WO-2026095685-A1 - METHOD AND DEVICE FOR ULTRA-WIDE BAND COMMUNICATION AND BLUETOOTH COMMUNICATION

WO2026095685A1WO 2026095685 A1WO2026095685 A1WO 2026095685A1WO-2026095685-A1

Abstract

Disclosed in the present disclosure is a method for operating a ultra-side band (UWB) channel and a BT channel together. A method of a first electronic device, according to an embodiment of the present disclosure, may comprise the steps of: receiving, from a second electronic device, a Bluetooth low energy (BLE) advertisement message including a device ID of the second electronic device, BLE channel sounding configuration information of the second electronic device, and UWB configuration information of the second electronic device; transmitting, to the second electronic device, a connection request message including BLE channel sounding configuration information preferred by the first electronic device and UWB configuration information of the first electronic device; carrying out pre-ranging with the second electronic device via BLE channel sounding on the basis of the BLE channel sounding configuration information preferred by the first electronic device and the BLE channel sounding configuration information of the second electronic device; and when a condition for transition from the pre-ranging to UWB ranging is satisfied, carrying out the UWB ranging with the second electronic device.

Inventors

KEUM, Jieun
SHIN, Sungin

Assignees

삼성전자 주식회사

Dates

Publication Date: 20260507
Application Date: 20251030
Priority Date: 20241101

Claims (15)

