46th week of 2015 patent applcation highlights part 64 |
Patent application number | Title | Published |
20150326223 | EMULATION OF LED INPUT CHARACTERISTICS IN BICMOS PROCESS - An apparatus comprising an Opto-coupler using LED and photo transistor as a basis for the isolation is provided. An Input of the opto-coupler based isolator is an LED. The opto-coupler uses PMOS MP | 2015-11-12 |
20150326224 | CIRCUIT FOR GENERATING BIAS VOLTAGE FOR HIGH SPEED INPUT/OUTPUT PAD - The present invention provides a circuit for generating a bias voltage for a high speed input/output pad. To this end, a bias voltage generator according to an embodiment of the present invention is to supply at least one bias voltage to a buffer circuit connected to the pad, which includes: a bias generation part for generating a first bias voltage; and a reference voltage generation part for generating a voltage proportional to the pad voltage applied to the pad as a reference voltage, wherein the first bias voltage may be the sum of the reference voltage and a predetermined voltage. | 2015-11-12 |
20150326225 | CIRCUIT, SEMICONDUCTOR DEVICE, AND CLOCK TREE - A circuit with a reduced leakage current is provided. A first transistor, a third transistor, and a second transistor are electrically connected in this order in series, a drain of the second transistor and a source of the third transistor are electrically connected to each other and are electrically connected to an output node. The first transistor is a p-channel transistor. The second and third transistors are n-channel transistors each including a semiconductor region including an oxide semiconductor. The third transistor functions as a switch that controls electrical connection between a drain of the first transistor and an output node of the circuit. In the standby mode, the third transistor is in an off state. | 2015-11-12 |
20150326226 | LOAD SWITCH FOR CONTROLLING ELECTRICAL COUPLING BETWEEN POWER SUPPLY AND LOAD - Circuits and methods for controlling electrical coupling by a load switch are disclosed. In an embodiment, the load switch includes a pass element, level-shift circuit and low-resistance active path. The pass element is configured to be coupled to a power supply and a load, and is configured to electrically couple the power supply with the load during ON-state and electrically decouple the power supply from the load during OFF-state. The level-shift circuit includes a first transistor and pull-up resistor and is configured to generate a level-shifted signal in response to an enable signal, and enable the ON-state and the OFF-state of the pass element based on first and second voltages of the level-shifted signal. The low-resistance active path is coupled in parallel with the pull-up resistor for shunting the pull-up resistor in the OFF-state by providing a path for a leakage current of the first transistor in the OFF-state. | 2015-11-12 |
20150326227 | USER REGISTERS IMPLEMENTED WITH ROUTING CIRCUITS IN A CONFIGURABLE IC - Some embodiments of the invention provide a configurable integrated circuit (“IC”). The configurable IC includes a set of configurable logic circuits for configurably performing a set of functions. The configurable IC also includes a set of configurable routing circuits for routing signals to and from the configurable circuits. During several operational cycles of the configurable IC, a set of data registers are defined by the configurable routing circuits. These data registers may be used wherever a flip-flop can be used. | 2015-11-12 |
20150326228 | Current Synthesizer Correction - An adjustable current-synthesizer may generate synthesized current representative of an actual current, according to a model of a circuit that produces the actual current. The current synthesizer may under-sample a current sense signal derived from the actual current to obtain a few samples of the actual current, which are then used to adjust the synthesized current, thereby ensuring accuracy of the synthesized current. Sample values of the actual current are compared with corresponding generated values of the synthesized current to obtain offset values. In order to maintain monotonicity in the synthesizer results, the offset values are used to make adjustments to the slope of the synthesized current. The slope of the synthesized current may also be adjusted according to the slope of the actual current. Sub-Nyquist sampling of the actual current may be performed on the down-slope, with up-slope adjustments made based on the offset adjustment and down-slope adjustment. | 2015-11-12 |
20150326229 | Phase Interpolator with Phase Traversing for Delay-Locked Loop - A system, method and computer readable storage medium are disclosed for phase interpolator to generate a single phase output clock signal based on plurality of phase-shifted component clock signals and a digital user input control signal to be utilized in combination with a delay-locked loop circuit. In one embodiment, the phase interpolator utilizes a method of phase-traversing when generating the single phase output clock signal that prevents over- or undershooting of the desired target phase of the single phase output clock signal. | 2015-11-12 |
20150326230 | Polar Receiver with Reduced Amplitude-Phase Distortion - A receiver includes a harmonic injection-locked oscillator, which receives an RF modulated signal and provides an output to two parallel signal paths. A fundamental injection-locked oscillator is provided on one of the signal paths. A phase discriminator detects a phase difference between signals that have passed through the first and second signal paths. At least one of the signal paths includes an amplitude limiting circuit. One or more of the signal paths may include an adjustable delay circuit. | 2015-11-12 |
20150326231 | TUNABLE FREQUENCY-TO-VOLTAGE CONTROLLED OSCILLATION - A tunable DCO (digitally controlled oscillator), for example, includes a clock generator that is arranged to provide a converter clock signal for driving a frequency-to-voltage (F2V) converter. The F2V converter, for example, includes a frequency target control input for selecting an operational frequency and in response generates a frequency control signal using a DAC (digital-to-analog converter). The example F2V converter is arranged using a split capacitor DAC to provide a linear voltage response over a range of trim codes. The clock generator is arranged to generate the converter clock signal in response to the frequency control signal. | 2015-11-12 |
20150326232 | Crystal Oscillator Noise Compensation Method for a Multi-Loop PLL - A multi-loop phase locked loop (PLL) system with noise attenuation has a first PLL including a local oscillator, a second PLL coupled to an output of the first PLL, and a third PLL in a feedback path between the second PLL and first PLL. A first phase comparator compares an input signal with the first feedback signal to generate a first phase error signal for the first PLL. The first phase error signal is multiplied by a scaling factor k determining the amount of noise attenuation. The third PLL has a bandwidth preferably at least ten times higher than the second PLL so that the overall transfer function of the second and third PLLs is approximately the transfer function of the second PLL. The transfer function of the third PLL is multiplied by a scaling factor 1/k. This arrangement allows the use of an uncompensated local oscillator in the first PLL. The noise generated in the uncompensated local oscillator is reduced by the attenuation factor k. | 2015-11-12 |
20150326233 | APPARATUS AND METHODS FOR TUNING A VOLTAGE CONTROLLED OSCILLATOR - Apparatus and methods for tuning a voltage controlled oscillator (VCO) are provided. In one aspect, a method of auto-tuning in a phase-locked loop includes generating a VCO clock signal using a VCO coupled to a capacitor array, dividing the VCO clock signal to generate a divided clock signal using a prescaler circuit having a selectable division ratio, controlling a value of the selectable division ratio using a first counter and a second counter of a counter module, generating a phase-frequency detector feedback signal based on a division control signal M and the divided clock signal using the counter module, counting a number of cycles of the divided clock signal that occur during a calibration interval using a cycle counter of a digital processing logic circuit, and determining the value of a capacitor array control signal based on the number of cycles counted during the calibration interval. | 2015-11-12 |
20150326234 | CLOCK GENERATION CIRCUIT AND SEMICONDUCTOR DEVICE PROVIDED THEREWITH - It is an object of the present invention to solve a problem that malfunction of communication is generated by varying a frequency of a clock due to noise from outside in a case where there is no supplied signal in a circuit which performs negative feedback control so that the supplied signal and the feedback signal can maintain a fixed phase relationship between the signals. The present invention provides a configuration including a PLL circuit and an oscillator circuit, where a switch for switching an output between a signal from the PLL circuit and a signal from the oscillator circuit to the signal output portion is provided to switch from a connection to the PLL circuit to a connection to the oscillator circuit in a case where there is no received signal. | 2015-11-12 |
