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Multiplex patents



      
           
This page is updated frequently with new Multiplex-related patent applications.



Date/App# patent app List of recent Multiplex-related patents
02/04/16
20160037567 
 Cellular feedback transmission for user equipments enabling device-to-device communications patent thumbnailnew patent Cellular feedback transmission for user equipments enabling device-to-device communications
This disclosure generally relates to cellular feedback transmission for the user equipments enabling d2d communications. In one embodiment, the cellular uplink feedback and the d2d signals may be multiplexed in the same d2d subframe.
Microsoft Corporation


02/04/16
20160037514 
 Enhanced node b (enb) and  mtc coexistence patent thumbnailnew patent Enhanced node b (enb) and mtc coexistence
Embodiments of a machine-type communication (mtc) user equipment (ue) and methods for configuring a mtc ue using an evolved node b (enb) are generally described herein. A method for configuring a ue for communication performed by circuitry of an evolved node b (enb) may include broadcasting, from the enb, a physical downlink control channel (pdcch) transmission on a licensed band, transmitting, from the enb to the ue, a physical broadcast channel (pbch) transmission multiplexed with a machine-type communication (mtc) pbch (m-pbch) transmission, the m-pbch transmission including a mtc master information block (m-mib) in a mtc region of the licensed band, wherein the mtc region includes a subset of frequencies of the licensed band, and transmitting, from the enb to the ue, a first data transmission on the mtc region in a downlink..

02/04/16
20160037509 
 Techniques to reduce bandwidth usage through multiplexing and compression patent thumbnailnew patent Techniques to reduce bandwidth usage through multiplexing and compression
Techniques to reduce bandwidth usage through multiplexing and compression are described. In one embodiment, an apparatus may comprise a local interface component and an external interface component the local interface component may be operative to receive a plurality of communication requests.
Onavo Mobile Ltd.


02/04/16
20160037497 
 Enhanced base station and  communicating through an enhanced distributed antenna system (edas) patent thumbnailnew patent Enhanced base station and communicating through an enhanced distributed antenna system (edas)
Embodiments of an enhanced base station and method for communicating through an enhanced distributed antenna system (edas) are generally described herein. The edas includes geographically-separated antenna nodes and each of the antenna nodes has a plurality of antenna elements.
Intel Corporation


02/04/16
20160037460 
 Radio base station, user terminal and radio communication method patent thumbnailnew patent Radio base station, user terminal and radio communication method
The present invention is designed to make possible link adaptation that is suitable for future radio communication systems. A radio base station according to the present invention has a coding section that encodes downlink data for each of a plurality of user terminals, a modulation section that modulates the downlink data for each of the plurality of user terminals, and a transmission section that multiplexes the downlink data for each of the plurality of user terminals on a per subband basis, and transmits the downlink data for each of the plurality of user terminals by using transmission power that is allocated to each of the plurality of user terminals on a per subband basis..
Ntt Docomo, Inc.


02/04/16
20160037429 
 Low cost mesh network capability patent thumbnailnew patent Low cost mesh network capability
A wireless device that utilizes a single network interface to simultaneously connect to an infrastructure network and a mesh network. The device has a driver layer with a media access control module for each network type.
Microsoft Technology Licensing, Llc


02/04/16
20160037358 
 Relay station, relay method, radio communication system, and radio communication apparatus patent thumbnailnew patent Relay station, relay method, radio communication system, and radio communication apparatus
A relay node in a mobile communication network for relaying communications between a base station and a mobile terminal. The relay node includes a first communication unit that communicates with the base station via a backhaul link using at least one of a first modulation method and a first multiplexing method, and a second communication unit that communicates with the mobile terminal via an access link using at least one of a second modulation method and a second multiplexing method.
Sony Corporation


02/04/16
20160037352 
 Techniques for configuring uplink channel transmissions using shared radio frequency spectrum band patent thumbnailnew patent Techniques for configuring uplink channel transmissions using shared radio frequency spectrum band
Techniques for wireless communications over a shared radio frequency spectrum band, may include techniques for transmitting uplink data transmissions using allocated uplink resources. Allocated uplink resources may include an uplink channel comprising a number of allocated interlaces of resource blocks (rbs) for use by a user equipment (ue).
Qualcomm Incorporated