In the method of the first electronic device, The operation of receiving a BLE advertisement message from the second electronic device, the message comprising a device ID of the second electronic device, BLE (Bluetooth low energy) channel sounding setting information of the second electronic device, and UWB (Ultra Wide Band) setting information of the second electronic device; The operation of transmitting a connection request message to the second electronic device, the message including BLE channel sounding setting information preferred by the first electronic device and UWB setting information of the first electronic device; An operation of performing pre-ranging with the second electronic device through BLE channel sounding based on BLE channel sounding setting information preferred by the first electronic device and BLE channel sounding setting information of the second electronic device; and A method comprising the operation of performing the second electronic device and the UWB ranging when the condition for switching from the above-mentioned pre-ranging to UWB ranging is satisfied.
In claim 1, the transition condition from the pre-ranging to the UWB ranging is, Comparison result of the result of the pre-ranging through the above BLE channel sounding and the first threshold value; Comparison result of the number of pre-rangings through the above BLE channel sounding and the second threshold value; and A method comprising at least one of the result of comparing the change in the result value of the pre-ranging through the BLE channel sounding and the third threshold value.
In claim 1, the BLE channel sounding setting information of the second electronic device is, A method comprising at least one of the number of channel sounding configurations supported by the second electronic device, the maximum number of continuous channel sounding procedures supported by the local controller, the number of antenna elements available for channel sounding tone exchanges (CS tone exchanges), the maximum number of antenna paths supported by the local controller for channel sounding tone exchanges, channel sounding roles supported by the local controller, optional channel sounding modes supported by the local controller, time-of-flight (TOF) accuracy, sub-features supported by the local controller, and time durations supported in the channel sounding stage.
In paragraph 1, An operation to verify the execution of a specific service during the pre-ranging via the above BLE channel sounding; An action of stopping the pre-ranging through the BLE channel sounding so that the specific service above can continue to run; and A method comprising the above-mentioned second electronic device and the operation of performing the above-mentioned UWB ranging.
In paragraph 1, A method of transmitting a command that triggers the pre-ranging through the BLE channel sounding in the framework of the first electronic device to the BLE component of the first electronic device.
In the method of the second electronic device, The operation of transmitting a BLE advertisement message to a first electronic device, the device ID of the second electronic device, BLE (Bluetooth low energy) channel sounding setting information of the second electronic device, and UWB (Ultra Wide Band) setting information of the second electronic device; The operation of receiving a connection request message from the first electronic device, the message including BLE channel sounding setting information preferred by the first electronic device and UWB setting information of the first electronic device; An operation of performing pre-ranging with the first electronic device through BLE channel sounding based on BLE channel sounding setting information preferred by the first electronic device and BLE channel sounding setting information of the second electronic device; and A method comprising the operation of performing the first electronic device and the UWB ranging when the condition for switching from the above-mentioned pre-ranging to UWB ranging is satisfied.
In paragraph 6, the transition condition from the pre-ranging to the UWB ranging is, Comparison result of the result of the pre-ranging through the above BLE channel sounding and the first threshold value; Comparison result of the number of pre-rangings through the above BLE channel sounding and the second threshold value; and A method comprising at least one of the result of comparing the change in the result value of the pre-ranging through the BLE channel sounding and the third threshold value.
In paragraph 6, the BLE channel sounding setting information of the second electronic device is, A method comprising at least one of the number of channel sounding configurations supported by the second electronic device, the maximum number of continuous channel sounding procedures supported by the local controller, the number of antenna elements available for channel sounding tone exchanges (CS tone exchanges), the maximum number of antenna paths supported by the local controller for channel sounding tone exchanges, channel sounding roles supported by the local controller, optional channel sounding modes supported by the local controller, time-of-flight (TOF) accuracy, sub-features supported by the local controller, and time durations supported in the channel sounding stage.
In paragraph 6, A method in which, if the execution of a specific service is confirmed during the pre-ranging through the BLE channel sounding of the first electronic device, the pre-ranging through the BLE channel sounding is stopped so that the specific service can continue to be executed.
In paragraph 6, A method of transmitting a command that triggers the pre-ranging through the BLE channel sounding in the framework of the second electronic device to the BLE component of the second electronic device.
In the first electronic device, Transmitter/receiver; and It includes a control unit, and the control unit, A BLE advertisement message including a device ID of the second electronic device, BLE (Bluetooth low energy) channel sounding setting information of the second electronic device, and UWB (Ultra Wide Band) setting information of the second electronic device is received from the second electronic device, and Controls the transmission of a connection request message to the second electronic device, the message including BLE channel sounding setting information preferred by the first electronic device and UWB setting information of the first electronic device. Based on the BLE channel sounding setting information preferred by the first electronic device and the BLE channel sounding setting information of the second electronic device, pre-ranging is performed with the second electronic device through BLE channel sounding, and A device that performs the UWB ranging with the second electronic device when the condition for switching from the above-mentioned pre-ranging to UWB ranging is satisfied.
In paragraph 11, the transition condition from the above pre-ranging to the above UWB ranging is, Comparison result of the result of the pre-ranging through the above BLE channel sounding and the first threshold value; Comparison result of the number of pre-rangings through the above BLE channel sounding and the second threshold value; and A device comprising at least one of the result of comparing the change in the result value of the pre-ranging through the BLE channel sounding and the third threshold value.
In paragraph 11, the BLE channel sounding setting information of the second electronic device is, A device comprising at least one of the number of channel sounding configurations supported by the second electronic device, the maximum number of continuous channel sounding procedures supported by the local controller, the number of antenna elements available for channel sounding tone exchanges (CS tone exchanges), the maximum number of antenna paths supported by the local controller for channel sounding tone exchanges, channel sounding roles supported by the local controller, optional channel sounding modes supported by the local controller, time-of-flight (TOF) accuracy, sub-features supported by the local controller, and time durations supported in the channel sounding stage.
In Clause 11, the control unit is, Confirm the execution of a specific service during the pre-ranging via the above BLE channel sounding, and To ensure that the above specific service continues to run, the above pre-ranging through the above BLE channel sounding is stopped, and The second electronic device and the device performing the UWB ranging.
In the second electronic device, Transmitter/receiver; and It includes a control unit, and the control unit, Control to transmit a BLE advertisement message to a first electronic device, the message including the device ID of the second electronic device, BLE (Bluetooth low energy) channel sounding setting information of the second electronic device, and UWB (Ultra Wide Band) setting information of the second electronic device. A connection request message is received from the first electronic device, the message including BLE channel sounding setting information preferred by the first electronic device and UWB setting information of the first electronic device, and Based on the BLE channel sounding setting information preferred by the first electronic device and the BLE channel sounding setting information of the second electronic device, pre-ranging is performed with the first electronic device through BLE channel sounding, and A device that performs the UWB ranging, wherein the condition for switching from the above-mentioned pre-ranging to UWB ranging is satisfied, the first electronic device and the device that performs the above-mentioned UWB ranging.

