Abstract: The present disclosure provides computer implemented methods and systems for analysing datasets, such as large data sets output from nucleic acid sequencing technologies. In particular, the present disclosure provides for data analysis comprising computing the BWT of a collection of strings in an incremental, character by character, manner. The present disclosure also provides compression boosting strategies resulting in a BWT of a reordered collection of data that is more compressible by second stage compression methods compared to non-reordered computational analysis.

Abstract: The transmission of broadcast data, such as financial data and news feeds, is accelerated over a communication channel using data compression and decompression to provide secure transmission and transparent multiplication of communication bandwidth, as well as reduce the latency. Broadcast data may include packets having fields. Encoders associated with particular fields may be selected to compress those particular fields.

Abstract: In one embodiment, a method includes receiving data and in an iterative process until decoded data is output or a predetermined number of full iterations have occurred: C1 decoding all first subsets of the data, determining whether to stop decoding the data after the C1 decoding, incrementing a half iteration counter to indicate completion of a half iteration, C2 decoding all second subsets of the data two or more times in each half iteration using two or more C2-decoding methods in response to a determination that a second subset is not decoded successfully using a first C2-decoding method, determining whether to stop decoding the data after the C2 decoding, incrementing the half iteration counter to indicate completion of another half iteration, and outputting the set of decoded data in response to a determination that all subsets of the data are decoded successfully.

Abstract: An electronic device is provided. The electronic device includes a communication module and a processor electrically connected to the communication module, wherein the communication module includes an antenna configured to transmit and receive a communication signal, a sensor configured to measure an impedance of the antenna, and a first matching circuit and a second matching circuit electrically connected to the antenna, and the processor is configured to receive information on the impedance of the antenna from the sensor, check control information on at least one of the first matching circuit and second matching circuit corresponding to the impedance of the antenna at least partially based on the received information on the impedance of the antenna, and transmit control information generated at least partially based on the checked control information to at least one of the first matching circuit and the second matching circuit corresponding to the control information.

Abstract: A system for air-to-air communications which provides for multi-band simultaneous high and low frequency communications utilizing a variable geometry type antenna. The system operates simultaneously in a broadcast mode on low frequencies and in a directed mode on high frequencies.

Abstract: A communication device comprises a processor; and a diplexer comprising a low pass filter passing signals with frequency below a first frequency threshold, the low pass filter having a first input and a first output, and a second filter being one of a high pass filter and a band pass filter passing signals with frequency above a second frequency threshold, the second filter having a second input and a second output; and a switch controllable by the processor for connecting the second input to a termination in a first state and connecting the second input to the first input in a second state responsive to a control signal from the processor, wherein the first output is coupled to the second output and the first input is configured to receive an input signal having a frequency range covering at least the first frequency threshold.

Abstract: Circuitry includes a primary antenna node, a secondary antenna node, a first set of input/output nodes, a second set of input/output nodes, a first diplexer, a second diplexer, and switching circuitry. The switching circuitry is arranged such that any one of the first set of input/output nodes and the second set of input/output nodes can be connected to the primary antenna node or the secondary antenna node, either through the first diplexer, the second diplexer, or directly by bypassing the first diplexer and the second diplexer while providing minimal insertion loss. In particular, the number of closed series switches in the signal paths provided between the one of the first set of input/output nodes and the second set of input/output nodes is minimized while still providing a large amount of flexibility in the switching paths that can be created by the switching circuitry.

Abstract: Radio frequency (RF) filtering circuitry includes a number of filtering elements and switching circuitry configured to rearrange the filtering elements between a common node, a first input/output node, a second input/output node, and a third input/output node such that the RF filtering circuitry is capable of supporting carrier aggregation between RF signals within a first RF frequency band and RF signals within a second RF frequency band, as well as between RF signals within a first portion of the second RF frequency band and a second portion of the second RF frequency band.

Abstract: A modulated signal generating device for modulating includes a first amplifier that generates a first amplified signal based on a first control signal; a second amplifier that has a smaller amplification factor as compared to the first amplifier and that generates a second amplified signal based on a second control signal; a combiner that combines the first amplified signal and the second amplified signal and generates a modulated signal; a first control unit that generates the first control signal based on a first component signal included in a input signal; a first filter that eliminates the harmonic component included in a first difference signal, which represents the difference between the input signal and the first component signal, and generates a first filtered signal; and a second control unit that generates the second control signal based on a second component signal included in the first filtered signal.

