IP Library › Granted Patent US 12,245,107
Granted Patent B2
US 12,245,107 · App. 17/725,661 · Granted Mar 4, 2025

Communication apparatus and method of V2X services and communication system

Inventors: Guorong Li (Beijing, CN); Meiyi Jia (Beijing, CN); Pengyu Ji (Beijing, CN); Xin Wang (Beijing, CN)
Assignee: FUJITSU LIMITED
H04W4/12H04W4/40H04W76/18H04W92/18
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Quick Facts
Patent No.
US 12,245,107
App. No.
17/725,661
Granted
Mar 4, 2025
Kind
B2
Abstract

This disclosure provides a communication apparatus and method of vehicle communication (V2X) services and a communication system. The apparatus includes a first communication portion, the first communication portion being configured to: detect that a radio link failure occurs in a sidelink; and notify that radio link failures occur in all sidelinks of the terminal equipment to a network device via a Sidelink UE Information message.

Claims (32)

1. A communication apparatus of vehicle communication (V2X) services, applicable to a terminal equipment, the apparatus comprising a first communication portion, the first communication portion being configured to:

detect a radio link failure occurs in a sidelink; and

notify to a network device via a sidelink user equipment (UE) information message that a radio link failure occurs in a sidelink of the terminal equipment,

wherein in a case where radio link failures occur in all sidelinks of the terminal equipment, a sidelink transmission resource request list (sl-TxResourceReqList) field of the Sidelink UE Information message is absent in the Sidelink UF Information message.

2. The apparatus according to claim 1 , wherein,

the Sidelink UE Information message comprises indication information indicating that radio link failures occur in all sidelinks of the terminal equipment.

3. The apparatus according to claim 1 , wherein, the sidelink UE information message contains a destination ID(s) of the sidelink where the radio link failure occurs.

4. The apparatus according to claim 1 , wherein, the sidelink UE information message contains a destination ID(s) of a sidelink excluding the sidelink(s) where the radio link failure occurs.

5. A communication apparatus of vehicle communication (V2X) services, applicable to a network device, the apparatus comprising a second communication portion, the second communication portion being configured to:

receive, via a sidelink user equipment (UE) information message, that a radio link failure occurs in a sidelink of a terminal equipment notified by the terminal equipment,

wherein in a case where radio link failures occur in all sidelinks of the terminal equipment, a sidelink transmission resource request list (sl-TxResourceReqList) field of the Sidelink UE Information message is absent in the Sidelink UE Information message.

6. The apparatus according to claim 5 , wherein,

the Sidelink UE Information message comprises indication information indicating that radio link failures occur in all sidelinks of the terminal equipment.

7. The apparatus according to claim 5 , wherein, the sidelink UE information message contains a destination ID(s) of the sidelink where the radio link failure occurs.

8. The apparatus according to claim 5 , wherein, the sidelink UE information message contains a destination ID(s) of a sidelink excluding the sidelink(s) where the radio link failure occurs.

9. A communication apparatus of vehicle communication (V2X) services, applicable to a terminal equipment, the apparatus comprising a fifth communication portion, the fifth communication portion being configured to:

in a case where radio link failures occur,

transmit to a network device destination identities (IDs) where radio link failures occur, or

transmit to a network device destination IDs other than destination IDs where radio link failures occur,

according to a resource allocation mode.

10. The apparatus according to claim 9 , wherein,

in a case where the resource allocation mode is that the network device allocates resources,

the fifth communication portion transmits to the network device the destination IDs other than destination IDs where radio link failures occur.

11. The apparatus according to claim 9 , wherein,

in a case where the resource allocation mode is that the terminal equipment allocates resources,

the fifth communication portion transmits to the network device the destination IDs where radio link failures occur.

12. The apparatus according to claim 9 , wherein,

the fifth communication portion further sets the resource allocation mode according to configuration information transmitted by the network device.

13. The apparatus according to claim 9 , wherein,

the fifth communication portion further determines a resource allocation mode to which the destination IDs correspond.

14. The apparatus according to claim 13 , wherein,

the fifth communication portion further reports to the network device the resource allocation mode to which the destination IDs correspond.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 5, 2026
From: FUJITSU LIMITED
To: 1FINITY INC.
Reel/Frame 074197/0244 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 21, 2022
From: LI, GUORONG; JIA, MEIYI; JI, PENGYU; WANG, XIN
To: FUJITSU LIMITED
Reel/Frame 059661/0242 →
Continuity (2)
Continuation PCTCN2019115995 · Nov 6, 2019
Related Publication 20220256318A1 · Aug 11, 2022
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