PATENT CLAIM ANALYSIS

Application Number: 16155390
Application Type: Utility
Filing Date: 2018-10
Publication Date: 2019-02
Patent Classification: ["370", "278000"]

Abstract:
Systems and methods relating to improving transmit (TX) port to receive (RX) port isolation of a duplexer or multiplexer are disclosed. In some embodiments, a system includes a duplexer or multiplexer having a transmit port, a receive port, and an antenna port. The system further includes a leakage cancellation subsystem adapted to cancel a leakage signal from the TX port of the duplexer or multiplexer to the RX port of the duplexer or multiplexer across a desired cancellation bandwidth. The leakage cancellation subsystem compensates for variation of the leakage signal across the desired cancellation bandwidth, thereby improving TX port to RX port isolation over conventional systems.

Claim (Index 10):
The system of  claim 1  wherein the leakage cancellation subsystem comprises:\n filtering circuitry having an input coupled to the transmit port of the duplexer or multiplexer, the filtering circuitry comprising a plurality of acoustic elements and being adapted to filter a transmit signal provided to the transmit port of the duplexer or multiplexer to generate a cancellation signal that is a function of an amplitude variation of the leakage signal across the desired cancellation bandwidth and a phase variation of the leakage signal across the desired cancellation bandwidth; and \n attenuation and phase adjustment circuitry having an input coupled to an output of the filtering circuitry and an output coupled to the receive port of the duplexer or multiplexer, the attenuation and phase adjustment circuitry adapted to apply an amplitude offset and a phase offset to the cancellation signal to thereby provide an adjusted cancellation signal that mitigates the leakage signal at the receive port of the duplexer or multiplexer.

Metadata:
- Claim Count in Document: 35.0
- Percentile: 97.0
- Lexical Diversity: 2.31373
- Patent Class: 370.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15139775', '15314465', '13904520', '13734250', '14636854']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5478038181137685
- 35 USC 102 Novelty (BERT): 0.6037906136841663
- Combined Prediction Score: 0.5534024976708083
- Mean Citation Score: 307.05945
- Max Citation Score: 530.8883
- Similarity Product: 506.03857305892114

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test