20150326235 | CAPACITIVE ARRANGEMENT FOR FREQUENCY SYNTHESIZERS - An electronic device has a capacitive arrangement for controlling a frequency characteristic. The capacitive arrangement has varactor banks having a number of parallel coupled varactors and a control input for switching the respective varactors on or off. A main varactor bank has N varactors and a series varactor bank has A varactors, the main varactor bank being connected in series with the series varactor bank. A shunt varactor bank of B varactors may be coupled to a ground reference and connected between the main varactor bank and the series varactor bank. When a varactor is switched in the main varactor bank, it provides an equivalent capacitance step size (or frequency step) smaller than size of a capacitance step when switching a single varactor on or off. According to the number of varactors selected in the shunt varactor, B, this frequency step can be made programmable. By the arrangement of unitary varactors a very small step size is achieved for providing a high resolution of frequency of a digitally controlled oscillator. | 2015-11-12 |
20150326236 | FRACTIONAL-N SYNTHESIZER WITH PRE-MULTIPLICATION - A fractional-N frequency synthesizer that suppresses integer boundary spurs. A frequency synthesizer includes a fractional-N phase locked loop (PLL) and a reference frequency scaler. The reference frequency scaler is coupled to a reference clock input of the PLL, the reference frequency scaler includes a programmable frequency divider, and a programmable frequency multiplier connected in series with the programmable frequency divider. Each of the divider and multiplier is configured to scale a reference frequency provided to the PLL by a programmable integer value. | 2015-11-12 |
20150326237 | SPECTRALLY WEIGHTED ANALOG TO DIGITAL CONVERSION - Systems and methods presented herein provide for analog to digital conversion with variable bit resolution. In one embodiment, a system includes a processor and a multiplexer. The processor is operable to receive an analog signal, to detect power spectral densities in the analog signal, to segment the analog signal into at least two frequency bands, to sample each of the frequency bands, and to quantize each of the sampled frequency bands with bit resolutions according to detected power spectral densities of the frequency bands. The multiplexer is operable to multiplex the quantized frequency bands into a data stream. | 2015-11-12 |
20150326238 | SEMICONDUCTOR DEVICE - A microcomputer includes a bus, a CPU (Central Processing Unit) coupled to the bus, a RAM (Random-access Memory) coupled to the bus, and an AD (Analog-to-Digital) converter coupled to the bus. The AD converter includes a switching circuit for switching between an analog signal and a reference potential, a first DA (Digital-to-Analog) converter including a plurality of first capacitors each having one end that can be individually coupled to the switching circuit and the other end coupled to a common output line, one or a plurality of testing capacitors that are dedicated for testing, each having one end to which the reference potential or a potential obtained by dividing the reference potential can be individually inputted, and a control circuit. In a normal mode, the control circuit determines a digital value corresponding to the analog signal, based on the output line. | 2015-11-12 |
20150326239 | CALIBRATION OF HIGH SPEED ASYNCHRONOUS CONVERTOR - An example method includes extracting calibration coefficients of each stage of a pipeline analog-to-digital convertor (ADC). The calculation of the corrected digital output of the pipeline ADC can be based on the digital output of each pipeline stage and the estimated calibration coefficient of the corresponding stage. Therefore, a relaxed design of the operational amplifier and sizing of capacitors in a high speed asynchronous ADC can be achieved. | 2015-11-12 |
20150326240 | CALIBRATION OF TIME-INTERLEAVED ANALOG-TO-DIGITAL CONVERTER - Various embodiments describe systems and methods for calibrating gain mismatches and timing errors in and between individual ADC channels of a time-interleaved ADC. In some embodiments, a calibration signal (e.g., a DC signal) can be selectively applied to each ADC channel of a time-interleaved ADC to estimate a gain mismatch of the corresponding ADC channel. The gain mismatch can then be compensated by a gain correction circuit at the digital backend of the time-interleaved ADC. In some embodiments, timing errors between ADC channels of a time-interleaved ADC can be measured by applying a time varying signal to the ADC channels of the time-interleaved ADC. The timing errors can be calibrated by applying a feedback signal to a clock phase generator of the time-interleaved ADC. | 2015-11-12 |
20150326241 | ANALOG-TO-DIGITAL CONVERTER AND SOLID-STATE IMAGING APPARATUS - An analog-to-digital (AD) converter has a latch section having latch units, a capacitor, and a latch control signal line connected to the latch units. A third voltage less than a first voltage and greater than a second voltage is applied as a power supply voltage to the latch units. When the capacitor is electrically connected to the latch control signal line, a potential of the latch control signal line becomes greater than or equal to the third voltage. Only when the electrical connection between the capacitor and the latch control signal line is disconnected, the first voltage is applied to the capacitor and the second voltage is applied to the latch control signal line. When the potential of the latch control signal line becomes greater than or equal to the third voltage, the latch units latch clock signals. | 2015-11-12 |
20150326242 | COUNTER, ANALOGUE TO DIGITAL CONVERTER INCLUDING THE COUNTER AND IMAGE SENSING DEVICE INCLUDING THE ANALOGUE TO DIGITAL CONVERTER - A counter includes a sampling unit suitable for sampling a logic state of a least significant bit (LSB) during a counting hold section, the counting hold section is present between first and second ramp sections; and a toggling control unit suitable for, in response to a clock and a sampling signal outputted from the sampling unit, generating the LSB according to a first voltage level of a counting target signal during a second part of the first ramp section and generating the LSB according to a second voltage level of the counting target signal during a first part of the second ramp section. | 2015-11-12 |
20150326243 | COLUMN A/D CONVERTER, COLUMN A/D CONVERSION METHOD, SOLID-STATE IMAGING ELEMENT AND CAMERA SYSTEM - A solid-state imaging device having an analog-digital converter, and an analog-digital conversion method are described herein. An example of a solid-state imaging device includes a column processing section that includes a low-level bit latching section. The low-level bit latching section receives a comparator output from a comparator and a count output from a counter, and the low-level bit latching section latches a count value. | 2015-11-12 |
20150326244 | SYSTEMS AND METHODS RELATED TO DIGITAL-TO-ANALOG CONVERSION IN RADIO-FREQUENCY APPLICATIONS - Systems and methods related to digital-to-analog conversion in radio-frequency (RF) applications. In some embodiments, a wireless system can include a baseband sub-system having a mixing circuit configured to perform a mix mode operation, and a time-interleaved digital-to-analog converter (TIDAC) circuit in communication with the mixing circuit. The TIDAC circuit can include a plurality of sample-and-hold (S/H) circuits, with each S/H circuit being configured to receive a digital signal and generate an analog signal. The baseband sub-system can be further configured to combine the analog signals associated with the S/H circuits and generate an analog output signal. The wireless system can further include an RF sub-system configured to receive the analog output signal from the baseband sub-system and generate an RF signal for transmission. | 2015-11-12 |
20150326245 | STORAGE OF A MATRIX ON A STORAGE COMPUTE DEVICE - A compressed format is selected for storage of a matrix based on a computation to be performed using the matrix and architecture of a storage compute device to which the matrix is stored. Data of the matrix is stored on the storage compute device according to the compressed format. The computation is performed using the data via a computation unit that resides within the storage compute device. | 2015-11-12 |
20150326246 | METHOD FOR COLLECTING SIGNAL WITH SAMPLING FREQUENCY LOWER THAN NYQUIST FREQUENCY - A method for collecting a signal with a frequency lower than a Nyquist frequency includes, by a data transmitting end, selecting a suitable transformation base matrix for an input signal, deriving a sparse representation of the signal using the transformation base matrix to determine a sparsity of the signal, calculating a number M of compressive sampling operations according to the sparsity, sampling the signal with f | 2015-11-12 |
