Search

CN-122027992-A - Communication method and device

CN122027992ACN 122027992 ACN122027992 ACN 122027992ACN-122027992-A

Abstract

A communication method and device relate to the technical field of communication, and can be used for ranging when two communication devices are not connected, so that the measurement efficiency is improved. The method includes the steps that the second device receives a broadcast frame which includes measurement information of the first device from the first device, and sends a response frame of the broadcast frame to the first device in a time window indicated by the broadcast frame, wherein the response frame includes the measurement information of the second device. The second device obtains measurement configuration information according to the measurement information of the first device and the measurement information of the second device, and performs position measurement on the first device according to the measurement configuration information, wherein the measurement configuration information is used for indicating initial measurement information and channel information of measurement performed by the first device and the second device.

Inventors

  • LI DEJIAN
  • QUAN CHAO
  • WANG YONG
  • WANG JIAN

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260512
Application Date
20241112

Claims (20)

  1. 1. A method of communication, comprising: Receiving a broadcast frame from a first device, wherein the broadcast frame includes measurement information of the first device; transmitting a response frame of the broadcast frame to the first device within a time window indicated by the broadcast frame, wherein the response frame comprises measurement information of the second device; Acquiring measurement configuration information according to the measurement information of the first equipment and the measurement information of the second equipment, wherein the measurement configuration information is used for indicating initial measurement information and channel information of measurement performed by the first equipment and the second equipment; and carrying out position measurement on the first equipment according to the measurement configuration information.
  2. 2. The method of claim 1, wherein the step of determining the position of the substrate comprises, The broadcast frame is received through a broadcast channel or a data channel, and the response frame is transmitted through a data channel.
  3. 3. A method according to claim 1 or 2, characterized in that, The measurement information includes one or more of measurement capability information, or device information; The measurement capability information comprises one or more of a measurement mode, a narrowband frequency hopping capability information or an ultra-wideband pulse measurement capability information, wherein the measurement mode comprises one or more of a narrowband frequency hopping measurement mode or an ultra-wideband pulse measurement mode; The device information includes one or more of a device name, a device type, a device address, or a name of a communication domain in which the device is located.
  4. 4. The method of claim 3, wherein the step of, The narrowband hopping capability information comprises one or more of narrowband hopping measurement supporting default configuration, measurement bandwidth, supported measurement frame type, physical layer security information or multitone signal information; Wherein the measurement frame types supported by the narrowband frequency hopping include one or more of measurement frame type 1, measurement frame type 2, or measurement frame type 3.
  5. 5. The method according to claim 3 or 4, wherein, The ultra-wideband pulse measurement capability information includes one or more of ultra-wideband pulse measurement, measurement bandwidth, synchronization signal length, number of slices of the measurement signal, slice length of the measurement signal, codeword information, or physical layer security information supporting a default configuration.
  6. 6. The method according to any one of claims 1-5, wherein the obtaining measurement configuration information comprises: receiving measurement configuration information from the first device, or The measurement configuration information is determined by the second device according to the measurement information of the first device and the measurement information of the second device.
  7. 7. The method of claim 6, wherein in the event that the measurement configuration information is determined by the second device, the method further comprises: And carrying the measurement configuration information in the response frame and sending the measurement configuration information to the first equipment.
  8. 8. The method according to any one of claims 1 to 7, wherein, The measurement configuration information comprises one or more of a pre-node or post-node configuration, an initialization stage resource configuration information, a measurement event group starting moment, a measurement event group time offset, a measurement event group period, a measurement event group number, an event total number, a logic link identification, a measurement frame type 1 inter-event interval, a measurement frame type 2 inter-event interval, an initialization stage inter-event interval, an intra-event interval, a frequency hopping measurement mode, a frequency hopping random seed, a measurement signal type, a number of multi-tone signal bandwidths and chords, and a default measurement parameter or measurement parameter set index.
  9. 9. The method of claim 8, wherein the step of determining the position of the first electrode is performed, The measurement signal in the measurement frame is a narrowband single-frequency sine wave signal, a Binary Phase Shift Keying (BPSK) signal or a multitone signal.
  10. 10. The method according to any of claims 1-9, wherein said performing a position measurement on said first device based on said measurement configuration information comprises: receiving a first measurement frame from the first device on a preset measurement frequency point set, wherein the first measurement frame is of a measurement frame type 2 or a measurement frame type 1; And according to the first measurement frame, performing frequency hopping measurement on the first equipment on the preset measurement frequency point set.
  11. 11. The method of claim 10, wherein prior to the receiving the first measurement frame from the first device, the method further comprises: receiving a measurement frame type 3 from the first device, wherein the measurement frame type 3 comprises a preamble field, a synchronization signal field, and an equalization protection field; And carrying out measurement initialization according to the measurement frame type 3.
  12. 12. The method according to any of claims 1-8, wherein said performing a position measurement on said first device based on said measurement configuration information comprises: receiving an ultra wideband measurement frame from the first device; and carrying out position measurement on the first equipment according to the ultra-wideband measurement frame.
  13. 13. The method of claim 12, wherein prior to the receiving the ultra-wideband measurement frame from the first device, the method further comprises: receiving a narrowband measurement frame from the first device; and carrying out initial synchronization according to the narrowband measurement frame.
  14. 14. A method of communication, comprising: transmitting a broadcast frame to a second device, wherein the broadcast frame includes measurement information of a first device; Receiving a response frame of the broadcast frame from the second device within a time window indicated by the broadcast frame, wherein the response frame comprises measurement information of the second device; Acquiring measurement configuration information according to the measurement information of the first equipment and the measurement information of the second equipment, wherein the measurement configuration information is used for indicating initial measurement information and channel information of measurement performed by the first equipment and the second equipment; and carrying out position measurement on the second equipment according to the measurement configuration information.
  15. 15. The method of claim 14, wherein the step of providing the first information comprises, The broadcast frame is transmitted through a broadcast channel or a data channel, and the response frame is received through a data channel.
  16. 16. The method according to claim 14 or 15, wherein, The measurement information includes one or more of measurement capability information, or device information; The measurement capability information comprises one or more of a measurement mode, a narrowband frequency hopping capability information or an ultra-wideband pulse measurement capability information, wherein the measurement mode comprises one or more of a narrowband frequency hopping measurement mode or an ultra-wideband pulse measurement mode; The device information includes one or more of a device name, a device type, a device address, or a name of a communication domain in which the device is located.
  17. 17. The method of claim 16, wherein the step of determining the position of the probe comprises, The narrowband hopping capability information comprises one or more of narrowband hopping measurement supporting default configuration, measurement bandwidth, supported measurement frame type, physical layer security information or multitone signal information; Wherein the measurement frame types supported by the narrowband frequency hopping include one or more of measurement frame type 1, measurement frame type 2, or measurement frame type 3.
  18. 18. The method according to claim 16 or 17, wherein, The ultra-wideband pulse measurement capability information includes one or more of ultra-wideband pulse measurement, measurement bandwidth, synchronization signal length, number of slices of the measurement signal, slice length of the measurement signal, codeword information, or physical layer security information supporting a default configuration.
  19. 19. The method according to any of claims 14-18, wherein the obtaining measurement configuration information comprises: the response frame includes the measurement configuration information, or The measurement configuration information is determined by the first device according to the measurement information of the first device and the measurement information of the second device.
  20. 20. The method of claim 19, wherein in the event that the measurement configuration information is determined by the first device, the method further comprises: And sending the measurement configuration information to the second equipment.

