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.

Patent No.:

US 8213876 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 03, 2012

Filed:

Aug. 02, 2007
Applicants:

Pathamadai V. Sankar, Tustin, CA (US);

John J. Hanrahan, Laguna Hills, CA (US);

Snehal R. Patel, Fullerton, CA (US);

Mahesh C. Reddy, Irvine, CA (US);

Ronald A. Webb, Huntington Beach, CA (US);

Inventors:

Pathamadai V. Sankar, Tustin, CA (US);

John J. Hanrahan, Laguna Hills, CA (US);

Snehal R. Patel, Fullerton, CA (US);

Mahesh C. Reddy, Irvine, CA (US);

Ronald A. Webb, Huntington Beach, CA (US);

Assignee:

The Boeing Company, Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

A direct digital radio having a high speed RF front end in communication with an antenna, and a radio subsystem that can be configured to form a multi-channel, full duplex transceiver system. The high speed RF front end provides a digital signal to the radio subsystem. Each transceiver includes a waveform processing subsystem that makes use of a linear, phase-B cubic spline interpolating finite impulse response (IFIR) filter for filtering the received RF signal substantially entirely in the digital domain. The linear phase-B, cubic spline IFIR filter requires significantly fewer hardware components than traditional FIR filters and is ideally suited for implementation using Very Large Scale Integration (VLSI) technology.


Find Patent Forward Citations

Sankar, Pathamadai. (2012). Direct rf digital transceiver and method (U.S. Patent No. 8213876). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8213876

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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