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Physical Layer patents

      

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




 Method and  controlling carrier selection in wireless communications systems patent thumbnailnew patent Method and controlling carrier selection in wireless communications systems
A mobile communications system including: at least one base station configured to communicate data to/from different terminal devices via respective of plural logically separate carriers of a wireless access interface; first and second terminal devices operable to camp-on to first and second carriers of plural carriers and to subsequently communicate data with the at least one base station via the first and second carriers. The first and second carriers support compatible synchronisation signalling such that the first and second terminal devices both can synchronise with the first and second carriers to begin a camp-on procedure.
Sca Ipla Holdings Inc.


 Nlos wireless backhaul uplink communication patent thumbnailnew patent Nlos wireless backhaul uplink communication
A method for uplink (ul) wireless backhaul communication at a wireless backhaul remote unit in a radio access network comprising receiving a configuration for radio frames and a transmission schedule through a downlink (dl) physical layer broadcast channel, wherein the transmission schedule comprises a transmission allocation for the remote unit, generating a ul data frame, wherein generating the ul data frame comprises performing forward error correction (fec) encoding on a data bit stream to generate a plurality of fec codewords, wherein performing the fec encoding comprises performing reed solomon (rs) encoding on the data bit stream to generate a plurality of rs codewords, performing byte interleaving on the rs codewords, and performing turbo encoding on the byte interleaved rs codewords to generate one or more turbo codewords, wherein each turbo codeword is encoded from more than one rs codeword, and transmitting the ul data frame according to the transmission allocation.. .
Texas Instruments Incorporated


 Signaling resource allocations in multi-user data units patent thumbnailnew patent Signaling resource allocations in multi-user data units
A physical layer (phy) preamble of a multi-user (mu) phy data unit is generated. The phy preamble is generated to include formatting information regarding the mu phy data unit, including a field to be transmitted within a first individual communication channel among a plurality of individual communication channels that collectively span a bandwidth of a composite channel, each individual communication channel including a plurality of basic resource allocation (ra) units that collectively span a bandwidth of the individual communication channel.
Marvell World Trade Ltd.


 Transmitting apparatus, receiving apparatus, and  controlling the same patent thumbnailnew patent Transmitting apparatus, receiving apparatus, and controlling the same
A transmitting apparatus is provided. The transmitting apparatus includes at least one processor configured to implement: an l1 signaling generator configured to generate l1 signaling; a frame generator configured to generate a frame having a payload in which a plurality of physical layer pipes (plps) are included; and a signal processor configured to transmit the frame by adding a preamble including the l1 signaling in the frame.
Samsung Electronics Co., Ltd.


 Reliable dual sub-carrier modulation schemes in high efficiency wlan patent thumbnailnew patent Reliable dual sub-carrier modulation schemes in high efficiency wlan
Modulation schemes that use dual sub-carrier to reliably transmit physical layer related signaling information and/or data in high efficiency wireless local area network (he wlan) are proposed. The proposed schemes can be implemented with low complexity and provide better performance than existing modulation schemes used in wlan that are based on ieee 802.11/a/b/g/n/ac standards.
Mediatek Inc.


 Managing a number of ethernet links patent thumbnailnew patent Managing a number of ethernet links
A method for managing a number of ethernet links includes identifying a number of ethernet links to utilize a number of channels of a cable based on a number of capabilities and a number of policies of a number of media access controllers (macs) and a number of physical layer entities (phys), determining a number of ethernet link types to be configured for the cable based on the capabilities and policies of the macs and phys, negotiating a number of parameters to allow multi-channel ports of a number of nodes connected to the cable to establish communications through the ethernet links based on the determined ethernet link types and the utilized channels, and managing the cable configuration describing the macs to be supported by the channels within the cable based on the policies.. .
Hewlett Packard Enterprise Development Lp


 Physical layer management configured active optical module with native and non-native network element support patent thumbnailnew patent Physical layer management configured active optical module with native and non-native network element support
Systems for a plm configured active optical module (aom) with native and non-native-network element support are provided. A system includes a non-native network element having a first port with a first inventory interface; a first pluggable aom installed in the first port and coupled to the first inventory interface, where in response to a request to read a standard table entry the first pluggable aom provides plm information to the non-native network element in a format complying with a msa or a standard for the inventory interface; an extended network element having a second port with a second inventory interface; and a second pluggable aom installed in the second port and coupled to the second inventory interface, where in response to a request to read a non-standard table entry, processing devices provide plm information to the extended network element in a format for a physical layer management system..
Commscope Technologies Llc


 Physical layer frame format for wlan patent thumbnailnew patent Physical layer frame format for wlan
A first field of a preamble of a physical layer (phy) data unit is generated to include a first set of one or more information bits that indicate a duration of the data unit and is formatted to conform to a first communication protocol and such that the first field allows a receiver device that conforms to a second communication protocol to determine the duration of the data unit. A second field of a preamble of the phy data unit is generated to include a second set of one or more information bits that indicate to a receiver device that conforms to the first communication protocol that the data unit conforms to the first communication protocol.
Marvell World Trade Ltd.


