|| List of recent Transmitter-related patents
|Application system, application server, and program|
A system includes a designation information transmitter and an application installer transmitter. The designation information transmitter is configured to transmit a designation information to a computer.
|Determining spatial orientation information of a body from multiple electromagnetic signals|
A method for determining a spatial orientation of a body, including receiving, by receiving equipment located with the body, at least three electromagnetic signal sets, each of the received signal sets having been transmitted by a different one of at least three separate transmitters at different locations, detecting, for each one of the received signal sets, information that partially defines a direction from the body to the transmitter from which the signal set was received, the detected information including one of two angles that fully define an arrival direction from which the body received the signal set in relation to a body frame, the detected information not including a second of the two angles, and determining the spatial orientation of the body, including yaw, pitch, and roll angles relative to a navigation frame, using the detected information for each one of the received signal sets.. .
|Data communication with interventional instruments|
The invention relates to a data communication system (100) and a method that can particularly be applied for communicating data from a medical instrument like a catheter or a guide-wire via a high-speedlink (101). The system (100) comprises (in-vivo) a slave component (150) with a controllable slave clock (153) and a transmitter (151) for transmitting a data signal (ds) that is clocked by the slave clock signal (clk).
|Systems and methods for measuring and/or analyzing swing information|
In a first aspect, a system for monitoring a swing is provided that includes (1) a swing measurement device adapted to couple to a swinging object and to output a signal indicative of a characteristic of the swinging object; (2) a wireless transmitter coupled to the swing measurement device and adapted to wirelessly transmit the signal output by the swing measurement device; and (3) a wireless device adapted to receive the wirelessly transmitted signal and to provide information regarding the swinging object based on the received signal. The wireless device is a cellular telephone or personal digital assistant (pda).
|System and methods for controlling out-of-network d2d communications|
Embodiments are provided herein for determining a synchronizing master for device-to-device (d2d) communication in a cellular network environment. In an embodiment, a user equipment (ue) receives a discovery signal comprising a timing reference, and determines a transmitter of the discovery signal.
|Apparatus and method for transmitting content in portable terminal|
A method of transmitting contents in a portable terminal is provided. The method includes allowing a portable terminal of a transmitter to be connected to a portable terminal of a receiver by a control communication, allowing the portable terminal of the transmitter to select a type of the data transmission communication with the portable terminal of the receiver through the control communication, allowing the portable terminal of the transmitter to transmit setting data corresponding to the selected type of data transmission communication to the portable terminal of the receiver through the control communication, and allowing the portable terminal of the transmitter to be connected to the portable terminal of the receiver by the control communication and to transmit the content which are requested to be transmitted, to the portable terminal of the receiver..
|Device, computer-readable medium, and method for retaining services|
A portable device includes a processor; a receiver configured to receive a first message, the first message comprising a notification and a first instruction; a transmitter; a display; and a module card. The module card includes a memory, which is configured to store the first message, a toolkit comprising a plurality of commands, and a second instruction.
|Rf amplifier architecture and related techniques|
A radio frequency (rf) power amplifier system or transmitter includes one or more power amplifiers and a controller that is configured to adjust amplitudes and phases of rf input signals of the one or more power amplifiers and supply voltages applied to the one or more power amplifiers. In embodiments where multiple power amplifiers are used, a combiner may be provided to combine outputs of the power amplifiers..
|Transmitter for supporting multimode and multiband using multiple radio frequency (rf) digital-to-analog converters (dac) and control method of the transmitter|
A transmitter configured to support a multimode and a multiband, using radio frequency (rf) digital-to-analog converters (dacs), includes a first rf dac configured to transmit a first signal in a first frequency band, and a second rf dac configured to transmit a second signal in a second frequency band different from the first frequency band. The transmitter further includes an impedance controller configured to adjust impedance of one of the first rf dac and the second rf dac operating in an impedance matching mode to adjust a frequency range of another one of the first rf dac and the second rf dac operating in a data transmission mode..
|Multipurpose wall outlet|
A multipurpose wall outlet that provides electrical power via at least one standard electrical socket (s) and at least one usb port as well as providing a wired and wireless internet connection is disclosed. The multipurpose wall outlet has a housing in which is assembled at least one receiver for receiving a signal from a wireless data network, at least one processor for processing the signal from the wireless data network, at least one electrical socket, at least one usb port, at least one ethernet port, and a transmitter for transmitting a wireless data signal..