02/04/16
20160037192 
 Transport stream packet header compression patent thumbnailnew patent Transport stream packet header compression
A demultiplexer 630 routes only one or more transport stream packets with a single packet identifier value to each physical layer pipe. A header compression unit 620 replaces the packet identifier of the transport stream packet with a short packet identifier of one bit length indicating at least whether the transport stream packet is a null packet..
Panasonic Intellectual Property Management Co., Ltd.


02/04/16
20160037114 
 Scaling down pixel sizes in image sensors patent thumbnailnew patent Scaling down pixel sizes in image sensors
In various embodiments, methods and related apparatuses for scaling down pixel sizes in quantum film-based image sensors are disclosed. In one embodiment, an image sensor circuit is disclosed that includes circuit includes an optically sensitive layer, a first pixel having a first electrode coupled to a first region of optically sensitive layer, a second pixel having a second electrode coupled to a second region of optically sensitive layer, and a readout circuit having at least one transistor that is shared among the first pixel and the second pixel.

02/04/16
20160036617 
new patent

Transmission and reception of discovery signals over a radio frequency spectrum band


Techniques are described for wireless communication. A first method includes receiving a first orthogonal frequency division multiplexing (ofdm) symbol including a plurality of reference signals (rss) over a radio frequency spectrum band.
Qualcomm Incorporated


02/04/16
20160036613 
new patent

Apparatus and sending and receiving broadcast signals


Disclosed is an apparatus for transmitting a broadcast signal, including: an input formatting module configured to demultiplex an input stream into at least one data pipe (dp); a bicm (bit interleaved coding and modulation) module configured to perform error correction processing on data of the dp; a frame building module configured to map the data of the dp to symbols within a frame; an ofdm generation module configured to generate a transmission signal by inserting a preamble into the frame and performing ofdm modulation; and a transmission parameter control module configured to set at least one transmission parameter and control transmission signal processing of the frame building module and the ofdm generation module.. .
Lg Electronics Inc.


02/04/16
20160036612 
new patent

System and controlling combined radio signals


A method for controlling a combined waveform, representing a combination of at least two signals having orthogonal frequency multiplexed signal components, comprising: receiving information defining the at least two signals; transforming the information defining each signal to a representation having orthogonal frequency multiplexed signal components, such that at least one signal has at least two alternate representations of the same information, and combining the transformed information using the at least two alternate representations, in at least two different ways, to define respectively different combinations; analyzing the respectively different combinations with respect to at least one criterion; and outputting a respective combined waveform or information defining the waveform, representing a selected combination of the transformed information from each of the at least two signals selected based on the analysis.. .
Plusn, Llc


02/04/16
20160036611 
new patent

Scattered pilot pattern and channel estimation mimo-ofdm systems


Methods and apparatus are provided for inserting data symbols and pilot symbols in an ofdm (orthogonal frequency division multiplexing) transmission resource utilizing frequency hopping patterns for the data symbols and/or the pilot symbols. Data symbols and pilot symbols are allocated for down link (base station to mobile station) and up link (mobile station to bases station) transmission resources in a two-dimensional time-frequency pattern.
Blackberry Limited


02/04/16
20160036573 
new patent

Receiving apparatus in wireless communication system and channel estimation control method


It is desired to provide a receiving apparatus in a wireless communication system and a channel estimation control method that are capable of reducing delay in channel estimation and the error rate in decoding channel information. To achieve this, in a wireless communication system using a first reference signal, with which a control information signal is not multiplexed, and a second reference signal, with which a control information signal is multiplexed, a receiver (200) includes: an a/n detection selection unit (211) that selects whether to use both the first reference signal and the second reference signal for channel estimation or to use only the first reference signal for channel estimation; and a channel estimation unit (209) that carries out channel estimation by use of the selected reference signal(s)..
Nec Corporation


02/04/16
20160036569 
new patent

Method and data transmission on control channels from base station to user equipments in wireless communication system


A method for data transmission on control channels from a base station (bs) to a user equipment (ue) in a wireless communication system is disclosed. The method includes multiplexing a common control channel and a ue-specific control channel for the ue using at least one of time division multiplexing and frequency division multiplexing; and performing data transmission on the multiplexed common control channel and the ue-specific control channel to the ue.
Lg Electronics Inc.


