IP Library Granted Patent US 11,758,449
Granted Patent B2
US 11,758,449 · App. 17/276,401 · Granted Sep 12, 2023

Handover requests with network information

Inventors: Lianhai Wu (Beijing, CN); Haiming Wang (Beijing, CN); Jing Han (Beijing, CN); Jie Shi (Beijing, CN); Zhennian Sun (Beijing, CN); Xiaodong Yu (Beijing, CN)
Assignee: LENOVO (BEIJING) LIMITED
H04W36/0083
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Quick Facts
Patent No.
US 11,758,449
App. No.
17/276,401
Granted
Sep 12, 2023
Kind
B2
Abstract

Apparatuses, methods, and systems are disclosed for transmitting and/or receiving handover requests with network information. One method ( 1000 ) includes transmitting ( 1002 ) a handover request to a target device. The handover request includes: first information indicating that a source communication network corresponding to a source device is unable to support a predetermined quality of service; and second information corresponding to capacity of the source communication network. The method ( 1000 ) includes receiving ( 1004 ) a response to the handover request.

Claims (32)

1. A method comprising:

transmitting a handover request to a target device, wherein the handover request comprises:

first information indicating that a source communication network corresponding to a source device is unable to support a predetermined quality of service; and

second information corresponding to capacity of the source communication network; and

receiving a response to the handover request.

2. The method of claim 1 , wherein the target device comprises a target central unit, a target integrated access backhaul node, or a combination thereof.

3. The method of claim 1 , wherein the source communication network comprises a source backhaul link.

4. The method of claim 1 , wherein the source device comprises a source central unit, a source integrated access backhaul node, or a combination thereof.

5. The method of claim 1 , wherein the predetermined quality of service corresponds to a type of communication service.

6. The method of claim 1 , wherein the predetermined quality of service comprises a latency, a bit rate, a deterioration level, or some combination thereof.

7. The method of claim 1 , wherein the first information is included in a cause information element comprising a latency problem of a backhaul link, a bit rate problem of the backhaul link, a deterioration of the backhaul link, or some combination thereof.

8. The method of claim 1 , wherein the second information comprises a maximum aggregated bit rate, a number of user devices served by the source device, or some combination thereof.

9. The method of claim 1 , wherein the response to the handover request comprises a handover failure message.

10. The method of claim 9 , wherein the handover failure message indicates that a target communication network is unable to support the predetermined quality of service.

11. The method of claim 10 , wherein the handover failure message indicates an overload of the target communication network.

12. The method of claim 11 , wherein the indication of the overload of the target communication network is included in a cause information element.

13. The method of claim 10 , wherein the handover failure message indicates a limited capacity of the target communication network.

14. The method of claim 13 , wherein the indication of the limited capacity of the target communication network is included in a cause information element.

15. The method of claim 10 , wherein the target communication network comprises a target backhaul link.

16. An apparatus comprising:

a transmitter that transmits a handover request to a target device, wherein the handover request comprises:

first information indicating that a source communication network corresponding to a source device is unable to support a predetermined quality of service; and

second information corresponding to capacity of the source communication network; and

a receiver that receives a response to the handover request.

17. A method comprising:

receiving, at a target device, a handover request from a source device, wherein the handover request comprises:

first information indicating that a source communication network corresponding to the source device is unable to support a predetermined quality of service; and

second information corresponding to capacity of the source communication network; and

transmitting a response to the handover request.

18. The method of claim 17 , wherein the target device comprises a target central unit, a target integrated access backhaul node, or a combination thereof.

19. The method of claim 17 , wherein the source communication network comprises a source backhaul link.

20. The method of claim 17 , wherein the source device comprises a source central unit, a source integrated access backhaul node, or a combination thereof.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 17, 2021
From: WU, LIANHAI; WANG, HAIMING; HAN, JING; SHI, JIE; SUN, ZHENNIAN; YU, XIAODONG
To: LENOVO (BEIJING) LIMITED
Reel/Frame 056266/0368 →
Continuity (1)
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