Abstract: Systems, methods and apparatus for spectrum data management for a radio frequency (RF) environment are disclosed. An apparatus comprises at least one receiver, an automatic signal detection (ASD) module, and a learning and conflict detection engine. The apparatus is at the edge of a communication network. The at least one receiver processes RF energy received from the RF environment, thereby generating processed data. The ASD module is configured to extract meta data and detect anomaly based on the processed data. The learning and conflict detection engine is configured for conflict recognition and anomaly identification based on the processed data. The apparatus is operable to generate at least one report for the RF environment.

Abstract: A mobile communication device includes a processor positioned on a first printed circuit board, a radio frequency integrated circuit (RFIC), and an antenna module. The antenna module includes a second printed circuit board, a first antenna and a second antenna positioned on the second printed circuit board, and a plurality of front-end chips positioned on the second printed circuit board. The plurality of front-end chips include a first front-end chip electrically connecting the RFIC and the first antenna, and a second front-end chip electrically connecting the RFIC and the second antenna.

Abstract: An electronic device includes a cover glass, a display exposed through the cover glass, a housing for mounting the display, a first printed circuit board (PCB) and a second PCB that are disposed inside the housing, a back cover coupled to the housing, a first antenna element electrically connected to a ground area through the first PCB, and a communication circuit feeding the first antenna element and transmitting or receiving a signal through the first antenna element. A spaced distance between the first PCB and the display is longer than a spaced distance between the second PCB and the display.

Abstract: In accordance with a first aspect of the present disclosure, a radio frequency identification (RFID) transponder is provided, comprising a modulator, a current sensor and a clock recovery circuit, wherein: the modulator is configured to modulate an unmodulated carrier signal received from an external RFID reader; the current sensor is configured to sense a current that flows through one or more transistors comprised in the modulator; and the clock recovery circuit is configured to recover a clock signal using the current sensed by the current sensor. In accordance with a second aspect of the present disclosure, a corresponding method of operating a radio frequency identification (RFID) transponder is conceived.

Abstract: A method includes determining signaling sequence data of a user according to signaling plane data of the user, the signaling plane data of the user includes N pieces of signaling data and a timestamp of each of the N pieces of signaling data, and each of the N pieces of signaling data includes a signaling type, determining a first probability value of occurrence of a first network event according to the signaling sequence data of the user and a first supervised prediction model, determining a second probability value of occurrence of the first network event according to expert feature data of the user and a second supervised prediction model, the expert feature data of the user represents a value of at least one preset feature of the user, and determining a predicted occurrence probability of the first network event according to the first probability value and the second probability value.

Abstract: A representative electronic device comprises an audio/visual device, a wireless device, a processing device, and memory. The audio/visual device transmits either audio or visual signals, or both. The wireless device transmits and receives wireless signals having communications protocol to allow connectivity and collaboration between the electronic device and a targeted device. The memory includes an authentication/connection software which has instructions that are executed by the processing device.

Abstract: A wearable device with integrated RFID or NFC chipset, includes: a microchip for management and encryption of radio-frequency communications in RFID or NFC standards; at least one antenna, including metal coils to transmit/receive signals in RFID or NFC standards and/or metal coils to generate the electric current required for operation; a memory chip for storing data and encryption keys, manageable by the microchip; a wearable object, integrating the components of the device; a reversible closing buckle for the wearable object, associated with the opposite ends of the coils of the antenna. The buckle can determine in the coils a point of discontinuity, capable of reversibly inhibiting the respective transmission/reception functions of signals in RFID or NFC standards and of generating electric current via electromagnetic induction, thereby preventing unauthorized transmission by the microchip of the data and of the encryption keys of the same, contained in the memory chip.

Abstract: Systems, methods, and apparatus for automatic signal detection in a radio-frequency (RF) environment are disclosed. At least one node device is in a fixed nodal network. The at least one node device is operable to measure and learn the RF environment in a predetermined period based on statistical learning techniques, thereby creating learning data. The at least one node device is operable to create a spectrum map based on the learning data. The at least one node device is operable to calculate a power distribution by frequency of the RF environment in real time or near real time, including a first derivative and a second derivative of fast Fourier transform (FFT) data of the RF environment. The at least one node device is operable to identify at least one signal based on the first derivative and the second derivative of FFT data.

Abstract: Apparatus and methods for identifying a wireless signal-emitting device are disclosed. The apparatus is configured to sense and measure wireless communication signals from signal-emitting devices in a spectrum. The apparatus is operable to automatically detect a signal of interest from the wireless signal-emitting device and create a signal profile of the signal of interest; compare the signal profile with stored device signal profiles for identification of the wireless signal-emitting device; and calculate signal degradation data for the signal of interest based on information associated with the signal of interest in a static database including noise figure parameters of a wireless signal-emitting device outputting the signal of interest. The signal profile of the signal of interest, profile comparison result, and signal degradation data are stored in the apparatus.

Abstract: A communication method and a terminal device are provided, and whether two terminal devices are in a same network may be recognized. The method includes: receiving, by a first terminal, indication information sent by a second terminal, wherein the indication information is used for indicating information of a network on which the second terminal currently resides; and determining, by the first terminal, whether the first terminal and the second terminal reside on a same network according to the indication information.