02/04/16
20160036562 
new patent

Broadcast signal transmitting device, broadcast signal receiving method, broadcast signal transmitting method and broadcast signal receiving method


A broadcast signal transmitting device according to one embodiment of the present invention comprises: an encoder for forward error correction (fec) encoding data pipe (dp) data transmitted via multiple dps, wherein each dp transmits at least one service or at least one service component; a signaling encoder for encoding signaling data; an interleaver for interleaving the encoded dp data; a frame builder for mapping the interleaved dp data and the encoded signaling data and then generating at least one signal frame, wherein the interleaved dp data is mapped according to the type of the dps transmitting the respective dp data, and wherein the encoded signaling data includes type information indicative of the type of each dp; a modulation unit for modulating the at least one generated signal frame in an orthogonal frequency division multiplexing (ofdm) scheme; and a transmitter for transmitting a broadcast signal including the at least one modulated signal frame.. .
Lg Electronics Inc.


02/04/16
20160036561 
new patent

Orthogonal frequency division multiplexing based communications over nonlinear channels


An ofdm receiver comprises a (fec) decoder and a nonlinearity compensation circuit. The nonlinearity compensation circuit is operable to generate estimates of constellation points transmitted on each of a plurality of subcarriers of a received signal based on soft decisions from the fec decoder and based on a model of nonlinear distortion introduced by a transmitter from which the received signal was received.
Magnacom Ltd.


02/04/16
20160036551 
new patent

Increasing the capacity of a wdm-pon with wavelength reuse


A method of processing optical signals in a passive optical network includes receiving a first signal in a first optical spectrum, and receiving a second signal in a second optical spectrum. The second optical spectrum is different from the first optical spectrum.
Google Inc.


02/04/16
20160036550 
new patent

Method and system for a polarization immune wavelength division multiplexing demultiplexer


Methods and systems for a polarization immune wavelength division multiplexing demultiplexer are disclosed and may include, in an optoelectronic transceiver having an input coupler, a demultiplexer, and an amplitude scrambler: receiving input optical signals of different polarization via the input coupler, communicating the input optical signals to the amplitude scrambler via waveguides, configuring the average optical power in each of the waveguides utilizing the amplitude scrambler, and demultiplexing the optical signals utilizing the demultiplexer. The amplitude scrambler may include phase modulators and a coupling section.
Luxtera, Inc.


02/04/16
20160036549 
new patent

Reconfigurable optical add/drop multiplexor and optical switching node


A colorless, directionless roadm includes a pair of contentioned add and drop wavelength-selective optical switches, an input wavelength-selective optical switch having one input port, and an output wavelength-selective optical switch having one output port. Unintended input-to-output port couplings, which appear in the “contentioned” add and drop switches, can be mitigated by the input and output wavelength-selective optical switches carrying the through traffic..
Lumentum Operations Llc


02/04/16
20160036548 
new patent

Multicarrier-based optical transmit sub generating optical signal


The present invention relates to a multicarrier-based optical transmit subsystem and a method for generating an optical signal. The multicarrier-based optical transmit subsystem includes: a comb-shaped light source apparatus, configured to generate and output polychromatic light; a microring group, including multiple microring modulators, where each of the multiple microring modulators includes an input end and a download end, the input end of each of the multiple microring modulators is connected to the comb-shaped light source apparatus, and the multiple microring modulators each are configured to filter and modulate the polychromatic light, to obtain optical signals with different frequencies, and output the optical signals by using respective download ends of the multiple microring modulators; and a public waveguide, connected to the download ends of the multiple microring modulators, and configured to multiplex the optical signals with different frequencies.
Huawei Technologies Co., Ltd.


