Abstract: According to certain embodiments, a wireless device is configured to operate in a regular-power mode and a low-power mode, and a method of detecting wireless device movement includes: performing a link characterization measurement in the low-power mode using a low-power radio; determining, based on the low-power radio link characterization measurement, that the wireless device is not stationary; and performing radio resource measurements in the regular-power mode. In particular embodiments, performing the link characterization measurement using the low-power radio includes measuring a stationary reference signal (e.g., secondary synchronization signal (SSS)). Measuring the stationary reference signal uses a time-domain correlation receiver on the stationary reference signal.

Abstract: An acoustic garbage classification method using a one-dimensional convolutional neural network (1D-CNN) is provided. The method includes: acquiring sound signals generated by falling garbage; preprocessing the sound signals; acquiring and preprocessing the sound signals of different types of garbage, building a sound database for garbage classification, and establishing and training a 1D-CNN model; acquiring a sound signal of garbage to be classified, and inputting the sound signal into the trained 1D-CNN for garbage classification to obtain a classification result. The present disclosure is helpful to assist people in accurate garbage classification, improves the accuracy of garbage classification and recycling, and has high practical and popularization value.

Abstract: A wireless device, such as a user equipment, UE, determines (410) a first sleep opportunity for the wireless device and evaluates (420) one or more energy-related parameters for each of a plurality of possible sleep modes for the wireless device. The plurality of possible sleep modes correspond to varying degrees of reduced energy consumption by the wireless device, relative to a non-sleep mode. The wireless device selects (430) a first one of the plurality of possible sleep modes for the wireless device, based on this evaluating, and activates (440) the selected sleep mode during the first sleep opportunity.

Abstract: A method of retrieving a query, an electronic device, and a medium are provided, which relate to fields of intelligent searching, intelligent recommendation, natural language processing, etc. The method of retrieving a query includes: processing a query to be retrieved, so as to obtain a first processing result for the query to be retrieved, the first processing result containing a first text information and a first semantic information; comparing the first processing result with a second processing result of each of at least one candidate query, so as to obtain a comparison result, the second processing result containing a second text information and a second semantic information; determining a target query from the at least one candidate query based on the comparison result; and determining at least one of the target query or an answer corresponding to the target query as a retrieving result.

Abstract: A multiple subcarriers modulator (200) for a backscatter device comprised in a backscatter communication system is disclosed. The multiple subcarriers modulator comprises an antenna switch (210) and an impedance matrix (220) comprising a number of impedances. The multiple subcarriers modulator further comprises a first modulator (230) configured to generate a first modulated signal by modulating a first data stream with a first subcarrier having a first frequency and a second modulator (240) configured to generate a second modulated signal by modulating a second data stream with a second subcarrier having a second frequency. The multiple subcarriers modulator further comprises a summing circuit (250) configured to generate a control signal by combining the first and second modulated signals and a switch controller (270) configured to control the antenna switch such that one of the impedance in the impedance matrix is connected to an antenna based on the control signal.

Abstract: The present disclosure provides a method performed by a network node in a radio access network (RAN) for selective paging of a plurality of user equipments (UEs) operating in a cell served by the network node. The method comprises assigning the plurality of UEs to a plurality of paging subgroups based on one or more operating parameters of the respective UEs, wherein the paging subgroups are associated with a first sequence of paging occasions (POs) to which all of the UEs are assigned. The method comprises transmitting a paging indicator during a particular PO of the first sequence. The paging indicator indicates which of the paging subgroups associated with the particular PO should receive a paging message from the network node. The method further comprises transmitting the paging message within the cell.

Abstract: A wireless device comprises at least one antenna and a main receiver, having first automatic gain control circuitry for controlling a gain applied to signals received by means of the antenna. The wireless device further comprises an auxiliary receiver, configured to monitor a power of a periodic reference signal received by means of the antenna, and further configured to send power information to the main receiver. The main receiver is configured, on waking up, to use the power information received from the auxiliary receiver to assist in operation of the first automatic gain control circuitry.

Abstract: A semiconductor device includes a plurality of voltage regulators arranged in a field programmable array and a power array controller coupled to the plurality of voltage regulators. The power array controller is configured to control the plurality of voltage regulators to output power to a plurality of power rails. Each power rail provides a respective rail current at a respective rail voltage. The power array controller is configured to for each of the plurality of power rails, determine the respective rail current associated with the respective power rail, select a subset of voltage regulators according to at least the respective rail current, and enable the subset of voltage regulators to generate the respective rail voltage and provide the respective rail current collectively.

Abstract: A semiconductor device has a power rail that provides a rail voltage. The power rail is electrically coupled to a plurality of voltage regulators, and each voltage regulator includes an output interface electrically coupled to the power rail, and a first drive path and a second drive path both coupled to the output interface, and an intra-regulator balancing circuit. The first and second drive paths are coupled in parallel with each other, and operate during a first phase and a second phase, at an operating frequency, to provide a first path current and a second path current to the power rail, respectively. The intra-regulator balancing circuit senses the first and second path currents and controls a first duty cycle of the first phase and/or a second duty cycle of the second phase based on a difference of the first and second path currents.

