Nxp B.v.

Sujan Pandey

Hubertus Gerardus Hendrikus Vermeulen

Abhijit Kumar Deb

Piotr Polak

Johannes Petrus Antonius Frambach

Donald Robert Pannell

Philip Axer

Frits Anthonie Steenhof

Nicola Concer

Embodiments of a device and method are disclosed. In an embodiment, a method of communications involves at a communications device, receiving a request for changing a network parameter of the communications device and at the communications device, granting or denying the request based on link status information that is stored in the communications device, where the link status information specifies a link failure status of a communications link within a wired communications network that involves the communication device.

Communications device and method of communications

Embodiments of a device and method are disclosed. In an embodiment, a method of communications involves at a communications device, detecting an erroneously transmitted packet based on a communications protocol associated with the erroneously transmitted packet, and from the communication device, notifying a wired communications network of the erroneously transmitted packet.

Embodiments of a device and method are disclosed. In an embodiment, a method of communications involves generating a packet for communications in a wired communications network, where the packet includes a header and a payload, and where the header includes packet type information that indicates a network connection within the wired communications network in which the packet is used, and transmitting the packet through the network connection.

Embodiments of a device and method are disclosed. In an embodiment, a physical layer (PHY) device that is compatible with the IEEE 802.3 standard and that utilizes carrier-sense multiple access with collision detection (CSMA/CD) for media access control to a shared media is disclosed. The PHY device includes a physical coding sublayer transmitter (PCS-TX), a physical medium attachment transmitter (PMA-TX), a physical coding sublayer receiver (PCS-RX), a physical medium attachment receiver (PMA-RX), and a media access priority manager configured to initiate transmission of an indication of a priority of a frame that is to be transmitted onto the shared media.

Physical layer device that connects to a shared media and method for operating a physical layer device that connects to a shared media

Embodiments of a method and a device are disclosed. In an embodiment, a method for operating a communications network is disclosed. The method involves setting, at a first network node in the communications network, a register value that is indicative of a fault status associated with the first network node, the register value being set in a physical layer device of the first network node, receiving fault status information at an element in the communications network, the fault status information corresponding to the register value that is set in the physical layer device of the first network node, and determining, at the element in the communications network, a fault status of the communications network in response to the fault status information received at the element in the communications network.

Method and system for diagnosis of failures in a communications network

Embodiments of a device and method are disclosed. In an embodiment, a method of communications involves allocating communications devices of a wired communications network to clusters, assigning addresses to the clusters, where each communications device within one of the clusters has an identical address, and conducting communications between the communications devices based on the addresses assigned to the clusters.

Embodiments of a method and a device are disclosed. In an embodiment, a method for operating a wired communications device involves including a frame boundary bit sequence and a random data sequence as a preamble of a bit stream, encoding the bit stream into an encoded bit stream, and transmitting the encoded bit stream using the wired communications device.

Wired communications device and method for operating a wired communications device

Embodiments of a method and a device are disclosed. In an embodiment, a method for operating a wired communications device involves performing a bit mapping operation on an input bit stream to generate a mapped bit stream, performing a bit scrambling operation in response to the mapped bit stream to generate a scrambled bit stream, generating an encoded bit stream in response to the scrambled bit stream, and transmitting the encoded bit stream using the wired communications device.

Embodiments of a device and method are disclosed. In an embodiment, a method of communications involves determining a characteristic of a header or a payload, generating an error control code for the header or for the header and the payload based on the characteristic of the header or the payload, and attaching the error control code to the header and the payload to form a data packet for communications in a wired communications network.

A method and apparatus for updating an encryption key for performing encrypted communication over a communications network. The method comprises, within a timestamp distribution node, transmitting a message to at least one timestamp reception node of the communications network containing a timestamp value. The method further comprises, within the at least one timestamp reception node, receiving the message from the timestamp distribution node and extracting the timestamp value. Wherein, within each of the timestamp distribution node and the at least one timestamp reception node, the method comprises generating at least one updated encryption key for performing encrypted communication based at least partly on the extracted timestamp value.

Method and apparatus for updating an encryption key

The present application relates to a transceiver, TX/RX PHY, and a method of operating the TX/RX PHY arranged for bi-directional data communication of a node with a counterpart node connected to in a point-to-point network using differential mode signaling over a single twisted-pair cable. A TX adjustment component is arranged in a TX path of the TX/RX PHY and configured to adjust a TX data communication signal generated by the TX/RX PHY for transmittal to the counterpart node. The TX adjustment component is further configured to accept information about a common mode signal detected on the single twisted-pair cable and to adjust the TX data communication signal to at least weaken the common mode signal occurring at the counterpart node in response to transmitting the TX data communication signal.

Transceiver and method of adjusting the TX signal of the transceiver for weakening EMI

An example communications apparatus includes a plurality of communicatively-interconnected communication domains and an electronic switch, integrated as part of a first domain of the plurality of communicatively-interconnected communications domains. The electronic switch effects secure communications of data over the one or more channels specific to the first domain, by using a first circuit and a second circuit. The first circuit is used to obtain and process sampled channel properties associated with the one or more channels specific to the first domain. The second circuit is used to generate, in response to the first circuit, a domain-specific code that is generated pseudo-randomly using the processed sampled channel properties, the domain-specific code being used for coding data conveyed over the one or more channels specific to the first domain.

Apparatuses and methods for generating domain-specific codes

Embodiments of a method and a device are disclosed. In an embodiment, a method for performing physical layer operations in a communications network is disclosed. The method involves determining a desired error management mode for a receiver at a first network node, at the first network node, embedding an indication of the desired error management mode into a forward error correction (FEC) frame, and transmitting the FEC frame from the first network node. In an embodiment, embedding an indication of the desired error management mode into an FEC frame includes embedding an operations, administration, and management (OAM) word into the FEC frame to communicate the indication of the desired error management mode.

Physical layer device and method for performing physical layer operations in a communications network

Embodiments of a method and a device are disclosed. An embodiment of a method for performing physical layer operations in a communications network is disclosed. The method involves determining a value of a digital signal processor (DSP) parameter for a receiver at a first network node, at the first network node, embedding the value of the DSP parameter into a protocol data unit (PDU), and transmitting the PDU from the first network node.

Network device and method for performing network operations in a communications network

An example network communication device include a communication circuit and a processing circuit. The communication circuit securely communicates over a network using a rotating code and the processing circuit enter a sleep mode at which time values of the rotating code are unknown by the network communication device. The processing circuit enters the sleep mode by requesting another network communication device of the network to authorize entering the sleep mode, and entering the sleep mode responsive to an indication verifying that the network communication device and the other network communication device agree on a set of secure parameters that is created pseudo-randomly, wherein the processing circuit enters the sleep mode with the set of secure parameters as stored for awakening but without storage of the values of the rotating key.

Growing community of inventors

Waalre, Netherlands

Sujan Pandey