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Sounding reference signal processing for LTE

Grant US12580798B2 Kind: B2 Mar 17, 2026

Assignee

TEXAS INSTRUMENTS INCORPORATED

Inventors

Pierre Bertrand, Anthony Edet Ekpenyong

Abstract

A wireless communication receiver including a serial to parallel converter receiving an radio frequency signal, a fast Fourier transform device connected to said serial to parallel converter converting NFFT corresponding serial signals into a frequency domain; an EZC root sequence unit generating a set of root sequence signals; an element-by-element multiply unit forming a set of products including a product of each of said frequency domain signals from said fast Fourier transform device and a corresponding root sequence signal, an NSRS-length IDFT unit performing a group cyclic-shift de-multiplexing of the products and a discrete Fourier transform unit converting connected cyclic shift de-multiplexing signals back to frequency-domain.

CPC Classifications

H04L 27/26 H04L 25/0228 H04L 25/022 H04L 27/2613 H04L 25/0226 H04L 5/00 H04L 25/02 H04J 13/0003 H04J 5/0048 H04J 5/00 H04J 13/0062 H04J 13/00

Filing Date

2023-12-28

Application No.

18398817

Claims

12