Abstract: The present disclosure relates to an apparatus for increasing randomness among different communication lanes of a multilane wired data communication link. The apparatus comprises a multilane data transmitter configured to simultaneously transmit data over a first communication lane and a second communication lane of the multilane wired data communication link. The apparatus comprises a set of data scramblers configured to scramble the data before transmission by the multilane data transmitter. A first data scrambler is configured to scramble data starting with a first seed signal specifying an initial state of the first data scrambler. A second data scrambler is configured to scramble data starting with a second seed signal specifying an initial state of the second data scrambler. The first seed signal and the second seed signal differ from each other by a predetermined signal distance measure that increases the randomness among the data from the set of data scramblers.

Abstract: A power line data transceiver is for transmitting or receiving data over a power line. The power line is adapted to distribute electric power. The power line transmitter has a data transceiver coupled to the at least two wires of the shielded cable via a capacitive coupling network. The data transceiver is configured to transmit or receive a data signal over the at least two wires of the shielded cable. A power supply is coupled to the shielded cable over an inductive coupling network. The power supply is configured to inject a feeding current on the at least two wires of the shielded cable for feeding the electric load with electric power, and to receive a return current from the electric load over the conductive shield of the shielded cable.

Abstract: An apparatus for reduction of transmitter originated common mode signal in a wired data communication link includes a digital front-end configured to generate a differential transmit signal based on transmit data, and pulse-shape the differential transmit signal by a pulse-shaping filter to obtain a pulse-shaped differential transmit signal. The digital front-end includes a compensation filter configured to filter the differential transmit signal in order to reduce a common mode signal distortion.

Abstract: The disclosure relates to techniques for power efficient and smart echo cancellation. An apparatus is provided that comprises a finite impulse response filter having a set of M+1 filter coefficients for filtering values of a reference signal to obtain a first filtered reference signal. The apparatus comprises an interval selector for selecting values of the reference signal associated with a k-th time interval of an echo impulse response having N time intervals. The apparatus comprises M delay elements arranged after the interval selector for successively delaying the selected values. The apparatus comprises M+1 error estimators. A first error estimator is coupled to an output of the interval selector. Each of the remaining M error estimators is coupled to an output of a respective delay element. The M+1 error estimators are configured to determine the M+1 filter coefficients to minimize deviation between the first filtered reference signal and the received signal.

Abstract: A communication interface for use at a first end of a communication link including a number of communication lanes greater or equal to two. The communication interface includes a logic configured to cooperate with another communication interface at a second end of the communication link to send a data frame to the second end over the communication lanes. The logic is configured to store a communication lane status for each of the communication lanes, and when detecting that the communication lane status for a specific communication lane has changed to a determined status. The logic is configured to send the changed communication lane status for the specific communication lane to the communication interface at the second end and split a data frame accordingly. The communication interface provides seamless data communication between the first end and the second end of the communication link, even in case of a lane failure.

Abstract: A communication interface is used at a first end of a communication link and includes a number of communication lanes. The communication interface includes a logic configured to cooperate with another communication interface at a second end of the communication link to send data to the second end over the communication lanes. The logic is configured to store a communication lane status for an awake communication lane, and upon detecting that the communication lane status for the awake communication lane is changed to a first determined status: to stop sending data over the awake communication lane, change an asleep communication lane into a new awake communication lane, and inform the communication interface at the second end.

Abstract: An apparatus and method are provided for cancellation of RF interference coupling into a wired data communication link. The apparatus comprises: an input configured to provide an input signal, the input signal forming a digital representation of a signal received via the wired data communication link; an adaptive feed forward digital filter configured to filter the input signal in order to provide a feed forward filtered input signal; an adaptive feedback digital filter configured to filter a superposition signal in order to provide a feedback filtered output signal, the superposition signal representing an addition of the feed forward filtered input signal and the feedback filtered output signal; and an adjuster, configured to adjust the adaptive feed forward digital filter and the adaptive feedback digital filter based on an error signal, the error signal representing a difference between the input signal and the superposition signal.

Abstract: A power line data transceiver is for transmitting or receiving data over a power line. The power line is adapted to distribute electric power. The power line transmitter has a data transceiver coupled to the at least two wires of the shielded cable via a capacitive coupling network. The data transceiver is configured to transmit or receive a data signal over the at least two wires of the shielded cable. A power supply is coupled to the shielded cable over an inductive coupling network. The power supply is configured to inject a feeding current on the at least two wires of the shielded cable for feeding the electric load with electric power, and to receive a return current from the electric load over the conductive shield of the shielded cable.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.