|Location-based, radio-device identification apparatus and method|
An apparatus and method is disclosed to receive location data identifying the current location of a vehicle. A database, storing radio device records, is then queried.
|Apparatus and method for the production of food|
A method for the transmission of process data between different devices that are involved in a process for the production of food, in particular devices involved in a filling line, wherein the data communication between two devices takes place exclusively between at least one transmitter of a first device and at least one receiver of a second device, and/or between at least one transmitter of the second device and at least one receiver of the first device.. .
|Systems and methods for satellite communication with mobile platforms|
A method and system for communication with a mobile platform is provided. An antenna system coupled to a transmitter for use in providing a communication channel to a mobile user includes a first linear transmit array of radiating horns, a second linear transmit array of radiating horns, and at least one reflector coupled to at least one of the first linear transmit array and the second linear transmit array, the at least one reflector configured to reflect illumination from the first and second linear transmit arrays to form a communication channel for the mobile user..
|Vibration imparting device for dental use|
A vibrating dental device vibrates a specific tooth in a dentition attached with a bracket, a wire or a mouthpiece as an orthodontic appliance. The vibrating dental device includes a vibration source, a connector connected to the orthodontic appliance, and a vibration transmitter, which transmits vibration generated by the vibration source to the connector.
|Manhole liner having a wireless data transmitter|
The present invention provides an apparatus and method for repairing a manhole. The wall of the manhole is lined with a liner to form a new wall.
|Optical transmitter and bias control method of optical modulator|
An optical transmitter includes: a drive signal generator configured to generate a drive signal from input data; an optical modulator configured to generate an optical signal corresponding to the drive signal; a superimposer configured to superimpose a first reference signal on the drive signal and superimpose a second reference signal on a bias voltage of the optical modulator; a detector configured to detect the first reference signal and the second reference signal included in the optical signal, and generate a first monitor signal indicating intensity and a phase of the detected first reference signal and a second monitor signal indicating intensity and a phase of the detected second reference signal; and a controller configured to control the bias voltage of the optical modulator in a control scheme determined based on the first monitor signal and the second monitor signal.. .
|Pre-equalization using phase correction|
An optical transmitter determines the transfer function in the reference-based pre-equalization for applying to an optically modulated signal at the transmitter. The determined pre-equalization transfer function is made robust to linewidth inaccuracy of the optical source by performing phase correction during the calculation of the pre-equalization transfer function.
|Fiber optic receiver, transmitter, and transceiver systems and methods of operating the same|
A fiber optic receiver system is provided. The fiber optic receiver system includes: (1) a host node including an optical source for transmitting an optical signal; (2) a remote node away from the host node for receiving the optical signal, the remote node including a radio frequency receiver, the remote node also including a converter for converting the optical signal into an electrical signal, the electrical signal providing electrical power for the radio frequency receiver; and (3) a fiber optic cable between the host node and the remote node, the fiber optic cable including an optical fiber for carrying the optical signal..
|Digital audio distribution|
A master transmitter distributes a plurality of audio channels to one or more expansion receivers as a multiplexed audio stream. Control information is also transmitted between the master transmitter and the expansion receivers.
|Active signal processing personal health signal receivers|
The invention provides a receiver associated with a body, e.g., located inside or within close proximity to a body, configured to receive and decode a signal from an in vivo transmitter which located inside the body. Signal receivers of the invention provide for accurate signal decoding of a low-level signal, even in the presence of significant noise, using a small-scale chip, e.g., where the chip consumes very low power.
|Transmitter and transmission method|
A transmitter is capable of suppressing a papr to be low and efficiently amplifying transmit power. The transmitter generates a transmission signal by oversampling a modulated signal, and includes a modulation unit that performs a modulation process on an information sequence and that generates a constant envelope signal and a phase interpolation unit that inserts a predetermined number of signals identical in amplitude to signal points of the constant envelope signal between the signal points so that signal points including original signal points are located equidistantly..
|Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals|
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals comprises an encoder for encoding dp (data pipe) data corresponding to each of a plurality of dps, wherein the each of a plurality of dps carries at least one service component, a mapper for mapping the encoded dp data onto constellations, a time interleaver for time interleaving the mapped dp data at dp level by skipping cells having zero values of the dp data, a frame builder for building at least one signal frame including the time interleaved dp data, a modulator for modulating data in the built at least one signal frame by an ofdm (orthogonal frequency division multiplex) scheme and a transmitter for transmitting the broadcast signals having the modulated data..
|Methods and apparatus for all digital multi-level outphasing using bandwidth reduction|
For use in a transmitter in a wireless network, a transmitter apparatus is configured for digital multi-level outphasing. The apparatus includes a bandwidth reduction (bwr) modulator block configured to receive a phase modulated carrier and reduce a bandwidth of the phase modulated carrier using amplitude modulation.
|Method and system for allocating communication resources|
The present invention relates to a method for allocating communication resources in a multi-user cellular communication system, wherein communication resources are divided in time periods and frequency sub-bands, wherein part of the communication resources are used for frequency-localized communication channels, and part of the communication resources are used for frequency distributed channels the method further comprises the steps of: classifying part of the frequency sub-bands as frequency sub-bands carrying frequency-distributed channels, classifying the remaining part of the frequency sub-bands as frequency sub-bands carrying frequency-localized channels. The present invention also relates to a system, a transmitter and a communication system..
|Fec in cognitive multi-user ofdma|
A multiuser scheme allowing for a number of users, sets of user, or carriers to share one or more channels is provided. In the invention, the available channel bandwidth is subdivided into a number of equal-bandwidth subchannels according to standard ofdm practice.
|Method for accessing a transmission channel in a wireless communication network with a contention window|
The invention relates to a transmission control method of a set of transmitter/receiver systems of a local network comprising n transmitter/receiver systems wishing to transmit at least one data packet via the wireless local network, each transmitter/receiver system wishing to transmit said at least one data packet after a contention period during which a transmitter/receiver is or is not authorised to transmit the data packet of said transmitter/receiver, the method being characterised in that the contention period is broken down into r consecutive contention windows where r≧1, each contention window being broken down into k intervals of equal duration θ followed by an interval of duration δ, each contention window corresponding to a round r of contention; and in that the method comprises a step of determining the number k of intervals and the number r of contention windows, on the basis of the number n of transmitter/receiver systems wishing to transmit at least one data packet via the wireless local network.. .
|Method for setting modulation and coding scheme in wireless ran system and apparatus supporting the same|
A method of transmitting data by a multi-user multiple input multiple output (mu-mimo) transmitter in a wireless local area network system. The method includes transmitting by the mu-mimo transmitter, a physical layer convergence procedure (plcp) protocol data unit (ppdu), the ppdu including a bundled interface field, a modulation and coding scheme (mcs) index field and a data field; and transmitting, by the mu-mimo transmitter, the ppdu to a receiving station.
|Precoding signaling in a mimo wireless communication system|
A method for performing data transmission between a transmitter and a receiver. The method includes the steps of generating a feedback message at the receiver in response to data received from the transmitter, assigning an identifier for the feedback message, storing the feedback message in association with the identifier in the receiver, transmitting the feedback message and the identifier to the transmitter, determining, at the transmitter, transmission format for data to be transmitted to the receiver based on the feedback message received from the receiver; and transmitting data and a control message, by the transmitter, using the determined transmission format, with the control message comprising the identifier of the feedback message based on which the transmission format is determined..
|Addressing multiple communication terminals in a wireless communication network|
The present invention is directed to a communication device of a wireless communication network, the communication device including a message generator configured to generate a beacon message having a traffic indication map (tim) information element (ie), wherein the tim ie includes a partial virtual bitmap field including at least one cluster; a determiner configured to determine for at least one cluster information indicating whether data is available in the communication device to be transmitted to a plurality of communication terminals of the wireless communication network; an encoder configured to determine an encoding mode for the information depending on the information and to encode the information based on the encoding mode; and a transmitter configured to broadcast the beacon message to the plurality of communication terminals corresponding to the at least one cluster. Methods of simultaneously addressing a plurality of communication terminals in the wireless communication network are also disclosed..
