Information transmission method, network device, and user equipment

Patent metadata

Field	Value
Publication number	US-11310722-B2
Application number	US-202017005037-A
Country	US
Kind code	B2
Filing date	Aug 27, 2020
Priority date	Jun 3, 2016
Publication date	Apr 19, 2022
Grant date	Apr 19, 2022

Abstract

Embodiments of this application provide an information transmission method, a network device, and a user equipment. The method provided in this application includes: sending, by a network device, a broadcast frame that includes first duration information and second duration information that are of A-BFT (Association Beamforming Training); receiving a frame sent by a first user equipment in a timeslot randomly selected from a first time range; and receiving a frame sent by a second user equipment in a timeslot randomly selected from a second time range. According to the embodiments of this application, beamforming training efficiency can be improved.

First claim

What is claimed is:

1. A network apparatus, comprising:
a processor; and
an interface configured to communicate with the processor;
wherein the interface is configured to send a broadcast frame, the broadcast frame comprising first duration information, second duration information, and frame quantity indication information, the frame quantity indication information being located in a frame of sector sweep (FSS) field of a beacon interval (BI) control field in the broadcast frame;
wherein the first duration information is configured to indicate a first time range of association beamforming training (A-BFT) for a first user apparatus, a first timeslot being selected randomly from the first time range;
wherein the second duration information is configured to indicate a second time range of A-BFT for a second user apparatus, a second timeslot being selected randomly from the second time range;
wherein the first user apparatus and the second user apparatus correspond to different communications standards; and
wherein a duration of the second time range is equal to or greater than a duration of the first time range; and
wherein the interface is further configured to:
receive a first-type frame from the first user apparatus in the first timeslot randomly selected from the first time range; and
receive a second-type frame from the second user apparatus in the second timeslot randomly selected from the second time range, a transmission duration of the first-type frame being greater than a transmission duration of the second-type frame.

2. The network apparatus according to claim 1 , the second-type frame being a short sector sweep (SSSW) frame.

3. The network apparatus according to claim 1 ,
wherein the first duration information is located in an A-BFT length field of the BI control field in the broadcast frame; and
wherein the second duration information is located in at least one bit in the BI control field except the A-BFT length field.

4. The network apparatus according to claim 1 ,
wherein the frame quantity indication information is configured to indicate a frame quantity of the second-type frame; and
wherein the interface is further configured to receive second-type frame with the frame quantity of the second-type frame from the second user apparatus.

5. The network apparatus as claimed in claim 4 ,
wherein the frame quantity indication information is further configured to indicate a frame quantity of the first-type frame; and
wherein the receiver is further configured to receive first-type frame with the frame quantity of the first-type frame from the first user apparatus.

6. A second user apparatus, comprising:
a processor; and
an interface configured to communicate with the processor;
wherein the interface is configured to receive a broadcast frame from a network apparatus, the broadcast frame comprising first duration information, second duration information, and frame quantity indication information, the frame quantity indication information being located in a frame of sector sweep (FSS) field of a beacon interval (BI) control field in the broadcast frame;
wherein the first duration information is configured to indicate a first time range of association beamforming training (A-BFT) for a first user apparatus, a first timeslot being selected randomly from the first time range;
wherein the second duration information is configured to indicate a second time range of A-BFT for a second user apparatus, a second timeslot being selected randomly from the second time range;
wherein the first user apparatus and the second user apparatus correspond to different communications standards;
wherein a duration of the second time range is equal to or greater than a duration of the first time range;
wherein the processor is configured to determine the second time range and randomly select the second timeslot from the second time range; and
wherein the interface is further configured to send a second-type frame to the network apparatus in the second timeslot randomly selected from the second time range, a transmission duration of a first-type frame being greater than a transmission duration of the second-type frame.

7. The second user apparatus according to claim 6 , the second-type frame being a short sector sweep (SSSW) frame.

8. The second user apparatus according to claim 6 ,
wherein the first duration information is located in an A-BFT length field of the BI control field in the broadcast frame; and
wherein the second duration information is located in at least one bit in the BI control field except the A-BFT length field.

9. The second user apparatus according to claim 6 ,
wherein the frame quantity indication information is configured to indicate a frame quantity of the second-type frame; and
wherein the interface is further configured to send second-type frame with the frame quantity of the second-type frame to the network apparatus.

10. The second user apparatus as claimed in claim 9 , wherein the frame quantity indication information is further configured to indicate a frame quantity of the first-type frame to be from the first user apparatus.

11. A non-transitory computer-readable storage medium storing a computer program that, when executed, causes a computer to execute the following operations:
receiving a broadcast frame from a network apparatus, the broadcast frame comprising first duration information, second duration information, and frame quantity indication information, the frame quantity indication information being located in a frame of sector sweep (FSS) field of a beacon interval (BI) control field in the broadcast frame,
wherein the first duration information is configured to indicate a first time range of association beamforming training (A-BFT) for a first user apparatus, a first timeslot being selected randomly from the first time range,
wherein the second duration information is configured to indicate a second time range of A-BFT for a second user apparatus, a second timeslot being selected randomly from the second time range,
wherein the first user apparatus and the second user apparatus correspond to different communications standards, and
wherein a duration of the second time range is equal to or greater than a duration of the first time range;

determining the second time range and randomly selecting the second timeslot from the second time range; and
sending a second-type frame to the network apparatus in the second timeslot randomly selected from the second time range, a transmission duration of a first-type frame being greater than a transmission duration of the second-type frame.

12. The computer-readable storage medium according to claim 11 , the second-type frame being a short sector sweep (SSSW) frame.

13. The computer-readable storage medium according to claim 11 ,
wherein the frame quantity indication information is configured to indicate a frame quantity of the second-type frame; and
wherein the operations further include: sending second-type frames with the frame quantity of the second-type frame to the network apparatus.

14. The computer-readable storage medium according to claim 13 , wherein the frame quantity indication information is further configured to indicate a frame quantity of the first-type frame to be from the first user apparatus.

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhou Pei
• Long Yan
• Han Xiao
• Lin Yingpei

Classifications

• H04W48/12

  using downlink control channel · CPC title

• H04B7/0617 Primary

  for beam forming · CPC title

• H04W72/30

  Resource management for broadcast services · CPC title

• H04W74/0833

  Random access procedures, e.g. with 4-step access · CPC title

• H04W84/12

  WLAN [Wireless Local Area Networks] · CPC title