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US 11,381,426 B2Granted
Systems and methods for improved data transmission in short-reach links
AssigneeGeorgia Tech Research Corporation
InventorsSiddharth Jacob Varughese, Joseph Justin Lavrencik, Stephen E. Ralph, Varghese Antony Thomas
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Abstract
Systems and methods are provided for enabling lower-bandwidth hardware components to support higher data rates. In particular, aspects of the disclosed systems and methods use Raised Cosine pulse shaping in short-reach links to band limit the signal spectra and thereby enable existing, such lower-bandwidth components to support higher data rates.
Claims24
A method comprising:
- receiving, at a transmitter, a first electronic signal;
- converting the first electronic signal to data symbols;
- pulse shaping, based at least in part on anticipated transmitter property foreknowledge,
- the data symbols utilizing pre-programmed values;
- equalizing, utilizing pre-programmed filtering based at least in part on the anticipated transmitter property foreknowledge, the pulse shaped data;
- converting the equalized and pulse shaped data into an optical signal;
- transmitting the optical signal to a receiver;
- converting the optical signal into a second electronic signal;
- filtering the second electronic signal to minimize out-of-band noise and maximize signal-to-noise ratio for the second electronic signal;
- performing timing recovery on the second electronic signal;
- equalizing, utilizing pre-programmed filtering based at least in part on anticipated receiver property foreknowledge, the second electronic signal;
- and
- slicing the equalized second electronic signal for calculation of a symbol error rate and to convert the second electronic signal into a plurality of bits for processing.
10 more elements
A method comprising:
- converting a first electronic signal to data symbols through symbol generation;
- raised cosine pulse shaping, based at least in part on anticipated transmitter property foreknowledge, the data symbols utilizing pre-programmed values to provide raised cosine pulses with roll-off factor, between 0.05 and 0.3;
- equalizing, utilizing pre-programmed filtering based at least in part on the anticipated transmitter property foreknowledge, the pulse shaped data;
- converting the equalized and raised cosine pulse shaped data into an optical signal;
- converting the optical signal into a second electronic signal;
- low pass filtering the second electronic signal to minimize out-of-band noise and maximize signal-to-noise ratio for the second electronic signal;
- performing timing recovery on the filtered second electronic signal;
- equalizing, utilizing pre-programmed values based at least in part on anticipated receiver property foreknowledge, the time recovered second electronic signal;
- and
- slicing the equalized second electronic signal for calculation of a symbol error rate and to convert the second electronic signal into a plurality of bits for processing.
7 more elements
A method comprising:
- receiving, at a transmitter, a first electronic signal;
- converting the first electronic signal to data symbols through symbol generation;
- raised cosine pulse shaping, based at least in part on anticipated transmitter property foreknowledge, the data symbols utilizing pre-programmed values to provide raised cosine pulses with roll-off factor, between 0.05 and 0.3;
- equalizing, utilizing pre-programmed filtering based at least in part on the anticipated transmitter property foreknowledge, the pulse shaped data;
- converting the equalized and raised cosine pulse shaped data into an optical signal;
- sending, to a receiver, the optical signal via a short-reach optical communication link;
- receiving, at the receiver, the optical signal;
- converting the optical signal into a second electronic signal;
- low pass filtering the second electronic signal to minimize out-of-band noise and maximize signal-to-noise ratio for the second electronic signal;
- performing timing recovery on the second electronic signal;
- equalizing, utilizing pre-programmed values based at least in part on anticipated receiver property foreknowledge, the second electronic signal;
- and
- slicing the second electronic signal for calculation of a symbol error rate and to convert the second electronic signal into a plurality of bits for processing.
10 more elements
Dependencies are inferred from the claim text.