02/04/16
20160036535 
new patent

High efficiency coherent imager


An extended field heterodyne detection apparatus comprises a local signal oscillator, a micro-lens array set in optical relation to the local signal oscillator to multiplex a beam from the local signal oscillator, a local oscillator injection lens in the optical path of the local oscillator and the micro-lens array, a semi-reflective beam splitter at the telecentric stop of the local oscillator injection lens to reflect the beam of the local oscillator in parallel to a signal beam passing through the semi-reflective beam splitter, an objective lens, with a stop, located at the semi-reflective beam splitter, and a focal plane array, situated to receive the source beam. The extended field heterodyne detection apparatus solves the problem of creating a local oscillator beam that is mode-matched for an incoming signal beam, for the eventual process of mixing both the signal beam and the local oscillator using a conventional, square-law detector..
Bae Systems Information And Electronic Systems Integration Inc.


02/04/16
20160036469 
new patent

Systems/methods of carrier aggregation


Various embodiments of carrier aggregation are provided that increase communications capacity and throughput. According to some embodiments, a transmitter is configured with a plurality of transmitter chains and, responsive to an aggregate bandwidth and/or frequency content of an overall signal that is to be transmitted by the transmitter, the overall signal is segmented into a plurality of components, each one of which comprises a bandwidth that is smaller than the bandwidth of the overall signal, and is thus transmitted by the plurality of transmitter chains of the transmitter.
Odyssey Wireless, Inc.


02/04/16
20160036464 
new patent

Multi-code chien's search circuit for bch codes with various values of m in gf(2m)


The present invention discloses a multi-code chien's search circuit for bch codes with various values of m in gf(2m). The circuit includes: a combined matrix unit, a number of first multiplexers, a number of registers and a number of second multiplexers.
Storart Technology Co., Ltd.


02/04/16
20160036447 
new patent

Reconfigurable logic device


[solution] a reconfigurable logic device for forming a plurality of logic circuits in accordance with configuration data information. Each of the multi-lookup table units includes: a configuration memory that stores configuration data; data input lines; data output lines; and a reconfigurable logic multiplexer that, in response to the configuration data, selectively links data inputted to the data input lines to data outputted to the data output lines, and/or outputs, to the data output lines, data obtained by performing a logical operation on data pertaining to the inputted data.

02/04/16
20160036446 
new patent

Cross point switch


A cross point switch, in accordance with one embodiment, includes a plurality of tri-state repeaters coupled to form a plurality of multiplexers. Each set of corresponding tri-state repeaters in the plurality of multiplexers share a front end module such that delay through the cross point switch due to input capacitance is reduced as compared to conventional cross point switches..
Intellectual Ventures Holding 81 Llc


02/04/16
20160036428 
new patent

Fine-grained power gating in fpga interconnects


Systems and methods for power gating in logic and/or computing circuitry in accordance with embodiments of the inventions are disclosed. In one embodiment, a multiplexer for fine-grain power gating includes a first supply voltage and a second supply voltage, a plurality of inputs, a plurality of selection inputs, a selection circuitry configured to select one of the plurality of inputs, where one of the plurality of inputs is the first supply voltage and one of the selection inputs is a power gating enable input, an output inverter stage including a pmos transistor and an nmos transistor, where at least one input to the inverter stage is provided to the gates of the pmos and nmos transistors and selection of the power gating enable signal applies the first supply voltage to the gate of the pmos transistor and places the pmos transistor in a cutoff mode of operation..
The Regents Of The University Of California


02/04/16
20160036427 
new patent

Photorepeated integrated circuit with compensation of the propagation delays of signals, notably of clock signals


Integrated circuits of large size produced by photorepetition of several mutually identical partial patterns are provided, more precisely to the compensation of propagation delays of signals (notably of clock signals) from one partial circuit to the following whereas the signals concerned must reach the various partial circuits simultaneously for proper operation of the whole. The compensation circuit provided in each partial circuit comprises a main transmission line for a master clock signal and a compensation line with multiple outputs, as well as a multiplexer for selecting one of the outputs, the output selected being different in the various partial circuits.
Pyxalis