20150326247 | Dictionary-based compression method, dictionary-based decompression method and dictionary composing method - The present disclosure discloses a dictionary-based compression method, a dictionary-based decompression method and a dictionary composing method. An embodiment of said dictionary-based compression method comprises: receiving digital data which include a plurality of data blocks; compressing the digital data according to a multilayer dictionary-based compression algorithm which includes a first dictionary-based compression algorithm, a second dictionary-based compression algorithm and a third dictionary-based compression algorithm. Said first, second and third dictionary-based compression algorithms execute compression by a unit range of N data blocks, a unit range of M data blocks and a unit range of L data block(s) respectively in which N, M, L are integers not greater than the number of total data blocks, wherein N is greater than M and M is greater than L. | 2015-11-12 |
20150326248 | DEFLATE COMPRESSION ALGORITHM - A compression algorithm replaces duplicative strings with a copy pair indicating a location and length of a preceding identical string that is within a window from the duplicative string. Rather than a replacing a longest matching string within a window from a given point with a copy pair, the longest matching string may be used provide it is at least two bytes larger than the next longest matching string or is at a distance that is less than some multiple of a distance to the next longest matching string. In another aspect, the length of the window in which a matching string may be found is dependent on a length of the matching string. In yet another aspect, rather than labeling each literal and copy pair to indicate what it is, strings of non-duplicative literals are represented by a label and a length of the string. | 2015-11-12 |
20150326249 | MODIFIED TRELLIS-BASED MIN-MAX DECODER FOR NON-BINARY LOW-DENSITY PARITY-CHECK ERROR-CORRECTING CODES - A decoder includes a syndrome value calculator configured to generate multiple syndrome values. The decoder further includes a check node to variable node message generator that is coupled to the syndrome value calculator. The check node to variable node message generator is configured to generate multiple check node to variable node messages in a single clock cycle based on the multiple syndrome values. | 2015-11-12 |
20150326250 | METHOD AND APPARATUS FOR CONVOLUTIONAL CODING TO SUPPORT MULTIPLEXING IN A WIDEBAND COMMUNICATIONS SYSTEM - An approach for encoding a physical layer (PL) header of a PL data frame is provided. The PL header comprises sixteen information bits u | 2015-11-12 |
20150326251 | NON-TEMPORARILY STORING TEMPORARILY STORED DATA IN A DISPERSED STORAGE NETWORK - A method includes encoding a plurality of data objects using first dispersed storage error encoding parameters having a first level of redundancy to produce first plurality of encoded data objects. The method includes generating first storage commands for temporary storage of the first plurality of encoded data objects. The method includes selecting a set of data objects from the plurality of data objects for permanent storage. The method includes encoding the set of data objects using second dispersed storage error encoding parameters having a second level of redundancy to produce a second plurality of encoded data objects, wherein the second level of redundancy is greater than the first level of redundancy. The method includes generating second storage commands for permanent storage of the second plurality of encoded data objects. | 2015-11-12 |
20150326252 | RATE ADAPTIVE TURBO FORWARD ERROR CORRECTION - Techniques herein support enhanced multi-rate encoding and decoding of signals in multiple formats. In one embodiment, input data is received at a first device at one of a plurality of data rates. Encoder units are activated to produce streams of encoded input data. The encoder units are configured to operate at the same data rate. Differential encoding operations are performed to produce an encoded output stream. The encoded output stream is modulated for transmission to a second device. In another embodiment, a first device receives an encoded data stream that is transmitted from a second device. The modulated data stream includes encoded data at one of a plurality of data rates. Differential decoding is performed on the encoded data by activating one or more of a plurality of decoder units, where each of the plurality of decoder units is configured to operate at the same rate. | 2015-11-12 |
20150326253 | FORWARD ERROR CORRECTION WITH TURBO/NON-TURBO SWITCHING - A forward error correction and differentially encoded signal obtained via a communication channel is supplied to a soft-input soft-output (SISO) differential decoder that is bi-directionally coupled to a SISO forward error correction decoder. Over a first portion of a plurality of decoding iterations of the differentially encoded signal, the SISO differential decoder and the SISO forward error correction decoder are operated in a turbo decoding mode in which decoded messages generated by the SISO differential decoder are supplied to the SISO forward error correction decoder and forward error correction messages are supplied to the differential decoder. Over a second portion of the plurality of decoding iterations of the differentially encoded signal, the SISO forward error correction decoder is operated in a non-turbo decoding mode without any messages passing to and from the SISO differential decoder. Decoder output is obtained from the SISO forward error correction decoder. | 2015-11-12 |
20150326254 | WIRELESS DEVICE WITH ADAPTIVELY-TUNABLE ELECTRICALLY-SMALL ANTENNAS - A communication device includes a transmitter (TX), a receiver (RX), one or more adaptively-tunable Electrically-Small Antennas (ESAs), and a control unit. The transmitter is configured to produce a TX signal for transmission on a TX frequency band. The receiver is configured to process an RX signal received on an RX frequency band. The adaptively-tunable ESAs are configured to transmit the TX signal on the TX frequency band and to receive the RX signal on the RX frequency band. The control unit is configured to adaptively tune respective responses of the one or more ESAs in the TX or RX frequency band. | 2015-11-12 |
20150326255 | RADIO FREQUENCY POWER AMPLIFIER INCLUDING A PULSE GENERATOR AND MATCHING NETWORK CIRCUIT - A system and method are provided for controlling a radio frequency (RF) power amplifier. A magnitude input and a phase input are received for transmission of a RF signal by the RF power amplifier. A digital pulse, having a center position relative to an edge of a reference clock based on the phase input and having a width based on the magnitude input, is generated. The digital pulse is filtered with a resonant matching network to produce the RF signal corresponding to the magnitude input and the phase input. | 2015-11-12 |
20150326256 | COMPRESSED AMPLITUDE WIRELESS SIGNAL AND COMPRESSION FUNCTION - Compression of an input signal prior to high power radio frequency (RF) amplification and transmission is disclosed. A compression device can receive an input signal and generate a compressed signal that can be passed to an amplification stage to reduce intermodulation effects. The compression device can further generate compression information that can be transmitted to enable a mobile device receiving an amplified version of the compressed signal and the compression information to decompress the amplified version of the compressed signal. Further, a mobile device that can receive an amplified compressed signal and compression information, such that the mobile device can decompress the amplified compressed signal, is also disclosed. The disclosed subject matter can enable use of lower cost, smaller, and less complex RF amplifiers within a wireless network environment. | 2015-11-12 |
20150326257 | Non-Linear Capacitance Based Parametric Mixer - A method and apparatus for frequency conversion. The apparatus includes a mixer configured to provide an output signal with a converted frequency, a local oscillator, and a non-linear transmission structure operably connected to the mixer and the local oscillator. The non-linear transmission structure is configured to cancel at least a portion of non-linearity of the mixer from the output signal and to modify a gain of the output signal. The local oscillator may provide a local oscillator signal to the non-linear transmission structure. The non-linear transmission structure may also be configured to modify the local oscillator signal to cancel at least the portion of the non-linearity of the mixer and to modify the gain of the output signal, and provide the modified local oscillator signal to the mixer. | 2015-11-12 |
20150326258 | APPARATUS AND METHOD FOR CONTROLLING POWER AMPLIFIER BIAS - An electronic device and a bias control method thereof are provided. The electronic device includes a channel quality measuring module configured to measure a channel quality of a received signal, a bias offset determining module configured to determine a bias offset based on the measured channel quality, a bias offset applying module configured to modify a bias by applying the determined bias offset to a specified bias value, and a power amplifier configured to amplify transmission power according to the modified bias. | 2015-11-12 |
