H04W52/0274

Battery-Powered Wireless Electronic Device Switchable Between High and Low Power Operating Modes
20230012675 · 2023-01-19 ·

A method of and system for conserving power of a battery in a battery-powered electronic device capable of wireless communications are disclosed. The electronic device, which can be a digital video camera or other component of a monitoring system or an HVAC controller, an appliance, or another aspect of a smart home system, is wirelessly communicable with one or more hubs over a wireless local area network. The electronic device has at least a high power radio and a low power radio operating at different frequencies. Communications switch from the high power radio to the low power radio upon the occurrence of a trigger event such as battery charge dropping below a designated threshold. The electronic device may be part of a WLAN coupled to a WAN via the Internet and a cellular network.

SLEEPY DEVICE OPERATION IN ASYNCHRONOUS CHANNEL HOPPING NETWORKS

A radio communications device includes a RTC configured to run even during sleep for receiving from a coordinator node (CN) in an asynchronous channel hopping WPAN an asynchronous hopping sequence (AHS) frame that includes the CN's hopping sequence. A processor implements a stored sleepy device operation in asynchronous channel hopping networks algorithm. The algorithm is for determining a time stamp for the AHS frame and the CN's initial timing position within the hopping sequence, storing the time stamp, going to sleep and upon waking up changing a frequency band of its receive (Rx) channel to an updated fixed channel. A data request command frame is transmitted by the device on the CN's listening channel that is calculated from the CN's hopping sequence, time stamp, CN's initial timing position and current time, and the device receives an ACK frame transmitted by the CN at the updated fixed channel of Rx operation.

Low power mode for payment transactions

This application relates to systems, methods, and apparatus for using a computing device to perform payment transactions while the computing device is operating in a low power wallet mode during a low battery state of the computing device. During a low power wallet mode, various subsystems are prevented from receiving current from a battery of the computing device, while a near field communication (NFC) system of the computing device is provided with an operating current for detecting target systems. A target system and the NFC system can communicate during the low power wallet mode of the computing device, thereby allowing a user of the computing device to conduct payment transactions when the computing device is in a low power wallet mode. Such payment transactions can be useful if the user is ever stranded without enough power to fully operate the computing device and needs to pay for transportation.

Electronic device and related methods for predicting initiation of establishment of a network with one or more other electronic devices
11558767 · 2023-01-17 · ·

An electronic device includes a memory circuitry, an interface circuitry, a sensor circuitry, and a processor circuitry having a predictor circuitry configured to operate according to a prediction model. The processor circuitry is configured to obtain sensor data. The processor circuitry is configured to determine, based on the sensor data, using the predictor circuitry, a predicted time parameter indicative of a prediction of a time slot to initiate an establishment of a network with one or more other electronic devices. The processor circuitry is configured to initiate the establishment of the network with the one or more other electronic devices according to the predicted time parameter.

Apparatus for locating a mobile railway asset

In one aspect of the present disclosure, an apparatus for locating a mobile railway asset is provided that includes a power source, GNSS circuitry configured to utilize electrical power from the power source to receive GNSS data, and a controller operatively coupled to the power source and the GNSS circuitry. The controller has a power saving mode wherein the controller inhibits the GNSS circuitry from receiving GNSS data and a standard accuracy mode wherein the controller permits the GNSS circuitry to receive GNSS data for a first time period. The controller has a higher accuracy mode wherein the controller permits the GNSS circuitry to receive GNSS data for a second time period longer than the first time period, and subsequently across multiple instances, in order to collect more GNSS data that can be qualified, filtered, sorted, and averaged to produce a more accurate result.

WIRELESS COMMUNICATION METHOD USING WAKE-UP RADIO AND WIRELESS COMMUNICATION TERMINAL THEREFOR
20230217371 · 2023-07-06 ·

Disclosed is a wireless communication terminal for performing communication wirelessly. The wireless communication terminal includes: a first wireless transceiver, which transmits/receives a signal through a first waveform; a second wireless receiver, which receives a signal through a second waveform different from the first waveform; and a processor. The processor receives, via the second wireless receiver, a first wake-up radio (WUR) frame from a base wireless communication terminal of a basic service set (BSS) to which the wireless communication terminal belongs, determines whether the wireless communication terminal is an intended recipient of the first WUR according to whether the BSS is one corresponding to a multiple BSS identifier (BSSID) set when an identifier field of the first WUR frame indicates a transmitter ID for identifying the base wireless communication terminal, and wakes up the first wireless transceiver based on the first WUR frame when the wireless communication terminal is the intended recipient of the first WUR frame.

METHOD AND DEVICE FOR OBTAINING CRITICAL UPDATE INFORMATION BETWEEN MLDS IN WIRELESS LAN SYSTEM
20230217271 · 2023-07-06 ·

Proposed are a method and a device for obtaining critical update information between MLDs in a wireless LAN system. Specifically, a reception MLD transmits a probe request frame to a transmission MLD through a first link. The reception MLD receives a probe response frame from the transmission MLD through the first link. The transmission MLD comprises a first transmission STA operating in the first link and a second transmission STA operating in a second link. The probe request frame comprises a change sequence element which requests critical update information of the second transmission STA. The probe response frame comprises the critical update information of the second transmission STA.

Time slotted scan receiver

In one embodiment, an apparatus of a wireless communication device includes control circuitry to cause receiver circuitry of the wireless communication device to switch between an on-mode and an off-mode. The apparatus also includes synchronizing circuitry to: perform a correlation on signals of a packet received by the receiver circuitry when in the on-mode to detect a pattern in the received signals, and cause the control circuitry to hold the receiver circuitry in the on-mode based on detection of the pattern in the received signals. The apparatus further includes demodulation circuitry to process additional signals of the packet received by the receiver circuitry when held in the on-mode.

Wake-up signal error handling

Methods, systems, and devices for wireless communications are described. Techniques are described to enable wake-up signal (WUS) error handling at a user equipment (UE). The UE may detect an error pattern when attempting to receive a WUS from a base station based on a configuration for receiving the WUS. For example, the base station may transmit the configuration for receiving the WUS to a set of UEs including the UE. Based on detecting the error pattern, the UE may perform a mitigation operation based on determining the error pattern, such as waking up multiple cells to receive a transmission indicated by the WUS, transmitting a radio link failure indication to the base station, etc. Additionally or alternatively, the base station may transmit multiple WUSs to the UEs, such as a first WUS according to the configuration and a second WUS according to a reconfiguration.

Wake-up signal management

The invention relates to a method for a wireless communication apparatus, and such an apparatus, configured to use a wake-up signal (WUS), transmitted for waking up a main receiver of a wireless communication device responsive to detection of the WUS by a wake-up receiver (WUR) of the wireless communication device. The method comprises controlling a bandwidth associated with the WUS based on a reception condition metric for the WUR. Embodiments may comprise determining the reception condition metric for the WUR by correlating a received signal comprising the WUS with a WUS reference signal to provide an extreme correlation value, and determining the reception condition metric for the WUR based on the extreme correlation value. In some embodiments, controlling the bandwidth associated with the WUS based on the reception condition metric may comprise controlling a WUS bandwidth based on the reception condition metric. The wireless communication apparatus may be the wireless communication device or the access point.