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Multiplex patents

      

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




 Channel estimation in wireless communication network node patent thumbnailChannel estimation in wireless communication network node
Radio network node and method therein, for channel estimation of a channel used for wireless signal communication with a ue. The radio network node comprises a multiple antenna array configured for beamforming, spatial multiplexing and mimo transmission.
Huawei Technologies Co., Ltd.


 Configuration of coexistence of different cp lengths in d2d communication patent thumbnailConfiguration of coexistence of different cp lengths in d2d communication
The present disclosure discloses a plurality of configuration schemes for coexistence of d2d signals with different cp lengths in d2d communication. In scheme 1-1, a network allocates a specific cp length for some kind of d2d channel of all users in a cell; in scheme 1-2, the network configures a specific cp length for each of d2d channels of each user in the cell; in scheme 2-1, the network configures one cp length for each of d2d subframes; in schemes 2-2 to 2-4, the system configures a cp length periodically, in which for n d2d subframes within a configuration periodicity, the network configures one cp length for each of (n−m) (m=1, 2) d2d subframes; while for the remaining m (m=1, 2) d2d subframes, the system multiplexes sc-fdma/ofdm symbols with different cp lengths in a tdm, a fdm, and a tdm & fdm ways, respectively; and in scheme 2-5, the network configures one cp length for each allocated time-frequency physical resource set..
Sharp Kabushiki Kaisha


 Method of allocating a resource in a wireless communication system and device for same patent thumbnailMethod of allocating a resource in a wireless communication system and device for same
In a wireless communication system, when a terminal receives control information from a downlink subframe, which is divided into a physical downlink control channel (pdcch) region and a physical downlink shared channel (pdsch) region, in a wireless communication system, the receiving of the control information includes: receiving, from a base station, first cfi information indicating the number of orthogonal frequency division multiplexing (ofdm) symbols available for physical downlink control channel (pdcch) transmission; receiving, from the base station, second cfi information indicating start ofdm symbol information available for physical downlink shared channel (pdsch) transmission corresponding to an enhanced physical downlink control channel (e-pdcch); and receiving the pdsch from the base station on the basis of the first cfi information or the second cfi information. The pdcch is placed in the pdcch region of the downlink subframe, and the e-pdcch is placed in the pdsch region of the downlink subframe..
Lg Electronics Inc.


 Methods and  managing control and data transmissions for low cost user equipments patent thumbnailMethods and managing control and data transmissions for low cost user equipments
Certain aspects of the present disclosure relate to methods and apparatus for managing control and data transmissions for low cost ues. In certain aspects, multiplexing of a control channel and data channel may be allowed in a physical resource block (prb) pair of a subframe.
Qualcomm Incorporated


 Content output device and program patent thumbnailContent output device and program
A data processing device, includes a bus, a demultiplexer which is coupled to the bus, and which receives a content including video data and audio data. A memory interface which is coupled to the bus, and which is connectable to a memory for temporarily accumulating the video data and the audio data output from the demultiplexer in accordance with a delay amount..
Renesas Electronics Corporation


 Multiple stage modulation projector display systems having efficient light utilization patent thumbnailMultiple stage modulation projector display systems having efficient light utilization
Dual or multi-modulation display systems comprising a first modulator and a second modulator are disclosed. The first modulator may comprise a plurality of analog mirrors (e.g.
Dolby Laboratories Licensing Corporation


 Method, topology and point of presence equipment for serving a plurality of users via a multiplex module patent thumbnailMethod, topology and point of presence equipment for serving a plurality of users via a multiplex module
A number of users interface with a network via a multiplex module, on a communication path established between the multiplex module and a point of presence. Some users may be served by one or more first channels of the communication path while one or more remaining users may be served by one or more additional channels of the communication path.
Aeponyx Inc.


 Apparatus for transmitting broadcast signals,  receiving broadcast signals,  transmitting broadcast signals and  receiving broadcast signals patent thumbnailApparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and 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 service data, a mapper for mapping the encoded service data into a plurality of ofdm (orthogonal frequency division multiplex) symbols to build at least one signal frame, a frequency interleaver for frequency interleaving data in the at least one signal frame by using a different interleaving-seed which is used for every ofdm symbol pair comprised of two sequential ofdm symbols, a modulator for modulating the frequency interleaved data by an ofdm scheme and a transmitter for transmitting the broadcast signals having the modulated data..
Lg Electronics Inc.


