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Multiplex patents

      

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




 Apparatus and  controlling ptt service by multiplexing call originator and floor arbitrator patent thumbnailApparatus and controlling ptt service by multiplexing call originator and floor arbitrator
A method of mission critical push to talk (mcptt) service performed by a mobile terminal includes: generating, at the mobile terminal, a group call announcement for off-network mission critical push to talk (mcptt) service, the group call announcement for off-network mcptt service including information of a period of the group call announcement for off-network mcptt service; controlling a transceiver to periodically transmit, to one or more mobile terminals, the group call announcement for off-network mcptt service based on the period; in response to the transmitted group call announcement for off-network mcptt service, receiving a response from the one or more mobile terminals; and establishing, based on the response from the one or more mobile terminals, a group call with the one or more mobile terminals by setting a direct wireless communication with the one or more mobile terminals.. .
Korea Railroad Research Institute


 Method, apparatus and computer program product for enhanced control channel usage in carrier aggregation patent thumbnailMethod, apparatus and computer program product for enhanced control channel usage in carrier aggregation
The present invention addresses a method, apparatus and computer program product for managing control channel usage in carrier aggregation, which implement defining a time reuse factor for a physical uplink control channel resource on a primary cell for enabling time multiplexing the subframes of the resource, and assigning a physical uplink control channel resource element to a requesting user equipment by using colliding resources in different subframes, wherein the time reuse factor is variably set based on at least one of the number of requesting user equipments and the individual traffic needs of the requesting user equipment.. .
Nokia Solutions And Networks Oy


 Method and  configuring a signal field including allocation information for a resource unit in wireless local area network system patent thumbnailMethod and configuring a signal field including allocation information for a resource unit in wireless local area network system
Proposed is a control field including allocation information regarding a resource unit (ru) in a wireless local area network (wlan) system supporting a plurality of rus. A data field may be transmitted in unit of the ru.
Lg Electronics Inc.


 Wireless communication data transmission method and system patent thumbnailWireless communication data transmission method and system
The present invention discloses a wireless communication data transmission method, receiving a data sent from a base station to a mobile terminal with a downlink frequency channel by using full-duplex technology; emitting a data emitted from the mobile terminal to the base station, and receiving the data sent from the base station to the mobile terminal by using time division multiplexing technology through an uplink frequency channel. The uplink frequency channel, which is originally only used for emitting a base station uplink data, is used for receiving a data originally only received by the downlink frequency channel..
Huizhou Tcl Mobile Communication Co., Ltd.


 Terminal, base station, communication system, and communication method patent thumbnailTerminal, base station, communication system, and communication method
There is provided a terminal for performing ofdm (orthogonal frequency-division multiplexing) communication with a base station forming a cell. The terminal includes a control channel processing unit configured to monitor, in a sub-frame, a first control channel in a cell-specific search space that is a search space common within the cell, and a first control channel in a ue-specific search space that is a search space specific to the terminal.
Sharp Kabushiki Kaisha


 Multiplexing apparatus, receiving apparatus, multiplexing method, and delay adjustment method patent thumbnailMultiplexing apparatus, receiving apparatus, multiplexing method, and delay adjustment method
A multiplexing apparatus includes processing circuitry. The processing circuitry multiplexes a plurality of mmt packets including at least one mmt packet to which first output time information representing a first output time and presentation time information representing a presentation time are added.
Kabushiki Kaisha Toshiba


 Quality metric for compressed video patent thumbnailQuality metric for compressed video
Methods and systems are disclosed for calculating and applying a vq metric which operates during the decoding of compressed video. As such, this metric is appropriate for all formats of compressed video codecs (e.g.
Cisco Technology, Inc.


 Control frame handling by a provider backbone bridge patent thumbnailControl frame handling by a provider backbone bridge
A method and bridge in a provider backbone bridge network, pbbn, for enabling frames from a higher layer entity attached alternatively to a provider instance port on an i-component of a backbone edge bridge or to a customer backbone port on a b-component of the backbone edge bridge, to reach an intended entity in the pbbn. A virtual instance port service access point, vip sap, is configured for every vip and every higher layer entity configured on the i-component.
Telefonaktiebolaget Lm Ericsson (publ)


 Transmitting apparatus patent thumbnailTransmitting apparatus
A transmitting apparatus according to one aspect of the present disclosure transmits a plurality of first transmission data and a plurality of second transmission data by using an ofdm (orthogonal frequency-division multiplexing) method. The transmitting apparatus includes frame configuring circuitry, which in operation, generates a frame including a first period in which a preamble is transmitted, a second period in which the plurality of first transmission data is multiplexed by a time division multiplexing method and is transmitted, and a third period in which the plurality of second transmission data is multiplexed by a frequency division multiplexing method and is transmitted; and transmitting circuitry that transmits the frame..
Panasonic Intellectual Property Corporation Of America


