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Multiplexing patents



      
           
This page is updated frequently with new Multiplexing-related patent applications. Subscribe to the Multiplexing RSS feed to automatically get the update: related Multiplexing RSS feeds. RSS updates for this page: Multiplexing RSS RSS


Spatial recognition of rfid tag placement using antenna multiplexing

Optical semiconductor device

Scan test circuitry comprising at least one scan chain and associated reset multiplexing circuitry

Date/App# patent app List of recent Multiplexing-related patents
07/17/14
20140201798
 Video multiplexing apparatus, video multiplexing method, multiplexed video decoding apparatus, and multiplexed video decoding method patent thumbnailnew patent Video multiplexing apparatus, video multiplexing method, multiplexed video decoding apparatus, and multiplexed video decoding method
A video multiplexing apparatus includes: a control unit which determines first decode/display time information and second decode/display time information for each picture in video data and for each encoding unit of first media data; a video packet generating unit which appends the first and second decode/display time information for the picture to encoded data of the video data; and a media packet generating unit which appends the first and second decode/display time information for the encoding unit to encoded data of the first media data. The first decode/display time information is used when the decoding unit of the video data is a picture, and the second decode/display time information is used when the decoding unit is a sub-picture.
07/17/14
20140201584
 Scan test circuitry comprising at least one scan chain and associated reset multiplexing circuitry patent thumbnailnew patent Scan test circuitry comprising at least one scan chain and associated reset multiplexing circuitry
An integrated circuit comprises scan test circuitry and additional circuitry subject to testing utilizing the scan test circuitry. The scan test circuitry comprises at least one scan chain having a plurality of scan cells.
07/17/14
20140200900
 Encoding device and method, decoding device and method, and program patent thumbnailnew patent Encoding device and method, decoding device and method, and program
A qmf sub-band power calculation unit calculates power of a qmf sub-band signal of a high frequency qmf sub-band among a plurality of the qmf sub-bands constituting an input signal. A high frequency sub-band power calculation unit carries out an operation to weight more a qmf sub-band power having larger power as for a sub-band including a number of the high frequency qmf sub-bands to calculate high frequency sub-band power of the sub-band.
07/17/14
20140199944
 Touch-screen terminal and method and system for near-field communication patent thumbnailnew patent Touch-screen terminal and method and system for near-field communication
A touch-screen terminal, method and system for near-field communication are provided. The touch-screen terminal includes a touch sensor, the touch sensor includes multiple driver electrodes and inductive electrodes disposed on a substrate to form capacitor structures.
07/17/14
20140199074
 Orthogonal frequency division multiple access-passive optical network comprising optical network unit and optical line terminal patent thumbnailnew patent Orthogonal frequency division multiple access-passive optical network comprising optical network unit and optical line terminal
An orthogonal frequency division multiple access-passive optical network including a plurality of optical network units each configured to generate orthogonal frequency division multiplexed signals, which are allocated thereto, based on a central frequency for frequency division multiplexing that is allocated in advance, and to use the generated signals in upstream transmission.. .
07/17/14
20140199073
 Channel estimation in optical communication based on orthogonal frequency division multiplexing patent thumbnailnew patent Channel estimation in optical communication based on orthogonal frequency division multiplexing
Techniques for optical communications using optical orthogonal frequency division multiplexing (ofdm) include operating a signal transmitter to modulate laser light to produce modulated light that carries, in optical domain, ofdm subcarriers for carrying communication information, without a frequency guard band between the ofdm subcarriers, and pilot subcarriers for channel estimation at a signal receiver, each pilot subcarrier being free of communication information, and controlling optical power of the pilot subcarriers to vary with optical frequencies of the pilot subcarriers so that optical power of a pilot subcarrier at a high optical frequency is different from optical power of another pilot subcarrier at a low optical frequency.. .