20150326259 | CONTROL OF MISO NODE - A method for generating a radio frequency (RF) signal is disclosed herein. The method includes generating, with a plurality of analog-to-digital converters, analog control signals. A modulated control signal is generated, using a modulator, based on the analog control signals. A biased modulated control signal is generated, using an amplifier, based on the modulated control signal and a first bias control signal. Further, the RF signal is generated, using a multiple-input-single-output (MISO) device, based on the biased modulated control signal and a second bias control signal. | 2015-11-12 |
20150326260 | METHODS AND APPARATUS FOR MITIGATING KNOWN INTERFERENCE - Systems and methods for mitigating known interference at a receiving device are provided. A signal from a transmission source is received by a receiving device that is affected by an interference source. At least one of a first pilot signal associated with the transmission source and a second pilot signal associated with the interfering source is determined. The first pilot signal includes information broadcast from the transmission source and the second pilot signal includes information broadcast from the interference source. Interference caused by the interference source is mitigated from the received signal using at least one of the first pilot signal and the second pilot signal. | 2015-11-12 |
20150326261 | METHOD OF SUPPORTING MULTI-FREQUENCY BANDS AND ELECTRONIC DEVICE SUPPORTING THE SAME - An electronic device which operates in response to multi-frequency bands is provided. The electronic device includes an antenna, a reception module configured to amplify a signal received through the antenna and distribute the amplified signal according to the multi-frequency bands, and a circuit unit configured to process signals included in the multi-frequency bands. | 2015-11-12 |
20150326262 | Avalanche Transceiver Carrying System - One embodiment of the present invention relates to a snow sport lower body avalanche transceiver attachment system including a garment, a pocket, a sleeve, and a continuous strap. The garment is a lower extremity snow sport garment such as a pair of snow pants or bib with a waist belt region and a pair of leg members. The pocket is located on one of the leg members and includes an internal region and a selective closure system such as a zipper. The sleeve is located within the internal region of the pocket and includes an opening and an internal transceiver region shaped to accommodate an avalanche transceiver. The continuous strap may be a single piece of nylon webbing stitched in one or more locations. The continuous strap encircles the transceiver region of the sleeve and extends to the waist belt region of the garment. | 2015-11-12 |
20150326263 | Communications Method, Apparatus, and System Based on Subscriber Identity Module - Embodiments of the present invention disclose a communications method, apparatus, and system based on a SIM card. According to the embodiments of the present invention, a SIM card of a first mobile terminal is remotely accessed by means of NFC, so as to acquire information in the SIM card, and communication is then performed according to the information in the SIM card. | 2015-11-12 |
20150326264 | WIRELESS COMMUNICATION DEVICE - The invention relates to a wireless communication device | 2015-11-12 |
20150326265 | MOBILE POWER DEVICE WITH INTEGRATED PROTECTIVE, CHARGING AND VOLTAGE-CONVERTING FUNCTIONS - A mobile power device with integrated protective, charging and voltage-converting functions includes a power conversion body, a power source body and an assembled frame. The power conversion body has an AC/DC converting unit. The power source body is connected to a supply sidewall of the power conversion body, having a charge element coupled to the AC/DC converting unit and a control module coupled to the charge element. The assembled frame is connected to a front surface of the power source body, configured for installing with a mobile device and applying electrical energy to the mobile device from an AC/DC or DC/DC converter. Specifically, a charge side wall of the power conversion body can be coupled to a commercial power outlet, thereby allowing for wireless charging of the mobile device. | 2015-11-12 |
20150326266 | A PROTECTIVE DEVICE - There is provided a protective device ( | 2015-11-12 |
20150326267 | WIRELESS COMMUNICATION TERMINAL DEVICE - A wireless communication terminal device according to the present invention comprises a main body which has a built-in electronic component, a casing which houses the main body, a cover body which is detachably attached to the casing, an antenna for wireless communication which is mounted on the cover body, a pair of electrodes which are disposed on the inner face of the cover body and connected to the antenna, a pair of terminals which are disposed on the main body and make contact with the pair of electrodes, and at least two projection pieces which are formed on the inner face of the cover body near the pair of electrodes as well as on both sides with the pair of electrodes interposed therebetween and project higher than the surfaces of the pair of electrodes. | 2015-11-12 |
20150326268 | RADIO FREQUENCY SWITCH - A radio frequency switch may include: a common port transmitting and receiving a radio frequency signal; a receive switch unit including a first switch unit having a plurality of first switch elements and a second switch unit having a plurality of second switch elements; and a transmit switch unit including a third switch unit having a plurality of third switch elements and a fourth switch unit having a plurality of fourth switch elements. The receive switch unit may further include a plurality of first capacitors connected between a first terminal and a body terminal of each of the plurality of first switch elements. The transmit switch unit may further include a plurality of second capacitors connected between a second terminal and a body terminal of each of the plurality of third switch elements. | 2015-11-12 |
20150326269 | METHOD FOR TRANSCEIVING SIGNAL IN WIRELESS COMMUNICATION SYSTEM, AND APPARATUS THEREFOR - The present invention relates to a method for transceiving a signal in a wireless communication system. A method for transceiving a signal in a wireless communication system according to one embodiment of the present invention comprises the steps of: deducing a channel from a transmission antenna of a transceiver; generating a reference signal by combining the deduced channel and a transmission signal from the transmission antenna; converting the reference signal into an analog signal; receiving a data signal and a self-interference signal by means of a reception antenna of the transceiver; and canceling the self-interference signal from the received data signal by means of the converted reference signal, wherein deducing a channel and combining signals are performed in the digital domain and discarding the self-interference signal is performed in the analog domain. | 2015-11-12 |
20150326270 | Remote Unit for Communicating with Base Stations and Terminal Devices - A remote unit of a distributed antenna system is disclosed that can communicate analog RF signals with both base stations and terminal devices in a coverage zone serviced by the remote unit. In some aspects, the remote unit can include a signal processing module and a transceiver. The transceiver can communicate RF signals between a master unit of the distributed antenna system and a terminal device. The transceiver can also receive analog downlink RF signals from a base station. The signal processing module can convert the analog downlink RF signals to digital downlink signals and provide the digital downlink signals to the master unit. | 2015-11-12 |
20150326271 | Signal Acquisition in a Multimode Environment - A transmitter comprises a symbol mapper operable to map a frame of bits to a frame of symbols, where the symbols correspond to a determined modulation scheme, and circuitry operable to convert the frame of symbols to a physical layer signal and transmit the physical layer signal onto a communication medium. The circuitry is operable to process the physical layer signal such that a first portion of the physical layer signal is a first type of signal (e.g., a linear signal and/or non-ISC signal) and a second portion of the physical layer signal is a second type of signal (e.g., nonlinear signal and/or ISC signal). The first portion of the physical layer signal may comprise a header, a preamble, and/or a payload of the frame. The second portion of the physical layer signal may comprise a header, a preamble, and/or a payload of the frame. | 2015-11-12 |
20150326272 | Pulse Compression Method for CHIRP Signal and Wireless Transceiver Thereof - A pulse compression method for CHIRP signal and a wireless transceiver thereof; pulse compression processing of a cycle C | 2015-11-12 |
20150326273 | METHODS OF OPERATING AND IMPLEMENTING WIRELESS OTFS COMMUNCIATIONS SYSTEMS - Computerized wireless transmitter/receiver system that automatically uses combinations of various methods, including transmitting data symbols by weighing or modulating a family of time shifted and frequency shifted waveforms bursts, pilot symbol methods, error detection methods, MIMO methods, and other methods, to automatically determine the structure of a data channel, and automatically compensate for signal distortions caused by various structural aspects of the data channel, as well as changes in channel structure. Often the data channel is a two or three dimensional space in which various wireless transmitters, receivers and signal reflectors are moving. The invention's modulation methods detect locations and speeds of various reflectors and other channel impairments. Error detection schemes, variation of modulation methods, and MIMO techniques further detect and compensate for impairments. The invention can automatically optimize its operational parameters, and produce a deterministic non-fading signal in environments in which other methods would likely degrade. | 2015-11-12 |
