514 results about "Bluetooth Low Energy" patented technology

A method for dynamically adjusting transmit power of a first device that is in communication with a second device using a wireless communications protocol includes, in part, determining, by the second device, a received signal strength indication (RSSI) associated with a signal received from the first device; determining, by the second device, a first amount of power adjustment for the first device in accordance with the determined RSSI; transmitting the first amount of power adjustment from the second device to the first device; determining, by the first device, a second amount of power adjustment for the first device in accordance with the RSSI and the first amount of power adjustment; and changing a transmit power of the first device in accordance with the second amount of power adjustment.

A method of audio processing combining WiFi and BLE technologies includes: obtaining target audio data including multi-channel information; establishing connections among audio devices corresponding to multiple rooms through WiFi and BLE Auracast™ protocols; dynamically configuring distribution paths according to intelligent distance detection results, and obtaining a configured audio distribution network; adjusting, using a synchronization algorithm in the BLE Auracast™ protocol, a timing sequence of the target audio data, and obtaining synchronized audio data; and transmitting, according to the configured audio distribution network, the synchronized audio data via WiFi or the BLE Auracast™ protocol to each audio device for playback.

A BLUETOOTH connection system includes a BLUETOOTH headset, and a first electronic device and a second electronic device that have been paired with the BLUETOOTH headset. The BLUETOOTH headset is configured to establish a first connection to the first electronic device, where the first connection includes an asynchronous connection-oriented link (ACL) connection. The BLUETOOTH headset is further configured to send a BLUETOOTH Low Energy (BLE) broadcast message. The second electronic device is configured to establish a second connection to the BLUETOOTH headset after receiving the BLE broadcast message.

In some implementations, a wireless device schedules Bluetooth packets for transmission to a peripheral device over a Bluetooth link during an event, and obtains a number of sub-events (NSE) and a burst number (BN) for the event, the BN indicating the number of Bluetooth packets scheduled for transmission during the event, the NSE indicating the number of sub-events within the event. The wireless device obtains a minimum transmission attempt (minTx) value for the scheduled Bluetooth packets, the minTx value indicating a minimum number of transmission attempts allocated for each of the scheduled Bluetooth packets during the event. The wireless device determines flush points of the scheduled Bluetooth packets based at least in part on the minTx value, and transmits one or more of the scheduled Bluetooth packets over the Bluetooth link during the event based at least in part on the determined flush points.

The present invention is a wireless vehicle tank monitoring system using non-contact fluid level sensors with adjustable sensitivity to measure fluid levels in recreational vehicle holding tanks. A smart device application on a portable computer receives real-time data via Bluetooth Low Energy (BLE) communication. The user-friendly interface displays graphical tank states. The system optimizes power efficiency through deep sleep and selective notification techniques, extending battery life. Sensors' sensitivity adapts to different tank wall thicknesses for accurate readings. The integration of non-contact sensors and power-efficient communication ensures reliability, easy installation, and real-time data transmission. This cost-effective solution effectively manages fluid levels in recreational vehicles.

Systems and methods for secure and efficient user authentication on shared mobile devices, such as smartphones and tablets. This solution leverages the capabilities of RFID / NFC cards, access cards, and biometric sensors to establish seamless and personalized user authentication. An authenticator application communicates with a remote authentication service to either register passkeys locally for platform-wide use or forward authentication requests for remote processing, depending on configuration. The authenticator application orchestrates communication between the user, mobile device, and authentication service, creating a secure framework for various applications. Upon successful authentication, the system transforms the mobile device into a platform authenticator, making passkeys available across native apps and browsers. This system enhances security by integrating user identifiers with hosted authenticators that are securely managed by the authentication service. By tapping NFC-enabled cards or utilizing a bridge device for data extraction, users can seamlessly engage with the shared mobile device environment, benefitting from robust security measures associated with FIDO authentication. The system encompasses the bridge device, which serves as an intermediary for data transmission, efficiently communicating between RFID / NFC devices and mobile devices using Bluetooth Low Energy (BLE) technology. Biometric authentication operates similarly to RFID / NFC-based methods, where user identity is verified through an authentication service, and passkey support is provided for that specific user. The authentication service hosts user authenticators and passkeys in a secure, transportable format, configurable to be fetched to shared mobile devices or handled remotely. This system allows adaptable FIDO2 / WebAuthn security protocols across multiple devices, enhancing user convenience while ensuring system integrity and security in shared device scenarios.