 Ethernet and ofdm multiplexing on utp cable patent thumbnailEthernet and ofdm multiplexing on utp cable
Systems, devices, and techniques relating to network upgrade and protocol selection in wireline communication networks are described. A described network device includes ports to connect with destination devices over wireline transmission mediums, wireline transmission mediums respectively comprising at least one pair of wires for transmitting and receiving data; a packet processor configured to forward packets to and from the ports; first transceiver circuitry configured to communicate using an ethernet protocol over at least a portion of the wireline transmission mediums; second transceiver circuitry configured to communicate using an ofdm broadband protocol over at least a portion of the wireline transmission mediums; and a controller.
Marvell World Trade Ltd.


Short training field for wifi

A first training field is generated for a preamble of an orthogonal frequency division multiplex (ofdm) data unit for transmission via a communication channel according to a first communication protocol. The first training field: i) conforms to a second communication protocol, and ii) has a first periodicity.
Marvell World Trade Ltd.

Method and transmitting channel state information-reference signals in wireless communication system

A method of transmitting channel state information (csi)-reference signals (rs) at a base station in a wireless communication system includes generating a reference signal sequence, and mapping the reference signal sequence to resource elements (res) included in one or more patterns for 8-port csi-rs transmission among five patterns for 8-port csi-rs transmission located in a first region of a prb pair and three patterns for 8-port csi-rs transmission located in a second region of the prb pair. A maximum of two ofdm (orthogonal frequency division multiplexing) symbols is used for a physical downlink control channel in a subframe including the prb pair..
Lg Electronics Inc.

Methods of data allocation in subcarriers and related apparatuses using the same

Methods of data allocation and signal receiving, a wireless transmitting apparatus, and a wireless receiving apparatus are provided based on orthogonal frequency division multiplexing (ofdm) technology. The wireless transmitting apparatus obtains a data stream and allocates the data stream to a first sub-carrier set.
Acer Incorporated

Ofdm mobile networks

Mobile networks using orthogonal frequency division multiplex (ofdm) and or spread spectrum modulation and demodulation techniques process in mobile devices spread spectrum signals into ofdm signals. A first mobile device receives and demodulates a spread spectrum modulated signal into a baseband spread spectrum signal and processes the baseband spread spectrum signal into a first ofdm signal.

Methods of data allocation and signal receiving, wireless transmitting apparatus and wireless receiving apparatus

Methods of data allocation and signal receiving, a wireless transmitting apparatus, and a wireless receiving apparatus are provided based on orthogonal frequency division multiplexing (ofdm) technology. The wireless transmitting apparatus obtains a data stream and allocates the data stream to a first sub-carrier set.
Acer Incorporated

Broadband high-speed wavelength-division multiplexed receiver using multiple photodetectors per channel

An optical receiver, used in wavelength-division multiplexing, has multiple photodetectors per channel. The optical receiver comprises a demultiplexer to separate incoming light into different output waveguides, one output waveguide for each channel.
Skorpios Technologies, Inc.

Wireless communications system and wireless radio frequency apparatus

A wireless communications system includes a bbu, an optical multiplexer, m (greater than or equal to 2) first optical transceivers, and a wireless radio frequency apparatus, where the m first optical transceivers are provided between the bbu and the optical multiplexer, operating wavelengths of the m first optical transceivers are different from each other. The wireless radio frequency apparatus includes m rrus, m second optical transceivers separately corresponding to the m first optical transceivers, and at least one optical splitter, where the m second optical transceivers are separately connected to the m rrus, and an operating wavelength of a first optical transceiver matches an operating wavelength of a corresponding second optical transceiver.
Huawei Technologies Co., Ltd.

