CN-122029756-A - Method and apparatus for determining transmit power in integrated sensing and communication (ISAC) technology

Abstract

The present disclosure provides a method of performing wireless communication and sensing by a first apparatus and an apparatus supporting the same. The first device may acquire information related to the sensing region, determine a transmit power for transmitting the sensing signal based on a maximum distance between the first device and the sensing region, and transmit the sensing signal based on the transmit power. For example, a target object within the sensing region may be detected based on the sensing signal.

Inventors

• Bian Zaixuan
• Gao Daishi
• XU HANPIE
• LI CHENGMIN

Assignees

• LG电子株式会社

Dates

Publication Date

20260512

Application Date

20241004

Priority Date

20231020

Claims (20)

1. 1. A method, the method comprising: Obtaining information related to the sensing region; determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Transmitting the sensing signal based on the transmission power, Wherein a target object within the sensing region is detected based on the sensing signal.
2. 2. The method according to claim 1, Wherein the transmission power for transmitting the sensing signal is a minimum required transmission power for transmitting the sensing signal.
3. 3. The method according to claim 1, Wherein the transmission power for transmitting the sensing signal is a maximum allowable transmission power for transmitting the sensing signal.
4. 4. The method according to claim 1, Wherein the sensing signal is sent to a second device based on the target object.
5. 5. The method according to claim 4, wherein the method comprises, Wherein the transmit power is determined based on a maximum distance between the first device and the sensing region and a maximum distance between the second device and the sensing region.
6. 6. The method of claim 1, the method further comprising: The sensing signal reflected by the target object is received.
7. 7. The method according to claim 1, Wherein the sensing region is determined by the first device or the second device based on at least one of information related to a position of the first device, information related to a movement path of the first device, information related to a position of the second device, or information related to a movement path of the second device.
8. 8. The method of claim 1, the method further comprising: transmitting information related to the sensing to the second device, Wherein the information related to the sensing includes at least one of information related to the sensing region, information related to an Identifier (ID), information related to a reference signal, information related to a time synchronization signal, information related to antenna characteristics, information related to beamforming, or information related to a location of the first device.
9. 9. The method of claim 1, the method further comprising: Information related to the sensing is received and, Wherein the information related to the sensing includes at least one of information related to an Identifier (ID), information related to a reference signal, information related to a time synchronization signal, information related to an antenna characteristic, or information related to a location of a second device.
10. 10. The method of claim 1, the method further comprising: Receiving feedback information related to the sense signal, Wherein the feedback information includes at least one of information related to a reception power of a second device, information related to original data of a signal received by the second device, information related to a request for changing the transmission power, information related to a request for changing a transmission direction of the sensing signal, information related to a request for retransmitting the sensing signal, signal information obtained by processing a signal received by the second device, or information related to the target object.
11. 11. The method of claim 1, the method further comprising: changing an array antenna configuration of the first device based on the information related to the sensing region, Wherein the array antenna configuration includes at least one of a number of arrays, a wavelength, or an array pitch.
12. 12. The method according to claim 1, Wherein a beamforming configuration for transmitting the sensing signal is determined based on the information related to the sensing region.
13. 13. The method according to claim 1, Wherein the method is performed by the first device.
14. 14. A first apparatus, the first apparatus comprising: At least one transceiver; at least one processor, and At least one memory coupled to the at least one processor and storing instructions that, based on execution by the at least one processor, cause the first apparatus to perform operations comprising: Obtaining information related to the sensing region; Determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Transmitting the sensing signal based on the transmission power, Wherein a target object within the sensing region is detected based on the sensing signal.
15. 15. A processing device adapted to control a first device, the processing device comprising: at least one processor, and At least one memory coupled to the at least one processor and storing instructions that, based on execution by the at least one processor, cause the first apparatus to perform operations comprising: Obtaining information related to the sensing region; Determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Transmitting the sensing signal based on the transmission power, Wherein a target object within the sensing region is detected based on the sensing signal.
16. 16. A non-transitory computer-readable storage medium storing instructions that, when executed, cause a first apparatus to perform operations comprising: Obtaining information related to the sensing region; Determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Transmitting the sensing signal based on the transmission power, Wherein a target object within the sensing region is detected based on the sensing signal.
17. 17. A method, the method comprising: Obtaining information related to the sensing region; determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Receiving the sensing signal transmitted based on the transmission power based on a target object, Wherein the target object within the sensing region is detected based on the sensing signal.
18. 18. A second apparatus, the second apparatus comprising: At least one transceiver; at least one processor, and At least one memory coupled to the at least one processor and storing instructions that, based on execution by the at least one processor, cause the second apparatus to perform operations comprising: Obtaining information related to the sensing region; determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Receiving the sensing signal transmitted based on the transmission power based on a target object, Wherein the target object within the sensing region is detected based on the sensing signal.
19. 19. A processing device adapted to control a second device, the processing device comprising: at least one processor, and At least one memory coupled to the at least one processor and storing instructions that, based on execution by the at least one processor, cause the second apparatus to perform operations comprising: Obtaining information related to the sensing region; determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Receiving the sensing signal transmitted based on the transmission power based on a target object, Wherein the target object within the sensing region is detected based on the sensing signal.
20. 20. A non-transitory computer-readable storage medium storing instructions that, when executed, cause a second apparatus to perform operations comprising: Obtaining information related to the sensing region; determining a transmit power for transmitting a sensing signal based on a maximum distance between the first device and the sensing region, and Receiving the sensing signal transmitted based on the transmission power based on a target object, Wherein the target object within the sensing region is detected based on the sensing signal.

