# US 12,764,787 B2 · Communication method and communication device

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- Number: US 12,764,787 B2
- Document ID: US12764787B2
- Status: Granted
- Kind: B2
- Application number: 18/576,673
- Filed: 2021-07-06
- Published: 2024-09-19
- Granted: 2026-10-13
- Earliest claimed: 2021-07-06
- Assignees: Beijing Xiaomi Mobile Software Co., Ltd.
- Applicants: Beijing Xiaomi Mobile Software Co., Ltd.
- Inventors: Xiandong Dong
- Web page: https://patentgrep.com/patent/US12764787B2

## CPC

- H04W 74/0808: using carrier sensing, e.g. carrier sense multiple access [CSMA]
- H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA
- H04W 84/12: WLAN [Wireless Local Area Networks]
- H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72)

## Abstract

A communication method is performed by an initiator of wireless local area network (WLAN) sensing. The communication method includes: determining a first message frame, the first message frame comprising parameters related to at least one WLAN sensing session; and sending the first message frame.

## Claims

### Claim 1

A communication method, performed by an initiator of wireless local area network (WLAN) sensing, the method comprising:
determining a first message frame, wherein the first message frame comprises parameters associated with at least one WLAN sensing session; and
sending the first message frame;
wherein the parameters comprise at least one unassociated identifier, each unassociated identifier indicating that a device participating in a corresponding WLAN sensing session is a device unassociated with a device sending the first message frame.

### Claim 2 (depends on 1)

The method according to claim 1, wherein the parameters comprise at least one session identifier, and each session identifier is configured to verify a transmitted frame in a corresponding WLAN sensing session.

### Claim 3 (depends on 1)

The method according to claim 1, wherein the parameters comprise at least one associated identifier, and each associated identifier indicates that the device participating in the corresponding WLAN sensing session is associated with the device sending the first message frame.

### Claim 4 (depends on 1)

The method according to claim 1, wherein the parameters comprise a frequency band identifier of a channel bandwidth used by each WLAN sensing session.

### Claim 5 (depends on 4)

The method according to claim 4, wherein the frequency band identifier comprises a first identifier bit, and the first identifier bit is configured to indicate a frequency band of a channel bandwidth used by a corresponding WLAN sensing session.

### Claim 6 (depends on 5)

The method according to claim 5, wherein the frequency band identifier further comprises a second identifier bit, and the second identifier bit is configured to indicate a sub-frequency band in the frequency band used by the corresponding WLAN sensing session.

### Claim 7 (depends on 6)

The method according to claim 6, wherein the frequency band is 1 GHZ-7.125 GHz, or 60 GHz.

### Claim 8 (depends on 6)

The method according to claim 6, wherein
the frequency band is 1 GHZ-7.125 GHz, and the sub-frequency band indicated by the second identifier bit is one of: 20 MHz, 40 MHz, 80 MHz, 80+80 MHz/160 MHz, or 160+160 MHz/320 MHz; or
the frequency band is 60 GHz, and the sub-frequency band indicated by the second identifier bit is one of: 540 MHz, 1.08 GHz, 2.16 GHz, 2.16+2.16 GHz/4.32 GHz, or 4.32+4.32 GHz/8.64 GHz.

### Claim 9 (depends on 1)

A non-transitory computer-readable storage medium having stored thereon a computer program that, when executed by a processor, causes the processor to execute the method of claim 1.

### Claim 10

A communication method, performed by a responder of wireless local area network (WLAN) sensing, the method comprising:
receiving a first message frame, wherein the first message frame comprises parameters associated with at least one WLAN sensing session; and
performing communication according to the first message frame;
wherein the parameters comprise at least one unassociated identifier, each unassociated identifier indicating that a device participating in a corresponding WLAN sensing session is a device unassociated with a device sending the first message frame.

### Claim 11 (depends on 10)

The method according to claim 10, wherein the parameters comprise at least one session identifier, and each session identifier is configured to verify a transmitted frame in a corresponding WLAN sensing session.

### Claim 12 (depends on 10)

The method according to claim 10, wherein the parameters comprise at least one associated identifier, and each associated identifier indicates that the device participating in the corresponding WLAN sensing session is associated with the device sending the first message frame.

### Claim 13 (depends on 10)

The method according to claim 10, wherein the parameter comprise a frequency band identifier of a channel bandwidth used by each WLAN sensing session.

### Claim 14 (depends on 13)

The method according to claim 13, wherein the frequency band identifier comprises a first identifier bit, and the first identifier bit is configured to indicate a frequency band of a channel bandwidth used by a corresponding WLAN sensing session.

### Claim 15 (depends on 14)

The method according to claim 14, wherein the frequency band identifier further comprises a second identifier bit, and the second identifier bit is configured to indicate a sub-frequency band in the frequency band used by the corresponding WLAN sensing session.

### Claim 16 (depends on 15)

The method according to claim 15, wherein the frequency band is 1 GHz-7.125 GHz, or 60 GHz.

### Claim 17 (depends on 16)

The method according to claim 16, wherein,
the frequency band is 1 GHZ-7.125 GHz, and the sub-frequency band indicated by the second identifier bit is one of: 20 MHz, 40 MHz, 80 MHz, 80+80 MHz/160 MHz, or 160+160 MHz/320 MHz; or
the frequency band is 60 GHz, and the sub-frequency band indicated by the second identifier bit is one of: 540 MHz, 1.08 GHz, 2.16 GHz, 2.16+2.16 GHz/4.32 GHz, or 4.32+4.32 GHz/8.64 GHz.

### Claim 18 (depends on 10)

An electronic device, serving as a responder of wireless local area network (WLAN) sensing, the electronic device comprising a processor, and a memory for storing a computer program executable by the processor, wherein when the computer program is executed by the processor, the method according to claim 10 is implemented.

### Claim 19 (depends on 10)

A non-transitory computer-readable storage medium having stored thereon a computer program, wherein when the computer program is executed by a processor, the method according to claim 10 is implemented.

### Claim 20

An electronic device, serving as an initiator of wireless local area network (WLAN) sensing, the electronic device comprising
a processor, and
a memory storing machine-readable instructions that, when executed by the processor, cause the processor to determine a first message frame, wherein the first message frame comprises parameters associated with at least one WLAN sensing session, and send the first message frame;
wherein the parameters comprise at least one unassociated identifier, each unassociated identifier indicating that a device participating in a corresponding WLAN sensing session is a device unassociated with a device sending the first message frame.