 Multi-function, modular system for network security, secure communication, and malware protection patent thumbnailMulti-function, modular system for network security, secure communication, and malware protection
Representative embodiments are disclosed for providing network and system security. A representative apparatus includes an input-output connector coupleable to a data network; a network interface circuit having a communication port; a nonvolatile memory storing a configuration bit image; and a field programmable gate array (“fpga”) coupled to the network interface circuit through the communication port, the fpga configurable to appear solely as a communication device to the first network interface circuit, and to bidirectionally monitor all data packets transferred between the input-output connector and the first network interface circuit and any coupled host computing system.
Micron Technology, Inc.


 Device and  aggregating wlan and lte system patent thumbnailDevice and aggregating wlan and lte system
A communication device for aggregating a long term evolution (lte) system and a wireless local area network (wlan) comprises a storage unit for storing instructions and a processing means coupled to the storage unit. The processing means is configured to execute the instructions stored in the storage unit.
Htc Corporation


Ptp transparent clock system upgrade solution

A transparent clock converter is interposed between a non-precision time protocol (non-ptp) enabled network node and other portions of the network. The transparent clock converter effectively converts the non-ptp node into a transparent clock node.
Microsemi Communications, Inc.

Systems and methods for protecting communications

A method includes receiving a data packet including a header having a structure from an operating system at a virtualization layer, where the virtualization layer is above a physical layer and below all other layers. The method also includes performing an operation on a portion of the data packet other than the header, thereby creating a modified data packet and maintaining the original header structure.
Smart Security Systems Llc

Transport software defined networking (sdn) - logical to physical topology discovery

A physical layer network element comprising one or more physical ports, a network packet interface, and a processor coupled to the network packet interface. The processor and the network packet interface may be configured to inspect adjacency discovery messages forwarded across the network packet interface between adjacent logical nodes operating at a network layer and map at least one of the physical ports to at least one of the adjacent logical nodes, wherein the network packet interface and the processor are not configured to modify header information contained in the adjacency discovery messages forwarded across the network packet interface..
Huawei Technologies Co., Ltd.

Apparatus and timestamping of data packets

An apparatus and method for timestamping data packets are provided. The apparatus includes an input bit counter responsive to input bits entering a physical layer (phy) device and an output bit counter responsive to output bits transmitted by the phy device.
Broadcom Corporation

Data transmission indication method, access point and terminal

The present invention provides a data transmission indication method, an access point and a terminal. The method includes: sending, by an access point, orthogonal frequency division multiple access (ofdma) physical layer signaling to a terminal.
Huawei Technologies Co.,ltd.

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

The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural plps (physical layer pipes); encoding, by an encoder, data in the plural plps; time interleaving, by a time interleaver, the encoded data in the plural plps, wherein the time interleaving includes: cell interleaving, by a cell interleaver, the encoded data by permuting cells in a fec (forward error correction) block in the plural plps; frame mapping, by a framer, the time interleaved data onto at least one signal frame; and waveform modulating, by a waveform block, the mapped data in the at least one signal frame and transmitting, by the waveform block, broadcast signals having the modulated data..
Lg Electronics Inc.

Managing orthogonal frequency division multiple access uplink operations

Managing orthogonal frequency division multiple access (ofdma) uplink acknowledgements is described herein. An example system can include an interface circuit to generate a physical layer convergence protocol data unit (ppdu) including a physical layer preamble, a first sub-channel field corresponding to a first station, and a second sub-channel field corresponding to a second station.
Apple Inc.

Techniques for performing an intra-frame operation based at least in part on identifiers in a wireless local area network physical layer header

Methods, systems, and devices are described for wireless communication at a receiving device. A receiving device may receive a first physical layer header of a first wireless local area network (wlan) protocol data unit over a shared radio frequency spectrum band.
Qualcomm Incorporated

Access system, communication for optical fiber network

Embodiments of the present invention provide an access system and a communication method for an optical fiber network. A virtual onu located on a user side is established, and an onu control plane function, a pon mac function, and a qos function on an existing onu is moved downwards to a virtual onu.
Huawei Technologies Co., Ltd.

