Pulse or digital communications – Receivers – Automatic baseline or threshold adjustment
Patent
1997-04-24
2000-02-22
Ghebretinsae, Temesghen
Pulse or digital communications
Receivers
Automatic baseline or threshold adjustment
375354, H04L 2706
Patent
active
060288981
ABSTRACT:
The invention seeks to provide an improved, bandwidth-efficient method and apparatus for acquiring and tracking bursts of data, or continuous data, of varying and unpredictable amplitude, extinction ratio, and phase.
The system avoids the use of digital signal processing which is not practical at high data signal rates. The system also obviates encoding of the data signal using a line code, thereby extending the existing technology to give a significant increase in data throughput for the same available bandwidth.
The system may treat acquisition of each data burst, comprising alternate synchronisation parts and data parts, ab initio.
REFERENCES:
patent: 3952254 (1976-04-01), Kurita et al.
patent: 4267514 (1981-05-01), Kimsey
patent: 4881243 (1989-11-01), Whitt
Dawe Piers James Geoffrey
Spagnoletti Robert William
Sparks Adrian Paul
Ghebretinsae Temesghen
Nortel Networks Corporation
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