- Status: Published application
- Kind: A1
- Application number: 18/965,311
- Filed: 2024-12-02
- Published: 2025-03-20
- Earliest claimed: 2020-02-10
- Assignees: Mitsubishi Electric Corporation
- Applicants: Mitsubishi Electric Corporation
- Inventors: Tadahiro SHIMODA; Mitsuru MOCHIZUKI; Masayuki NAKAZAWA; Akinori TAIRA; Fumihiro HASEGAWA
- Web page: https://patentgrep.com/patent/US20250097901A1

## CPC

- H04W 68/02: Arrangements for increasing efficiency of notification or paging channel
- H04W 68/12: Inter-network notification
- H04W 76/50: for emergency connections
- H04W 88/06: adapted for operation in multiple networks {or having at least two operational modes}, e.g. multi-mode terminals
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A communication system includes a communication terminal, and a plurality of networks configured to perform radio communication with the communication terminal. A priority of at least one of a paging timing and a paging type is assigned to a paging to be transmitted from each of the plurality of networks. The communication terminal selects a corresponding one of the pagings to be received, based on the priority.

## Claims

### Claim 1

A terminal apparatus having a plurality of subscriber identity modules (SIMs) and being configured to connect a plurality of networks using the plurality of SIMs, the plurality of networks including a first network and a second network,
wherein
the terminal apparatus is configured to transmit, to a base station apparatus in the first network, information indicating whether the terminal apparatus receives a paging from the first network.

### Claim 2 (depends on 1)

The terminal apparatus according to claim 1, wherein
the information includes information on a paging for which the terminal apparatus does not perform receiving operation.

### Claim 3 (depends on 1)

The terminal apparatus according to claim 1, wherein
the terminal apparatus is configured to determine a type of paging to be prioritized, and
the information includes information on the type of paging to be prioritized.

### Claim 4 (depends on 3)

The terminal apparatus according to claim 3, wherein
the information on the type of paging indicates that the terminal apparatus receives a voice call paging with priority.

### Claim 5 (depends on 1)

The terminal apparatus according to claim 1, wherein
the first network includes an Access and Mobility Management Function (AMF), and
the terminal apparatus is configured to receive, from the AMF, Non-Access Stream (NAS) signaling including information indicating whether the terminal apparatus receives a paging from the first network.

### Claim 6 (depends on 5)

The terminal apparatus according to claim 5, wherein
the NAS signaling includes information on a paging to be prioritized.

### Claim 7

A base station apparatus in a communication system, the communication system comprising:
a plurality of networks including a first network and a second network, the first network including the base station apparatus, and
a terminal apparatus having a plurality of subscriber identity modules (SIMs) and being configured to connect the plurality of networks using the plurality of SIMs,
wherein
the base station apparatus is configured to receive, from the terminal apparatus, information indicating whether the terminal apparatus receives a paging from the first network.

### Claim 8

A communication system comprising:
a plurality of networks including a first network and a second network, the first network including a base station apparatus, and
a terminal apparatus having a plurality of subscriber identity modules (SIMs) and being configured to connect the plurality of networks using the plurality of SIMs,
wherein
the terminal apparatus is configured to transmit, to the base station apparatus, information indicating whether the terminal apparatus receives a paging from the first network.