Abstract: An apparatus and method for cancelling and/or attenuating one or more signal impairments included within a transmitted RF signal is disclosed. In at least one exemplary embodiment, a baseband signal is generated based, at least in part, on a predicted impairment signal subtracted from a desired baseband signal. An impairment detection signal may be generated by multiplying the predicted impairment signal by the baseband signal. The predicted impairment signal may be adjusted based, at least in part, on the impairment detection signal.

Abstract: An analog predistorter (APD) core module including a radio frequency delay module, an envelope module, and a contact matrix module. The radio frequency delay module is configured to receive a feed-forward radio frequency signal, generate multiple radio frequency delay signals with different delays according to the feed-forward radio frequency signal, and output each radio frequency delay signal to the contact matrix module. The envelope module is configured to receive the feed-forward radio frequency signal, perform envelope detection on the feed-forward radio frequency signal to obtain multiple envelope signals with different delays, and output each envelope signal to the contact matrix module. The contact matrix module is configured to receive each radio frequency delay signal, each envelope signal, and a predistortion coefficient from an exterior source, and generate a predistortion signal according to the predistortion coefficient, each radio frequency delay signal, and each envelope signal.

Abstract: A method and system for antenna alignment is provided at a receiving antenna. Geolocation information of the receiving antenna is entered. An auto-programming sequence is initiated to tune to channels received from a transmitting antenna. A plurality of transmitted signals is received from the transmitting antenna. Each of the plurality of transmitted signals is transmitted on a respective channel and includes geolocation information of the transmitting antenna, conditional access data, and a payload. A signal processor of the receiving antenna calculates a signal path between the receiving antenna and the transmitting antenna for receiving each of the plurality of transmitted signals based on the geolocation information of the receiving antenna and the geolocation information of the transmitting antenna. A storage device of the receiving antenna records, as part of a selection list, a channel number and the calculated signal path to the transmitting antenna for each of the plurality of transmitted signals.

Abstract: A millimetre wave transceiver includes a multiplexer having a pair of transmit ports, receive ports and antenna ports, an antenna, an orthomode transducer, a pair of modulators each providing a transmit signal at the same frequency and receiving a carrier signal from a local oscillator and a data signal and modulating the carrier signal with the data signal to produce the transmit signal and providing its transmit signal to a corresponding transmit port of the multiplexer, a pair of demodulators each receiving a receive signal at the same frequency from a corresponding receive port and a reference signal from a local oscillator, and demodulating the receive signal at a frequency related to the reference signal to obtain a data signal, wherein at least one of the modulators are connected to a common local oscillator, and the demodulators are connected to a common local oscillator.

Abstract: Various activity tracker and communication devices are presented. Such devices may include a processing unit and a battery unit. Such devices may also include a flexible band unit, that includes a first band and a second band that removably couple with each other and a component housing that defines a top window and a bottom window. In some embodiments, the battery unit may be inserted within a cavity defined by the component housing such that a top window permits the processing unit to be viewed when the processing unit is installed in the component housing, but the top window is sized to not permit the processing unit and the battery unit to be removed through the top window.

Abstract: The present disclosure relates to a watch type mobile terminal which includes a main body, an infrared communication unit configured to generate an infrared signal, a communication unit configured to perform communication in a wireless manner, a sensing unit configured to sense an attachment of the main body to a first device, the first device configured to receive the infrared signal, and a controller configured to control the infrared communication unit to generate an infrared signal for the first device on the basis of a control signal associated with the first device, received from a second device through the communication unit, when the attachment of the main body to the first device is sensed, and configured to transmit the generated infrared signal to the first device through the infrared communication unit.

Abstract: An apparatus and a system for housing a device are described. The housing may include top and bottom members that may be removably coupled together so as to form the housing. The bottom member includes a bottom peripheral portion having a sound transmission portion configured to allow sound to traverse through the bottom member. The sound transmission portion is positioned on a back surface of the bottom peripheral portion proximate a speaker portion of the mobile computing device when the mobile computing device is encased by the protective encasement. The speaker transmission port includes a plurality of apertures translating from the interior surface of the bottom member to the external surface of the bottom member and an acoustic vent membrane overlaying the plurality of apertures, the acoustic vent membrane configured to allow sound but not water to pass through the acoustic vent membrane.