The invention provides a Bluetooth low-power-consumption audio broadcasting method, and a master device and one or more slave devices of a Bluetooth low-power-consumption audio broadcasting system also perform periodic advertisement communication with reverse control based on a periodic advertisement channel within a target equal time interval, the target slave device sends reverse communication data based on a periodic advertisement channel in a shared reverse control time slot of a target equal time interval under the condition that the master device does not need to distribute an exclusive time slot for the target slave device; the target equal time interval is at least a part of equal time intervals in the plurality of continuous equal time intervals, and the shared reverse control time slot is a time slot which can be occupied by any slave device when transmitting reverse communication data. Compared with the prior art, the embodiment of the invention can realize single-point-to-multipoint audio broadcast reverse control and two-way communication under the condition that the equipment information is uncertain, so that the controllability of the system is improved.

A device provides through a Bluetooth connection with a primary anchor a Long Term Key (LTK) for use in a multi-anchor Bluetooth channel sounding (MABCS) process with the primary anchor and one or more secondary anchors, and the device then engages in the MABCS process. The MABCS process includes (a) sequentially at to each of multiple Bluetooth Low Energy (BLE) channels (i) transmitting a ping message, (ii) receiving sequentially from each of the anchors of the plurality, responsive to the ping message, a respective pong message, and (iii) using phase shift as a basis to determine, respectively for each anchor, a phase shift on the BLE channel, and (b) determining the distance of the device respectively from each anchor based at least on the phase shifts determined for respectively for the anchor on at least a first one of the BLE channels and a second one of the BLE channels.

The present invention provides methods of establishing a wireless communication connection. The method includes establishing a Bluetooth low energy (BLE) connection between an electronic device and a mobile device. The electronic device transmits first connection information related to the electronic device to the mobile device using BLE. The method further includes transmitting a first Wi-Fi direct pairing request from the mobile device to the electronic device according to the first connection information. According to the method, the electronic device obtains second connection information related to the mobile device according to the first Wi-Fi direct pairing request and cancels the first Wi-Fi direct pairing request. The method further includes using the electronic device to transmit a second Wi-Fi direct pairing request to the mobile device according to the second connection information to establish a Wi-Fi direct connection.

The invention relates to a multi-parameter centralized monitoring method, system and equipment for a noninvasive ventilator and a medium. The method comprises the steps that firstly, original parameter data and coding rules of noninvasive respirators of all brands are obtained, format unification processing is conducted on the original parameter data by constructing a standardized data mapping table, and a parameter data set is obtained; transmitting the parameter data set to a local gateway by adopting a low-power-consumption Bluetooth protocol to generate an alarm data set; analyzing the dynamic change trend of the parameters by combining the parameter data set and the alarm data set, and generating a monitoring report data set; and finally, extracting a continuous abnormal trend based on the monitoring report data set, performing priority ranking according to the emergency degree to generate an intervention instruction, and tracking the processing state of the intervention instruction to obtain a final decision data set. According to the method, data intercommunication of noninvasive respirators of different brands is realized, the hysteresis of manual inspection is avoided, the timeliness and accuracy of abnormal response are improved, and the safety of patients is guaranteed.

An adaptive IoT power plug system for intelligent load management and remote control, consisting of: a power plug housing configured to be inserted between a power outlet and an electrical appliance; an embedded sensor array comprising at least one voltage sensor, at least one current sensor, and at least one power sensor and configured to continuously monitor the electrical parameters of the connected device; a microcontroller unit (MCU) operatively coupled to the sensor array and configured to execute a load prioritization technique that dynamically determines power allocation based on real-time consumption data and user-defined priority levels for one or more connected loads; a semiconductor switching module electrically connected to the MCU and configured to selectively interrupt or modulate the power supply to the connected device based on commands from the load prioritization technology; a wireless communication module integrated into the MCU for bidirectional data exchange via at least one wireless protocol selected from Wi-Fi, Zigbee or Bluetooth Low Energy; a user interface that can be accessed remotely via a mobile or web application and enables the configuration of load priorities, real-time monitoring of power consumption, scheduling of device operation, and manual override of switching commands; and a power management subsystem including a power harvesting module configured to provide supplemental power to the system's electronic components, thereby reducing dependence on the main power source; The system autonomously adjusts the power distribution between multiple connected devices to load fluctuations and predefined user priorities in order to optimize energy efficiency and prevent overloading of the circuit.

