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Multiplex patents

      

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




new patent Method and equipment for channel sensing and signal transmission
A method for channel sensing and signal transmission is provided. The method includes that a signal transmission mode of a communication node in a predefined time window is different from a signal transmission mode of the communication node outside the predefined time window, which includes at least one of a channel sensing mode and a data transmission mode.
Samsung Electronics Co., Ltd.


new patent Method and adaptive control of contention window in laa
A method for listen-before-talk (lbt) operation by an enodeb (enb) in a wireless communication network. The method comprises triggering an lbt request to transmit, to a user equipment (ue), at least one of an uplink (ul) grant or downlink (dl) data for ul transmission over an licensed assisted access (laa), determining an adaptive contention window (cw) size comprising a predetermined minimum value and maximum value for transmitting the dl data and ul grant, performing dl data and ul grant lbt operations in accordance with the adaptive cw size, performing a ul grant lbt operation to transmit a ul grant message to the ue, wherein the ul grant lbt comprises a higher priority than the dl data regardless of a level of qos of the dl data, multiplexing the ul grant with the dl data, and transmitting the multiplexed ul grant with the dl data transmission to the ue..
Samsung Electronics Co., Ltd


new patent Multiplexing targeted advertisements
Embodiments of the present invention provide systems and methods for displaying advertisements. These systems and methods employ a device capable of displaying advertisements, obtaining user profiles; assessing user profiles; broadcasting programs; caching advertisements; and displaying cached advertisement.
International Business Machines Corporation


new patent Eye mounted displays and systems, with eye tracker and head tracker
A display device is mounted on and/or inside the eye. The eye mounted display contains multiple sub-displays, each of which projects light to different retinal positions within a portion of the retina corresponding to the sub-display.
Spy Eye, Llc


new patent Eye mounted displays and systems, with headpiece
A display device is mounted on and/or inside the eye. The eye mounted display contains multiple sub-displays, each of which projects light to different retinal positions within a portion of the retina corresponding to the sub-display.
Spy Eye, Llc


new patent Image sensor alignment in a multi-camera system accelerator architecture
An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.


new patent Motion estimation and detection in a camera system accelerator architecture
An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.


new patent Image capture accelerator
An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.


new patent Camera system transmission in bandwidth constrained environments
An image capture accelerator performs accelerated processing of image data. In one embodiment, the image capture accelerator includes accelerator circuitry including a pre-processing engine and a compression engine.
Gopro, Inc.


new patent System and methods for integrating short message service messaging with contact center applications
A system for routing short message service (sms) messages to endpoints in a contact center includes a first node for receiving sms message streams from multiple sources operating variant protocols and for multiplexing the multiple streams into a single message stream following a universal protocol, a media gateway server connected to the first node for receiving the single message stream and for forwarding individual ones of the messages therein to individual ones of a plurality of connected servers, and a router connected to at least one of the connected servers for routing individual messages represented therein to individual ones of a plurality of network-supported endpoint devices.. .
Genesys Telecommunications Laboratories, Inc.


new patent

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 frame builder to build at least one signal frame including the encoded service data, wherein a signal frame includes at least one preamble symbol and at least one sub-frame, a frequency interleaver to frequency interleave data in at least one of the preamble and a sub-frame in the at least one signal frame by using a different interleaving sequence generated based on an interleaving sequence and a symbol offset, a modulator to modulate the frequency interleaved data by an ofdm (orthogonal frequency division multiplex) scheme and a transmitter to transmit the broadcast signals having the modulated data..
Lg Electronics Inc.

new patent

Allocation and scheduling for time and frequency division multiplexing system

A time and frequency division (tafd) scheduler based on a tafd allocation unit based credit allocation may schedule both time and frequency division for both legacy data over cable service interface specification (docsis) channels and docsis orthogonal frequency division multiple access (ofdma) channels. In embodiments, scheduling by the tafd schedules both single carrier quadrature amplitude modulation (sc-qam) transmissions and ofdma upstream transmissions.
Arris Enterprises Llc

new patent

Joint physical layer security and papr mitigation in ofdm sytems

Systems and methods for securing orthogonal frequency division multiplexing (ofdm) transmission of data are discussed herein. Transceivers can sense the signal strength of frequencies on an ofdm wireless channel.
University Of South Florida

new patent

Upstream pilot structures in point-to-multipoint orthogonal frequency-division multiplexing (ofdm) communication systems

A central access network unit comprising a processor configured to assign a plurality of upstream training blocks from an upstream ofdm symbol to a plurality of downstream network units, wherein the ofdm symbol comprises a plurality of pilot subcarriers equally spaced across an upstream rf spectrum in a pre-determined time interval, and wherein each upstream training block comprises a different subset of the pilot subcarriers that are non-consecutive and situated across the upstream rf spectrum, and generate one or more messages comprising assignments of the upstream training blocks, and a transmitter coupled to the processor and configured to transmit the messages to the plurality of downstream network units via a network, wherein the messages instruct at least one of the plurality of downstream network units to transmit a modulated pre-determined sequence at the pilot subcarriers corresponding to the upstream training block assigned to the downstream network unit.. .
Futurewei Technologies, Inc.

new patent

Compressed orthogonal frequency division multiplexing (ofdm) symbols in a wireless communication system

One or more first padding bits are added to information bits to be included in a data portion of a data unit such that the information bits, after being encoded, fill one or more ofdm symbols up to a boundary within a last ofdm symbol. The information bits and the first padding bits are encoded to generate coded bits.
Marvell World Trade Ltd.

