Invention Grant
- Patent Title: System and method for controlling peak to average power ratio
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Application No.: US14492839Application Date: 2014-09-22
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Publication No.: US10015028B2Publication Date: 2018-07-03
- Inventor: Lars Jorgensen , Zigang Yang , Hardik Prakash Gandhi
- Applicant: TEXAS INSTRUMENTS INCORPORATED
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent Kenneth Liu; Charles A. Brill; Frank D. Cimino
- Main IPC: H04W4/00
- IPC: H04W4/00 ; H04L27/08 ; H04L1/00 ; H03F1/32 ; H03F3/24 ; H04L27/34 ; H04W52/52 ; H04W52/04

Abstract:
A system and method for reducing peak to average power ratio in a wireless communication system. A wireless communication system includes a radio frequency wireless transmitter that includes signal peak reduction circuitry configured to reduce peak to average power ratio of a signal to be transmitted by reducing amplitude of the signal to be transmitted that is greater than a predetermined amplitude. The signal peak reduction circuitry includes a bit inverter configured to invert a bit of a symbol identified as causing the amplitude of the signal to exceed the predetermined amplitude. The bit inverter is also configured to select the bit to invert such that inversion of the bit reduces the amplitude of the signal, and such that forward error correction in a receiver wirelessly coupled to the transmitter restores the bit to a pre-inversion value.
Public/Granted literature
- US20150085748A1 SYSTEM AND METHOD FOR CONTROLLING PEAK TO AVERAGE POWER RATIO Public/Granted day:2015-03-26
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