Abstract: One example includes an amplifier system. The amplifier system includes an input stage configured to receive an input pulse signal and to generate a reference voltage pulse based on the input pulse signal. The amplifier system also includes an amplifier stage that receives at least one power voltage and is configured to amplify the reference voltage pulse and to provide pulse-shaping of the amplified reference voltage pulse based on a change of amplitude of the at least one power voltage resulting from an amplitude of the reference voltage pulse.

Abstract: A monolithic integrated circuit (IC), and method of manufacturing same, that includes all RF front end or transceiver elements for a portable communication device, including a power amplifier (PA), a matching, coupling and filtering network, and an antenna switch to couple the conditioned PA signal to an antenna. An output signal sensor senses at least a voltage amplitude of the signal switched by the antenna switch, and signals a PA control circuit to limit PA output power in response to excessive values of sensed output. Stacks of multiple FETs in series to operate as a switching device may be used for implementation of the RF front end, and the method and apparatus of such stacks are claimed as subcombinations. An iClass PA architecture is described that dissipatively terminates unwanted harmonics of the PA output signal.

Abstract: Embodiments of the present invention provide a data transmission method and a data transmission device. The data transmission device includes: a detection unit, configured to detect a first signal in a first cell; a determining unit, configured to determine a reference time point according to a first sequence of the detected first signal, where the reference time point is located in a first subframe of the first cell; where the determining unit is further configured to determine a position of a data channel according to the determined reference time point; and a receiving unit, configured to receive, according to the position of the data channel, control data and/or service data carried on the data channel. According to the embodiments of the present invention, resource utilization can be improved.

Abstract: A method that calibrates a device for echo cancellation and a device with calibration for echo cancellation are provided. Devices may be calibrated such that the echo residual error is less than a threshold determined by the calibration accuracy. Non-ideal factors such as mismatch may be eliminated during calibration.

Abstract: Embodiments of the present invention provide a nonlinear precoding bit loading method, a transmit end, a receive end, and a system. The method includes: determining, power control factors of multiple preset quantities of bits; obtaining, a first correspondence between the multiple preset quantities of bits and signal to noise ratios without power control; determining, a second correspondence between the multiple preset quantities of bits and signal to noise ratios with power control according to the power control factors and the first correspondence; and after actually measuring a signal to noise ratio with power control on a subcarrier, determining, according to the second correspondence, a preset quantity of bits corresponding to the actually measured signal to noise ratio with power control, using the determined preset quantity of bits as an actual bit loading quantity of the subcarrier, and notifying a transmit end of the actual bit loading quantity.

Abstract: A sensor system with energy harvesting has an energy-harvesting mode of operation and a load-enabling mode of operation, enabled at separate times. The system includes an antenna, an impedance-matching network, an RF switch, inductive and diode components (for forming a resonant RF-to-DC voltage multiplication circuit in conjunction with other elements of the system), a DC switch, an energy-storage device, and a primary load circuit.

Abstract: A method for providing operation data to a fluid processing medical apparatus and a medical accessory have been provided.

Abstract: A system for near field communications is provided. The system can include a near field generator configured to generate a near field detectable signal comprising information. The system can include a near field detector configured to receive the near field detectable signal and output the information. The system can include an Electro-Magnetic (EM) shield surrounding the near field generator to block EM radio frequency (RF) signals in the vicinity of the near field generator from interfering with operations of the near field generator. The EM shield does not prevent communication of the near field detectable signal between the near field generator and the near field detector. The EM shield can be configured to reduce magnetic field loss from eddy currents in the EM shield as the near field detectable signal passes through the EM shield.

Abstract: An apparatus can have a power supply circuit configured to receive, from an antenna, a first signal at a frequency exceeding a GHz, and including a rectifier circuit that is impedance matched to the antenna at the first frequency and that is configured to generate a supply voltage by rectifying the first signal at the first frequency. A signal generation circuit can be configured to use the supply voltage to generate a second signal at as higher frequency and to operate in two different power modes in response to a data signal. A transmitter circuit can be configured to use the supply voltage to create pulse at the higher frequency of the signal and in response to the data signal, and that includes an amplifier circuit configured to receive the data signal and provide an amplification of the data signal to the antenna.