new patent

Method and transmitting uplink signal

A method and device for transmitting an uplink signal in a wireless communication system a user equipment (ue) sets up a sounding reference signal (srs) configuration for a first serving cell, the srs configuration including information for an srs transmission, and determines an srs subframe in which an srs and a physical uplink shared channel (pusch) for the first serving cell are simultaneously triggered among a plurality of subframes according to the srs configuration. The srs subframe includes a plurality of orthogonal frequency division multiplexing (ofdm) symbols.
Lg Electronics Inc.

new patent

Multiple access method and system with adaptive frequency multiplexing of data send authorization requests

A method for multiple access to a frequency band of a communication channel of a communication network with carrier sensing and collision avoidance, including a division of the frequency band into a set of request-to-send sub-bands dedicated to the transmission, by source nodes to a destination node, of request-to-send messages for communicating data on the frequency band is provided. The method includes an evaluation of a communication channel load, and, as a function of the result of the evaluation, a re-division of the frequency band to modify the number of sub-bands of the set of request-to-send sub-bands..
Commissariat A L'energie Atomique Et Aux Energies Alternatives

new patent

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 receiving broadcast signals, the apparatus comprises a receiver to receive the broadcast signals, a demodulator to perform demodulation on the received broadcast signals by an ofdm (orthogonal frequency division multiplex) scheme, wherein the broadcast signals include at least one signal frame, wherein a signal frame includes a preamble and at least one sub-frame, a frequency de-interleaver to frequency de-interleave the demodulated broadcast signals by using a different interleaving sequence, wherein the different interleaving sequence is used for data at least one of the preamble and a sub-frame, wherein the different interleaving sequence is generated based on an interleaving sequence and a symbol offset, a frame parser to parse the at least one signal frame from the frequency de-interleaved broadcast signals and a decoder to decode service data in the parsed at least one signal frame..
Lg Electronics Inc.

new patent

Apparatus for transmitting/receiving broadcasting signal using combination mode of layered division multiplexing and channel bonding, and method thereof

An apparatus for transmitting broadcast signal according to the present invention includes an enhanced layer stream partitioner configured to generate first and second enhanced layer partitioned signals by partitioning an enhanced layer stream; first and second combiners configured to generate a first multiplexed signal corresponding to the first enhanced layer partitioned signal and a second multiplexed signal corresponding to the second enhanced layer partitioned signal; first and second power normalizers configured to reduce powers of the first multiplexed signal and the second multiplexed signal; first and second time interleavers configured to generate a first time-interleaved signal corresponding to the first enhanced layer partitioned signal and a second time-interleaved signal corresponding to the second enhanced layer partitioned signal; and first and second ofdm transmitters configured to transmit signals corresponding to the first time-interleaved signal and the second time-interleaved signal using an ofdm communication scheme.. .
Electronics And Telecommunications Research Institute

new patent

Clock recovery method and clock recovery arrangement for coherent polarization multiplex receivers

Component signal values are derived from component signals and fed to at least one fixed equalizer which generates equalizer output signals. The signals are fed to phase error detectors generating phase error signals.
Xieon Networks S.a.r.l.

new patent

Optical transmission device, optical communication device, optical communication system, and optical transmission method

An exemplary aspect of the present invention includes outputting main signal light; generating a first optical signal by intensity-modulating an optical signal depending on a control signal; generating a second optical signal by intensity-modulating an optical signal depending on a differential component between a prescribed signal having a constant intensity and the control signal; outputting a wavelength-multiplexed optical signal by multiplexing the first optical signal being generated and the second optical signal being generated; and transmitting a transmitting signal by multiplexing the output main signal light being output and the wavelength-multiplexed optical signal being output.. .

new patent

Optical receiver and updating tap coefficient of digital filter

An optical receiver, that receives wavelength division multiplexed light including a target channel, includes: a receiver configured to generate an electric signal from input light that includes the target channel; an a/d converter configured to convert the electric signal generated by the receiver into a digital signal; a digital filter configured to filter the digital signal output from the a/d converter with a first frequency characteristic; and a filter controller configured to control a frequency characteristic of the digital filter. The filter controller changes the frequency characteristic of the digital filter from the first frequency characteristic to a second frequency characteristic in stages when a filter control instruction that specifies the second frequency characteristic is given to the filter controller..
Fujitsu Limited

new patent

Frequency domain multiplex optical transmission

A transmitter comprises a complex mixer to generate a single i analog drive signal and a single q analog drive signal, and a single multi-dimensional optical modulator configured to modulate an optical carrier light using the single i analog drive signal and the single q analog drive signal to produce a modulated optical signal for transmission. Alternatively, a transmitter comprises a complex mixer to generate two i analog drive signals and two q analog drive signals, and a single multi-dimensional multiple-electrode optical modulator configured to modulate an optical carrier light using the analog drive signals to produce a modulated optical signal for transmission.
Ciena Corporation

new patent

Methods and systems relating to optical networks

Data center interconnections, which encompass wscs as well as traditional data centers, have become both a bottleneck and a cost/power issue for cloud computing providers, cloud service providers and the users of the cloud generally. Fiber optic technologies already play critical roles in data center operations and will increasingly in the future.
Aeponyx Inc.

new patent

Estimating frequency-offsets and multi-antenna channels in mimo ofdm systems

Techniques are described for carrier frequency offset (cfo) and channel estimation of orthogonal frequency division multiplexing (ofdm) transmissions over multiple-input multiple-output (mimo) frequency-selective fading channels. A wireless transmitter forms blocks of symbols by inserting training symbols within two or more blocks of information-bearing symbols.
Regents Of The University Of Minnesota

new patent

Wireless communication system, wireless communication device, and wireless communication method

A wireless communication system includes a transmitting device and a receiving device each including a plurality of antennas. A plurality of streams are subjected to spatial multiplexing and are transmitted in a downlink in which packets are transmitted from the transmitting device to the receiving device.
Sony Corporation





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