07/17/14
20140199068
 Optical polarization demultiplexing for a coherent-detection scheme patent thumbnailnew patent Optical polarization demultiplexing for a coherent-detection scheme
An optical receiver having a plurality of optical iq modulators arranged in a butterfly configuration and configured to operate as an optical polarization de-multiplexer. The optical receiver further has (i) an opto-electric circuit configured to apply optical homodyne detection to an optical input signal received by the optical receiver and (ii) a controller configured to generate one or more control signals for driving the iq modulators of the plurality based on one or more electrical feedback signals received from the opto-electric circuit..
07/17/14
20140199066
 Mode multiplexing optical communication system patent thumbnailnew patent Mode multiplexing optical communication system
An optical communication system is disclosed. The optical communication system comprises an optical transmitter and a substantially circular multi-mode optical fiber.
07/17/14
20140199065
 Multimode multiplexing patent thumbnailnew patent Multimode multiplexing
A system includes a transmitter to multiplex a plurality of modulated optical signals and an unmodulated optical signal and to transmit the plurality of modulated optical signals and the unmodulated optical signal along a transmission path. The system also includes a receiver to de-multiplex each of the plurality of modulated optical signals and the unmodulated optical signal and to demodulate each of the plurality of modulated optical signals with the unmodulated optical signal to coherently detect a modulating signal from each of the plurality of modulated optical signals..
07/17/14
20140198874
 Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals patent thumbnailnew patent Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals
The object of the present invention can be achieved by providing a method of transmitting broadcast signals including encoding data pipe, dp, data, wherein the encoding further includes forward error correction, fec, encoding the dp data, bit interleaving the fec encoded dp data and mapping the bit interleaved dp data onto constellations; building at least one signal frame by mapping the encoded dp data; and modulating data in the at least one built signal frame by an orthogonal frequency division multiplexing, ofdm, method and transmitting the broadcast signals having the modulated data, wherein each of the at least one signal frame includes at least one preamble having repeated at least one signaling information.. .
07/17/14
20140198865
new patent Ofdm pilot and frame structures
A coax network unit (cnu) receives a first plurality of orthogonal frequency-division multiplexing (ofdm) symbols from a coax line terminal (clt). The first plurality of ofdm symbols includes continual pilot symbols on one or more subcarriers.
07/17/14
20140198778
new patent Hopping master in wireless conference
A first radio has duplex communication with a second radio and a third radio, without using a base station by using a multiple-access protocol system. The first radio is configured to switch back and forth between being a master radio and a slave radio in the multiple-access protocol system.
07/17/14
20140198764
new patent Systems and methods for generating a discovery signal in a device-to-device or network communication
The techniques introduced here provide for device discovery of a greater number of mobile devices in a mobile network by increasing the multiplexing capacity of the system. The techniques may be applied to device-to-device communication networks and small cells using low power nodes (e.g., pico and femto enodeb in a 3gpp lte or lte advanced network).
07/17/14
20140198709
new patent Distributed satcom aperture on fishing boat
Embodiments of a mobile communications system to service multiple users in fishing boats over same spectrum in a communication satellite network and a method for the system are generally described herein. Signals of data streams for transmission to user equipment (ue) in spoke-and-hub configurations will utilize multiple transponders of satellites.
07/17/14
20140198689
new patent Apparatus and method for mixed signal spread spectrum receiving technique
An apparatus and method for mixed signal spread spectrum receiving and spectrum aggregation in a receiver having at least one antenna respectively receiving at least one signal are provided. The method includes modulating the at least one signal received by the receiver with at least one unique orthogonal pseudorandom (pn) code, downconverting the at least one modulated signal into at least one baseband signal, combining the at least baseband signal into an overlaid baseband signal and filtering the overlaid baseband signal, converting the overlaid baseband signal from an analog signal into a digital baseband signal, splitting the digital baseband signal into a plurality of signal paths each having the entirety of the digital baseband signal, applying one of the at least one unique orthogonal pn code to each of the plurality of signal paths, and multiplexing the plurality of signal paths into a combined digital baseband signal..
