PATENT CLAIM ANALYSIS

Application Number: 15888300
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-04
Patent Classification: ["375", "219000"]

Abstract:
An envelope tracking (ET) system is provided. The ET amplifies a radio frequency (RF) signal correspond to an amplitude bandwidth exceeding a voltage modulation bandwidth limitation of the ET system. The ET system compresses the amplitude bandwidth to match the voltage modulation bandwidth of the ET system. More specifically, the ET system compresses a predefined voltage waveform, which tracks time-variant amplitudes of a digital form of the RF signal, to generate a modified voltage waveform at a reduced bandwidth. To ensure that signal distortion(s) resulted from the bandwidth compression can be corrected, the ET system nonlinearly modifies predefined amplitude(s) of the predefined voltage waveform to generate modified amplitude(s) of the modified voltage waveform that is never less than the predefined amplitude(s) of the predefined voltage waveform. As such, the ET system can amplify the RF signal with improved linearity and efficiency, without degrading spectral performance of the RF signal.

Claim (Index 7):
The ET system of  claim 3  further comprising memory digital pre-distortion (mDPD) circuitry coupled to the nonlinear bandwidth compression circuit and configured to perform mDPD on the digital voltage signal.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 88.0
- Lexical Diversity: 2.42466
- Patent Class: 375.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15888260', '15792909', '13624358', '15459449', '15723460']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.4866244288857544
- 35 USC 102 Novelty (BERT): 0.5620454332603434
- Combined Prediction Score: 0.4941665293232133
- Mean Citation Score: 295.18246800000014
- Max Citation Score: 454.60275
- Similarity Product: 369.1978745256365

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