Abstract: A power receiving device and a power feeding system which are capable of performing communication and power feeding at the same time are provided. Further, a power receiving device and a power feeding system which are capable of stably performing communication during power feeding are provided. One embodiment of the present invention relates to a power receiving device which includes an antenna for communication and power feeding that receives AC power, a rectifier circuit that rectifies the received AC power including the modulation signal into DC power, a smoothing circuit that smoothes the resulting DC power, a power storage device that stores the smoothed DC power, a communication control unit that analyzes the modulation signal included in the AC power, and a transformer that is positioned between the antenna and the rectifier circuit and changes a reference potential of the AC power, and a power feeding device.

Abstract: A lighting unit is described comprising: a microcontroller; and a near field communication (NFC)-enabled embedded device comprising NFC shared memory configured to be written to by both an external NFC reader/writer using near field communication and the microcontroller and configured to enable an operation of the lighting unit to be both monitored and controlled using NFC.

Abstract: An MFP establishes a first communication link L1 by receiving an activation command and sending an OK command. The MFP receives first target data from a portable device by using the first communication link. The MFP generates second target data by processing the first target data. After receiving the first target data, the MFP disconnects the first communication link. The MFP establishes a second communication link by receiving the activation command and sending the OK command. The MFP sends the second target data to the portable device by using the second communication link.

Abstract: A radio communication system, a radio base station apparatus and a retransmission control method are disclosed. The retransmission control method is a retransmission control method in a radio communication system which has a first radio base station apparatus and a second radio base station apparatus that carry out coordinated multiple-point transmission with respect to a user terminal, and in which coordinated multiple-point transmission is applicable. With this retransmission control method, the first radio base station apparatus and the second radio base station apparatus execute retransmission control for downlink signals received in the user terminal, on a shared basis between the radio base station apparatuses. One radio base station apparatus of the first radio base station apparatus and the second radio base station apparatus sends a report to the user terminal to the effect that shared retransmission control is executed.

Abstract: Apparatus and methods for vehicle-to-everything (V2X) communications, and in particular for vehicle-to-vehicle (V2V) communications. The apparatus comprises two remote antennas positioned in a vehicle and communicatively coupled by digital connectivity and a coordinator communicatively coupled to the two remote antennas and operative to synchronize operation of the two remote antennas.

Abstract: A phase shift circuitry includes: a signal generation circuitry that receives an input signal, and outputs four signals different in phase from each other by 90 degrees based on the input signal, the four signals includes a first signal and a second signal; four variable amplifier circuitry that each includes a transistor, and amplify the four signals individually, with amplification factors based on control voltages supplied to gates of the transistors, the four variable amplifier circuitry include a first amplifier amplifies the first signal by a first control voltage and a second amplifier amplifies the second signal by a second control voltage; a synthetic circuitry that synthesizes output signals of the four variable amplifier circuitry, and outputs a synthesized signal; and a control circuitry supplies voltages, that are equal to or higher than the gate threshold value, to the first amplifier and the second amplifier.

Abstract: The present invention provides a hybrid beamforming-based broadcast channel transmitting method and devices. In an embodiment of the present invention, a method for transmitting broadcast channels in a wireless connection system supporting hybrid beamforming includes: a step of transmitting N broadcast channels including the same broadcast information in N mutually different subframes; and a step of receiving feedback information on one or more of the N broadcast channels, wherein N mutually different analog beams may be applied to the N broadcast channels, and N may be a positive integer.

Abstract: A base station that performs beamforming on a user equipment includes an acquiring unit that acquires a distribution of propagation losses in a communication area, a deciding unit that decides a beam set formed by a plurality of beams that are used for channel estimation, each of the beams having a beam width based on the distribution, and an antenna that transmits a reference signal to the user equipment by using each of the beams that form the beam set.

Abstract: A communication method and a system for converging a 5th-generation (5G) communication system for supporting higher data rates beyond a 4th-generation (4G) system with a technology for internet of things (IoT) are provided. The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and an apparatus for transmitting cell status information (CSI) in a mobile communication system are provided. The method includes receiving configuration information for a plurality of channel status information reference signals (CSI-RSs), generating feedback information by measuring at least one of the CSI-RSs based on priority information, and transmitting the feedback information.

