US-20260129589-A1 - ELECTRONIC DEVICE AND METHOD FOR OPERATING ACCESS POINT

US20260129589A1US 20260129589 A1US20260129589 A1US 20260129589A1US-20260129589-A1

Abstract

An electronic device is provided. The electronic device includes at least one wireless communication module configured to transmit and receive a wireless signal, at least one processor operatively connected to the wireless communication module, and memory storing instructions, wherein the instructions, when executed individually or collectively by the at least one processor, cause the electronic device to transmit, to an external electronic device, a frame comprising an uplink power headroom (UPH) control field, receive a trigger frame for uplink multi-user communication from the external electronic device, and perform communication with the external electronic device based on information comprised in the trigger frame, wherein the UPH control field indicates information about maximum power that the electronic device is capable of utilizing for communication, and wherein the information is determined based on a time average specific absorption rate (TAS) backoff policy.

Inventors

Junsu CHOI

Assignees

SAMSUNG ELECTRONICS CO., LTD.

Dates

Publication Date: 20260507
Application Date: 20251231
Priority Date: 20230707

Claims (20)

1 . An electronic device comprising: at least one wireless communication module configured to transmit and receive a wireless signal; at least one processor operatively connected to the wireless communication module; and memory storing instructions, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to: transmit, to an external electronic device, a frame comprising an uplink power headroom (UPH) control field, receive a trigger frame for uplink multi-user communication from the external electronic device, and perform communication with the external electronic device based on information comprised in the trigger frame, wherein the UPH control field indicates information about maximum power that the electronic device is capable of utilizing for communication, and wherein the information is determined based on a time average specific absorption rate (TAS) backoff policy.
2 . The electronic device of claim 1 , wherein the UPH control field comprises: a UPH subfield indicating a value corresponding to the maximum power; and a reserved subfield indicating whether the maximum power is determined based on the TAS backoff policy.
3 . The electronic device of claim 1 , wherein the TAS backoff policy is based on a specific absorption rate (SAR) regulation to limit human body absorption of electromagnetic waves generated by the electronic device.
4 . The electronic device of claim 1 , wherein the TAS backoff policy is configured to update a TAS backoff restriction value for each time window to restrict average transmission power of the electronic device to a predetermined value or less during an averaging window.
5 . The electronic device of claim 4 , wherein a transmission time of the frame is synchronized with an update time of the TAS backoff restriction value according to the TAS backoff policy.
6 . The electronic device of claim 5 , wherein the frame is periodically transmitted at each update time of the TAS backoff restriction value according to the TAS backoff policy.
7 . The electronic device of claim 1 , wherein the external electronic device is configured to determine an uplink scheduling interval and a target received signal strength indicator (RSSI) of the electronic device, based on information comprised in the UPH control field.
8 . The electronic device of claim 1 , wherein the information comprised in the trigger frame comprises at least one of an uplink scheduling interval, a target received signal strength indicator (RSSI) of the electronic device, or a transmitted signal strength indicator (TSSI) of the trigger frame.
9 . The electronic device of claim 1 , wherein the instructions, when executed by the processor individually or collectively, cause the electronic device to: set a transmission power of the electronic device based on a transmitted signal strength indicator (TSSI) of the trigger frame, a received signal strength indicator (RSSI) of the trigger frame, and a target RSSI of the electronic device; and perform communication with the external electronic device based on the transmission power.
10 . The electronic device of claim 9 , wherein the transmission power is less than or equal to the maximum power.
11 . An operating method of an access point (AP), the operating method comprising: receiving, from an electronic device connected to the AP, a time average specific absorption rate (TAS) entrustment request for entrusting an update of a TAS backoff policy, which is to be applied to the electronic device, to the AP; determining a TAS backoff restriction value of the electronic device based on a TAS parameter comprised in the TAS entrustment request; and transmitting a trigger frame based on the TAS backoff restriction value to the electronic device, wherein the trigger frame is for uplink multi-user communication.
12 . The operating method of claim 11 , wherein the TAS backoff policy is based on a specific absorption rate (SAR) regulation to limit human body absorption of electromagnetic waves generated by the electronic device.
13 . The operating method of claim 11 , wherein the TAS backoff policy is configured to update the TAS backoff restriction value for each time window to restrict average transmission power of the electronic device to a predetermined value or less during an averaging window.
14 . The operating method of claim 11 , wherein the TAS parameter comprises at least one of information about an averaging window, information about a time window, or an energy budget available in a current time window.
15 . The operating method of claim 11 , further comprising determining an uplink scheduling interval and a target received signal strength indicator (RSSI) of the electronic device, based on the TAS backoff restriction value, wherein the uplink scheduling interval and the target RSSI of the electronic device are comprised in the trigger frame.
16 . One or more non-transitory computer-readable storage media storing one or more computer programs including computer-executable instructions that, when executed by one or more processors of an electronic device individually or collectively, cause the electronic device to perform operations, the operations comprising: receiving, from an electronic device connected to an access point (AP), a time average specific absorption rate (TAS) entrustment request for entrusting an update of a TAS backoff policy, which is to be applied to the electronic device, to the AP; determining a TAS backoff restriction value of the electronic device based on a TAS parameter comprised in the TAS entrustment request; and transmitting a trigger frame based on the TAS backoff restriction value to the electronic device, wherein the trigger frame is for uplink multi-user communication.
17 . The one or more non-transitory computer-readable storage media of claim 16 , wherein the TAS backoff policy is based on a specific absorption rate (SAR) regulation to limit human body absorption of electromagnetic waves generated by the electronic device.
18 . The one or more non-transitory computer-readable storage media of claim 16 , wherein the TAS backoff policy is configured to update the TAS backoff restriction value for each time window to restrict average transmission power of the electronic device to a predetermined value or less during an averaging window.
19 . The one or more non-transitory computer-readable storage media of claim 16 , wherein the TAS parameter comprises at least one of information about an averaging window, information about a time window, or an energy budget available in a current time window.
20 . The one or more non-transitory computer-readable storage media of claim 16 , the operations further comprising: determining an uplink scheduling interval and a target received signal strength indicator (RSSI) of the electronic device, based on the TAS backoff restriction value, wherein the uplink scheduling interval and the target RSSI of the electronic device are comprised in the trigger frame.