 Apparatus for transmitting broadcast signals,  receiving broadcast signals,  transmitting broadcast signals and  receiving broadcast signals patent thumbnailApparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals
A method and an apparatus for transmitting broadcast signals thereof are disclosed. The method for transmitting broadcast signals, the method comprising encoding service data, encoding signaling data, building at least one signal frame including the encoded service data and the encoded signaling data; modulating data in the built at least one signal frame by an ofdm (orthogonal frequency division multiplex) scheme and transmitting the broadcast signals having the modulated data, wherein the modulating step includes performing a power normalization for each ofdm symbol in a time domain..
Lg Electronics Inc.


 Communication  achieving low peak-to-average power ratio patent thumbnailCommunication achieving low peak-to-average power ratio
The present disclosure relates to transmission of information across a communication channel efficiently and without error. The present disclosure also enables transmission of information across a communication channel such that the peak to average power ratio (papr) is one (zero in decibels).
Tejas Networks Ltd.


Decision feedback equalizer

A decision feedback equalizer (dfe) includes first through sixth flip-flops, and first and second summer circuits. The first through fourth flip-flops sample an analog input signal received at the first and second summer circuits, detect the logic level of a data bit in the analog input signal and generate the first through fourth compensated signals.
Silab Tech Pvt. Ltd.

Wireless communication device

[solution] a plurality of wireless communication devices included in a multicast group, when receiving a data frame, transmit simultaneously an acknowledgement response of multicast using spatial multiplexing in response to an acknowledgement request from a transmission source. On the other hand, a wireless communication device of the transmission source decomposes the acknowledgement responses simultaneously received into the original individual acknowledgement responses and restores them using signal processing based on information on a channel with each wireless communication device of a transmission destination..

Radio base station, user terminal and radio communication method

A radio base station that communicates with a user terminal, and has a control section that executes control so that signals are time-division-multiplexed over a first radio resource region where symbols are multiplexed at a rate equal to or below a nyquist rate and a second radio resource region where symbols are multiplexed at a faster rate than the nyquist rate. The radio base station also includes a transmission section that transmits the signals that are time-division-multiplexed in the first radio resource region and the second radio resource region, to the user terminal to reduce the interference against predetermined signals in a radio communication system in which faster-than-nyquist (ftn) is used..
Ntt Docomo, Inc.

Apparatus for transmitting broadcast signals, receiving broadcast signals, transmitting broadcast signals and receiving broadcast signals

A method and an apparatus for transmitting broadcast signals thereof are disclosed. The apparatus for transmitting broadcast signals, the apparatus comprises an encoder to encode service data, a mapper to map the encoded service data, a time interleaver to time interleave the mapped service data, wherein the time interleaving is performed depending on number of physical paths for the service data, a frame builder to build at least one signal frame including the time interleaved service data, a modulator to modulate data in the built at least one signal frame by an ofdm (orthogonal frequency division multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data..
Lg Electronics Inc.

Multiple access in an orthogonal time frequency space communication system

A method and apparatus for wireless communication compatible with a long term evolution (lte) communication system. The method includes transforming input data in accordance with a two-dimensional orthogonal time frequency space (otfs) transform in order to generate otfs transformed data.
Cohere Technologies, Inc.

Wireless communication device and wireless communication method

A wireless communication device includes a receiver and a transmitter. The receiver is configured to receive a plurality of first frames.
Kabushiki Kaisha Toshiba

Optical multiplex level and optical channel layer server trails in wavelength switched optical networks

An optical network packet configured to transmit over an optical communication link from a first optical network having a first control plane to a second optical network having a second control plane is generated. Generating the optical network packet comprises generating the packet configured to be transmitted from the first optical network to the second optical network in the optical domain..
Cisco Technology, Inc.

Transmission apparatus and transmission system

A transmission apparatus including: a waveform shaper that performs spectrum correction on an optical signal converted from an electrical signal encoded by ofdm (orthogonal frequency division multiplexing); a converter that converts the optical signal on which the waveform shaper has performed the spectrum correction, into the electrical signal; and a nonlinear compensator that compensates for a nonlinear distortion with respect to the electrical signal converted by the converter.. .
Fujitsu Limited

Sub-nyquist sampling for bandwidth- and hardware-efficient mobile fronthaul with mimo processing

A method implemented by a network device in a wireless system is provided. The method includes obtaining a plurality of electronic signals and selecting a first group of signals and a second group of signals from the plurality of electronic signals, generating phase conjugated copies of signals in the first group of signals, and aggregating the phase conjugated copies and a second group of signals into sub-bands in a frequency domain via frequency-domain multiplexing (fdm), wherein the phase conjugated copies are spectrally inverted in the frequency domain.
Futurewei Technologies, Inc.