20150326274 | WIRELESS COMMUNICATION WITH PROBING BANDWITH - A system embodiment includes a first device and a second device configured to communicate over a selected wireless communication channel selected from a band of channels or over a selected set of channels used in an adaptive frequency hopping scheme. The first device is configured to transmit a probe signal that has a plurality of frequencies contained within the band of channels, and the second device is configured to determine a signal strength of the probe signal for each of a plurality of potential communication channels within the band of channels. The first and second devices configured to switch to another wireless communication channel based at least in part on the signal strength of the probe signal for each of a plurality of potential wireless communication channels. | 2015-11-12 |
20150326275 | Frequency Hopping Sequence Generation - Techniques for frequency-hopping sequence-generation are described herein. In one example, a sequence of pseudo random numbers may be used to generate a scrambling sequence. The scrambling sequence may be used to map an unscrambled sequence of channels into a scrambled sequence of channels. Channel-repeats may be detected in the scrambled sequence of channels and resolved. Channel whitening may be performed to reduce channel overuse resulting from the channel-repeat resolutions. The scrambled sequence of channels may be provided to a radio to enable the radio to tune to the channels indicated by the scrambled sequence of channels. | 2015-11-12 |
20150326276 | FREQUENCY HOP SEQUENCE DISCOVERY MECHANISM - An apparatus including narrowband receivers and a controller. The narrowband receivers are deployed geographically within a grid, where each of the narrowband receivers is configured to receive transmissions from a least one of a plurality of automated meter reading (AMR) meters, and where each of the plurality of AMR meters transmits identical data on each of a plurality of frequency bands that are hopped according to an unknown hopping sequence, but a known hop rate. The controller is coupled to the narrowband receivers, and is configured to control the narrowband receivers such that the each of the plurality of AMR meters is identified, and is configured to control the narrowband receivers such that corresponding data from the each of the AMR meters is received on at least one of the plurality of frequency bands. | 2015-11-12 |
20150326277 | METHOD FOR TRANSMITTING SIGNAL AND DEVICE THEREFOR - The invention provides a method for transmitting a signal to an external electronic device. The method includes obtaining a compensation value by which an equalizer compensates a signal transmitted from the external electronic device, comparing the compensation value with a set of reference values so as to obtain one or more parameters, and adjusting an output signal transmitted from a transmit unit to the external electronic device based on the one or more parameters. | 2015-11-12 |
20150326278 | GAIN ADAPTATION FOR DOWNSTREAM VECTORING SYSTEMS - In accordance with an embodiment, the method includes detecting an update event whereupon a precoder needs to be updated, sending signal adjustment information to a receiver remotely coupled to a subscriber line out of the plurality of subscriber lines indicative of a signal compensation factor to be applied to a receive communication signal to compensate for a channel bias caused by the scheduled precoder update, and time-coordinating the precoder update with the enforcement of the signal compensation factor at the receiver. | 2015-11-12 |
20150326279 | DEVICE FOR POWER LINE COMMUNICATION, POWER LINE COMMUNICATIONS SYSTEM, METHOD FOR OPERATING A DEVICE FOR POWER LINE COMMUNICATION AND FOR ADAPTING PLC TRANSMISSIONS TO NOISE - A method for operating a device for power line communication includes measuring noise on the power line and detecting noise timing properties. Further, a method for adapting power line communication to detected noise timing properties, which may be asynchronous to the AC mains signal, includes adapting parameters for encoding a data stream and/or transmission parameters according to the detected noise timing properties and/or transmission timing information derived from the detected noise timing properties, encoding a data stream according to the adapted parameters for encoding, and transmitting the encoded data stream to the power line on at least one power line communications channel according to the adapted transmission parameters. | 2015-11-12 |
20150326280 | RECEIVER, APPARATUS, AND METHODS FOR WIRELESSLY RECEIVING DATA FROM A POWER INFRASTRUCTURE - Apparatuses, receivers, systems and methods for receiving data via a power line infrastructure. An exemplary apparatus includes a base station configured to receive a signal from a power line of a structure by coupling to the power line through an electrical outlet. The base station may include an impedance matching circuit configured to match an impedance of the power line of the structure, and a receiver coupled to the impedance matching circuit. The receiver may be configured to demodulate the signal received from the power line of the structure, convert the demodulated signal into a digital signal, and provide the digital signal to a decoder. | 2015-11-12 |
20150326281 | SYSTEM AND METHOD FOR TRANSFERRING POWER TO INTRABODY INSTRUMENTS - A system and method for transferring power includes a power transmitting unit for transmitting power and a power receiving unit for receiving power from the power transmitting unit. The power transmitting unit may be positioned outside a human body and the power receiving unit is located on an intrabody instrument adapted to be movable from the outside of the human body to inside the human body. The intrabody instrument may be a medical instrument connected to or incorporated within a robotic arm. The power transmitting unit may wirelessly transfer power to the power receiving unit in a continuous, non-interrupted manner. | 2015-11-12 |
20150326282 | RADIO COMMUNICATING SYSTEM, RADIO COMMUNICATING METHOD, RADIO STATION, CONTROL STATION AND PROGRAM - A radio station communicates control information for multipoint cooperating communication, in which a plurality of radio stations takes part in data transmission/reception of a terminal, with another radio station taking part in the multipoint cooperating communication and/or a control station that manages the radio station. | 2015-11-12 |
20150326283 | ON-BOARD UNIT, COMMUNICATION METHOD, AND RECORDING MEDIUM - An on-board unit includes a first antenna and a second antenna, a traffic data service communicating section corresponding to a traffic data service; a billing service communicating section corresponding to a billing service, a switch which switches a connection relation between each of the first antenna and the second antenna and the traffic data service communicating section and the billing service communicating section, a control section which controls the switch. When the operation mode is switched from the traffic data service mode to the billing service mode, the on-board unit is set to a switching communication mode in which one of the first antenna and the second antenna is connected with the traffic data service communicating section and the other is connected with the billing service communicating section. | 2015-11-12 |
20150326284 | System and Method for Multiple-Input Multiple-Output Communication - An embodiment communication system and method for using multiple-input multiple-output use. Kronecker model to determine a symbol coding formulation that achieves ergodic capacity for high signal-to-noise ratios (SNRs). The lower bound on this capacity is achieved by input signals in the form of the product of an isotropically distributed random Grassmannian component and a deterministic component comprising the eigenvectors and the inverse of the eigenvalues of the transmitter covariance matrix. | 2015-11-12 |
20150326285 | Low Effort Massive MIMO Antenna Arrays and Their Use - An apparatus includes a number of first RF chains configured to be able to be coupled to a plurality of first antennas from an antenna array and a number of second RF chains configured to be able to be coupled to a plurality of second antennas from the antenna array. The first and second antennas are different. The first and second RF chains are configured to create RF signals from baseband signals. The first RF chains have a certain functionality, and the second RF chains have a reduced functionality relative to the certain functionality. The apparatus may include the antenna array. The first and second antennas may have the same or different characteristics. A base station may include the apparatus. Sets of antennas for the second RF chains may be use to create signals used for over-the-air signal combining at a receiver. Methods and program products are also described. | 2015-11-12 |
