PATENT CLAIM ANALYSIS

Application Number: 16212461
Application Type: Utility
Filing Date: 2018-12
Publication Date: 2019-04
Patent Classification: ["398", "208000"]

Abstract:
A timing recovery system generates a sampling clock to synchronize sampling of a receiver to a symbol rate of an incoming signal. The input signal is received over an optical communication channel. The receiver generates a timing matrix representing coefficients of a timing tone detected in the input signal. The timing tone representing frequency and phase of a symbol clock of the input signal and has a non-zero timing tone energy. The receiver computes a rotation control signal based on the timing matrix that represents an amount of accumulated phase shift in the input signal relative to the sampling clock. A numerically controlled oscillator is controlled to adjust at least one of the phase and frequency of the sampling clock based on the rotation control signal.

Claim (Index 19):
The method of  claim 11  wherein the digital input signal comprises an impairment introduced by an optical channel including at least one of: a half symbol period differential group delay, a cascaded differential group delay, a dynamic polarization mode dispersion, and a residual chromatic dispersion.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 98.0
- Lexical Diversity: 2.31579
- Patent Class: 398.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: False
- Related Applications: ['15839698', '14869676', '14095789', '15623292', '13594644']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7192100055343158
- 35 USC 102 Novelty (BERT): 0.569140631487778
- Combined Prediction Score: 0.704203068129662
- Mean Citation Score: 372.001064
- Max Citation Score: 397.64523
- Similarity Product: 379.45750269386167

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test