Abstract: A method for decoding a wireless channel includes generating hypotheses of how many antennas each of at least two base stations have in a synchronized network and how received signals are being transmitted for each of the at least two base stations, detecting a MIMO signal using the hypotheses and signal components received from the at least two base stations, decoding the signal, and determining whether the decoded signal is valid by performing a cyclical redundancy check calculation.

Abstract: In an embodiment, vector training signals are received. Noise affecting the training signals is evaluated, and a noise indication is thus determined.

Abstract: A method includes receiving a signal including a two-dimensional signal pattern in a time-frequency representation, the two-dimensional signal pattern including first reference resource elements at predetermined positions in the two-dimensional signal pattern. The method further includes determining a first covariance measure based on the first reference resource elements of the signal pattern. The method further includes determining a second covariance measure based on resource elements of the signal pattern different from the first reference resource elements. The method further includes determining a noise and interference covariance measure of the received signal based on the first covariance measure and based on the second covariance measure.

Abstract: An apparatus includes a transmitter configured to transmit data via a plurality of communication channels of a communication connection. The transmitter is further configured to transmit a same sequence for vector training on each of the communication channels. The sequences for at least two of the communication channels are shifted with respect to each other.

Abstract: A method for decoding a wireless channel includes generating hypotheses of how many antennas each of at least two base stations have in a synchronized network and how received signals are being transmitted for each of the at least two base stations, detecting a MIMO signal using the hypotheses and signal components received from the at least two base stations, decoding the signal, and determining whether the decoded signal is valid by performing a cyclical redundancy check calculation.

Abstract: Methods for adding a communication connection to a vectored group of communication connections and corresponding apparatuses are disclosed.

Abstract: One embodiment of the present invention relates to a transceiver. The transceiver includes a transmitter having a first transmission path configured to transmit a digital baseband signal over a wireline medium. In addition, the transmitter has a second transmission path configured to transmit a radio frequency signal over a wireless medium. Other systems and methods are also disclosed.

Abstract: Allocation of different signal-to-noise margins to different carriers in a multi-carrier system is described. A preferred embodiment comprises assigning signal-to-noise ratio (SNR) margins to carriers in a multi-carrier system, comprises assigning a first SNR margin to a first data service based upon a first service characteristic, assigning a second SNR margin to a second data service based upon a second service characteristic, transmitting data associated with the first data service using the first signal-to-noise margin, and transmitting data associated with the second data service using the second signal-to-noise margin.

Abstract: A method limits the effect of repetitive electrical impulse noise in a communication system. The presence of the repetitive electrical impulse noise is detected during communication service. If the repetitive electrical impulse noise is detected, then a message is transmitted which signals that the repetitive electrical impulse noise is present. Other systems and methods are disclosed.

Abstract: A first device receives a first signal transmitted over a transmission line from a second device. The first signal is processed and information is generated that is related to crosstalk from other transmission lines. The information is modulated onto at least one carrier of a plurality of carriers of a second signal to be transmitted from the first device to the second device.

Abstract: In some embodiments, sequences of pilot signals on different communication channels of a communication convection are shifted with respect to each other. In other embodiments, crosstalk couplings are calculated based on intermediate vectors.

Abstract: In an embodiment, a communication device is provided comprising transmit circuitry and crosstalk reduction circuitry. In an embodiment, the crosstalk reduction circuitry is configured to receive crosstalk information indicative of crosstalk between a plurality of communication connections for only a part of communication channels of said communication connections.

Abstract: In an embodiment, a communication device is provided comprising transmit circuitry and crosstalk reduction circuitry. In an embodiment, the crosstalk reduction circuitry is configured to receive crosstalk information indicative of crosstalk between a plurality of communication connections for only a part of communication channels of said communication connections.

Abstract: Allocation of different signal-to-noise margins to different carriers in a multi-carrier system is described. A preferred embodiment comprises assigning signal-to-noise ratio (SNR) margins to carriers in a multi-carrier system, comprises assigning a first SNR margin to a first data service based upon a first service characteristic, assigning a second SNR margin to a second data service based upon a second service characteristic, transmitting data associated with the first data service using the first signal-to-noise margin, and transmitting data associated with the second data service using the second signal-to-noise margin.

Abstract: In an embodiment, vector training signals are received. Noise affecting the training signals is evaluated, and a noise indication is thus determined.

Abstract: Allocation of different signal-to-noise margins to different carriers in a multi-carrier system is described. A preferred embodiment comprises assigning signal-to-noise ratio (SNR) margins to carriers in a multi-carrier system, comprises assigning a first SNR margin to a first data service based upon a first service characteristic, assigning a second SNR margin to a second data service based upon a second service characteristic, transmitting data associated with the first data service using the first signal-to-noise margin, and transmitting data associated with the second data service using the second signal-to-noise margin.

Abstract: Vectored communication devices and methods are provided for communication via a plurality of communication connections. Communication on at least some of the communication connections is switchable between a low power mode and a regular mode.

Abstract: A method limits the effect of repetitive electrical impulse noise in a communication system. The presence of the repetitive electrical impulse noise is detected during communication service. If the repetitive electrical impulse noise is detected, then a message is transmitted which signals that the repetitive electrical impulse noise is present. Other systems and methods are disclosed.

Abstract: An arrangement for use in a telecommunication system includes a binder of subscriber lines, a local transceiver circuit, and a far-end crosstalk cancellation circuit. Each of the subscriber lines ends at one of a plurality of remote user terminals. The local transceiver circuit is associated with the binder of subscriber lines and comprises a plurality of substantially identical transceiver modules, each of the transceiver modules being associated to one or a small number of subscriber lines. The far-end crosstalk cancellation circuit is configured to reduce far-end crosstalk between the subscriber lines of the binder, and is operably connected to interface with at least parts of the received data of the respective local transceiver modules. The far-end crosstalk cancellation circuit operable to implement a blind training algorithm for at least one victim subscriber line based on signals received by the respective associated transceiver modules.

Abstract: In a method for generating a periodic training signal comprising cyclically expanded training symbols for a transceiver which transmits data via a data transmission channel using a predetermined number N of modulated carrier signals an address pointer for addressing a starting address in a memory is calculated for each training symbol on the basis of cyclic expansion parameters and, starting from the calculated starting address, 2*N stored samples of a transformed training symbol are read cyclically from the memory.