20150326286 | Massive MIMO Architecture - Techniques are disclosed relating to a massive MIMO base station architecture. In some embodiments, a base station is configured to combine signals received by multiple antennas and, for at least a subset of processing elements included in the base station, each processing element is configured to operate on a different portion of the combined signals. In these embodiments, each portion includes signals from multiple antennas. In some embodiments, the portions are different time and/or frequency portions of the combined signals. In some embodiments, this distributed processing may allow the number of antennas of the base station to scale dramatically, provide dynamic re-configurability, facilitate real-time reciprocity-based precoding, etc. | 2015-11-12 |
20150326287 | Systems and Methods for Improving Uplink Transmission Properties in a Communication Network - Embodiments are directed to improving uplink transmission properties in a communication network. In one aspect a method for improving uplink transmission properties is disclosed that includes: obtaining information indicating an operating scenario of a UE, wherein the UE includes a plurality of antennas and the UE is configured to transmit UL signals using the plurality of antennas; selecting a precoder that is optimized for UL multiple antenna transmission based on at least the indicated operating scenario; and communicating the precoder to the UE. The information indicating an operating scenario comprises information indicating one or more of: i) a deployment characteristic on which the UE operates, ii) a cell change scenario, iii) a radio transmission characteristic of the UE, iv) a number of links that are involved in UL transmissions from the UE, and v) a type of service used by the UE. | 2015-11-12 |
20150326288 | THROUGHPUT BASED RANK SELECTION - Aspects described herein relate to selecting a rank for wireless communications using multiple transmit antenna layers. A first effective throughput achievable using a first rank and based at least in part on a first block error rate (BLER) associated with the first rank can be estimated along with a second effective throughput achievable using a second rank and based at least in part on a second BLER associated with the second rank. The first rank or second rank is selected to be used for transmitting communications over multiple transmit antenna layers based at least in part on comparing the first effective throughput to the second effective throughput, and the selection can be indicated to a transmitting entity from which the communications over the multiple transmit antenna layers are received. | 2015-11-12 |
20150326289 | METHOD AND APPARATUS FOR RECEIVING DOWNLINK WIRELESS SIGNAL - A method is provided for transmitting a downlink signal by a base station with an antenna array including a plurality of antenna elements in a wireless communication system. The downlink signal is precoded using a precoding matrix for the antenna array. The precoded downlink signal is transmitted to a user equipment (UE). Each element of the precoding matrix is expressed by | 2015-11-12 |
20150326290 | ASSISTANCE INFORMATION FOR ADVANCED RECEIVERS - Systems and methods relating to assisting a wireless device with suppression of an interfering physical channel during reception of a desired physical channel are disclosed. In some embodiments, a method of operation of a wireless device to assist with suppression of an interfering physical channel during reception of a desired physical channel comprises receiving assistance information for an interfering physical channel and receiving a desired physical channel while suppressing the interfering physical channel according to the assistance information for the interfering physical channel. The assistance information comprises an identity used to generate a reference signal associated with the interfering physical channel and information indicative of one or more transmission constraints on transmission of the interfering physical channel, the one or more transmission constraints comprising a spatial multiplexing rank restriction and/or a precoding matrix restriction. | 2015-11-12 |
20150326291 | Signaling and Frame Structure for Massive MIMO Cellular Telecommunication Systems - Techniques are disclosed relating to signaling and frame structure for massive MIMO communication systems. In some embodiments, an apparatus is configured to receive an uplink pilot symbol from a mobile device over a first channel and receive uplink data from the mobile device over the first channel, where the uplink data is included in one or more orthogonal frequency division multiplexing (OFDM) symbols at a symbol rate. In these embodiments, the apparatus is configured to, determine channel information based on the pilot symbol, precode downlink data based on the channel information, and transmit the precoded downlink data to the mobile device. In these embodiments, a transition interval between receiving the uplink pilot symbol and beginning to transmit the precoded downlink data corresponds to less than five OFDM symbols at the symbol rate. This may facilitate reciprocity-based precoding for fast-moving mobile devices, in some embodiments. | 2015-11-12 |
20150326292 | SPARSITY ENHANCED MISMATCH MODEL FOR HETEROGENEOUS NETWORKS WITH DOUBLY-SELECTIVE FADING CHANNELS - A deterministic mismatch model called Sparsity Enhanced Mismatch Model-Reverse discrete prolate spheroidal sequence which leads to a two stage transceiver design that outperforms precoding only strategy incorporating norm ball mismatch modeling. The inherent sparsity in the channel is brought forth by modeling the channel using a basis expansion model where discrete prolate spheroidal sequence is used as a basis. The sparsity enhanced mismatch model reverse discrete prolate spheroidal sequence disclosed herein better accounts for the channel state information estimate mismatch compared to the norm ball mismatch. The Sparsity Enhanced Mismatch Model-Reverse based transceiver system, which includes a two-stage precoder and decoder, allows the transceiver to utilize higher transmit power without violating the interference constraint placed at the victims, resulting in enhanced performance in the communication link. | 2015-11-12 |
20150326293 | HYBRID VIRTUAL ANTENNA MAPPING FOR MULTIPLE-INPUT MULTIPLE-OUTPUT SYSTEM - Aspects for balancing power output on the plurality of antennas for the transmission of a transport block are disclosed. In accordance with the present disclosure, a transmitter may balance the power output on a plurality of transmit antennas in a multiple-input multiple-output (MIMO) system by having a precoded data block bypass a virtual antenna mapping of the overhead channels (e.g., control channels). Additionally or alternatively, the transmitter may balance the power output on the plurality of transmit antennas by applying an inverse mapping parameter during the precoding process to the transport block to generate a plurality of inverse mapped precoded data blocks. In some examples, the inverse mapping parameter may be an inverse of the mapping parameter. Thus, in accordance with the present disclosure, precoding a transport block may include selecting a precoding weight for each of the plurality of antennas from an unrestricted precoding weight set. | 2015-11-12 |
20150326294 | TRANSMISSION METHOD, TRANSMISSION DEVICE, RECEPTION METHOD, AND RECEPTION DEVICE - Provided is a precoding method for generating, from a plurality of baseband signals, a plurality of precoded signals to be transmitted over the same frequency bandwidth at the same time, including the steps of selecting a matrix F[i] from among N matrices, which define precoding performed on the plurality of baseband signals, while switching between the N matrices, i being an integer from 0 to N−1, and N being an integer at least two, generating a first precoded signal z | 2015-11-12 |
20150326295 | MIMO TRANSMISSION METHOD AND MIMO TRANSMISSION DEVICE USING PLURALITY OF CELLS IN MULTI-CELL WIRELESS COMMUNICATION SYSTEM - The present invention relates to a method by which a base station performs multiple input and multiple output (MIMO) transmission using antennas of a plurality of cells in a multi-cell wireless communication system, the method comprising the steps of: selecting a rank value and cells for downlink MIMO transmission of a terminal on the basis of measurement information of the base station and the terminal, and determining a precoding matrix according to the rank value; and generating data which is to be transmitted to the terminal as data streams corresponding to the selected rank value, and mapping the data streams to antennas of the selected cells through a precoder so as to transmit the data streams to the terminal. | 2015-11-12 |
20150326296 | METHOD AND APPARATUS FOR PROVIDING GENERIC HIERARCHICAL PRECODING CODEBOOKS - A base band unit, BBU, in a wireless cellular heterogeneous network, the BBU being provided in a transmission node cluster, TNC, of transmission nodes, TNs, of neighbouring cells of the wireless cellular heterogeneous network, wherein the BBU comprises generic hierarchical precoding codebooks, CBs, each CB comprising cluster precoding matrices, CPMs, and each CPM is provided for a possible combination of active TNs within the TNC. | 2015-11-12 |