Abstract: The invention relates to devices and methods for signalling control information associated with transmission of data over a wireless channel. A second communication device receives (S2) data from a first communication device, wherein the data comprises an indication of recommended precoders and a recommendation of a first transmission rank to possibly use during transmission. The second communication device determines (S4) a second transmission rank to use for transmitting data, and transmits (S6) a confirmation message to the first communication device. The confirmation message comprises a confirmation that transmission of data from the second communication device is using at least parts of each recommended precoder associated with a frequency resource that falls within the transmission of data and an indicator of the second transmission rank to use.

Abstract: Systems and methods of providing a mobile device cover are described. In some embodiments, the mobile device cover may include, for example, an acoustic sensor, a processor, and lighting devices. The processor can be operatively coupled to the acoustic sensor and the lighting devices. The acoustic sensor can be configured to receive sound generated by the mobile phone and to convert the sound into an acoustic signal. The processor can be configured to receive the acoustic signal and to determine whether the acoustic signal is similar to one of a plurality of acoustic signals previously stored on the mobile phone cover. Each of the previously stored acoustic signals can be indicative of, for example, a particular caller, a particular message sender, or a particular alert. Based on the acoustic signal determination, the processor is configured to cause lighting of the one or more lighting devices corresponding to the indicated caller, indicated message sender, or indicated alert.

Abstract: A primary wireless communication device includes: an output assembly; a short-range communications assembly; a pairing controller configured to: send a discovery request for detection by a secondary wireless communication device; responsive to sending the discovery request, receive a discovery response from the secondary wireless communication device, the discovery response containing an identifier of the secondary wireless communication device and charge data for the secondary wireless communication device; control the output assembly to present the identifier of the secondary wireless communication device and a charge indicator for the secondary wireless communication device; obtain an instruction to establish a paired communication link with the secondary wireless communication device; and responsive to obtaining the instruction, initiate a pairing stage to establish the paired communication link.

Abstract: Systems, devices, and methods for generating and sending messages are described. messages are autonomously generated by at least one processor by identifying environmental context of a device, system, or user, such that minimal input is required from the user. Environmental context can include at least time, date, calendar entries, user activity, location, physical environment, message history, and relationship between users. Messages can also be generated by generating a first portion of a message, and having the user select a second portion to complete the message. Recipients for a message can be autonomously determined based on environmental context and content of a message to be sent.

Abstract: Systems, methods and apparatus are disclosed for automatic signal detection in an RF environment. An apparatus comprises at least one receiver and at least one processor coupled with at least one memory. The apparatus is at the edge of a communication network. The apparatus sweeps and learns the RF environment in a predetermined period based on statistical learning techniques, thereby creating learning data. The apparatus forms a knowledge map based on the learning data, scrubs a real-time spectral sweep against the knowledge map, and creates impressions on the RF environment based on a machine learning algorithm. The apparatus is operable to detect at least one signal in the RF environment.

Abstract: Systems, methods, and apparatus are provided for automated identification of baseline data and changes in state in a wireless communications spectrum, by identifying sources of signal emission in the spectrum by automatically detecting signals, analyzing signals, comparing signal data to historical and reference data, creating corresponding signal profiles, and determining information about the baseline data and changes in state based upon the measured and analyzed data in near real time, which is stored on each apparatus or device and/or on a remote server computer that aggregates data from each apparatus or device.

Abstract: Devices and methods enable optimizing a signal of interest based on identifying and analyzing the signal of interest based on radio frequency energy measurements. Signal data is compared with stored data to identify the signal of interest. Signal degradation data is calculated based on noise figure parameters, hardware parameters and environment parameters. The signal of interest is optimized based on the signal degradation data. Terrain data may also be used for optimizing the signal of interest.

Abstract: Systems, methods, and devices enable spectrum management by identifying, classifying, and cataloging signals of interest based on radio frequency measurements. In an embodiment, signals and the parameters of the signals may be identified and indications of available frequencies may be presented to a user. In another embodiment, the protocols of signals may also be identified. In a further embodiment, the modulation of signals, data types carried by the signals, and estimated signal origins may be identified.

Abstract: Embodiments of the application provide a method for determining a resource location in a terminal device, a terminal device, and a non-transitory computer readable storage medium. A terminal device determines a second downlink slot corresponding to the CSI reporting moment based on a first uplink slot where channel state information (CSI) reporting moment is located; the terminal device obtains a slot offset, where the slot offset is a slot offset of a location of a CSI reference resource on a time domain relative to the second uplink slot; the terminal device determines the location of the CSI reference resource on the time domain based on the second uplink slot and the slot offset.

Abstract: An electronic device and a method of measuring an amount of user physical activity by an electronic device are provided. The method includes establishing short range communication among a plurality of electronic devices, determining one of the plurality of electronic devices as a primary device, communicating state information of remaining electronic devices to the primary device, activating a sensor on a device having a highest priority among the plurality of electronic devices according to the state information, recording physical activity information according to physical activity sensed by the sensor, communicating the physical activity information to the primary device, calculating an amount of physical activity according to the communicated physical activity information, and synchronizing the amount of physical activity among the plurality of electronic devices.