|Apparatus for communication using simplex antennas|
An apparatus comprises a duplexer having a transmit port, a receive port, and an antenna port. A transmitter is coupled to the antenna port of the duplexer.
|Method and transceiver for cancelling multi-carrier transmission interference|
A method, an apparatus, and a transceiver for cancelling multi-carrier transmission interference are provided. The method includes: collecting a high order intermodulation signal in radio frequency signals output by a transmitter; processing the high order intermodulation signal so as to generate a first digital signal; establishing a high order intermodulation model by using the first digital signal and a first baseband signal output by the transmitter; generating a second digital signal by using a coefficient of the high order intermodulation model and a second baseband signal output by the transmitter; and counteracting interference in a digital signal output by a receiver with the second digital signal.
|Communication scheme for channel quality information|
The invention relates to a method for receiving and a method for reconstructing channel quality information in a communication system. Further, the invention also provides a transmitter and receiver performing these methods, respectively.
|Systems and methods for high rate ofdm communications|
Messages transmitted between a receiver and a transmitter are used to maximize a communication data rate. In particular, a multicarrier modulation system uses messages that are sent from the receiver to the transmitter to exchange one or more sets of optimized communication parameters.
|Transmitter and receiver for wireless communication using revolution division multiplexing, and signal transmission and reception method thereof|
A signal transmission and reception method includes generating a plurality of electromagnetic wave mode functions having orthogonality in a spatial domain using a plurality of input signals, synthesizing and wirelessly transmitting the generated electromagnetic wave mode functions, receiving a revolution division multiplexing electromagnetic wave having characteristics of phase rotation in directions of an azimuth angle and an elevation angle, and discriminating the electromagnetic wave mode functions through an orthogonal operation, and restoring an output signal through correction of the discriminated electromagnetic wave mode functions.. .
|Optical beam steering for tunable laser applications|
Methods for tuning a transmitter to a selected wavelength are disclosed. A transmitter including a laser array comprising a plurality of lasers spatially offset from one another and each having a laser output having a unique wavelength.
|Optoelectronic sensor for recognizing object edges|
An optoelectronic sensor for recognizing object edges of objects comprises at least three light transmitters which are arranged such that at least two different spacings result between two respective light transmitters. For recognizing an object edge, an evaluation unit is configured to carry out a common evaluation of an image taken by a light receiver of a light spot generated by the transmitted light beams of a first light transmitter and of an image taken by a light receiver of a light spot generated by the transmitted light beams of another light transmitter.
|Highly accurate distance measurement device|
Highly accurate electro-optical time of flight distance measuring device for determining a distance to a target, including a transmitter for sending out a pulse shaped optical radiation to the target as well as a receiver for an optical signal built for turning the optical signal to an electrical signal, and a filter with a transfer function for filtering the electrical signal whereby the filter is built in such a way that its transfer-function is of at least 4th order, in particular 5th or 7th or higher order, so that aliasing is suppressed. Further a waveform-sampler, as an analog-to-digital-converter, for digitalizing the pulse shape from the filtered electrical signal as time- and value-quantized digital data, and a computation means for a numerical evaluation of the distance according to the pulse shape or a pulse shape representing numerical signature from the digital data..
|Image measuring apparatus and image measuring program|
An image measuring apparatus includes an image capturer capturing an image of a measured object and outputting image data; a memory storing a plurality of first measurement data including the image data; a transmitter transmitting the first measurement data stored in the memory; a controller controlling the image capturer, the memory, and the transmitter; and a position control system controlling a position of the image capturer and outputting second measurement data including focus position data of the image capturer. During position control, the controller capturers an image at a predetermined interval and stores in the memory the first measurement data and the second measurement data so as to be associated with each other.
|System and method for motion detection and interpretation|
A motion detection and interpretation system comprising a camera plus an infrared transmitter/receiver paired with a single reflective surface that records image data from two vantage points. The camera is connected to a computer and a display screen.
|Electronic stylus and tracker|
An electronic stylus and a tracker comprises an outer casing body (132), a tracking circuit (40), a data interface (46), an ultrasonic wave receiver (36), and an infrared ray receiver (38). An end of the outer casing body (132) extends to form an accommodating cavity (150) for inserting an electronic stylus (110).