02/04/16
20160036424 
new patent

Power efficient multiplexer


A power efficient multiplexer. In accordance with a first embodiment, a power efficient multiplexer comprises a transmission gate structure for selectively passing one of a plurality of input signals and a stacked inverter circuit for inverting the one of a plurality of input signals.
Intellectual Ventures Holding 81 Llc


02/04/16
20160036420 
new patent

Skew calibration circuit and operation the skew calibration circuit


A skew calibration circuit may include a data delay unit receiving first data and a first code, and output delayed first data as second data by delaying the first data according to the first code; a clock delay unit receiving a first clock signal and a second code, and output delayed first clock signal as second clock signal by delaying the first clock signal according to the second code; a multiplexer receiving a clock signal and output the clock signal or an inverted clock signal of the clock signal as a first clock signal in response to a selection signal; and a control logic unit receiving the second data and the second clock signal and control the first code, the second code and the selection signal in response to the second data and the second clock signal.. .
Samsung Electronics Co., Ltd.


02/04/16
20160036124 
new patent

Radar device and method having an antenna array with two switching states of different modulation


A modulation concept for a radar having switched antennas, in which individual switching states of the antenna array having the switched antennas are closely dovetailed with the modulation of the radar signals. In this way it is possible to use switched antennas in the time division multiplex method and thus to allow for short time periods between the switching states.
Robert Bosch Gmbh


02/04/16
20160035414 
new patent

Sram bit-line and write assist lowering dynamic power and peak current, and a dual input level-shifter


Described is an apparatus comprising a plurality of memory arrays, local write assist logic units, and read/write local column multiplexers coupled together in a group such that area occupied by the local write assist logic units and the read/write local column multiplexers in the group is smaller than it would be when global write assist logic units and the read/write global column multiplexers are used. Described is a dual input level-shifter with integrated latch.

02/04/16
20160035314 
new patent

Display with field sequential color (fsc) for optical communication


This disclosure provides systems, methods and apparatus for providing displays. In one aspect, a display has an optical data path for transmitting data between a controller and an array of display elements.
Pixtronix, Inc.


02/04/16
20160034729 
new patent

Rfid integrated antenna system


An rfid system includes at least one host controller and at least one antenna module coupled to the host controller. The antenna module may include a plurality of antenna elements, at least one multiplexer (mux) module integrated in the antenna module, and an rfid reader integrated in the antenna module.
Promega Corporation


02/04/16
20160033928 
new patent

Image forming apparatus


According to an aspect of the invention, an image forming apparatus includes an apparatus body, a sound absorbing device utilizing a helmholtz resonator, and a hinged exterior cover operable to open and close relative to the apparatus body. The hinged exterior cover is a hinged cover configured to pivot about a pivot shaft arranged at a lower end portion of the hinged exterior cover.
Ricoh Company, Limited


02/04/16
20160033728 
new patent

Hybrid polarization-multiplexed coherent pic transmitters and receivers


Consistent with the present disclosure, active devices, such as lasers, optical amplifiers, and photodiodes, are integrated on a first substrate, and other optical devices, such as passive devices including polarization rotators and polarization beam combiners, are provided on a second substrate. An array of lenses is provided between the two substrates to provide a low loss optical connection from the first substrate to the second substrate.
Infinera Corporation


02/04/16
20160033376 
new patent

Apparatus and process for producing patterned, micron and nanometer size reaction and mixing zones for fluids deposited on smooth, rough and porous surfaces and applications of that process


Process for producing patterned, micron and nanometer scale features by reacting or mixing in the small volumes at the intersections of coalescing drops, at the fronts of colliding thin films in front of spreading drops, or in the pore space of a porous medium under the drop. The process can be implemented on smooth, rough or porous surfaces and embodiments include multiplexed, single drop chemical or biochemical sensors and encryption of information of a printed page..
Carnegie Mellon University, A Pennsylvania Non-profit Corporation


02/04/16
20160033031 
new patent

Modulation control a hybrid transmission


A hydraulic system includes a main modulation control scheme which relies in part on the use of a vbs solenoid and the multiplexing of that solenoid. The hydraulic system is associated with a hybrid module and by controlling the main pressure at a reduced level, the fuel economy and reliability of that hybrid module are improved.
Allison Transmission, Inc.