Description

Communication method and device Technical Field The present application relates to the field of communications technologies, and in particular, to a communications method and apparatus. Background In the communication system, two communication devices can exchange ranging capability based on a probe request frame and a probe response frame in a state of not establishing connection, so as to realize ranging. However, for a star flash system that does not support a probe request frame and a probe response frame, how to perform ranging when two communication devices in the star flash system do not establish a connection is a technical problem to be solved. Disclosure of Invention The application provides a communication method and a communication device, which can be used for ranging when two communication devices are not connected, so that the measurement efficiency is improved. In a first aspect, the present application provides a communication method, which may be performed by a second device, where the "second device" in the present application may refer to the second device itself, a component (for example, a processor, a chip, or a chip system, etc.) in the second device, or a logic module or software that can implement all or part of the functions of the second device, unless specified otherwise. The method comprises the steps of receiving a broadcast frame from first equipment, sending a response frame of the broadcast frame to the first equipment in a time window indicated by the broadcast frame, wherein the response frame comprises measurement information of second equipment, acquiring measurement configuration information according to the measurement information of the first equipment and the measurement information of the second equipment, and carrying out position measurement on the first equipment according to the measurement configuration information. The measurement configuration information is used for indicating initial measurement information and channel information of measurement performed by the first device and the second device. Based on the first aspect, when the first device and the second device are not connected, the measurement information of the first device and the measurement information of the second device can be interacted through the broadcast frame and the response frame of the broadcast frame, so that the second device can acquire measurement configuration information according to the measurement information of the first device and the measurement information of the second device, and connectionless measurement is performed according to the measurement configuration information. The problem of rapid measurement under the condition of no connection between adjacent strange nodes is solved, time delay required for establishing safe connection is avoided, and measurement efficiency is improved. In one possible design, the broadcast frames are received over a broadcast channel or a data channel and the response frames are transmitted over the data channel. Based on this possible design, the broadcast frame may be a base broadcast frame or may be an extended broadcast frame. Wherein the basic broadcast frame may be transmitted or received through a broadcast channel. The extended broadcast frame may be transmitted or received over a data channel. In one possible design, the measurement information includes one or more of measurement capability information, or device information, wherein the measurement capability information includes one or more of measurement mode, narrowband hopping capability information, or ultra wideband pulse measurement capability information, the measurement mode includes one or more of narrowband hopping measurement mode, or ultra wideband pulse measurement mode, and the device information includes one or more of device name, device type, device address, or name of communication domain in which the device is located. Based on the possible design, by carrying the one or more parameters in the measurement information, measurement configuration information can be determined later according to the measurement information, so that measurement performance is improved, and accuracy of measurement results is improved. In one possible design, the narrowband hopping capability information comprises one or more of a narrowband hopping measurement supporting a default configuration, a measurement bandwidth, a supported measurement frame type, physical layer security information, or multitone signal information, wherein the narrowband hopping supported measurement frame type comprises one or more of a measurement frame type 1, a measurement frame type 2, or a measurement frame type 3. Based on this possible design, narrowband measurement performance may be improved by carrying one or more of the parameters described above in narrowband hopping capability information. In one possible design, the ultra-wideband pulse measurement capability information includes one or