|Automated calibration of multistatic arrays|
A method is disclosed for calibrating a multistatic array having a plurality of transmitter and receiver pairs spaced from one another along a predetermined path and relative to a plurality of bin locations, and further being spaced at a fixed distance from a stationary calibration implement. A clock reference pulse may be generated, and each of the transmitters and receivers of each said transmitter/receiver pair turned on at a monotonically increasing time delay interval relative to the clock reference pulse.
|Apparatus for measuring the position of a vehicle or a surface thereof|
An apparatus is disclosed for measuring the position of a vehicle or a surface thereof on a roadway. The apparatus comprises at least one radar transmitter, which is arranged in a transmitting position above the plane of the roadway and transmits radar beams downwardly, a plurality of radar receivers, which are distributed above the plane of the roadway in different receiving positions at distances from one another, receive reflections of the radar beams from beneath, and convert the reflections into a received signal, and an evaluation device, which is connected to the radar transmitter and the radar receivers and is configured to measure the said position from the transmitting position, the receiving positions and the received signals..
The diaper monitor has a sensor housing that can be slipped into a pocket formed in a diaper at the time of use and secured in place by a pivotal clip. The housing has a pair of conductive strips for sensing wetting of a diaper and a responsive wireless transmitter to emit a responsive signal.
|Scalable digital predistortion system|
The scalable digital predistortion system provides a behavioral model that can be used to model and compensate for the nonlinear distortions of power amplifiers and transmitters. The predistorter and update algorithms make the model/dpd scalable in terms of signal bandwidth and average power, allowing for low complexity update following changes in the signal's bandwidth and/or power level.
|Method and apparatus for registering conditions of performance in a photovoltaic array|
Apparatus and method for registering conditions of performance in a photovoltaic array are provided. A group of neighboring photovoltaic modules may be arranged to sense a reference performance for a respective photovoltaic module of the photovoltaic array.
|Methods and systems for the rapid detection of concealed objects|
The present invention provides for an improved scanning process having microwave arrays comprised of microwave transmitters in radiographic alignment with microwave receivers. The microwave array emits controllably directed microwave radiation toward an object under inspection.
|Wireless charging device|
A wireless charging device includes a transmitter unit containing a transmitter circuit, and a receiver unit detachably connects the transmitter unit and containing a receiver circuit. When the receiver circuit is kept within the induction range of the transmitter circuit, the receiver circuit can generate electricity by induction from the transmitter circuit.
|Differential load detecting method for detecting a wireless power receiver in wireless power network and wireless power transmitter|
A differential load detection apparatus and method are provided for detecting a wireless power receiver in a wireless power network. The differential load detection method includes transmitting first detection power for detecting the wireless power receiver, transmitting second detection power when an impedance variation greater than a first predetermined threshold value and equal to or less than a second threshold value is detected, and waiting for a reception of an advertisement signal according to the transmission of the second detection power from the wireless power receiver..
|Limiting wireless power receiver voltage|
Disclosed are various embodiments for controlling voltage in a wireless power receiver. A wireless power receiver may comprise an electromagnetic coil configured to receive a current induced by a magnetic flux generated by a wireless power transmitter and a comparator configured to compare a voltage generated by the induced current to a threshold voltage indicating a capability of circuitry coupled to the wireless power receiver.
|Smart electronic pet collar system for training and tracking health, location, and accurate activity levels of pets|
This feedback collar (“fc”) is an all-inclusive training, health and accurate activity tracking unit for pets that directly pairs with a pet owner's smart phone, tablet, or other computer-like device that acts as a primary logging unit (“plu”) for storing, accessing and managing data. The fc utilizes an array of sensors, radios and transmitters for logging and communicating information between one or more fcs and one or more plus.
|System and method for detection of nutritional parameters in food items|
A system for measuring nutritional parameters of food items is provided. The system includes a holding cavity.
|Ultrasonic measurement system|
An ultrasonic transducer 101 includes a piezoelectric element 108. A high-temperature mi cable 102 contains strands 110a, 110b connected to the ultrasonic transducer 101, and further includes a metallic sheath 112.
|Terminal apparatus, reading processing system, and non-transitory computer readable medium|
A terminal apparatus includes an acceptance unit, a memory, a display, and a transmitter. The acceptance unit accepts an operation.