Light dimming for alleviating inter-frame flicker

Provided are a light dimming method for alleviating inter-frame flicker and dimming device. The light dimming method includes that: an average luminance value avgdata when a sender sends physical frames is calculated; whether inter-frame flicker is generated when the sender sends data or not is judged according to a ratio of avgdata to an average luminance value avglight in an illumination state; and if the inter-frame flicker is generated when the sender sends the data, the sender inserts a dimming frame in an idle pattern, wherein the dimming frame is used for compensating for a luminance difference between avgdata and avglight.
Zte Corporation

Dimming method, dimming device and computer storage medium

Disclosed are a dimming method, a dimming device and a computer storage medium. The method comprises: segmenting, on a media access control (mac) layer, a mac service data unit (msdu) into multiple sub-msdus of the same length; encapsulating the sub-msdus after the segmentation into separate mac protocol data units (mpdus), and separately generating a compensation frame (cf) for each mpdu according to a target brightness value of a light source; and aggregating the mpdus and the cfs into a physical layer service data unit (psdu) of a physical layer protocol data unit (ppdu) and transmitting the ppdu..
Zte Corporation

Memory system and memory physical layer interface circuit

A memory physical layer interface circuit electrically connected between a memory controller and a memory device is provided. The memory physical layer interface circuit includes a dock generation module and first-in-first-out (fifo) modules.
Realtek Semiconductor Corporation

Remote electronic physical layer access control using an automated infrastructure management system

Systems and methods for physical layer access control are provided. In one embodiment, a method using an automated infrastructure management system comprising a portable device, a management system and a secured equipment cabinet comprises: scanning an asset id tag with the portable device to obtain asset id data; transmitting the asset id data to the management system; verifying whether the asset id data is associated with an electronic lock identified by an electronic work order, where the work order defines tasks involving a network device within the cabinet; scanning a fingerprint with the portable device to obtain fingerprint id data; and verifying whether the fingerprint id data matches an authorized technician.
Adc Telecommunications, Inc.

Apparatus and system for object-based storage solid-state device

An object-based storage system comprising a host system capable of executing applications for and with an object-based storage device (osd). Exemplary configurations include a call interface, a physical layer interface, an object-based storage solid-state device (osd-ssd), and are further characterized by the presence of a storage processor capable of processing object-based storage device algorithms interleaved with processing of physical storage device management.
Digital Kiva Inc.

Lamp control system and control system

A lamp control system includes at least one first lamp network, at least one second lamp network and a lamp control gateway. The first lamp network is configured to emit light and to transmit a first message, and includes a first physical layer.
Radiant Opto-electronics Corporation

Adaptive physical layer warm-up for lte tdd c-drx power optimization

Methods and apparatus to reduce power consumption in user equipment (ue) that operates in a connected discontinuous reception (c-drx) mode while in communication with wireless network are disclosed. A c-drx warm-up period before the ue enters an on-duration is adjusted dynamically based on one or more factors including a time division duplex (tdd) uplink/downlink (ul/dl) subframe configuration, signal-to-noise ratio (snr) values, and doppler shift values.
Apple Inc.

Apparatus, system and multi-user wireless communication

Some demonstrative embodiments include apparatuses, devices, systems and methods of multi-user (mu) wireless communication. For example, a wireless station may be configured to generate a mu physical layer convergence protocol (plcp) protocol data unit (ppdu) including a header field and a plurality of media access control (mac) protocol data units (mpdus) to a respective plurality of users, the header field including an indication of a plurality of lengths of respective ones of the plurality of mpdus, one or more mpdus of the plurality of mpdus being followed by one or more respective phy padding portions extending to an end of a longest mpdu of the plurality of mpdus; and process transmission of the mu ppdu to the plurality of users over a wireless communication band..
Intel Corporation

Apparatus, computer readable medium, and alignment of long training fields in a high efficiency wireless local-area network

Apparatuses, computer readable media, and methods for extending a long-training field are disclosed. An apparatus of a high-efficiency (he) wireless local-area network (hew) device is disclosed.
Intel Ip Corporation

Null data packet frame structure for wireless communication

Methods, systems, and devices are described for wireless communication. In one aspect, a method of wireless communication includes generating a null data packet (ndp) frame comprising a physical layer preamble having a legacy preamble portion, a non-legacy portion, and an extension portion, wherein the extension portion is from the group consisting of: high efficiency (he) signal information, and a padding waveform.
Qualcomm Incorporated

Apparatus, computer readable medium, and an interleaver for higher quadrature amplitude modulation (qam) in a high efficiency wireless local-area network

A high-efficiency wireless local-area network (hew) device including physical layer and medium access control layer circuitry is disclosed. The physical layer and medium access control layer circuitry may be configured to encode data with a binary convolutional code (bcc) to generate encoded data, and interleave the encoded data in accordance with one of a plurality of interleaver configurations for one of a predetermined number of data subcarriers to generate interleaved encoded data.

