The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 14, 2020

Filed:

Jul. 31, 2019
Applicant:

Nxp Usa, Inc., Austin, TX (US);

Inventors:

Lokesh Sundaramurthy Satrasala, Bangalore, IN;

B Hari Ram, Chennai, IN;

Sri Varsha Rottela, Visakhapatnam, IN;

Niranjan Grandhe, San Jose, CA (US);

Christian Raimund Berger, San Jose, CA (US);

Sudhir Srinivasa, Los Gatos, CA (US);

Assignee:

NXP USA, Inc., Austin, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 3/46 (2015.01); H04B 17/364 (2015.01); H04W 24/08 (2009.01);
U.S. Cl.
CPC ...
H04B 17/364 (2015.01); H04W 24/08 (2013.01);
Abstract

Embodiments described herein provide a method for time delay estimation in a wireless communication system. A signal received, from a transmitter, is delayed due to hardware components in the receiver. A time domain representation of a computed complex channel impulse response (CIR) is generated. A first set of peaks of a time domain representation of the complex CIR is determined and a first peak, having a lowest time delay of the first set of peaks relative to the arrival time of the signal at the receiver, is identified. Following the interpolation of a region corresponding to the first peak, a second set of peaks is determined, and a more accurate estimation of the delay experienced by the signal through the receiver is determined.


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