Invention Application
- Patent Title: BIASING TECHNIQUE FOR RECEIVER BASED ON RADIO FREQUENCY (RF) JAMMER DETECTION
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Application No.: US17124368Application Date: 2020-12-16
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Publication No.: US20220190950A1Publication Date: 2022-06-16
- Inventor: Lai Kan LEUNG , Aleksandar Miodrag TASIC , Francesco GATTA , Chiewcharn NARATHONG , Kyle David HOLLAND
- Applicant: QUALCOMM Incorporated
- Applicant Address: US CA San Diego
- Assignee: QUALCOMM Incorporated
- Current Assignee: QUALCOMM Incorporated
- Current Assignee Address: US CA San Diego
- Main IPC: H04K3/00
- IPC: H04K3/00 ; H03F3/19 ; H03M1/12

Abstract:
The disclosure relates to an apparatus including a receiver configured to process a radio frequency (RF) signal to generate a baseband signal; a radio frequency (RF) jammer detector configured to generate a signal indicative of whether an RF jammer is present at an input of the receiver; and a receiver bias circuit configured to generate a supply voltage for the receiver based on the RF jammer indication signal. In another aspect, the apparatus includes constant gain bias circuit to maintain the gain of the receiver constant in response to changes in the supply voltage. In other aspects, the receiver bias circuit may suspend the generating of the supply voltage based on the RF jammer indication signal if the power level of the target received signal is above a threshold. In other aspects, the receiver bias circuit changes the supply voltage during cyclic prefix (CP) intervals between downlink intervals.
Public/Granted literature
- US11658764B2 Biasing technique for receiver based on radio frequency (RF) jammer detection Public/Granted day:2023-05-23
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