07/17/14
20140198540
new patent Integrated switch mode power supply controller and switch mode power supply using the same
In one embodiment, an integrated switch mode power supply controller can include: a multiplexing pin that receives a detection voltage signal; a switch mode power supply that receives a dc input voltage, and operates in a switching cycle having first, second, and third time intervals; during the first time interval, the detection voltage signal is proportional to the dc input voltage, and a current compensation signal is generated according to the detection voltage signal to obtain a peak inductor current; during the second time interval, the detection voltage signal is proportional to an output voltage of the switch mode power supply, and a discharging duration of current through the inductor is determined based on the detection voltage signal; and during the third time interval, the detection voltage signal is proportional to a voltage across a power transistor of the switch mode power supply.. .
07/17/14
20140198378
new patent Optical semiconductor device
An optical semiconductor device includes: semiconductor lasers; a wave coupling section multiplexing light output by the semiconductor lasers; first optical waveguides respectively optically connecting respective semiconductor lasers to the wave coupling section; a phase regulator regulating phase of reflected light that is reflected at a reflecting point located in the optical semiconductor device and that returns to the semiconductor lasers; a second optical waveguide optically connecting the wave coupling section to the phase regulator; an optical amplifying section amplifying output light of the phase regulator; and a third optical waveguide optically connecting an output of the phase regulator to the optical amplifying section. The phase regulator adjusts the phase of reflected light that returns to the semiconductor lasers to decrease line width of the light output by the semiconductor lasers..
07/17/14
20140197991
new patent Spatial recognition of rfid tag placement using antenna multiplexing
A system to determine the placement of multiple rfid tags uses multiple antennae. The rf communication (or nfc) includes read and/or read/write communication with the rfid tags..
07/10/14
20140196095
Server and client processing multiple sets of channel information and controlling method of the same
A technical method related to a server and a client processing multiple sets of channel information is disclosed. Herein, an apparatus of processing multiple channel information according to an exemplary embodiment of the present invention includes a decoder decoding encoded data received from a server, a demultiplexer demultiplexing video data, audio data and metadata for each channel from the decoded data, a controller extracting video data, audio data and metadata for a channel group for on-screen display (osd) data, the channel group including one or more channels, an osd generator generating osd data based on the extracted video data, audio data and metadata for the channel group, and a display module displaying the generated osd data on a predetermined section along with a broadcast screen of a currently selected channel..
07/10/14
20140195879
Apparatus for transmitting broadcasting signal, apparatus for receiving broadcasting signal, and method for transmitting/receiving broadcasting signal through apparatus for transmitting/receiving broadcasting signal
A transmitter and method of processing broadcast data are discussed. In one embodiment, the method includes forward error correction (fec) encoding physical layer pipe (plp) data at a first code rate; fec encoding first signaling data at a second code rate; fec encoding second signaling data at a third code rate; time interleaving the fec-encoded plp data; frequency interleaving the time-interleaved plp data by a pair of consecutive cells; and modulating the frequency-interleaved plp data, the fec-encoded first signaling data, and the fec-encoded second signaling data by an orthogonal frequency division multiplexing (ofdm) method, wherein the first signaling data include fec type information of the second signaling data and wherein the second signaling data include fec type information and the first code rate used by the plp data..
07/10/14
20140195094
Microcrawler and conveyor robots, controllers, systems, and methods
Robots, controllers, systems, and methods for microcrawler robots (e.g., with stick-slip gaited locomotion and/or with power multiplexing between actuators).. .
07/10/14
20140194130
Methods and apparatus for efficient co-existence of macro and small cells
A femto base station (bs) maintains two different timings: a femto bs downlink timing and a femto bs uplink timing. A femto base station's uplink reference timing is based on the macro uplink timing being used by one or more ue devices in the local vicinity of the femto bs.
07/10/14
20140193154
Subchannel security at the optical layer
The present invention includes various novel systems and methods for dynamically modifying wdm transmission and receive steps (individually or in combination), including encoding client signals, mapping them to subchannels within or across itu channels, modulating them onto subcarrier frequencies, and multiplexing them together for optical transmission. By dynamically modifying one or more of these processing steps over time (as well as encrypting underlying client signals), additional security is provided at the physical (optical) layer of an optical network, thereby greatly enhancing overall network security.