Abstract: A method, network node and wireless device for adaptation of search space (SS) density by bandwidth part (BWP) switching are disclosed. According to one aspect, a wireless device (WD) is configured to switch between a sparse search space (SS) configuration and a dense SS configuration, and monitor a physical downlink control channel (PDCCH) according to one of the sparse SS in a first BWP, and the dense SS in a second BWP.

Abstract: A method and wireless device (WD) for autonomous WD wake up are disclosed. According to one embodiment, a wireless device configured to communicate with a network node is provided. The wireless device includes processing circuitry configured to determine that a transmitted wake up signal has been missed before a discontinuous reception (DRX) ON-duration, and perform at least one action during the DRX ON-duration based at least in part on the determination that the wake signal has been missed.

Abstract: A user equipment (UE) is configured to calibrate a receiver during operation in a wireless network. The UE comprises a radio transceiver configured to communicate with the wireless network; and processing circuitry operatively associated with the radio transceiver.

Abstract: In one embodiment, an apparatus comprises processing circuitry to: receive, via a network interface, a video stream comprising a plurality of video frames; identify a plurality of dependencies among the plurality of video frames; identify, based on the plurality of dependencies, a first subset of video frames to be transmitted using a first transmission method and a second subset of video frames to be transmitted using a second transmission method, wherein the first subset of video frames and the second subset of video frames are identified from the plurality of video frames, and wherein the first transmission method provides a higher quality of service than the second transmission method; transmit, via the network interface, the first subset of video frames to a corresponding destination using the first transmission method; and transmit, via the network interface, the second subset of video frames to the corresponding destination using the second transmission method.

Abstract: Systems and methods are disclosed herein that relate to partially reconfiguring a Field Programmable Gate Array (FPGA) of a wireless communication device to provide time-slicing of modem and application functionality. In this manner, a low-cost, small size, and low power consumption implementation of the FPGA and thus the wireless communication device is provided.

Abstract: A method in a User Equipment (UE), the method comprising determining one or more parameters of an expected signal; calculating a performance metric for each of a plurality of receiver modes of the UE, based on the determined one or more parameters; selecting a first receiver mode among the plurality of receiver modes based on the calculated performance metrics.

Abstract: The present disclosure provides a series of dihydroisoquinoline compounds or a pharmaceutically acceptable salt, ester, isomer, solvate, hydrate, prodrug, or isotopically labeled compounds thereof, having the structure of general formula I: (I). The compounds have an extremely strong activity for inhibiting Hepatitis B surface antigen and has an extremely strong activity for inhibiting Hepatitis B virus DNA. In addition, the compounds feature high bioavailability and can exhibit efficacy with a low dosage, which reduces the potential toxicity of the compounds.

Abstract: A method, system and apparatus are disclosed. According to one or more embodiments, a method implemented at a wireless device is provided. The wireless device is configured with a connected discontinuous reception, C-DRX, mode defining an active mode and a non-active mode. The method includes receiving an indication of a go-to-sleep, GTS, signal when in non-active mode, the GTS signal indicating to the wireless device to stay in non-active mode during an upcoming active mode time defined by the wireless device's C-DRX configuration.

Abstract: A multiple subcarriers modulator (200) for a backscatter device comprised in a backscatter communication system is disclosed. The multiple subcarriers modulator comprises an antenna switch (210) and an impedance matrix (220) comprising a number of impedances. The multiple subcarriers modulator further comprises a first modulator (230) configured to generate a first modulated signal by modulating a first data stream with a first subcarrier having a first frequency and a second modulator (240) configured to generate a second modulated signal by modulating a second data stream with a second subcarrier having a second frequency. The multiple subcarriers modulator further comprises a summing circuit (250) configured to generate a control signal by combining the first and second modulated signals and a switch controller (270) configured to control the antenna switch such that one of the impedance in the impedance matrix is connected to an antenna based on the control signal.

Abstract: There is provided a method of a wireless communication device, the communication device being arranged to operate in a wireless communication system employing a plurality of bandwidth alternatives for downlink control information. The method includes determining feasible control information reception modes, acquiring an estimate of energy consumption for respective feasible control information reception modes, selecting control information reception mode based on the estimated energy consumption, and operating the wireless communication device with the selected control information reception mode. A wireless communication device and a computer program for implementing the method in the wireless communication device are also provided.

Abstract: Systems and methods are disclosed herein that relate to partially reconfiguring a Field Programmable Gate Array (FPGA) of a wireless communication device to provide time-slicing of modem and application functionality. In this manner, a low-cost, small size, and low power consumption implementation of the FPGA and thus the wireless communication device is provided.