System and method for performing high-speed communications over fiber optical networks

An optical communication system comprising:

• a first transceiver coupled by an optical network to a second transceiver and third transceiver,
• the first transceiver including an equalization block and a modulation block,
• the equalization block operable to determine a first set of coefficients to equalize a potion of an optical signal received over the optical network from the second transceiver and a second set of coefficients to equalize a portion of the optical signal received over the optical network from the third transceiver, the equalization block including a blind equalization routine that does not use a known training sequence to equalize the portions of the optical signal, the equalization block operable to equalize the portions of the optical signal using the determined coefficients, and
• the modulation block operable to demodulate equalized portions of the optical signal according to an m-ary modulation format.

An optical communication system comprising:

• a first transceiver coupled by an optical network to a second transceiver and third transceiver,
• the first transceiver including an equalization block and a modulation block;
• the equalization block operable to determine a first set of coefficients to equalize a potion of an optical signal received over the optical network from the second transceiver and a second set of coefficients to equalize a portion of the optical signal received over the optical network from the third transceiver, the equalization block including a blind equalization routine that does not use a known training sequence to equalize the portions of the optical signal, the equalization block operable to equalize the portions of the optical signal using the determined coefficients;
• the modulation block operable to demodulate equalized portions of the optical signal according to an m-ary modulation format;
• and
• a first optical link for coupling the first and second transceiver, and a second optical link for coupling the first and third transceivers and where the equalization block is operable to select one of the first or second set of coefficients responsive to the portion of the optical signal being equalized.

A transceiver comprising:

• an equalizer for equalizing a received optical signal to provide an equalized signal;
• a demodulator in communication with the equalizer for demodulating the equalized signal according to an m-ary modulation format to provide a demodulated signal;
• an inner-decoder in communication with the demodulator for decoding the demodulated signal according to an inner code to provide an inner decoded signal;
• an outer-decoder in communication with the inner-decoder for decoding the inner-decoded signal according to an outer code;
• an optical module including a first bi-directional optical fiber interface including a first detector and a first driver;
• a second bi-directional optical fiber interface including a second detector and a second driver;
• and
• management means for managing data flow across the first bi-directional optical fiber interface and across the second bi-directional optical fiber interface.

A transceiver comprising:

• an equalizer for equalizing a received optical signal to provide an equalized signal;
• a demodulator in communication with the equalizer for demodulating the equalized signal according to an m-ary modulation format to provide a demodulated signal;
• an inner-decoder in communication with the demodulator for decoding the demodulated signal according to an inner code to provide an inner decoded signal;
• an outer-decoder in communication with the inner-decoder for decoding the inner-decoded signal according to an outer code;
• an optical module including a first bi-directional optical fiber interface including a first detector and a first driver;
• a second bi-directional optical fiber interface including a second detector and a second driver;
• and
• a multiplexer for multiplexing a first demultiplexed data stream received over the first bi-directional optical fiber interface and a second demultiplexed data stream received over the second bi-directional optical fiber interface into a multiplexed data stream for transmission.

A transceiver comprising:

• an equalizer for equalizing a received optical signal to provide an equalized signal;
• a demodulator in communication with the equalizer for demodulating the equalized signal according to an m-ary modulation format to provide a demodulated signal;
• an inner-decoder in communication with the demodulator for decoding the demodulated signal according to an inner code to provide an inner decoded signal;
• an outer-decoder in communication with the inner-decoder for decoding the inner-decoded signal according to an outer code;
• an optical module including a first bi-directional optical fiber interface including a first detector and a first driver;
• a second bi-directional optical fiber interface including a second detector and a second driver;
• and
• a queue manager for managing traffic for a first bi-directional link associated with the first bi-directional optical fiber interface independently from traffic for a second bi-directional link associated with the second bidirectional optical fiber interface.

A transceiver comprising:

• an optical module including
• a first bi-directional optical fiber interface including a first detector and a first driver, and
• a second bi-directional optical fiber interface including a second detector and a second driver;
• and
• an equalization block operable to determine a set of coefficients to equalize an optical signal received at either optical fiber interface;
• a modulation block operable to demodulate equalized portions of the optical signal according to an m-ary modulation format;
• and
• management means for managing data flow across the first bi-directional optical fiber interface and across the second bi-directional optical fiber interface.