|Acoustic access disconnection systems and methods|
An access disconnection system includes: an arterial line; a venous line; a transmitter configured to transmit a sound wave in one of the arterial and venous lines when connected to a patient; a receiver configured to receive the sound wave from the other of the arterial and venous lines when connected to the patient; and electronic circuitry coupled to at least one of the transmitter and receiver, the circuitry configured to send a disconnection output indicative of a change in the sound waves received by the receiver from the transmitter sufficient to expect that an access disconnection of one of the arterial line and venous lines has occurred.. .
|Use of micro- and miniature position sensing devices for use in tka and tha|
A system for assisting in a surgical process, comprising: (a) a surgical device taken from a group consisting of a surgical tool and a surgical implant; (b) a positional sensor carried by the surgical device, the positional sensor including a wireless transmitter and associated circuitry for transmitting sensor data from the transmitter; and (c) a computer system including a wireless receiver and signal conditioning circuitry and hardware for converting sensor data received by the wireless receiver into at least one of (i) audio feedback of positional information for the surgical device and (ii) visual feedback of positional information for the surgical device.. .
|Nanoscale coaxial electrode arrays and methods thereof|
The invention provides novel devices and methods that enable ultrahigh spatial and temporal resolution interfaces that allow access and intervention to local (intra- and proximate extra-neuronal) neuroelectronic and neurotransmitter molecular signatures associated with aberrant cell function and cell death leading to neurodegenerative diseases. Scalable devices based on a unique nanocoaxial electrode array of the invention offer neural recording and control at unprecedented levels of precisions..
|Tethered ball trainer|
A tethered ball trainer includes a body harness having a primary belt, primary support arm, and secondary support structure. Both the primary belt and secondary support structure are attached to a user and the primary support arm.
|Intelligent backhaul radio with adaptive channel bandwidth control|
A intelligent backhaul radio have an advanced antenna system for use in ptp or pmp topologies. The antenna system provides a significant diversity benefit.
|Eyeglasses with electronic components|
A microphone, transmitter, speaker, receiver, and power source, all mounted to an eyeglasses frame, for sending and receiving signals wirelessly to and from a remote cell phone or other electronic device. The microphone and the transmitter can be mounted to extension arms that can be extended, pivoted, or otherwise moved to a position for use, and then moved to a stored position when not in use.
|Method and apparatus for beamforming|
An example method of tactical communication is provided. The method includes receiving information indicating a tactical situation associated with a target area.
A pressure resistant, impact resistant, and corrosion resistant electromagnetic transmitter for pipeline uses and other applications. During use, the ferromagnetic core, the electromagnetic windings, and the other electromagnetic transmission components of the transmitter are entirely contained and sealed within a rugged outer housing..
|Toy stuffed animal with remote video and audio capability|
A toy stuffed animal with remote video and audio capability that includes a camera configured to capture video data through at least one eye, a first microphone disposed within the toy configured to capture audio data emitted proximal the toy, and a first transmitter in wireless communication with a second receiver disposed within a handheld communicator, wherein video and audio data captured from scenes proximal the toy are wirelessly communicable to the communicator and remotely payabale thereon by means of a display and a second speaker, respectively, whereby depression of a talk button upon the communicator enables transmission of audio signals received through a second microphone and relayed through a second transmitter in the communicator back to a first receiver in the toy, whereby said signals are playable upon a first speaker disposed within the toy so that the toy appears to speak sensibly and intelligently in response to stimuli.. .
|Wireless based marine pathogens detection system|
Embodiments of the present invention provide antibody functionalized high electron mobility transistor (hemt) devices for marine or freshwater pathogen sensing. In one embodiment, the marine pathogen can be perkinsus marinus.
|Reconfigurable optical transmitter|
Embodiments of the invention describe apparatuses, optical systems, and methods for utilizing a dynamically reconfigurable optical transmitter. A laser array outputs a plurality of laser signals (which may further be modulated based on electrical signals), each of the plurality of laser signals having a wavelength, wherein the wavelength of each of the plurality of laser signals is tunable based on other electrical signals.