Abstract: A method of reporting CSI (channel status information), which is reported to an eNB by a user equipment (UE) in a wireless communication system, is disclosed in the present invention. The method includes the steps of receiving a CSI reporting request signal for a plurality of cells set to the UE from the eNB; generating CSI using a payload arranged in an order of first indicators corresponding a plurality of the cells and second indicators corresponding a part of the plurality of the cells; and reporting the CSI to the eNB in response to the CSI reporting request signal. In this case, the first indicators and the second indicators are arranged to the payload in an ascending order of a corresponding cell ID. If the cell ID is the same, the first indicators and the second indicators are arranged to the payload in an ascending order of a corresponding CSI process index.

Abstract: According to an example, an AP may obtain an influence index for each of antenna combinations, and determine antenna combinations whose influence indices are smaller than or equal to a pre-determined threshold to be valid antenna combinations. The antenna combinations may include antennas not more than the maximum number of transmitting links supported by the AP. Each influence index may indicate the influence of an antenna combination on default antenna combinations of neighboring APs operating on the same channel. The AP may adjust the available transmission rates supported by the AP according to the largest number of antennas in the valid antenna combinations. The AP may select a transmission rate from the range for a frame, determine the number of antennas corresponding to the selected transmission rate, and select an antenna combination in which the number of antennas equals the determined number of antennas from the valid antenna combinations for transmitting the frame.

Abstract: A method of transferring aircraft data from an aircraft to a portable electronic device entails receiving at the portable electronic device the aircraft data from a data connection with an aircraft data source without writing data back to the aircraft or from a user interface while being capable of receiving aircraft data via the data connection and executing an application on the portable electronic device using the aircraft data to present new information about the aircraft or its operating environment that is not available for display on a cockpit display but which is displayable on the portable electronic device based on the aircraft data received by the portable electronic device.

Abstract: Multibeam coverage for a high altitude platform (“HAP”) is disclosed. An example method to provision a HAP includes determining an altitude range at which the HAP will operate and determining a minimum elevation angle from the ground to the HAP. The method also includes determining a coverage area of the HAP based on the altitude range and the minimum elevation angle and partitioning the coverage area into substantially equal-sized cells. The method further includes assigning an antenna to each of the cells and determining a beamwidth and an elevation angle for each antenna to provide communication coverage to the corresponding cell. The method moreover includes determining an aperture for each of the antennas based on the beamwidth and the elevation angle to provide the substantially equal-sized cells.

Abstract: The present invention includes novel techniques, apparatus, and systems for optical WDM communications. Tunable lasers are employed to generate respective subcarrier frequencies which represent subchannels of an ITU channel to which client signals can be mapped. In one embodiment, subchannels are polarization interleaved to reduce crosstalk. In another embodiment, polarization multiplexing is used to increase the spectral density. Client circuits can be divided and combined with one another before being mapped, independent of one another, to individual subchannels within and across ITU channels. A crosspoint switch can be used to control the client to subchannel mapping, thereby enabling subchannel protection switching and hitless wavelength switching.

Abstract: A system for troubleshooting signals in a cellular communications network, and in particular, for determining the cause of distortion or corruption of such signals, includes a robotic or other type of switch. The robotic switch can tap into selected uplink fiber-optic lines and selected downlink fiber-optic lines between radio equipment and radio equipment controllers in a wireless (e.g., cellular) network to extract therefrom the I and Q data. The selected I and Q data, in an optical form, is provided to an optical-to-electrical converter forming part of the system. The system includes an FPGA (Field Programmable Gate Array) or the like, and an analytic computer unit, or web server, and SSD (Solid State Drive) and magnetic disk storage, among other components of the system. The system analyzes the I and Q data provided to it, and determines the cause, or at least narrows the field of possible causes, of impairment to transmitted signals.

Abstract: A free-space optical communication system is provided. The free-space optical communication system includes a transmitter configured to optically transmit data in a plurality of subcarrier signals over a free-space scattering medium. The free-space optical communication system includes a coherent receiver configured to receive the plurality of subcarrier signals and extract the transmitted data from the plurality of subcarrier signals after traversal over the free-space scattering medium.