20150326297 | BEAM FORMING USING AN ANTENNA ARRANGEMENT - There is provided beam forming using an antenna array configured to transmit across an angular sector. A first set of virtual antenna ports is determined by a mapping of physical antenna ports of the antenna array, the first set of virtual antenna ports defining a beam pattern. A first set of reference signals for acquiring channel state information is transmitted over the first set of virtual antenna ports. Angular information about a wireless transceiver device receiving the transmitted first set of reference signals is acquired. The beam pattern is adapted based on an accuracy of the angular information and/or the angular information itself. | 2015-11-12 |
20150326298 | RFID Beam Forming System - A multi-protocol, multi-band array antenna system may be used in Radio Frequency Identification (RFID) system reader and sensory networks. The antenna array may include array elements with an integrated low noise amplifier. The system may employ digital beam forming techniques for transmission and steering of a beam to a specific sensor tag or group of tags in a cell. The receive beam forming network is optimized for detecting signals from each sensor tag. Narrow and wideband interferences may be excised by an interference nulling algorithm. Space division multiplexing may be used by the antenna system to enhance system processing capacity. | 2015-11-12 |
20150326299 | BEAM FORMING USING AN ANTENNA ARRANGEMENT - There is provided beam forming using an antenna array. The antenna array is configured to transmit across an angular sector. The angular sector is divided into at least two sub-sectors by respective port weights being applied to respective physical antenna ports of the antenna array. A respective set of virtual antenna ports is determined for each sub-sector. A first set of reference signals for acquiring channel state information on the set of virtual antenna ports is alternatingly transmitted in each one of the at least two sub-sectors. | 2015-11-12 |
20150326300 | COMMUNICATION DEVICE AND ORIENTATION CONTROL METHOD - The communication device includes: a phased array antenna having a plurality of antenna elements arranged on a plane for receiving signals transmitted from one or more transmitting devices; a signal converter for combining signals received through antenna elements for each sub-array and converting the combined signal for each sub-array into a baseband signal, the each sub-array being grouped from the plurality of antenna elements; a signal processor for decoding playback data based on respective baseband signals for sub-arrays in each resource block and detecting an error of the decoded playback data; and an orientation controller for controlling orientation of the phased array antenna based on the base band signals for the sub-arrays and a signal of a resource block with the playback data having no error. | 2015-11-12 |
20150326301 | Low-Complexity Diversity Reception - A system may comprise a plurality of signal processing paths, a bin-wise combiner, an inverse transformation block, and a DAC. Each signal processing path may comprise a transformation block that is operable to transform a first time-domain digital signal to an associated frequency-domain signal having a plurality of subband signals. The bin-wise combiner may be operable to combine corresponding subband signals of the plurality of signal processing paths. The inverse transformation block may be operable to transform output of the bin-wise combiner to an second time-domain signal. The DAC may be operable to converts the second time-domain signal to a corresponding analog signal. | 2015-11-12 |
20150326302 | LAWFUL INTERCEPT REPORTING IN WIRELESS NETWORKS USING PUBLIC SAFETY RELAYS - A relay device assists in enabling lawful intercept (LI) by reporting, to a LI entity associated with the cellular network, authenticated identities of remote UEs (such as remote UEs connected via proximity services) and identification information that may allow the LI entity to monitor traffic (and/or control statistics related to the traffic) associated with the remote UEs. The authentication of the remote UEs may be performed using a technique that does not require involvement of the cellular network. | 2015-11-12 |
20150326303 | SYSTEM AND METHOD FOR CODE MULTIPLEXING - A system and method include a modulator to combine satellite codes with a carrier signal on an I-Channel and a Q-Channel. A processor applies a code power fraction to the combined codes on the I-Channel and the Q-Channel to provide a unity amplitude while maintaining a phase angle so that a signal constant envelope transmission can occur without a balancing code. | 2015-11-12 |
20150326304 | WORLD-WIDE, WIDE-BAND, LOW-LATENCY, MOBILE INTERNET AND SYSTEM THEREFOR - A communication system for providing world-wide, mobile Internet communication to a plurality of users and a method therefore. | 2015-11-12 |
20150326305 | Framing Mechanism For Time-Division-Duplex OFDM Communication Systems - The present disclosure outlines mechanisms, systems, methods, techniques and devices that reposition a RMC symbol in a TDD frame. In one aspect, a method queues data transmission units (DTUs) for transmission in a TDD OFDM communication system, with each of the DTUs occupying a single symbol partially or fully, or multiple symbols, of a series of symbols in a TDD frame. The method also forms a management symbol for transmission in a k | 2015-11-12 |
20150326306 | WIRELESS RECEIVER - A method and apparatus for a wireless receiver are described herein. A user equipment (UE) may process control information in a first time slot of a transmission time interval (TTI) having a plurality of time slots. The UE may, in response to the control information including valid resource assignment information for the UE, receive data in the first time slot and another time slot of the TTI. The UE may, in response to the control information not including valid resource assignment information for the UE, discontinue reception in the TTI. The UE may discontinue reception for another time slot of the TTI. The circuitry may be further configured to receive a transmission indicating that a base station will discontinuously transmit to the UE. The control information may be processed prior to processing any of the data symbols of the TTI. | 2015-11-12 |
20150326307 | COMMUNICATION SYSTEM, BASE STATION, RELAY NODE AND USER EQUIPMENT - A relay node in a mobile communication network for relaying communications between a base station and a mobile terminal. The relay node includes a communication interface that receives resource allocation information from the base station, the resource allocation information indicating a controllable range of communication resources available to the relay node. The relay node also includes a control unit that controls allocation of resources for communication between the relay node and the mobile station based on the received resource allocation information. The relay node then communicates with the mobile terminal based on the control performed by the control unit. | 2015-11-12 |
20150326308 | CODE DIVISION MULTIPLE ACCESS (CDMA) OVERLAY TO OTHER MULTIPLEXING SCHEME - A wireless apparatus (e.g., wireless access node, wireless device) and a method are described herein that use a block-wise Code Division Multiple Access (CDMA) scheme overlaid to a Time Division Multiple Access (TDMA) structure to communicate over a physical channel with another wireless apparatus (e.g., wireless device, wireless access node). | 2015-11-12 |
20150326309 | Protection for Optical Transport Network with Dual Homed Attachment Circuits - For protecting traffic on paths extending from a source client entity (CE | 2015-11-12 |
20150326310 | TRANSMISSION APPARATUS AND METHOD - A transmission apparatus includes: a storage unit to store a table in which a wavelength terminated by each of transmission apparatuses is associated with each of the transmission apparatuses; a transmission unit to transmit a message including failure information to other transmission apparatus when a failure occurs; a switch controller to determine whether its own transmission apparatus is a last transmission apparatus that terminates the wavelength among transmission apparatuses that are present on a path up to a link where the failure, based on the table, when receiving the message from other transmission apparatus, and to perform a control of switching a transmission direction of a signal having the wavelength when the switch controller determines that its own transmission apparatus is the last transmission apparatus to terminate the wavelength; and a switch to switch a transmission direction of the signal for each wavelength under a control of the switch controller. | 2015-11-12 |