02/04/16
20160032373 
new patent

Systems and methods for multiplex analysis of pcr in real time


The present invention provides methods and systems for real-time measurements of pcr with multiplexing capability. Certain embodiments relate to methods and systems that use fluorescently encoded superparamagnetic microspheres for the immobilization of amplification products during the pcr process, and an imaging chamber of a measurement device that is also capable of controllable thermal cycling for assisting the pcr process..
Luminex Corporation


02/04/16
20160032366 
new patent

Multiplex assay for detection of bacterial species in biological samples


The invention provides a rapid, accurate, sensitive, and low-cost detection method for screening a biological sample for one or more desired bacterial species. The inventive method employs a two-step multiplex real-time pcr assay that comprises an internal amplification control and specific primer sets to detect and discriminate bacterial species based the unique melting temperatures of specific dna sequences of each strain..
The Curators Of The University Of Missouri


02/04/16
20160032360 
new patent

A a single cell analysis of telomere length


The invention relates to a method for single cell analysis of relative telomere length using multiplex pre-pcr followed by a qpcr (sct-pqpcr).. .
Yale University


02/04/16
20160030753 
new patent

Multi-electrode neural prothesis system


A hermetic electronics package of a multi-electrode neural prosthesis system includes a metal case, a feedthrough construction having an electrically insulating substrate and an array of electrically conductive feedthroughs extending through it, with the electrically insulating substrate connected to the open end of the metal case to form a hermetically sealed enclosure. And a set of electronic components is located within the hermetically sealed enclosure and operably connected to the feedthroughs of the feedthrough construction so as to electrically communicate outside the package.
Lawrence Livermore National Security, Llc


02/04/16
20160029604 
new patent

Multiplex gene editing


Materials and methods for making multiplex gene edits in cells or embryos are presented. Further methods include animals and methods of making the same.
Recombinetics, Inc.


01/28/16
20160029361 

Method for processing medium access control entity, ue and communication system


A method for processing a medium access control entity, ue and a communication system. The method includes: establishing a corresponding medium access control entity by ue for a second connectivity, so that there exists dual connectivity between the ue and network side including a first connectivity and the second connectivity; wherein the medium access control entity of the second connectivity at least includes a multiplexing or de-multiplexing module and a logic channel prioritization module.
Fujitsu Limited


01/28/16
20160029351 

Base station, terminal, communication system, communication method, and integrated circuit


There is provided a base station that communicates with a terminal by using a resource element constituted by a sub-carrier and an ofdm symbol. The base station includes an epdcch generator, a reference signal generator, and a transmitter.
Sharp Kabushiki Kaisha


01/28/16
20160029037 

Digital e8-vsb reception system and e8-vsb data demultiplexing method


A method of processing a digital television (dtv) signal is disclosed. Herein, the dtv signal is generated by performing reed-solomon (rs) encoding on additional data, multiplexing the rs-encoded additional data with main data, rs encoding the multiplexed additional and main data, interleaving the rs-encoded additional and main data, trellis encoding the interleaved additional and main data, and transmitting a radio frequency (rf) dtv signal including the trellis-encoded additional and main data.
Lg Electronics Inc.


01/28/16
20160029013 

Image display method and apparatus


An image display apparatus according to an embodiment of the present invention comprises: an ir emitter controller for recognizing a pair of 3d glasses connected to the image display apparatus; a video multiplexer for receiving a plurality of displayed video data using a plurality of pairs of 3d glasses, setting a frame rate for the plurality of video data to assign a frame period thereto, and multiplexing the plurality video data according to the frame period assigned at the set frame rate, when the plurality of pairs of 3d glasses is connected to the image data apparatus; and a display unit for frame-sequentially displaying the multiplexed video data.. .
Lg Electronics Inc.


