Dynamic range of wideband RF front end using delta sigma converters with envelope tracking and injected digitally equalized transmit signal
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United States of America Patent
Stats
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May 29, 2018
Issued Date -
N/A
app pub date -
Nov 6, 2015
filing date -
Nov 6, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A cellular radio architecture that includes a programmable bandpass sampling radio frequency front-end and an optimized digital baseband. The architecture includes a receiver module having a plurality of signal channels for different frequency bands, where each signal channel in the receiver module includes a receiver delta-sigma modulator that converts analog receive signals to a representative digital signal. The architecture also includes a transmitter module having a transmitter delta-sigma modulator for converting digital data bits to analog transmit signals, where the transmitter module includes a power amplifier and a switch for directing the transmit signals to one of the signal paths. The architecture also includes a dual self-cancellation circuit providing digital and analog cancellation of the transmit signal in the receiver module.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| WO | A1 | WO2016073940 | Nov 06, 2015 |
International Classification(s)
- 2015 Application Filing Year
- H04L Class
- 33706 Applications Filed
- 25909 Patents Issued To-Date
- 76.87 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- H04L Class
- 17.38 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 29, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 29, 2029 |