20150326311 | ROGUE OPTICAL NETWORK INTERFACE DEVICE DETECTION - Techniques are described for identifying a rogue network interface device whose laser is not under control of a controller of the network interface device. The techniques identify the rogue network interface device based on reception of a predefined data pattern in a timeslot that is not reserved for any of the network interface devices without needing to disable upstream data transmission from the network interface devices during their assigned timeslots. The techniques also relate to a network interface device determining whether the network interface device is transmitting optical signals at a wavelength different than the wavelength that the OLT to which the network interface device is associated receives. | 2015-11-12 |
20150326312 | COLLISION CONTROL DURING DELAY MEASUREMENT IN OPTICAL TRANSPORT NETWORKS - Methods and systems for collision control during delay measurements in optical transport networks include scheduling delay measurements in time slices of a time window. At most, one delay measurement per time slice is scheduled and performed for each optical data unit (ODU) in an optical transport network (OTN). | 2015-11-12 |
20150326313 | Photo-sensor Array to Adjust Alignment of Optical Receiver - In the context of a balloon network, embodiments described herein may help to maintain an optical communications link between two balloons. For example, an illustrative balloon may include auxiliary photodetectors that are arranged around the photodetector in the balloon's optical receiver system. The balloon may detect intensity differences between the auxiliary photodetectors on opposite sides of an optical receiver, and adjust the positioning in an effort to reduce the intensity difference, and by so doing, better align the optical receiver with the optical transmitter of the transmitting balloon. | 2015-11-12 |
20150326314 | Tandem, Visible Light and RF Communication System - A system having first and second different communication system can include a plurality of illumination devices having modulatable optical output signals. A plurality of building control units are in wireless communications with one another. Representative units could include ambient condition detectors, intrusion detectors, output devices or actuators. At least some of the units include optical sensors responsive to the modulatable optical output signals, and, wherein in responsive to received, modulated optical output signals, the respective control unit carries out a predetermined function. | 2015-11-12 |
20150326315 | Bucket Truck Operational Improvement Apparatus - An insulated bucket truck intercom facilitates safe/reliable bucket-to-cab and bucket-to-ground communications during truck operations, while in close proximity to high voltage power sources/lines. A truck-powered cab transceiver and battery-powered bucket transceiver are selectively interconnected by fiber optic cable to maintain high voltage electrical isolation of at least 10 KV/foot. A hands-free bucket transceiver liberates bucket workers from depressing a PTT button to communicate during repair operations. A PTT cab transceiver prevents stray sounds from distracting bucket workers. Bucket elevation through extension of the telescoping boom, with fiber optic cable secured thereto, is accommodated by a self-storing fiber optic reel assembly positioned at each section. Play in the cable and a spring-loaded pulley member accommodates boom articulation. A cab transceiver radio interface permits interference-free communication between the bucket transceiver and/or the cab transceiver, with a remote walkie-talkie up to 10 miles distant. A sensor warns of imminent truck tipping from boom overreaching. | 2015-11-12 |
20150326316 | REDUCED FIBER COUNT NETWORKS, DEVICES, AND RELATED METHODS - Optical fiber networks, devices, and related methods are disclosed herein. In some aspects, an optical fiber network includes network devices having optical fibers for transmitting and receiving data. In the network, 100% of the optical fibers are utilized end-to-end across the plurality of network devices. Networks herein are also devoid of converters and include only a single direction connection between fibers at interconnect points between devices. Network devices may include ferrules, where at least some of the ferrules are devoid of an optical fiber. A method for providing an optical fiber network includes providing network devices having optical fibers for transmitting and receiving data and transmitting data using 100% of the optical fibers end-to-end across the network devices. | 2015-11-12 |
20150326317 | REMOTE RADIO HEADS HAVING WIRELESS JUMPER CONNECTIONS AND RELATED EQUIPMENT, SYSTEMS AND METHODS - Methods of operating a cellular radio are provided in which a first power supply signal is transmitted from a power supply to a wireless power unit at least in part over a power cable. A second power supply signal is wirelessly transmitted from the wireless power unit to the cellular radio to power the cellular radio. Data is transmitted from a baseband unit that is associated with the cellular radio to a wireless transceiver at least in part over a data cable. This data is wirelessly transmitted from the wireless transceiver to the cellular radio. The data is then transmitted through an antenna that is coupled to the cellular radio. | 2015-11-12 |
20150326318 | RELAY DEVICE, STATION SIDE DEVICE, AND COMMUNICATION SYSTEM AND COMMUNICATION METHOD USING RELAY DEVICE - A relay device of the present invention includes a relay processing unit that relays a downstream frame received by a first transmitting and receiving unit to a second transmitting and receiving unit, and relays an upstream frame received by the second transmitting and receiving unit to the first transmitting and receiving unit; and a control unit that follows upstream multiple access control performed by a station side device in a first line, for transmission of the upstream frame to be transmitted by the first transmitting and receiving unit to the station side device, and independently performs upstream multiple access control for reception of the upstream frame received by the second transmitting and receiving unit from a home side device in a second line. The control unit reports an amount of data that the home side device in the second line will be allowed to transmit, to the station side device in the first line before the data arrives at the second transmitting and receiving unit. | 2015-11-12 |
20150326319 | OPTICAL TRANSCEIVER HAVING AUXILIARY AREA TO INSTALL MACH-ZEHNDER MODULATOR - An optical transceiver for the coherent communication system is disclosed. The optical transceiver follows the standard of the CFP transceiver and installs a wavelength tunable laser diode (LD) as a light source for the optical transmission and a local light for the optical reception; an optical modulator of the Mach-Zehnder type made of dielectric material; and an optical receiver to recover the DP-QPSK optical signal The housing of the optical transceiver provides a front auxiliary area and a rear auxiliary area to install a slender optical modulator and to bend an inner fiber with a large radius. | 2015-11-12 |
20150326320 | OPTICAL SYNTHESIZER TUNING USING FINE AND COARSE OPTICAL FREQUENCY COMBS - Embodiments herein provide for an optical frequency synthesizer including a coarse optical frequency comb, a fine optical frequency comb, and an output laser. The coarse comb is pumped with a first pump laser, and an absolute frequency of at least one tooth of the coarse optical frequency comb is set. The fine comb is pumped with a second pump laser and has a frequency spacing between teeth that is locked to a fractional or integer multiple of a radio frequency reference. Initially, the second pump laser is locked to a first tooth of the coarse optical frequency comb. The optical frequency synthesizer can be tuned by sweeping the second pump laser and locking the second pump laser to a desired tooth. An output signal can then be generated with the output laser based on a tooth of fine comb after the second pump is locked to the desired tooth. | 2015-11-12 |
20150326321 | OPTICAL TRANSMISSION AND RECEPTION APPARATUS AND METHOD FOR UPLINK TRANSMISSION IN ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS-PASSIVE OPTICAL NETWORK (OFDMA-PON) - Provided is an optical transmission apparatus and method for uplink transmission in an orthogonal frequency division multiple access-passive optical network (OFDMA-PON), wherein the optical transmission apparatus includes a digital signal processor to output a baseband orthogonal frequency division multiplexing (OFDM) signal, a tone generator to generate a dithering tone, a synthesizer to synthesize the dithering tone and the baseband OFDM signal, and an optical source to output an output light in which a spectrum width is increased to be greater than a spectrum width of a carrier light based on the baseband OFMD signal synthesized with the dithering tone. | 2015-11-12 |
20150326322 | MONOLITHIC OPTICAL RECEIVER AND A METHOD FOR MANUFACTURING SAME - A monolithic Receiver Optical Sub-Assembly (ROSA) device is provided and a method for producing the device. The device comprises: at least one antenna configured to receive optical signals; at least one rectifier configured to rectify electrical signals being electrical representation of the received optical signals and having frequencies within an optical band range; and at least one amplifier, coupled to the rectifier and configured to amplify rectified electrical signals; and wherein the ROSA is also characterized in being a single monolithic device. | 2015-11-12 |