Abstract: Method and apparatus are directed to a visible light communication module configured to transmit information associated with a drug delivery device. The visible light communication module comprises a controller and a light source. The controller is configured to: receive information associated with the drug delivery device; and modulate, in accordance with the received information, at least one drive signal for driving the light source configured to emit visible light signals of a first wavelength. The light source is configured to emit the visible light signals in accordance with the modulated at least one drive signal.

Abstract: Disclosed is a system and method for using visible light communication (“VLC”) to perform indoor position location. Through use of a system and method configured as set forth herein, the position of any appropriately marked person or item may be found indoors using data interconnected modules that communicate with one another via RF and visible light. A mobile receiver in the form of a tag or badge attached to the person or item to be tracked receives a VLC signal from a plurality of lighting modules, and transmits back to a processor the data it received so that the processor is able determine the tag's or badge's physical position with respect to the individual network modules.

Abstract: In one embodiment, such a method may include receiving a visible light signal by a sensor of a terminal device from a transmitter which transmits the visible light signal by a light source changing in luminance. The terminal device may transmit a request signal for requesting content associated with the visible light signal, from the terminal device to a server, and receive a content from the server. The content may include time points and data to be reproduced at the time points. Thereafter the terminal device may reproduce data included in the content and corresponding to a time point of a clock included in the terminal device.

Abstract: A terminal device registration method and a device, where the method includes sending upstream registration window information to a terminal device, where the upstream registration window information indicates a starting position of an upstream registration window to the terminal device, receiving an upstream access signal sent by the terminal device from the starting position of the upstream registration window, where the upstream access signal includes a correlation sequence symbol and at least one orthogonal frequency division multiplexing (OFDM) symbol following the correlation sequence symbol, the correlation sequence symbol is constituted by a first sequence that meets a preset condition, and the at least one OFDM symbol modulates access information by means of differential phase modulation in a frequency domain, and performing upstream ranging according to the starting position of the upstream registration window and the correlation sequence symbol.

Abstract: The present invention relates to the field of optical module, and provides a high-speed optical module for an optical fiber channel. The optical module can be used for 16G optical fiber channel, and comprises parts for emitting, receiving, clock data recovery and controlling. The optical module can be downward compatible with the application of 8G optical fiber channel and 4G optical fiber channel, support the diagnostic tests on optical circuit loopback and electrical circuit loopback, and provide stable receiving alarming.

Abstract: Systems and methods for achieving full duplex bidirectional transmission across coaxial cable in a hybrid fiber-coaxial cable TV network. Some preferred systems and method will attenuate reflections propagated within the coaxial cable. Other preferred systems may echo-cancel reflections propagated within the coaxial cable.

Abstract: Systems and methods for achieving full duplex bidirectional transmission across coaxial cable in a hybrid fiber-coaxial cable TV network. Some preferred systems and method will attenuate reflections propagated within the coaxial cable. Other preferred systems may echo-cancel reflections propagated within the coaxial cable.

Abstract: Embodiments disclosed in the detailed description include analog distributed antenna system (DAS) supporting distribution of digital communications signals interfaced from a digital signal source and analog radio frequency (RF) communications signals. Analog RF communications signals received from analog RF signal sources are distributed in the analog DAS without being digitized. The analog DAS is also configured to interface with digital signal sources and compatibly distribute digital communications signals. Hence, a digital signal interface in head-end equipment (HEE) is configured to convert downlink digital communications signals to downlink analog RF communications signals for distribution to a plurality of remote units. The digital signal interface is also configured to convert uplink analog RF communications signals to uplink digital communications signals for distribution to the digital signal source(s).

Abstract: Optical fiber-based wireless systems and related components and methods are disclosed. The systems support radio frequency (RF) communications with clients over optical fiber, including Radio-over-Fiber (RoF) communications. The systems may be provided as part of an indoor distributed antenna system to provide wireless communication services to clients inside a building or other facility. The communications can be distributed between a head end unit (HEU) that receives carrier signals from one or more service or carrier providers and converts the signals to RoF signals for distribution over optical fibers to end points, which may be remote antenna units (RAUs). In one embodiment, calibration of communication downlinks and communication uplinks is performed to compensate for signal strength losses in the system.