METHOD AND DEVICE FOR SENDING CAPABILITY INFORMATION OF COMMUNICATIONS DEVICE

• US 20190327606A1
• Filed: 07/04/2019
• Published: 10/24/2019
• Est. Priority Date: 01/06/2017
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: QIU, Jing
• Granted Patent: US 10,986,488 B2
• Time in Patent Office: Days
• CPC Class Codes: H04W 24/04 Arrangements for maintaining operational condition
• CPC Class Codes: H04W 28/20 Negotiating bandwidth
• CPC Class Codes: H04W 8/22 Processing or transfer of terminal data, e.g. status or physical capabilities
• CPC Class Codes: H04W 8/24 Transfer of terminal data

Abstract

A method and device for sending capability information of a communications device are disclosed. The method includes: determining, by a communications device, information about maximum data transmission bandwidth supported by the communications device; and sending, by the communications device, the information about the maximum data transmission bandwidth supported by the communications device. In the embodiments of the present disclosure, the communications device determines the information about the maximum data transmission bandwidth supported by the communications device and sends the information about the maximum data transmission bandwidth supported by the communications device, so that communications devices supporting different maximum data transmission bandwidth can coexist in a communications system, to implement communication between communications devices supporting different maximum data transmission bandwidth.

Claims

1. A method for sending capability information of a communications device, comprising:

determining, by a communications device, information about maximum data transmission bandwidth supported by the communications device; and

sending, by the communications device, the information about the maximum data transmission bandwidth supported by the communications device.

2. The method according to claim 1, wherein the information about the maximum data transmission bandwidth supported by the communications device comprises at least one of the following information:

information about a maximum data transmission bandwidth value supported by the communications device;

information about a maximum spectrum utilization rate supported by the communications device, wherein the information about the maximum spectrum utilization rate supported by the communications device is a ratio of the maximum data transmission bandwidth supported by the communications device to carrier bandwidth;

information about a quantity of resource blocks corresponding to the maximum data transmission bandwidth supported by the communications device;

information about a physical layer parameter used by the communications device, wherein there is a correspondence between the information about the physical layer parameter used by the communications device and the information about the maximum data transmission bandwidth value supported by the communications device, or there is a correspondence between the information about the physical layer parameter used by the communications device and the information about the maximum spectrum utilization rate supported by the communications device, or there is a correspondence between the information about the physical layer parameter used by the communications device and the information about the quantity of RBs corresponding to the maximum data transmission bandwidth supported by the communications device;

or

type information of the communications device, wherein there is a correspondence between the type information of the communications device and the information about the maximum data transmission bandwidth value supported by the communications device, or there is a correspondence between the type information of the communications device and the information about the maximum spectrum utilization rate supported by the communications device, or there is a correspondence between the type information of the communications device and the information about the quantity of resource blocks corresponding to the maximum data transmission bandwidth supported by the communications device.

3. The method according to claim 1, wherein the information about the maximum data transmission bandwidth supported by the communications device comprises:

information about maximum transmit data transmission bandwidth supported by the communications device and information about maximum receive data transmission bandwidth supported by the communications device.

4. The method according to claim 1, wherein if the maximum transmit data transmission bandwidth supported by the communications device is the same as the maximum receive data transmission bandwidth supported by the communications device, the sending, by the communications device, the information about the maximum data transmission bandwidth supported by the communications device comprises:

sending, by the communications device, the information about the maximum transmit data transmission bandwidth supported by the communications device or the information about the maximum receive data transmission bandwidth supported by the communications device.

5. The method according to claim 1, further comprising:

determining, by the communications device, information about a waveform supported by the communications device or information about a physical layer parameter supported by the communications device; and

sending, by the communications device, the information about the waveform supported by the communications device or the information about the physical layer parameter supported by the communications device.

6. The method according to claim 1, wherein if the communications device comprises a terminal device, the sending, by the communications device, the information about the maximum data transmission bandwidth supported by the communications device comprises:

sending, by the terminal device, information about maximum data transmission bandwidth supported by the terminal device to a network device; and

the method further comprises;

receiving, by the terminal device, scheduling information sent by the network device, wherein the scheduling information is determined by the network device based on the information about the maximum data transmission bandwidth supported by the terminal device.

7. The method according to claim 1, wherein if the communications device comprises a network device, the sending, by the communications device, the information about the maximum data transmission bandwidth supported by the communications device comprises:

broadcasting, by the network device, information about maximum data transmission bandwidth supported by the network device.

8. A communications device, comprising:

a transceiver, a processor, and a memory, wherein the processor is configured to read a program in the memory to control the transceiver, and the following process is performed;

determining, by the processor, information about maximum data transmission bandwidth supported by the communications device; and

sending, by the transceiver, the information about the maximum data transmission bandwidth supported by the communications device.

9. The communications device according to claim 8, wherein the information about the maximum data transmission bandwidth supported by the communications device comprises at least one of the following information:

information about a maximum data transmission bandwidth value supported by the communications device;

information about a maximum spectrum utilization rate supported by the communications device, wherein the information about the maximum spectrum utilization rate supported by the communications device is a ratio of the maximum data transmission bandwidth supported by the communications device to carrier bandwidth;

information about a quantity of resource blocks corresponding to the maximum data transmission bandwidth supported by the communications device;

information about a physical layer parameter used by the communications device, wherein there is a correspondence between the information about the physical layer parameter used by the communications device and the information about the maximum data transmission bandwidth value supported by the communications device, or there is a correspondence between the information about the physical layer parameter used by the communications device and the information about the maximum spectrum utilization rate supported by the communications device, or there is a correspondence between the information about the physical layer parameter used by the communications device and the information about the quantity of RBs corresponding to the maximum data transmission bandwidth supported by the communications device;

or

type information of the communications device, wherein there is a correspondence between the type information of the communications device and the information about the maximum data transmission bandwidth value supported by the communications device, or there is a correspondence between the type information of the communications device and the information about the maximum spectrum utilization rate supported by the communications device, or there is a correspondence between the type information of the communications device and the information about the quantity of resource blocks corresponding to the maximum data transmission bandwidth supported by the communications device.

10. The communications device according to claim 8, wherein the information about the maximum data transmission bandwidth supported by the communications device comprises:

information about maximum transmit data transmission bandwidth supported by the communications device and information about maximum receive data transmission bandwidth supported by the communications device.

11. The communications device according to claim 8, wherein if the maximum transmit data transmission bandwidth supported by the communications device is the same as the maximum receive data transmission bandwidth supported by the communications device, the transceiver unit is configured to send the information about the maximum transmit data transmission bandwidth supported by the communications device or the information about the maximum receive data transmission bandwidth supported by the communications device.

12. he communications device according to claim 8, wherein the processing unit is further configured to determine information about a waveform supported by the communications device or information about a physical layer parameter supported by the communications device;

and

the transceiver unit is further configured to send the information about the waveform supported by the communications device or the information about the physical layer parameter supported by the communications device.

13. The communications device according to claim 8, wherein if the communications device is a terminal device, the transceiver unit is configured to send information about maximum data transmission bandwidth supported by the terminal device to a network device;

and

the transceiver unit is further configured to receive scheduling information sent by the network device, wherein the scheduling information is determined by the network device based on the information about the maximum data transmission bandwidth supported by the terminal device.

14. The communications device according to claim 8, wherein if the communications device is a network device, the transceiver unit is configured to broadcast information about maximum data transmission bandwidth supported by the network device.