Description

Method and apparatus for determining transmit power in integrated sensing and communication (ISAC) technology Technical Field The present disclosure relates to wireless communication systems. Background The 5G NR is a subsequent technology of Long Term Evolution (LTE) and is a new type of completely new mobile communication system having characteristics such as high performance, low latency, high availability, etc. The 5G NR may utilize all available spectrum resources including a low frequency band of 1 GHz or less, a middle frequency band between 1 GHz and 10 GHz, a high frequency (millimeter wave) band of 24 GHz or more, and the like. A 6G (wireless communication) system has goals such as (i) very high data rate per device, (ii) very large number of connected devices, (iii) global connectivity, (iv) very low latency, (v) reduced energy consumption of battery-less IoT devices, (vi) ultra-reliable connectivity, and (vii) networking intelligence with machine learning capabilities. The landscape of the 6G system may include four aspects such as intelligent connectivity, deep connectivity, holographic connectivity, and ubiquitous connectivity, and the 6G system may meet the requirements shown in table 1 below. That is, table 1 shows the requirements of the 6G system. TABLE 1 Disclosure of Invention Technical proposal According to embodiments of the present disclosure, a method may be provided. For example, the method may include obtaining information related to a sensing region, determining a transmit power for transmitting a sensing signal based on a maximum distance between a first device and the sensing region, and transmitting the sensing signal based on the transmit power. For example, a target object within the sensing region may be detected based on the sensing signal. According to embodiments of the present disclosure, an apparatus may be provided. For example, the apparatus may include at least one transceiver, at least one processor, and at least one memory coupled to the at least one processor and storing instructions that, based on execution by the at least one processor, may cause the apparatus to perform operations including obtaining information related to a sensing region, determining a transmit power for transmitting a sensing signal based on a maximum distance between a first apparatus and the sensing region, and transmitting the sensing signal based on the transmit power. For example, a target object within the sensing region may be detected based on the sensing signal. According to an embodiment of the present disclosure, a processing device configured as a control device may be provided. The processing device may include at least one processor, and at least one memory coupled to the at least one processor and storing instructions that, based on execution by the at least one processor, may cause the device to perform operations including obtaining information related to a sensing region, determining a transmit power for transmitting a sensing signal based on a maximum distance between a first device and the sensing region, and transmitting the sensing signal based on the transmit power. For example, a target object within the sensing region may be detected based on the sensing signal. According to embodiments of the present disclosure, a non-transitory computer-readable storage medium storing instructions may be provided. The instructions, when executed, cause an apparatus to perform operations including obtaining information related to a sensing region, determining a transmit power for transmitting a sensing signal based on a maximum distance between a first apparatus and the sensing region, and transmitting the sensing signal based on the transmit power. For example, a target object within the sensing region may be detected based on the sensing signal. Drawings Fig. 1 illustrates a communication process between devices according to an embodiment of the present disclosure. Fig. 2 illustrates a radio protocol architecture in accordance with an embodiment of the present disclosure. Fig. 3 illustrates a structure of a radio frame according to an embodiment of the present disclosure. Fig. 4 illustrates a slot structure of a frame according to an embodiment of the present disclosure. Fig. 5 illustrates an example of BWP according to an embodiment of the present disclosure. Fig. 6 illustrates a communication structure that may be provided in a 6G system, in accordance with an embodiment of the present disclosure. Fig. 7 illustrates an example of a 6G system-based communication scenario in accordance with an embodiment of the present disclosure. Fig. 8 illustrates beam management in accordance with an embodiment of the present disclosure. Fig. 9 illustrates an example of a sensing operation according to an embodiment of the present disclosure. Fig. 10 illustrates a relationship among RCS, distance (D), and power according to an embodiment of the present disclosure. Fig. 11 illustrates single sta