01/28/16
20160028990 

Method and synchronizing data streams containing audio, video and/or other data


Several data streams contain video, audio and/or other data. Some of the data streams are pre-recorded in a multiplex on a storage medium while other data streams are located out of the data stream multiplex on the storage medium.
Thomson Licensing


01/28/16
20160028804 

Systems with virtual universal asynchronous receiver transmitter and methods therefor


In one embodiment, a monolithic integrated circuit includes a first uart, a second uart, and a multiplexer. The first uart has a parallel io interface to couple to a host system to transceive parallel data and a serial io interface.

01/28/16
20160028577 

Reception of 2-subcarriers coherent orthogonal frequency division multiplexed signals


A dual-polarization, 2-subcarriers code orthogonal, orthogonal frequency division multiplexed signal carrying information bits is transmitted in an optical communication network without transmitting a corresponding pilot tone or training sequence. A receiver receives the transmitted signal and recovers information bits using a blind equalization technique and by equalizing the 2-subcarriers ofdm signal as a 9-qam signal in time domain with a cmma (constant multi modulus algorithm) equalization method..
Zte Corporation


01/28/16
20160028575 

Ofdm processing system and method


A method and system for processing an orthogonal frequency division multiplexed (ofdm) signal. The system includes a signal source configured to provide a sequence of ordered data values and a corresponding sequence of ordered addresses.
Zenith Electronics Llc


01/28/16
20160028528 

Method and system for balancing reference signal powers across ofdm symbols


A base station includes a reference signal allocator that allocates a first layer of dedicated reference signals and a second layer of reference signals to the same resource elements in a first resource block. The reference signals are allocated to two adjacent resource elements corresponding to a first ofdm symbol and a second ofdm symbol on a first, second, and third subcarriers of the first resource block.
Samsung Electronics Co., Ltd.


01/28/16
20160028527 

Method and system for balancing reference signal powers across ofdm symbols


A base station includes a reference signal allocator that allocates a first layer of dedicated reference signals and a second layer of reference signals to the same resource elements in a first resource block. The reference signals are allocated to two adjacent resource elements corresponding to a first ofdm symbol and a second ofdm symbol on a first, second, and third subcarriers of the first resource block.
Samsung Electronics Co., Ltd.


01/28/16
20160028521 

Base station, terminal, communication system, communication method, and integrated circuit


There is provided a base station that communicates with a terminal by using a resource element constituted by a sub-carrier and an ofdm symbol. The base station includes a pdsch generator, a reference signal generator, and a transmitter.
Sharp Kabushiki Kaisha


01/28/16
20160028518 

A wireless device, a network node and methods therein for transmitting control information in a d2d communication


A method performed by a first wireless device for transmitting control information in a d2d communication with a second wireless device in a wireless telecommunications network is provided. The first wireless device multiplexes coded modulation symbols of the control information with coded modulation symbols of data information on resources elements, res, in a orthogonal frequency division multiplexing, ofdm, time-frequency grid of a dedicated shared channel, dsch, in the d2d communication, wherein the control information comprises transmission format command, tfc, information and uplink control information, uci.
Telefonaktiebolaget L M Ericsson (publ)


01/28/16
20160028515 

Division of bit streams to produce spatial paths for multicarrier transmission


A device for bit-demultiplexing in a multicarrier mimo communication system (e.g. Precoded spatial multiplexing mimo communication systems using adaptive ofdm), including a multicarrier mimo transmitter and a multicarrier mimo receiver.
Sony Corporation


01/28/16
20160028509 

Apparatus and transmitting/receiving the hybrid-arq ack/nack signal in mobile communication system


An apparatus and method are provided for a mobile communication system. The method includes generating a symbol group to which an orthogonal sequence is applied; determining one of a first orthogonal frequency division multiplexing (ofdm) symbol and a second ofdm symbol for mapping the generated symbol group based on a symbol group index and a physical hybrid automatic repeat request indicator channel (phich) group index; mapping the generated symbol group to the determined symbol; and transmitting the mapped symbol group..
Samsung Electronics Co., Ltd.


