Abstract: Communication in a first spectrum and via a first transmission line of first data is according to a time-division duplexing scheme such as G.fast. Communication in a second spectrum and via a second transmission line of second data is according to a frequency-division duplexing scheme such as VDSL2. The first and second spectra both comprise an overlap spectrum. The first transmission line experiences first crosstalk from the second transmission line and the second transmission line experiences second crosstalk from the first transmission line.

Abstract: Communication in a first spectrum and via a first transmission line of first data is according to a time-division duplexing scheme such as G.fast. Communication in a second spectrum and via a second transmission line of second data is according to a frequency-division duplexing scheme such as VDSL2. The first and second spectra both comprise an overlap spectrum. The first transmission line experiences first crosstalk from the second transmission line and the second transmission line experiences second crosstalk from the first transmission line.

Abstract: Techniques for implementing timesharing in discontinuous systems, for example to implement low power modes, are discussed. In some embodiments, a set of bit loading tables is determined in advance, and bit loading tables are then selected based on which lines are transmitting and which are quiet.

Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool in a drilling machine; and a tool head for machining the borehole surface, where the tool head has an outer shell surface on which a cutter protrudes laterally from the shell surface, and where the outer shell surface has a camber along the longitudinal direction of the tool.

Abstract: Simulation devices for simulating communication lines are provided. In some embodiments, different parameters are used along a line length.

Abstract: A system for redistributing bandwidth among a plurality of customer premises equipments (CPEs), wherein each of the plurality of CPEs have an initial bandwidth allocation, comprises a distribution point unit (DPU). The DPU is configured to detect an excess available bandwidth condition of one of the plurality of CPEs, detect a need for additional bandwidth condition of another one of the plurality of CPEs, communicate a bandwidth re-allocation request and a set of granted tones to the CPE having the detected excess available bandwidth condition and to the CPE having the detected additional bandwidth condition, and communicate a time instant at which the set of granted tones should be switched from the CPE having the detected excess available bandwidth condition to the CPE having the detected additional bandwidth condition.

Abstract: A residential gateway connecting an access network to an in-home network includes an access network transceiver configured for a first communication with an access network component via a wireline and an in-home network transceiver configured for a second communication with an in-home network component via the same wireline or at least one further wireline. The residential gateway further includes synchronization circuitry configured to synchronize a timing between the first and the second communication and interference mitigation circuitry configured to mitigate interference between the first and the second communication based on the synchronized timing.

Abstract: Communication devices and methods are provided which enable communication both with modulo receivers and legacy receivers. Different types of precodings are used in a joint precoding to reduce crosstalk between communication connections to all receivers.

Abstract: Methods and devices are provided wherein a signal sent on a special operation channel is modified by an identification of a line.

Abstract: A decoder circuit that supports non-linear precoded signals is disclosed. The decoder circuit comprises a modulo estimation circuit configured to receive a non-linear pre-coded quadrature amplitude modulated (QAM) data symbol and determine a modulo shift estimate associated with the received QAM data symbol, wherein the modulo shift estimate comprises a modulo shift that brings the received QAM symbol within the predetermined QAM constellation. The decoder circuit further comprises a QAM decoder circuit configured to map the received QAM data symbol to a winning constellation point, wherein the winning constellation point comprises a constellation point in an extended QAM constellation associated with the predetermined QAM constellation, and determine a quantized constellation point comprising a constellation point within the predetermined QAM constellation from the winning constellation point, based on applying the modulo shift corresponding to the modulo shift estimate to the winning constellation point.

Abstract: Methods and devices related to channel estimation for a communication system comprising a plurality of communication connections are provided. For channel estimation, test sequences are used having three different elements, for example ?1, 0 and +1.

Abstract: A tool for roughening a borehole surface. The tool includes a coupling portion for clamping the tool in a drilling machine; and a tool head for machining the borehole surface, where the tool head comprises a cutter that is circumferentially disposed on the tool head, and where the tool head has at least one slit, which passes through from one side to the other and which, starting from an end face of the tool head, and extends axially along a longitudinal axis of the tool.

Abstract: Methods and devices are discussed where a common bit loading table is constructed from minimum gain from a plurality of bit loading tables for different combinations of lines being in a transmit or quiet mode.

Abstract: Communication in a first spectrum and via a first transmission line of first data is according to a time-division duplexing scheme such as G.fast. Communication in a second spectrum and via a second transmission line of second data is according to a frequency-division duplexing scheme such as VDSL2. The first and second spectra both comprise an overlap spectrum. The first transmission line experiences first crosstalk from the second transmission line and the second transmission line experiences second crosstalk from the first transmission line.

Abstract: A method that accomplishes margin equalization utilizing tone ordering is provided. The method includes measuring a respective signal-to-noise-ratio (SNR) margin for each respective tone in a multicarrier channel. A plurality of tone groups is determined by, for each tone group, grouping at least one tone with a relatively high SNR margin with at least one tone with a relatively low SNR margin to form a tone group. Ordering information describing the plurality of tone groups is communicated to a transmitter. The transmitter is configured to load bits for transmission by way of the tones based at least on the ordering information.

Abstract: Methods, devices and techniques are disclosed where vectoring is adapted to lines becoming inactive and active, for example in a discontinued operation. In some embodiments, the vectoring is modified based on already present coefficients.

Abstract: Various methods, techniques and devices are disclosed which optimize an output power spectral density taking properties and changes of crosstalk reduction like crosstalk precompensation into account. The techniques disclosed may for example be employed in distribution points of a communication system.

Abstract: Techniques for implementing timesharing in discontinuous systems, for example to implement low power modes, are discussed. In some embodiments, a set of bit loading tables is determined in advance, and bit loading tables are then selected based on which lines are transmitting and which are quiet.

Abstract: Methods and devices are discussed where a common bit loading table is constructed from minimum gain from a plurality of bit loading tables for different combinations of lines being in a transmit or quiet mode.

Abstract: Simulation devices for simulating communication lines are provided. In some embodiments, different parameters are used along a line length.