|Optical communication system, optical transmitter, and optical receiver|
An optical communication system includes an optical transmitter, and an optical receiver connected via a transmission line to the optical transmitter, in which system the optical transmitter transmits a continuous-wave light signal that enables beat detection when combined with a local oscillator signal in the optical receiver, and the optical receiver acquires a beat waveform through digital sampling by detecting the light signal using the local oscillator signal, performs frequency analysis on digitally sampled data having the beat waveform prior to demodulation, and controls the local oscillator frequency based upon the beat frequency.. .
|Reducing phase noise associated with optical sources|
An optical transmitter may include an optical source to provide a first optical signal having a varying frequency; an optical circuit to receive a portion of the first optical signal and provide a second optical signal corresponding to a change in frequency of the first optical signal; a photodetector to receive the first optical signal and provide an electrical signal that is indicative of the change in frequency of the first optical signal; an integrator to receive the electrical signal and provide an inverted electrical signal; and a controller to process the inverted electrical signal and provide a current, associated with the inverted electrical signal, to the optical source. The optical source may reduce the phase noise associated with the first optical signal based on the current..
|Synchronous data transmission system|
A synchronous data transmission system for transmission of data between two communication partners, of which one serves as a transmitter and one as a receiver, comprising a clock signal producer which produces a transmission clock signal with a transmission clock signal rate from the transmitter to the receiver, which during the occurrence of one of the events equals an event specific transmission clock signal rate associated with the arising event and during an event free period of time equals a fundamental clock rate different of all event specific transmission clock signal rates.. .
|A self-synchronizing probe sequence|
A method comprising modulating a plurality of synchronized signals by an orthogonal probe sequence (ops) to generate a plurality of modulated synchronized signals, wherein the ops comprises a zero element (0-element) column that indicates a start or an end of the ops, and concurrently transmitting, using one or more transmitters, the plurality of modulated synchronized signals over a duration of a number of discrete multi-tone (dmt) symbols, wherein each of the plurality of modulated synchronized signals is intended for one of a plurality of receivers that are remotely coupled to the one or more transmitters via a vectored group of subscriber lines, and wherein the 0-element column causes all of the plurality of modulated synchronized signals to have a zero-amplitude during a first or a last of the dmt symbols.. .
|Transmitter front-end device for generating output signals on basis of polyphase modulation|
The invention relates to a transmitter front-end device for generating output signals representing a digital stream, wherein the device has at least one first input for a first input signal and at least one second input for a second input signal, with the first input signal and the second input signal representing a complex data signal of the digital stream and being intended to influence an output signal of the transmitter front-end device. Furthermore, the transmitter front-end device has at least one phase generation device which generates at least one additional phase signal on the basis of the first input signal and the second input signal, with at least 3 phase signals being outputted by the phase generation device with different phases with respect to each other, at least one modulator that is set up such that it generates a complementary phase signal pair from a received phase signal, with each of the at least 3 phase signals being processed by an associated modulator into a corresponding complementary phase signal pair.
|Crest factor reduction for frequency hopping modulation schemes and for hardware acceleration of wideband and dynamic frequency systems in a wireless network|
A transmitter for use in a wireless communication network of frequency agile signals is provided. The transmitter includes a frequency hop (fh) machine.
|Multi-mode transmitter for highly-spectrally-efficient communications|
A transmitter may comprise a symbol mapping circuit that is configurable to operate in at least two configurations, wherein a first of the configurations of the symbol mapping circuit uses a first symbol constellation and a second of the configurations of the symbol mapping circuit uses a second symbol constellation. The transmitter may also comprise a pulse shaping circuit that is configurable to operate in at least two configurations, wherein a first of the configurations of the pulse shaping circuit uses a first set of filter taps and a second of the configurations of the pulse shaping circuit uses a second set of filter taps.
|Method and transmitter for transmitting signal and receiver thereof in wireless communication system|
A transmitter includes a layer mapper and a precoder. The layer mapper is configured to map 2 codewords to 3 layers to output a mapped set of 3 symbols.
|Communication node suitable for receiving and/or transmitting radio communications according to at least one first and one second communications protocol simultaneously|
A communication node receiving and/or transmitting radio communications according to a first and a second communication protocol simultaneously. It has a first, second, respectively digital processing stage performing operations specific to the first, second protocol, respectively, operating in parallel.