07/10/14
20140193153
Methods and apparatus to multiplex light signals
Methods and apparatus to multiplex light signals are disclosed herein. An example method includes conveying a first light signal via a first optical path and conveying a second light signal via a second optical path.
07/10/14
20140192932
Method and system for implementing a single weight spatial multiplexing (sm) mimo system
Certain aspects of the method may comprise generating at least one control signal that may be utilized to control at least a first of a plurality of received spatially multiplexed communication signals. An amplitude and/or phase of the first received spatially multiplexed communication signal may be adjusted via the generated control signal so that the amplitude and/or phase of the first received spatially multiplexed communication signal may be equivalent to an amplitude and/or phase of a second received spatially multiplexed communication signal.
07/10/14
20140192912
Device triggered wake up of powerline communication devices
A first network device detects at least a first orthogonal code included in a preamble of a network packet received at the first network device from a second network device in an orthogonal frequency division multiplexing (ofdm) communication network. The first network device determines whether the first orthogonal code included in the preamble is associated with an assigned orthogonal code for the first network device.
07/10/14
20140192848
Sending information at a band edge within an orthogonal frequency-division multiplexing (ofdm) symbol
Technology is discussed for increasing the spectral efficiency of an orthogonal frequency-division multiplexing (ofdm) symbol. Spectral efficiency can be increased by adding information to a band edge of the ofdm symbol in connection with measures taken to reduce oob spectral leakage from the ofdm symbol.
07/10/14
20140192768
Method for transmitting signal using multiple antennas
Disclosed is a method for transmitting radio frequency signals. In the method according to the present invention, a plurality of antenna groups may be arranged for achieving array gain and multiplexing gain at the same time, and the plurality of antenna groups are located far from each other so that they have no correlation, and antennas of the same group are located adjacent to each other so that they have correlation.
07/10/14
20140192750
Method and apparatus for transmitting reference signal in multi-antenna system
Provided are a method and apparatus for transmitting a reference signal in a multi-antenna system. A terminal generates a plurality of reference signal sequences to which cyclic shift values different from each other are allocated, generates an orthogonal frequency division multiplexing (ofdm) symbol to which the plurality of reference signal sequences are mapped, and transmits the ofdm symbol to a base station through a plurality of antennas.
07/10/14
20140192175
Multi-person stereo display system
The multi-person stereo display system permits several independent viewers to see different stereo images on a single projection surface. This is accomplished through the innovative use of video multiplexing, software, control electronics, and special viewing glasses.
07/10/14
20140192171
Method for displaying three-dimensional integral images using mask and time division multiplexing
A method for displaying three-dimensional integral images using a mask and a time division multiplexing which is configured in such a way that a three-dimensional image is displaced in a space as an element image obtained from a three-dimensional object is passed through a lenslet and a mask, the mask consisting of a blocking region through which an element image does not pass and a transmission region through which an element image passes, for thereby displaying three-dimensional images. The present invention is advantageous to play back a three-dimensional image the resolutions of which are enhanced in a depth-based integral imaging method using a time division display of an element image and a masked image..
07/10/14
20140191931
Flat panel display device
A flat panel display device includes a pixel unit having scan-lines, data-lines, and first through third pixels that are coupled to the scan-lines and the data-lines, a scan driver that applies a scan signal to the pixel unit, a data driver that selectively applies a first data signal, a second data signal, a third data signal, and an initialization signal to the pixel unit, a demultiplexing unit having at least one demultiplexer that applies the first data signal, the second data signal, and the third data signal to the first pixels, the second pixels, and the third pixels, respectively, and that simultaneously applies the initialization signal to the first through third pixels, and a timing control unit that controls the scan driver, the data driver, and the demultiplexing unit.. .