Transmission method, reception method, transmission apparatus, and reception apparatus

The present invention relates to transmission and reception digital broadcast in a digital broadcast network supporting a configuration of multiple physical layer pipes (plps). In particular, signalling parameters relating to a complete plp are transmitted within layer 1 signalling related to the plp.
Sun Patent Trust

Apparatus, system and multi-user wireless communication

Some demonstrative embodiments include apparatuses, devices, systems and methods of multi-user (mu) wireless communication. For example, a wireless station may generate a mu physical layer convergence protocol (plcp) protocol data unit (ppdu) including a header field and a plurality of spatial streams (sss) of media access control (mac) protocol data units (mpdus) to a plurality of users, the header field including an indication of a plurality of modulation schemes corresponding to respective ones of the plurality of users; and process transmission of the mu ppdu to the plurality of users over a wireless communication band..
Intel Ip Corporation

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

The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural plps (physical layer pipes); encoding, by an encoder, data in the plural plps; processing, by a framing and interleaving block, the encoded data in the plural plps to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data..
Lg Electronics Inc.

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

The present invention provides a method of transmitting broadcast signals. The method includes, formatting, by an input formatting block, input streams into plural plps (physical layer pipes); encoding, by an encoder, data in the plural plps; processing, by a framing and interleaving block, the encoded data in the plural plps to output at least one signal frame; and waveform modulating, by a waveform generation block, data in the at least one signal frame and transmitting, by the waveform generation block, broadcast signals having the waveform modulated data..
Lg Electronics Inc.

Interface chip and built-in self-test method therefor

An interface chip with a built-in self-test mechanism. An electrical physical layer (ephy) provides a signal to a transmission terminal of the interface chip, and gets a signal from a reception terminal of the interface chip.
Via Technologies, Inc.

Method, apparatus and system of managing an encoder output rate based upon wireless communication link feedback

Machine-readable media, methods, apparatus and system for managing an encoder output rate at least partially based upon wireless communication link feedback are described. In some embodiments, a device driver of the system may generate link information indicating quality of a wireless communication link between the system and another system, wherein the link information is generated at least partially based upon at least one of media access layer (mac) information and physical layer information of the system.
Intel Corporation

Ofdm based broadcast communication system

Fdm based broadcast transmitter arrangement for transmitting a digital audio/video information signal, wherein an encoded version of the digital audio/video information signal is encapsulated in a network layer encapsulation step in accordance with dab, dvb-t or dvb-t2 to obtain a network layer information signal. The network layer information signal is then converted in a data link layer conversion step to obtain a data link layer information signal, which is subjected in a physical layer conversion step to obtain a broadcast information transmission signal..
Institut Fur Rundfunktechnik Gmbh

Method and transmitting control information in wlan system

A method and a radio apparatus for signal transmission in a wireless local area network (wlan) system are discussed. The method according to an embodiment includes generating first and second very high throughput (vht) fields including first and second control information, respectively; and transmitting a physical layer protocol data unit (ppdu) including the first and second vht fields to at least one target station.
Lg Electronics Inc.

Systems and methods for enabling communication between an accessory charger adapter (aca) and an aca-agnostic universal serial bus controller

A physical layer integrated circuit (phy), including an accessory charger adapter (aca) bridge circuit to communicate with an aca via a universal serial bus (usb) cable having at least an id pin and a vbus pin. The phy is also to communicate with an aca-agnostic usb controller configured to act as an a-device or as a b-device.
Texas Instruments Incorporated

Chip level switching for multiple computing device interfaces

Various semiconductor chips and computing devices are disclosed. In one aspect a semiconductor chip is provided that includes a first interface controller, a first physical layer connected to the first interface controller, a second interface controller, a second physical layer connected to the second interface controller, and a switch connected between the first interface controller and the second interface controller and the first physical layer and the second physical layer.