Wavelength collision detection in carrier multiplexers

This disclosure relates to optical line system equipment, which enables wavelength addition for long haul transmission. The system is configured to prevent contention of wavelengths added into a multiplexer.
Infinera Corporation

Wavelength division multiplexing transmission system

In a wavelength division multiplexing transmission system, a controller of a relay node of a post-stage notifies level decrease information to a transmission node, upon detecting a decrease in a level of a wavelength in a wavelength multiplex signal received from the transmission node of a pre-stage by the optical channel monitor of the transmission node. The controller of the transmission node of the pre-stage determines that a failure occurs in the wavelength of the transponder of the transmission node, upon detecting a decrease in the level of the wavelength in the wavelength multiplex signal transmitted to the relay node by the optical channel monitor of the transmission node and upon receiving the level decrease information for the wavelength from the relay node.
Fujitsu Limited

Sub-channel allocation in orthogonal frequency division multiplex wlan

A first communication device receives one or more downlink orthogonal frequency division multiplexing (ofdm) data units transmitted by a second communication device via one or more respective sub-channels of an ofdm communication channel. The first communication device identifies the one or more sub-channels of the ofdm communication channel on which the one or more downlink ofdma data units were transmitted, and determines whether each of the one or more sub-channels on which the one or more downlink ofdma data units were transmitted is busy.
Marvell World Trade Ltd.

Analog-to-digital conversion with noise injection via wavefront multiplexing techniques

An analog-to-digital conversion system comprises a first processor, a bank of n analog-to-digital converters, and a second processor. The first processor is configured to receive m input signal streams, perform a wave-front multiplexing transform in analog domain on the m input signal streams and output concurrently n mixed signal streams, m and n being integers and n≧m>1.
Spatial Digital Systems, Inc.

Multi-channel amplifier with chopping

Aspects of this disclosure relate to an amplifier with at least two chopper amplifier channels in parallel between a shared input and differential nodes. The amplifier can multiplex outputs of the chopper amplifier channels to provide the output of one or more chopper amplifier channels to the differential nodes at a time.
Analog Devices, Inc.

Method and system for a distributed transmission line multiplexer for a multi-core multi-mode voltage-controlled oscillator (vco)

Methods and systems for a distributed transmission line multiplexer for a multi-core multi-mode voltage-controlled oscillator (vco) may comprise a plurality of voltage controlled oscillators (vcos) arranged adjacent to each other, where each of the plurality of vcos are operable to generate an output signal at a configurable frequency, an impedance matching circuit comprising a respective driver and impedance matching elements coupled to each of the plurality of vcos, and an output device coupled to the impedance matching circuit. The impedance matching elements may include capacitors and inductors.
Maxlinear, Inc.

Eye mounted displays and systems, with variable resolution

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

Touch sensor, display apparatus including the same, and sensing touch panel

A touch sensor is disclosed. The touch sensor includes a touch panel including sensing nodes arranged in a matrix form and sensing lines connected to the sensing nodes, a touch sensing unit for providing driving signals for driving the sensing nodes, and a selector including a plurality of multiplexers for selectively providing the driving signals provided from the touch sensing unit to the sensing lines of the touch panels, wherein each of the multiplexers is selectively connected to two or more corresponding sensing nodes among the sensing nodes, and the two or more sensing nodes of the touch panel, selectively connected to each of the multiplexers, are positioned at different columns and rows..
Dongbu Hitek Co., Ltd.

Illumination device and image display apparatus

An illumination device includes: an excitation light source that emits excitation light having a first wavelength; and a fluorescent member that includes a fluorescent substance that, when it is irradiated with the excitation light, emits light having a second wavelength longer than the first wavelength, transmits a part of the excitation light and reflects another part of the excitation light, and a first reflective film provided at a side of the fluorescent substance, which is opposite to an excitation light incidence side, the fluorescent member emitting multiplexed light including an excitation light component reflected from the fluorescent substance and the first reflective film and a light component emitted from the fluorescent substance.. .
Sony Corporation

At-speed test access port operations

This disclosure describes different ways to improve the operation of a device's 1149.1 tap to where the tap can perform at-speed update & capture, shift & capture and back to back capture & shift operations. In a first embodiment of the disclosure the at-speed operations are achieved by time division multiplexing cmd signals onto the tms input to the tap.
Texas Instruments Incorporated

Virtual access of input/output (i/o) for test via an on-chip star network

One embodiment of the present invention sets forth an integrated circuit that includes multiple input/output (i/o) pad groups. Each i/o pad group includes an on-chip star network, multiple i/o pads, multiple test multiplexers, a digital-to-analog converter (dac), and a wide-range comparator.
Nvidia Corporation

Antibodies to paliperidone and use thereof

Disclosed is an antibody which binds to paliperidone, which can be used to detect paliperidone in a sample such as in a competitive immunoassay method. The antibody can be used in a lateral flow assay device for point-of-care detection of paliperidone, including multiplex detection of aripiprazole, quetiapine, olanzapine, and risperidone/paliperidone in a single lateral flow assay device..
Janssen Pharmaceutica Nv





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