Description

Method and device for ultra-wideband communication and Bluetooth communication The present disclosure relates to UWB communication, and more specifically, to a method and apparatus for providing services through a UWB channel and a BT channel. The Internet is evolving from a human-centered network where humans generate and consume information into an IoT (Internet of Things) network where distributed components, such as objects, exchange and process information. IoE (Internet of Everything) technology, which combines IoT with Big Data processing technologies through connections with cloud servers, is also emerging. Implementing IoT requires technological elements such as sensing technology, wired and wireless communication and network infrastructure, service interface technology, and security technology. Recently, technologies such as sensor networks, Machine-to-Machine (M2M) communication, and Machine-Type Communication (MTC) are being researched for connecting objects. In an IoT environment, intelligent IT (Internet Technology) services that create new value for human life by collecting and analyzing data generated from connected objects can be provided. Through the convergence and integration of existing IT (Information Technology) with various industries, IoT can be applied to fields such as smart homes, smart buildings, smart cities, smart or connected cars, smart grids, healthcare, smart home appliances, and advanced medical services. With the advancement of wireless communication systems, it has become possible to provide various services, and thus, measures to effectively provide these services are required. For example, a ranging technology that measures the distance between electronic devices using Ultra Wide Band (UWB) can be used. FIG. 1 is an exemplary architecture of a UWB device according to one embodiment of the present disclosure. FIG. 2 shows a communication system including a UWB device according to one embodiment of the present disclosure. FIG. 3 shows an example of the structure of a ranging block and a round used for UWB ranging according to one embodiment of the present disclosure. FIG. 4a illustrates a UWB ranging operation according to one embodiment of the present disclosure. FIG. 4b illustrates a UWB ranging operation according to another embodiment of the present disclosure. FIG. 5 shows an electronic device including a ranging control block according to one embodiment of the present disclosure. FIG. 6 illustrates a parameter negotiation process for BT channel sounding according to one embodiment of the present disclosure. FIGS. 7a and 7b are drawings for explaining the process of performing UWB ranging based on BT channel sounding according to one embodiment of the present disclosure. FIGS. 8a and 8b are drawings for explaining the process of performing UWB ranging based on BT channel sounding according to another embodiment of the present disclosure. FIG. 9 shows the structure of a first UWB device according to one embodiment of the present disclosure. FIG. 10 shows the structure of a second UWB device according to one embodiment of the present disclosure. Hereinafter, embodiments of the present disclosure will be described in detail with reference to the attached drawings. In describing the embodiments, technical details that are well known in the technical field to which this disclosure belongs and are not directly related to this disclosure are omitted. This is intended to convey the essence of this disclosure more clearly without obscuring it by omitting unnecessary explanations. For the same reason, some components in the attached drawings have been exaggerated, omitted, or schematically depicted. Additionally, the size of each component does not entirely reflect its actual dimensions. Identical or corresponding components in each drawing have been assigned the same reference number. The advantages and features of the present disclosure and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present disclosure is not limited to the embodiments disclosed below but may be implemented in various different forms. The embodiments of the present disclosure are provided merely to make the present disclosure complete and to fully inform those skilled in the art of the scope of the disclosure, and the present disclosure is defined only by the scope of the claims. Throughout the specification, like reference numerals refer to like components. At this point, it will be understood that each block of the process flow diagrams and combinations of the flow diagrams can be executed by computer program instructions. Since these computer program instructions can be loaded into the processor of a general-purpose computer, a special-purpose computer, or other programmable data processing equipment, the instructions executed through the processor of the computer or other programmable da