Method and transmitting data in very high throughput wireless local area network system

A method is provided for transmitting data in a wireless local area network. A transmitter generates an encoded data unit by performing a channel coding to transmission data to be included in a data field of a physical layer protocol data unit (ppdu).
Lg Electronics Inc.

Advanced data cell resource mapping

An example method of mapping a plurality of modulation symbols of a plurality of physical layer pipes present in a frame to a resource grid of data cells for the frame is described. The modulation symbols of the plurality of physical layer pipes are represented by a two-dimensional array comprising the modulation symbol values for the plurality of physical layer pipes and the resource grid of data cells is represented by a one-dimensional sequentially indexed array..
One Media Llc

User equipments, base stations and methods for carrier aggregation

A user equipment (ue) is described. The ue includes a higher layer processor configured/programmed to configure a plurality of serving cells.
Sharp Laboratories Of America, Inc.

Load power consumption management in discontinuous reception

According to one aspect of the present disclosure, a method is implemented by a particular user equipment (ue) that is part of a group of ues. The particular ue receives physical layer group signaling sent from a base station over a control channel on a first carrier.
Telefonaktiebolaget Lm Ericsson (publ)

Formatting for d2d synchronization signals

A method may be provided for a device to device (d2d) transmitter to distinguish between different d2d synchronization signals, d2dsss. The method may include transmitting a device to device synchronization signal (d2dss) for a first service to a d2d receiver; and associating a first set of d2dss physical layer parameters to the d2dss for the first service.
Telefonaktiebolaget Lm Ericsson (publ)

Method and handling buffer status reporting and scheduling request with dual connectivity

A method, apparatus and computer program product are provided to receive, at a user equipment, an indication providing a cell location to which the user equipment, operating in a dual connectivity mode, should transmit a buffer status report for one or more bearers, the cell location being one of a first location, a second location, or a first location and second location and in response to being triggered, causing buffer status report to be transmitted to the location provided in the indication. In some embodiments, the bearer may be a split bearer.
Nokia Technologies Oy

Method and system for data aggregation in an industrial communication protocol

A method and system for interacting with data frames passing through a module connected to an industrial network is disclosed. Each module includes an aggregation unit located on the network interface above the physical layer.
Rockwell Automation Technologies, Inc.

Shared control of a phase locked loop (pll) for a multi-port physical layer (phy)

Methods and systems for shared control of a phase locked loop (pll) for a multi-port physical layer (phy) are disclosed. In one aspect, an arbitration logic circuit is coupled to ports of a multi-port phy sharing a phase locked loop (pll).
Qualcomm Incorporated

Discontinuous reception in lte/lte-a networks including contention-based frequency spectrum

Enhanced discontinuous reception (drx) techniques are discussed for networks configured with some combination of contention-based spectrum. Various aspects provide common or separate drx configurations across all carriers and cells.
Qualcomm Incorporated

Long training field sequence construction

In wireless communications, a first device may determine a channel bandwidth and a high efficiency long training field (he-ltf) mode. The first device may generate an he-ltf symbol by using an he-ltf sequence corresponding to the determined channel bandwidth and he-ltf mode.
Newracom, Inc.

Apparatus and sending and receiving broadcast signals

A broadcast signal transmitter is disclosed. A broadcast signal transmitter according to the present invention comprises an input formatting module configured to de-multiplex an input stream into at least one plp (physical layer pipe); a bicm (bit interleaved coded modulation) module configured to perform error correction processing on the data of the least one plp; a frame building module configured to generate a signal frame including the at least one plp; a waveform generating module configured to generate the broadcast signal by inserting a preamble into the signal frame and performing ofdm modulation..
Lg Electronics Inc.

Null tone transmission in an unlicensed or shared spectrum

Systems, methods, and apparatuses for detecting interference caused by a wireless local area network (wlan) and a wireless wide area network (wwan) node operating in an unlicensed or shared spectrum is disclosed. In accordance with the present disclosure, a base station may generate a null tone pattern for one or more subframes transmitted to the ue.
Qualcomm Incorporated



Physical Layer topics:
  • Physical Layer
  • Base Station
  • Transmitting And Receiving
  • Internet Protocol
  • Hop Network
  • Error Rate
  • Allocation
  • Distributed
  • Communications
  • Machine Learning
  • Cognitive Radio
  • Network Device
  • User Interface
  • Encapsulation
  • Synchronous


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    This listing is a sample listing of patent applications related to Physical Layer 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 Physical Layer with additional patents listed. Browse our RSS directory or Search for other possible listings.


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