Description

CROSS-REFERENCE TO RELATED APPLICATION(S) This application is a continuation application, claiming priority under 35 U.S.C. § 365 (c), of an International application No. PCT/KR2024/006446, filed on May 13, 2024, which is based on and claims the benefit of a Korean patent application number 10-2023-0088558, filed on Jul. 7, 2023, in the Korean Intellectual Property Office, and of a Korean patent application number 10-2023-0095609, filed on Jul. 21, 2023, in the Korean Intellectual Property Office, the disclosure of each of which is incorporated by reference herein in its entirety. BACKGROUND 1. Field The disclosure relates to an electronic device and an operating method of an access point (AP). 2. Description of Related Art With the advent of electronic devices such as a smartphone, a tablet personal computer (PC), or a laptop, the demand for high-speed wireless connectivity has exploded. These trends and the growing demand for high-speed wireless connectivity have firmly established the Institute of Electrical and Electronic Engineers (IEEE) 802.11 wireless communication standard as a representative and universal high-speed wireless communication standard in the information technology (IT) industry. Early wireless local area network (WLAN) technologies developed around 1997 could support transmission speeds of up to 1 to 2 megabits per second (Mbps). Since then, based on the demand for faster wireless connectivity, WLAN technologies have steadily developed, including new WLAN technologies that improve transmission speeds, such as IEEE 802.11n, 802.11ac, and 802.11ax. The current IEEE 802.11 ax has a maximum transmission speed of several gigabits per second (Gbps). Today, WLANs provide high-speed wireless connections to users in various public places such as offices, airports, stadiums, and stations, in addition to private places such as homes. Accordingly, WLAN has greatly influenced people's lifestyles and culture and has become a lifestyle in modern life. The above information is presented as background information only to assist with an understanding of the disclosure. No determination has been made, and no assertion is made, as to whether any of the above might be applicable as prior art with regard to the disclosure. SUMMARY Aspects of the disclosure are to address at least the above-mentioned problems and/or disadvantages and to provide at least the advantages described below. Accordingly, an aspect of the disclosure is to provide to an electronic device and an operating method of an access point (AP). Additional aspects will be set forth in part in the description which follows and, in part, will be apparent from the description, or may be learned by practice of the presented embodiments. In accordance with an aspect of the disclosure, an electronic device is provided. The electronic device includes at least one wireless communication module configured to transmit and receive a wireless signal, at least one processor operatively connected to the wireless communication module, and memory storing instructions, wherein the instructions, when executed by the at least one processor individually or collectively, cause the electronic device to transmit, to an external electronic device, a frame including an uplink power headroom (UPH) control field, receive a trigger frame for uplink multi-user communication from the external electronic device, and perform communication with the external electronic device based on information included in the trigger frame, wherein the UPH control field indicates information about maximum power that the electronic device is capable of utilizing for communication, and wherein the information is determined based on a time average specific absorption rate (TAS) backoff policy. In accordance with another aspect of the disclosure, an operating method of an access point (AP) is provided. The operating method of the electronic device includes transmitting, to an external electronic device, a frame including a UPH control field, receiving a trigger frame for uplink multi-user communication from the external electronic device, and performing communication with the external electronic device based on information included in the trigger frame, wherein the UPH control field indicates information about the maximum power that the electronic device is capable of utilizing for communication, and wherein the information is determined based on a TAS backoff policy. In accordance with another aspect of the disclosure, an operating method of an access point (AP) is provided. The operating method includes receiving, from an electronic device connected to the AP, a time average specific absorption rate (TAS) entrustment request for entrusting an update of a TAS backoff policy, which is to be applied to the electronic device, to the AP, determining a TAS backoff restriction value of the electronic device based on a TAS parameter included in the TAS entrustment request and transmitting a trigger f