Satellite communication systems utilize spreading by repetition techniques, including block repetition, to enable operation at low signal to noise conditions. A carrier frequency offset between a transmitter and a receiver results in phase offsets between repetitions.
|Semiconductor device, receiver, transmitter, transceiver and communication system|
A semiconductor device, includes a clock and data recovery unit to which a receive signal is inputted and which extracts, based on an operation clock signal, a clock signal and a data signal from the receive signal, a frequency error adjusting unit which generates a frequency error signal indicating a frequency error between the clock signal extracted from the receive signal and the operation clock signal, an operation clock generation unit which controls, based on the frequency error signal, a frequency of the operation clock signal, and a spread spectrum clock generator (sscg) unit which varies the frequency of the operation clock signal by the sscg unit based on the frequency error signal.. .
|Power decision pilot for wireless communication|
Techniques for transmitting power decision pilots are described. A transmitter (e.g., a base station or a ue) may transmit a power decision pilot to indicate a transmit power level that it will use on subsequent time-frequency resources.
|High capacity wireless communications systems and methods|
Systems and methods for efficiently transmitting information over a wireless network segment are provided herein. An exemplary method may include separating, via a transmitter, digital fronthaul data into general information and radio signal information, transmitting the general information over the wireless network segment from the transmitter to a receiver on a first communications channel, and transmitting the radio signal information over the wireless network segment from the transmitter to the receiver on a second communications channel..
|Transmit opportunity (txop) based channel reuse|
A method includes determining, at a first transmitter, a clear channel access (cca) threshold associated with reuse of a first transmit opportunity (txop) of a message. The method further includes sending, from the first transmitter to a first receiver, at least a portion of the message, wherein the portion of the message indicates the cca threshold..
|Transmit opportunity (txop) based channel reuse|
A method includes sending, from a first transmitter to a first receiver, a request to send (rts) message associated with a first transmit opportunity (txop). The rts message requests the first receiver to indicate whether reuse of the first txop is permitted.
|Transmit opportunity (txop) based channel reuse|
A method includes determining, at a first transmitter, whether to permit reuse of a first transmit opportunity (txop) associated with a message. The method further includes sending a portion of the message from the first transmitter to a first receiver.
|Method and apparatus for measuring and feeding back channel information in communication system using beam forming|
A method of feeding back channel information by a receiver in a communication system beam forming is provided. The method includes determining an optimum reception beam using intensities of reference signals received through transmission beams of a base station for a first period through a first path for mapping analog beams of an input signal, and determining an optimum transmission beam of the transmission beams using intensities of reference signals received through the optimum reception beam for a second period through a second path for mapping analog beams of the input signal, and transmitting channel information measured by using a reference signal received through the optimum transmission beam and the optical reception beam to a transmitter..
|Method and apparatus for conveying demodulation pilot information in a multi antenna wireless communication system|
A radio network node (28) comprises a transmitter/receiver (48, 82, 93) configured to communicate over an air interface (32) with a wireless terminal (30); a scheduler (46, 84); and a order signal determination means (46, 62, 84). The scheduler (46, 84) schedules pilot signals, including common pilot signals transmitted for channel estimation, for transmission over the air interface to the wireless terminal.
|Explicitly sounding beyond the beamformee sounding capability|
A first device explicitly sounds a wireless channel with respect to a second device even when the second device cannot sound all the antenna/transmit paths of the first device. The first device has a first plurality of antennas and corresponding transmitters and the second device has a second plurality antennas and corresponding receivers.
|Maintaining high signal quality in mobile wireless networks using signal relative importance values|
A computer-automated method is described for identifying and carrying out reconfiguration actions for a transmitter in a radio network. A computer system is configured to determine, for a first transmitter, a multitude of relative importance values for signal data points relating to the first transmitter, the signal data points being acquired by mobile wireless devices from the first transmitter.
|Systems and methods for traffic-aware medium access selection|
Diverse traffic types can be efficiently communicated in a simultaneous manner by dynamically selecting between contention-based and scheduling-based media access control (mac) communication schemes. Such a mechanism may be particularly beneficial in networks having a contention-based access resources and scheduling based access resources.