IMPULSE NOISE MANAGEMENT
A discrete multitone transceiver (DMT) includes a deinterleaver operable to de-interleave a plurality of bits. The DMT further includes: a forward error correction decoder operable to decode the plurality of bits, a module operable to determine, during Showtime, an impulse noise protection value, wherein the impulse protection value specifies a number corrupted DMT symbols that can be corrected by the forward error correction decoder in combination with the deinterleaver, and a receiver coupled to the deinterleaver. The receiver receives using a first interleaver parameter value, receives a flag signal, and changes to receiving using a second interleaver parameter value that is different than the first interleaver parameter value, wherein the second interleaver parameter value is used for reception on a pre-defined forward error correction codeword boundary following reception of the flag signal.
1 - 72 . (canceled)
73 . A method, in a transceiver, comprising:
transmitting using a transmission parameter value;
transmitting a flag signal; and
changing to transmitting using a second transmission parameter value that is different than the transmission parameter value, wherein the second transmission parameter value is used for transmission on a pre-defined forward error correction codeword boundary following transmission of the flag signal.
74 . The method of claim 73 , wherein the flag signal is an inverted sync symbol.
75 . The method of claim 73 , wherein the change in transmission value does not cause one or more of bit errors and service interruption.
76 . The method of claim 73 , wherein the change in transmission value is associated with at least one of an impulse noise protection value, a data rate and a latency value.
77 . The method of claim 73 , wherein the change in transmission parameter value is associated with a service provider configuration.
78 . The method of claim 73 , further comprising transmitting the flag signal on a telephone line that experiences impulse noise from external sources including one or more of AM radio, HAM radio and AC power lines.
79 . The method of claim 73 , wherein the transceiver is located in a linecard that includes a management interface that is usable by an operator or service provider to configure a service.
80 . A device comprising:
an transmitter configured to transmit a plurality of bits and configured to:
transmit using a transmission parameter value;
transmit a flag signal; and
change to transmitting using a second transmission parameter value that is different than the first transmission parameter value, wherein the second transmission parameter value is used for transmission on a pre-defined forward error correction codeword boundary following transmission of the flag signal.
81 . The device of claim 80 , wherein the flag signal is an inverted sync symbol.
82 . The device of claim 80 , wherein the change in transmission value does not cause one or more of bit errors and service interruption.
83 . The device of claim 80 , wherein the change in transmission value is associated with at least one of an impulse noise protection value, a data rate and a latency value.
84 . The device of claim 80 , wherein the change in transmission value is associated with a service provider configuration.
85 . The device of claim 80 , wherein the transmitter is further configured to transmit the flag signal on a telephone line that experiences impulse noise from external sources including one or more of AM radio, HAM radio and AC power lines.
86 . The device of claim 80 , wherein the transmitter is located in a linecard that includes a management interface that is usable by an operator or service provider to configure a service.
87 . The device of claim 80 , wherein the transmitter is located in a Customer Premises Equipment (CPE) that includes a management interface that is usable by an operator, a service provider or service user.
88 . The device of claim 80 , wherein the transmitter includes at least one digital signal processor.
89 . The device of claim 80 , wherein the transmitter includes at least one ASIC (Application-Specific Integrated Circuit).