Invention Application
- Patent Title: PEAK-TO-AVERAGE POWER RATIO (PAPR) REDUCTION TECHNIQUES
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Application No.: US17933467Application Date: 2022-09-19
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Publication No.: US20230009137A1Publication Date: 2023-01-12
- Inventor: Gokul Sridharan , Saeid Sahraei , June Namgoong , Peter Gaal , Krishna Kiran Mukkavilli , Tingfang Ji , Wei Yang
- 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: H04L27/26
- IPC: H04L27/26 ; H04L25/03 ; H04B1/71 ; H04W72/04

Abstract:
Techniques for peak-to-average power ratio (PAPR) reduction are described. Wireless devices may use one or more PAPR shaping resources, such as expanded bandwidth and/or pulse-shaping filtering, for shaping a signal to reduce PAPR. For example, expanded bandwidth may be utilized for adding a cyclic affix (CA), such as may comprise a cyclic prefix (CP), cyclic suffix (CS), etc., and combinations thereof, to a frequency domain data signal to provide a CP augmented frequency domain data signal used to generate a reduced PAPR time domain data signal. Additionally or alternatively, pulse-shaping filtering may be applied to a frequency domain signal to provide a pulse-shaped frequency domain data signal used to generate a reduced PAPR time domain data signal. Other aspects and features are also claimed and described.
Public/Granted literature
- US11916718B2 Peak-to-average power ratio (PAPR) reduction techniques Public/Granted day:2024-02-27
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