A method of establishing connection between a first node in a wireless network and a second node in said wireless network, wherein each of said first and second nodes comprise a primary radio receiver and a wake up receiver, each of said nodes comprising a Radio Frequency, RF, switch, arranged to connect one of said primary or secondary radios to a radio antenna, said method comprising the steps of transmitting, by said first node, to a wake-up receiver of a second radio node, a wake-up signal that indicates a frequency channel on which the second radio node is to transmit a response, receiving, by said first node, in response to transmitting said wake-up signal, response from said second radio node on the frequency channel indicated, and establishing, by said first node, a connection between said first and second nodes in order to transfer data between said first and second nodes. The present disclosure also relates to corresponding mesh nodes and a computer program product.

The invention relates to a low-power-consumption maintenance-free BLE (Bluetooth Low Energy) camera method based on edge collaboration, which is characterized in that a wireless camera and host equipment are mutually matched, the wireless camera is provided with an image sensor and a BLE function and is responsible for capturing, encoding and transmitting image data, and the host equipment is used as a receiving end and a control center of a system and is used for transmitting the image data. The system is characterized in that a wireless camera is used for processing image data from the wireless camera, the wireless camera is used for receiving guidance information from host equipment, carrying out adaptive image coding and dynamically adjusting connection parameters before transmission, and hardware implementation of the system mainly comprises three parts, namely Bluetooth low energy (BLE), a system chip (SoC), an image sensor and power management. According to the solution provided by the invention, the energy consumption can be effectively reduced, and continuous and stable monitoring is realized.

Embodiments of the disclosure provide for improved Bluetooth communication security in vehicles. In the context of a method, the method includes obtaining, from a computing device, at least one feature of a communication specification for a vehicle, wherein: the communication specification defines data sharing protocols between a sensor or computing device aboard the vehicle and a vehicle management system to enable wireless communication by a Bluetooth communication mode without disabling means of the sensor, computing device, or vehicle management system for communication by a second mode. The method includes generating a vulnerability of the communication specification based on the at least one feature; determining a mitigation operation based on the vulnerability; and providing a recommendation comprising the mitigation operation to the at least one computing device to enable modification of the communication specification toward reducing the vulnerability.

According to various embodiments, an electronic device includes a communication circuit for supporting a Bluetooth™ communication, and at least one processor functionally connected to the communication circuit. The at least one processor is configured to establish, via the communication circuit, a Bluetooth™ low energy (BLE) communication link with an external electronic device, to generate a first data packet from first audio data using a first coding scheme, and generate a second data packet from first audio data using a second coding scheme, and through the BLE communication link, to transmit the first data packet to the external electronic device in a first time interval of a predetermined time interval, and transmit the second data packet to the external electronic device in a second time interval of the predetermined time interval.

The invention relates to the technical field of artificial intelligence monitoring, in particular to a bid evaluation site multi-modal behavior compliance monitoring method and system, and the method comprises the following steps: deploying an array microphone and a high-definition camera in a bid evaluation room, and synchronously collecting the sound and image data of bid evaluation experts and workers; meanwhile, personnel position information is collected in real time through a Bluetooth low-power-consumption or ultra-wideband tag; the bid evaluation method has the beneficial effects that sensitive languages, private communication, file or storage medium transmission, illegal use of electronic equipment, unauthorized leaving and other behaviors of judges and workers are recognized in real time in the bid evaluation process, and risk early warning or forced intervention is generated in real time, so that hidden dangers of camera obscura operation and serial fraud are eliminated. Meanwhile, the invention also aims to automatically store traceable audio and video evidence and behavior logs and provide reliable support for subsequent auditing and law enforcement evidence collection, so that the openness, justice and compliance levels of bid evaluation activities are comprehensively improved.

In aspects of automatic selection of audio broadcast based on direction, a media playback manager detects an available Bluetooth Low Energy (BLE) audio broadcast from a media device. Based on a location of a tag associated with the media device, the media playback manger determines a position of a wireless device relative to the media device. The media playback manager then receives the BLE audio broadcast at the wireless device based on the position of the wireless device relative to the location of the tag that is associated with the media device.

A 3-axis magnetometer inside a golf ball to detect the impact location on golf club heads that contain ferrous materials is disclosed herein. Key aspects of a golf shot are determined from within the golf ball itself. A magnetometer, preferably running at 85 Hz, inside a golf ball is able to measure spins of 5000 RPM. An integrated circuit comprises a gyroscope, a magnetometer, and a BLUETOOTH low energy (BTLE) radio, and at least one battery. A body is composed of an epoxy material, and the body encompasses the integrated circuit.

