COMMUNICATION DEVICES, SYSTEMS AND METHODS
Methods and devices are presented using reference virtual noise for computing a bit loading.
1 - 27 . (canceled)
28 . A device to mitigate crosstalk noise on a signal to be transmitted over a transmission line of a network, the device comprising:
a transceiver configured to receive a reference noise signal that is an estimation of noise on the transmission line,
wherein the transceiver is configured to determine a bit loading value of the signal that mitigates the crosstalk noise based on the reference noise signal.
29 . The device of claim 28 , wherein the transceiver is configured to receive an update of the reference noise signal at showtime.
30 . The device of claim 29 , wherein the transceiver is configured to determine the bit loading value of the signal based on the update of the reference noise signal.
31 . The device of claim 29 , wherein the transceiver is configured to receive the update of the reference noise signal that represents an actual noise at the transceiver.
32 . The device of claim 31 , wherein the transceiver is configured to receive the update of the reference noise signal that represents the actual noise caused by crosstalk from cables situated adjacent each other.
33 . The device of claim 29 , wherein the transceiver is configured to receive the reference noise signal that represents a reference noise pattern of the actual noise at the transceiver.
34 . The device of claim 33 , wherein the transceiver is configured to receive the reference noise signal from measured noise values of the reference noise pattern.
35 . The device of claim 28 , wherein the transceiver receives the reference noise signal at initialization of the transceiver.
36 . The device of claim 28 , wherein the transceiver is configured to receive the reference noise signal that corresponds to a signal-to-noise-ratio margin used by the transceiver.
37 . The device of claim 28 , wherein the transceiver is configured to generate the bit loading value based on the reference noise signal for a plurality of a modes of communication.
38 . The device of claim 37 , wherein the transceiver is configured to switch between the modes of communication, wherein at least one of the modes of communication is a power saving mode.
39 . The device of claim 28 , wherein the transceiver is configured to receive the reference noise signal that represents non-stationary noise arising from power transitions in other transmission lines.
40 . The device of claim 28 , wherein the transceiver is configured to receive the reference noise signal in the form of power spectral density signals sampled at breakpoints of a frequency band of the estimation of noise on the transmission line.
41 . The device of claim 28 , wherein the transceiver is configured to determine the bit loading such that any changes of a power spectral density in other transmission lines do not cause an increase in the crosstalk beyond a predefined signal-to-noise-ratio margin.
42 . The device of claim 28 , wherein the transceiver is configured to transmit the signal over the network in accordance with a DSL protocol.
43 . The device of claim 28 , wherein the device transmits the signal over the network in accordance with a G.fast protocol.
44 . The device of claim 28 , wherein the transceiver is part of a Customer Premises Equipment device.
45 . The device of claim 28 , wherein the reference noise signal represents a virtual noise.
46 . The device of claim 28 , wherein the transceiver is configured to generate transmission parameters of the signal to be transmitted over the transmission line.
47 . The device of claim 28 , wherein the transceiver includes a receiver that receives the reference noise signal