01/28/16
20160028504 

Wavelength division multiplexing system and method including wavelength monitoring


A wavelength division multiplexing system and method featuring a wavelength monitor that is configured to receive a portion of a combined signal of wavelength division multiplexing channels and determine the wavelengths of each channel or the guardband between each channel in the combined signal. The wavelength monitor determines if there is excess laser drift for each channel in the combined signal.
Nec Corporation


01/28/16
20160028502 

Mechanism for traffic privacy in reconfigurable add/drop multiplexer based submarine networks


A method for data transport that includes providing a branch terminal between a first and second trunk terminal, wherein a branching unit is present at an intersect between the first and second trunk terminal and the branch terminal. The branching unit includes a reconfigurable add/drop multiplexers (roadm) at least one attenuator.
Nec Corporation


01/28/16
20160028489 

Optical transmitter module having multiple signal lanes


An optical transmitter module that generates a signal multiplexing two or more optical signals each having optical power satisfying a preset magnitude is disclosed. The optical transmitter module includes laser diodes (ld), adjusting lenses coupled with the lds to generate dispersive optical outputs, and a concentrating lens that concentrates the dispersive optical beams onto a coupling fiber.
Sumitomo Electric Industries, Ltd.


01/28/16
20160028483 

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..
Zephyr Photonics Inc.


01/28/16
20160028479 

Adaptive optics based simultaneous turbulence compensation of multiple orbital angular momentum beams


An adaptive optics compensation approach for an oam multiplexed fso communication system is described, in which a gaussian beam is used to probe the turbulence-induced wavefront distortions and derive the correction pattern for compensating the oam beams. Using this approach, we demonstrate simultaneous compensation of multiple oam beams each carrying a 100-gbit/s data channel through emulated atmospheric turbulence.
University Of Southern California


01/28/16
20160028468 

Distributed combined junctional transformer


The distributed combined junctional transformer (abbreviated in this document as repeater station) provides a system to take any input signal in any frequency and using any modulation and multiplexing schemes, convert it to the desired format and frequency and subsequently retransmits the signal. In accordance with an embodiment of the invention, a repeater station comprises: an input section capable of receiving the input signal generated by any source device in radio, microwave, infrared, visible or ultraviolet spectrums; a downconversion section translating the input signal to a baseband signal if required; a baseband processing section that interprets the information of the input signal, converts the signal to the desired format and controls the other sections; an upconversion section which translates the baseband frequency output signal to the desired carrier output frequency if required; and an output section which transmits the output signal..

01/28/16
20160028432 

Complementary metal oxide semiconductor differential antenna transmit-receive switches with power combining circuitry for orthogonal frequency-division multiplexing systems


A radio frequency (rf) transmit-receive switch has an antenna port, first and second transmit differential ports and first and second receive differential ports. Transmit transistor switches are connected to the transmit differential ports.
Rfaxis, Inc.


01/28/16
20160028396 

High-performance low-power near-vt resistive memory-based fpga


A field programmable gate array (fpga) of the island-type comprising a plurality of cluster-based configurable logic blocks (clbs), whereby each of the cluster-based clbs is surrounded by a global routing structure formed by a plurality of multiplexers and pass/transmission-gates organized in switch boxes (sbs) and connection blocks (cbs), the switch boxes and the connection blocks comprising at least a first plurality of resistive memories inserted in a data path of a first routing architecture of the switch boxes and the connection blocks. Each clb contains basic logic elements (bles), as well as local routing resources..
Ecole Polytechnique Federale De Lausanne (epfl)


01/28/16
20160028137 

A frequency demultiplexer


A frequency demultiplexer comprising an input part (106) with an input port (101), a low pass filter (125) and a band-pass filter (108) with output ports (120, 145). The input part (106), the low-pass filter (125) and the band-pass filter (108) comprise open waveguide sections, and the band-pass filter (108) comprises gap-coupled resonators (130, 135, 140).
Telefonaktiebolaget Lm Ericsson (publ)






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