Provided are a system and method for coordinating dual wireless communications protocols when implementing a time difference of arrival (TDOA) framework for ranging between nodes. A first of the protocols (e.g., BLE) can be used for transmission of synchronization and TDOA schedules that prescribe synchronization and TDOA frames. The synchronization and TDOA frames can then be executed according to a second of the protocols (e.g., UWB), thus exemplifying an efficiency in energy consumption owing to an absence of transitioning between the first and second protocols transmissions throughout the schedules.

A real-time drug interaction alert system using AI-powered analytics, consisting of: a wearable or implantable biosensor device configured to continuously measure physiological parameters of a subject, including at least heart rate, blood pressure, blood oxygen saturation, skin temperature, and biomarkers related to liver and kidney function; a communication module integrated into the device that can securely transmit physiological data to a cloud-based analysis engine via wireless protocols such as Bluetooth Low Energy (BLE), Wi-Fi, or LTE-M; a cloud-hosted artificial intelligence (AI) inference engine configured to perform multimodal drug-drug interaction risk analysis, the engine comprising at least a convolutional neural network (CNN) for time-series analysis of biosignal patterns, a natural language processing (NLP) module for extracting drug information from structured and unstructured medical sources, and a Bayesian reasoning module for modeling probabilistic risk interactions between drugs and patient-specific variables; a pharmaceutical input interface for capturing medication data by at least one of the following methods: manual entry, optical character recognition (OCR) of the packaging, or near field communication (NFC) scanning of embedded tags; an alert dissemination module configured to trigger multi-channel alerts, including haptic signals via the wearable device, audiovisual notifications via a paired smart device, and the secure transmission of interaction reports to designated healthcare professionals based on severity thresholds.

The invention provides a simultaneous translation method based on a Bluetooth headset, a mobile terminal and the Bluetooth headset, the method comprises the steps that connection is established between the mobile terminal and the Bluetooth headset, and the headset and a charging bin are connected with the mobile terminal through the Bluetooth technology. Meanwhile, the mobile terminal is connected with an application program of the mobile terminal through a Bluetooth low-power-consumption technology; when the earphone or the charging bin needs to send voice information, acquiring voice transmission authority by preempting a Bluetooth technology link focus of the mobile terminal; the device obtaining the voice transmission authority collects voice information of a first language in real time, transmits the voice information to the mobile terminal, and translates the voice information of the first language into voice information of a target language; and after the translation is completed, the other device grabs the link focus of the mobile terminal to obtain a voice playing permission and plays the voice information of the target language, so that the Bluetooth earphone has a simultaneous translation function.

The embodiment of the invention provides a method for establishing wireless communication connection. The method comprises the following steps that: a mobile device establishes a Bluetooth low energy connection with an electronic device, and the electronic device transmits first connection information related to the electronic device to the mobile device through BLE (Bluetooth Low Energy); the mobile device sends a first Wi-Fi direct connection pairing request to the electronic device according to the first connection information; the electronic device obtains second connection information about the mobile device according to the first Wi-Fi direct pairing request, and cancels the first Wi-Fi direct pairing request. And the electronic device sends a second Wi-Fi direct connection pairing request to the mobile device according to the second connection information so as to establish the Wi-Fi direct connection. The invention also relates to an electronic device and a method for establishing wireless communication connection for the electronic device.

A gateway includes a modulation scheme conversion device which includes a backscattering tag and a tag signal generation unit configured to provide a tag signal to the backscattering tag. The modulation scheme conversion device multiplies a radio signal based on a Bluetooth low energy (BLE) protocol, which has been modulated with a first modulation scheme, and the tag signal to produce a multiplied signal and to reshape the multiplied signal using a second modulation scheme to produce a reshaped signal and backscatters the reshaped signal. The multiplied signal, which is reshaped with the second modulation scheme and backscattered, is provided to a receiver of second modulation scheme signals and then provided to the Internet. The signal modulated with the second modulation scheme is a WiFi signal based on an IEEE 802.11b protocol.

A system and method for swimmer safety that may utilize a wearable device configured to be worn by a swimmer and at least one alert device. The wearable device may include a water contact sensor, an accelerometer, a range detector with Bluetooth Low Energy (BLE) transmitter, a battery, and a real-time state management controller. The water contact sensor may determine when surrounding water exceeds a predetermined water contact threshold. The accelerometer may detect falls. The range detector may determine when the swimmer moves out of range. The controller may receive inputs from these components, manage operational states, and generate real-time state data. The wearable device may transmit alerts upon detecting at least one critical event such as, water contact, a fall, the wearable device being out of range, or low battery.

