L3harris Technologies, Inc.

L3 Technologies, Inc.

Richard Ross

Carl Christensen

Ryan W Hinton

David G Landon

Scott C Smedley

Brian G Yoho

Michael Solonenko

Synchronizing a pulse position modulation (PPM) signal. A method includes performing a first synchronization operation by receiving a first series of symbols. The symbols in the first series are transmitted with a pulse in a known slot, such that the symbols comprise pulses that are substantially equally spaced in time from adjacent symbols. The first synchronization operation includes identifying when each pulse is received for each of the symbols and using information identifying when each pulse is received for each of the symbols in the first series of symbols to identify symbol and slot boundaries for the pulse position modulation signal. The method further includes performing a second synchronization operation by receiving a second series of symbols transmitted in a known pattern, and identifying the known pattern in the received second series of symbols to identify a frame boundary.

Transport data structure useful for transporting information via a free space optical link using a pulsed laser

Methods and systems adapted for providing forward error correction for data packets containing a relationship between the data in each data packet. Data packets encoded in one error correction coding scheme are received and a second error correction coding scheme is identified based on the relationship between the data in each data packet. The data packets are then decoded using the second error correction coding scheme.

Enhanced decoding of coded sequences with structured data

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Sandy, UT, United States of America

Richard Ross