07/10/14
20140191805
N-way doherty distributed power amplifier with power tracking
A power amplifier using n-way doherty structure with adaptive bias supply power tracking for extending the efficiency region over the high peak-to-average power:ratio of the multiplexing modulated signals such as wideband code division multiple access and orthogonal frequency division multiplexing is disclosed. In an embodiment, present invention uses a dual-feed distributed structure to an n-way doherty amplifier to improve the isolation between at least one main amplifier and at least one peaking amplifier and, and also to improve both gain and efficiency performance at high output back-off power.
07/03/14
20140189455
System for reducing peak power during scan shift at the global level for scan based tests
A method for reducing peak power during a scan shift cycle is presented. The method comprises multiplexing a test clock with a functional clock on a integrated circuit at the root of a clock tree.
07/03/14
20140186023
Apparatus for modular implementation of multi-function active optical cables
Apparatus enabling modular implementation of active optical cable (aoc) with multiple integrated functions including: integration of different types of data on the aoc via media conversion; distribution of electrical power over the aoc; electrical multiplexing data channels for optical fibers; integration of voltage regulators enabling aoc operation at different supply voltages; integration of voltage regulators to provide stable, low noise power source; ruggedized, blind-mateable electrical connectors; integration of electronics and optoelectronics inside a connector backshell; implementation of health monitoring and test channel enabling monitoring, test, and control of both ends of the aoc and monitoring and control of upstream systems and components; and enabling a form, fit, function replacement of existing electrical cables to improve swap, electromagnetic interference resiliency, length-bandwidth product, electromagnetic pulse resistance, signal integrity, system reliability, testability and maintenance. Aocs are customized for different connectors, pin-outs, electrical data combinations, power distribution and power supplies with minimal redesign/requalification..
07/03/14
20140185810
Object-based 3-dimensional audio service system using preset audio scenes
Provided are an object-based three dimensional (3-d) audio service system using preset audio scenes and a method thereof. The system and the method are suggested for enabling a user to easily and conveniently watch and listen an object based 3-d audio service by eliminating inconvenience that requires a user to control each of object audio signals of sound sources.
07/03/14
20140185722
System and method for optimizing use of channel state information
The present invention relates to a combiner, channel identifier, orthogonal frequency division multiplexing ofdm receiver and method for optimizing use of channel state information of a received signal. The method comprises analyzing a received signal in a time domain and extracting from the received signal characteristics of a communication channel.
07/03/14
20140185705
Digital broadcasting system and method of processing data
A digital broadcasting system including a transmitting system and a receiving system, and a method of processing data are disclosed. A method of processing data of a transmitting system includes sequentially grouping n number of columns (kc) configured of a number of enhanced data bytes having information included therein, thereby creating a frame having a size of n (rows)*kc (columns), wherein n and a are integers, encoding the created frame, and multiplexing and transmitting enhanced data included in the encoded frame and main data..
07/03/14
20140185699
Data transmission method and system, transmitter, and receiver
A data transmission method and system, transmitter and receiver. The method includes: mapping, by a transmitter, a plurality of data streams to a plurality of antennas of the transmitter by using precoding matrices and transmitting the plurality of data streams to a receiver via the plurality of antennas, wherein the transmitter selects the precoding matrices by taking a resource block as a granularity.
07/03/14
20140185695
Methods and arrangements for communications in low power wireless networks
Embodiments may comprise an orthogonal frequency division multiplexing (ofdm) system operating in the 1 ghz and lower frequency bands. In many embodiments, the physical layer logic may implement repetition logic to repeat portions of the data streams to increase the ability of a receiving device to detect and decode the data streams.
07/03/14
20140185692
Method of multiplexing h.264 elementary streams without timing information coded
Embodiments of the present invention multiplex elementary streams without timing information coded to create a transport stream. In some embodiments, ‘n’ number of access units are constructed and pushed into a list one by one.