Systems and methods are disclosed for dual, simultaneous, single-session, proximity-based, secure authentication of a Digital Assisted Shopping (DAS) representative and a customer in an unsecured remote location. The method includes installing a mobile banking application on the customer's device and an enterprise application on the DAS representative's device, both with biometric verification. Proximity detection using Bluetooth Low Energy (BLE) initiates a secure session via push notifications. A secure communication channel is established through a secure local handshake, involving encryption key exchange and mutual authentication. The system exchanges data related to customer profiles and financial accounts, continuously monitors geolocation using GPS, Wi-Fi, and cellular data, and performs periodic background biometric re-verifications. AI / ML algorithms analyze customer data to propose financial products and services, which are securely shared with the customer for review and selection. The system facilitates real-time enrollment and transaction processing, terminating the session upon detecting security breaches.

The invention relates to a wearable fitness monitoring system that uses advanced sensor technology to track real-time muscle engagement, posture, and fatigue levels during physical activity. The system comprises a capacitive sensor system, incorporating elastic silver fiber cloth and medical-grade silicone, for precise muscle movement detection; a motion sensor for tracking movement along multiple axes; and an AI-powered processing unit to provide ergonomic feedback, prevent injuries, and optimize performance. It features dynamic self-calibrating sensors that adjust to user-specific movements using machine learning algorithms. The system offers personalized workout plans, adjusting in real-time based on biometric feedback, environmental conditions, and muscle fatigue. Additionally, it integrates Bluetooth Low Energy (BLE) for wireless communication, haptic feedback for posture correction, and AR / VR for immersive workout guidance. The system includes cloud-based data storage with encryption and supports blockchain for secure data management, offering a comprehensive, personalized fitness experience that improves workout efficiency and safety.

The embodiment of the invention provides a wireless communication method, a system passive chip and a storage medium, and relates to the technical field of wireless communication, the method can be applied to a wireless communication system, and the wireless communication system comprises an excitation source, the passive chip and receiving equipment. The specific scheme is as follows: an excitation source generates a single-frequency carrier signal based on an anti-whitening technology, and sends the single-frequency carrier signal to a passive chip; the passive chip is excited by a single-frequency carrier signal, and generates a broadcast data packet based on the single-frequency carrier signal. The passive chip broadcasts the broadcast data packet, and the broadcast data packet conforms to a broadcast data packet standard in a Bluetooth low-power-consumption communication protocol. And the receiving equipment receives the broadcast data packet. According to the invention, a signal transmission system with low power consumption and high efficiency is constructed, dependence of a passive chip on a radio frequency source is avoided, and a wireless communication system is simplified.

The invention provides a Bluetooth low-power-consumption communication optimization method and system for a smart watch, and is applied to the field of communication data processing. The stability of wireless connection between the smart watch and other equipment can be remarkably improved, the problems of interruption and data loss caused by frequent switching of wireless signals are reduced through intelligent signal frequency band switching, data synchronization adjustment and adaptive optimization of application scenes, and in addition, the stability of wireless connection between the smart watch and other equipment is improved. In combination with real-time data flow analysis and signal strength evaluation, the smart watch can more efficiently manage wireless connection and data transmission, and more stable and reliable user experience is provided.

Novel communication techniques for Bluetooth LE devices. In some cases, a central device transmits broadcast messages, which can be received by one or more peripheral devices, which then transmit responses in turn. In an aspect, these techniques can condense multiple advertising / scan request / scan response packets into a single transmission window and / or multiple, contiguous receive windows for the central device and single transmit / single receive windows for each peripheral device.

An electronic device is provided. The electronic device includes a communication circuitry for Bluetooth low energy (BLE), and a processor. The processor is configured to obtain a connected isochronous group (CIG) event including a first connected isochronous stream (CIS) event that includes first sub-events and a second CIS event that includes second sub-events that at least partially overlap at least part of the first sub-events, and transmit, based on receiving an acknowledgement (ACK) signal for first data transmitted to a first external electronic device via a first sub-event among the first sub-events, second data to a second external electronic device via a third sub-event among the second sub-events, wherein the third sub-event overlaps a second sub-event immediately after the first sub-event among the first sub-events.