Multiplexer and mobile communication device comprising a multiplexer

A multiplexer with excellent electrical properties and a low number of electrical components is provided that may be used in a communication device with two tx paths and two rx paths. The multiplexer comprises three hybrids and two duplexers.
Epcos Ag

Point-to-point communications link

A communications system having two terminals, each including two antennas, the communications system using spatial multiplexing. One antenna of a first terminal transmits a tracking tone along with a data signal.
Raytheon Company

Semiconductor integrated circuits

A semiconductor integrated circuit includes a scan enable (se) inverter and a clock (ck) inverter on a substrate, a first multiplex part, and a second multiplex part. The se inverter and the ck inverter are aligned in a first direction.

Apparatus for and programmable matching network for multiple signal types

An apparatus and method are provided. The apparatus includes a multiplexer, including a first input, a second input, a third input, and an output; a first transistor, including a gate, a first terminal, and a second terminal; a first variable capacitor, including a first terminal, a second terminal, and an input; a first inductor, including a first terminal and a second terminal; a second transistor, including a gate, a first terminal, and a second terminal; a second inductor mutually coupled to the first inductor, including a first terminal and a second terminal; a balun-bias switch, including a first input, a second input, a third input, and an output; a second capacitor, including a first terminal, and a second terminal; and a port-switch, including a first input, a second input, a third input, and an output..
Samsung Electronics Co., Ltd.

Power transmission with wireless transceiver

An apparatus for power transmission with a wireless transceiver is described herein. The apparatus can include a power supply to generate a voltage and a current to flow through a power multiplexer and to a tuning antenna resonator.
Intel Corporation

Handling multiple task sequences in a stream processing framework

The technology disclosed improves existing streaming processing systems by allowing the ability to both scale up and scale down resources within an infrastructure of a stream processing system. In particular, the technology disclosed relates to a dispatch system for a stream processing system that adapts its behavior according to a computational capacity of the system based on a run-time evaluation.
Salesforce.com, Inc.

Aligning and directly optically coupling photodetectors to optical demultiplexer outputs in a multichannel receiver optical subassembly

A multi-channel receiver optical subassembly (rosa) such as an arrayed waveguide grating (awg), with outputs directly optically coupled to respective photodetectors such as photodiodes. In one embodiment, an awg may be configured such that optical components of the awg do not interfere with direct optical coupling, and the wire bonding points on the photodiodes may also be configured such that wire bonding does not interfere with direct optical coupling.
Applied Optoelectronics, Inc.

Optical switch and wavelength division multiplexing optical system

An optical switch and a wavelength division multiplexing optical system are disclosed. In an embodiment an optical switch includes an input port array, an input collimator array, an input micromirror array, an output micromirror array, an output collimator array, and an output port array.
Huawei Technologies Co., Ltd.

Multiport free-space wdm based on relay lens

The present invention is a lens system used to relay the light from one region to another and increase the workable optical path length to make wavelength division multiplexing (wdm) devices with a high port count. Inside the wdm device based on thin filters, collimators produce parallel light beams, and when the light path is over the collimator working distance, there can be substantial coupling loss.

Optical multiplexer/demultiplexer device comprising porro prisms

Described herein is a multiplexer/demultiplexer optical device (100) comprising: a first beam-splitter cube (bs1); a second beam-splitter cube (bs2) optically coupled to the first splitter (bs1); a first porro-prism reflector (pr1), which is optically coupled to the second splitter (bs2); and a second porro-prism reflector (pr2), which is optically coupled to the second splitter (bs2) and is structured for introducing into optical beams that traverse it a phase delay depending upon an orbital angular momentum of the optical beams and upon an orientation of the second reflector. The device is a michelson interferometer structured for obtaining constructive/destructive interference such as to multiplex/demultiplex on/from corresponding input/output ports, on the basis of values of orbital angular momentum, an optical beam comprising a plurality of concentric optical beams with cylindrical symmetry having different values of orbital angular momentum..
Politecnico Di Milano





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This listing is a sample listing of patent applications related to Multiplex for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Multiplex with additional patents listed. Browse our RSS directory or Search for other possible listings.


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