07/03/14
20140185662
Methods and arrangements for phase tracking for multi-mode operation in wireless networks
Logic may comprise a single phase tracking implementation for all bandwidths of operation and the logic may adaptively change pre-defined and stored track parameters if the receiving packet is 1 mhz bandwidth. Logic may detect a packet and long training fields before performing a 1 mhz classification.
07/03/14
20140185654
Orthogonal freequency division multiplexing-code division multiple access system
An orthogonal frequency division multiplexing (ofdm)-code division multiple access (cdma) system is disclosed. The system includes a transmitter and a receiver.
07/03/14
20140185589
Radio base station and user equipment and methods therein
The ue maps the block of bits to a sequence of complex valued modulation symbols. The ue block spreads the sequence across discrete fourier transform spread-orthogonal frequency division multiplexing (dfts-ofdm) symbols.
07/03/14
20140185578
Method and device for transmitting/obtaining control information in wireless communication system
An embodiment of the present invention relates to a method of obtaining control information through an enhanced physical downlink control channel (e-pdcch) by a terminal in a wireless communication system. The method includes performing blind decoding on a common searching space in a set of first resource blocks on a subframe; and performing blind decoding on a terminal-specific searching space in a set of second resource blocks on the subframe, wherein a first start orthogonal frequency division multiplexing (ofdm) symbol of an e-pdcch resource region including the common searching space in the set of first resource blocks and a second start ofdm symbol of an e-pdcch resource region including the terminal-specific searching space in the set of second resource blocks are set individually..
07/03/14
20140185576
Pdsch assignment indication for fdd scell ack/nack transmission
A pico network node sends to a ue an allocation of physical downlink shared channel pdsch subframes on the scell. The allocation has control signaling indicating a number of the allocated pdsch subframes that lie within a multiplexing window.
07/03/14
20140185364
Methods and apparatus for designing and constructing multi-port memory circuits
Static random access memory (sram) circuits are used in most digital integrated circuits to store data. To handle multiple memory users, an efficient dual port six transistor (6t) sram memory cell is proposed.
06/26/14
20140181331
Reconfigurable memory controller
Embodiments of a memory controller are described. This memory controller includes signal connectors, which are electrically coupled to a communication path that includes multiple links, and an interface circuit, which is electrically coupled to the signal connectors.
06/26/14
20140180987
Time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a neural network
Embodiments of the invention relate to a time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a neural network. One embodiment comprises maintaining neuron attributes for multiple neurons and maintaining incoming firing events for different time steps.
06/26/14
20140180984
Time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a universal substrate of adaptation
Embodiments of the invention relate to a time-division multiplexed neurosynaptic module with implicit memory addressing for implementing a universal substrate of adaptation. One embodiment comprises a neurosynaptic device including a memory device that maintains neuron attributes for multiple neurons.
06/26/14
20140179423
Video game display system and related method of using a portable computing device to control game play in video games displayed on a wireless display
A method of using a portable computing device to control game play in video games displayed on a wireless display includes executing a video game control application and selecting a video game to be run on the portable computing device, displaying a control interface of the video game control application on a screen of the portable computing device, and receiving input signals from a user of the portable computing device via the control interface of the video game control application for controlling game play in the selected video game. The method also includes rendering, encoding, and multiplexing the video data corresponding to the selected video game as the selected video game is played according to the received input signals.
06/26/14
20140179334
Systems and methods for exploiting inter-cell multiplexing gain in wireless cellular systems via distributed input distributed output technology
Systems and methods are described for exploiting inter-cell interference to achieve multiplexing gain in a multiple antenna system (mas) with multi-user (mu) transmissions (“mu-mas”). For example, a mu-mas of one embodiment comprises a wireless cellular network with multiple distributed antennas operating cooperatively to eliminate inter-cell interference and increase network capacity exploiting inter-cell multiplexing gain..


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Multiplexing topics: Multiplexing, Frequency Division Multiplexing, Transceiver, Data Acquisition, Lens Array, Coding Method, Communication System, Compatibility, Video Play, Time Division Multiplexing, Frequency Band, Terminal Device, Spatial Multiplexing, Base Station

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