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.:
Date of Patent:
Nov. 26, 2019
Filed:
Nov. 12, 2018
Analog Devices Global Unlimited Company, Hamilton, BM;
Kenneth Joseph Mulvaney, Cork, IE;
Dermot G. O'Keeffe, Blarney, IE;
Philip Eugene Quinlan, Cork, IE;
Analog Devices Global Unlimited Company, Hamilton, BM;
Abstract
RF communication systems that provide combined demodulation and despreading are provided herein. In certain embodiments, an RF communication system generates an in-phase (I) signal and a quadrature-phase (Q) signal based on processing a received spread spectrum signal carrying a sequence of data symbols. The data symbols each have a symbol period and are coded by one or more multi-bit spreading codes. The RF communication system includes a symbol correlator that delays the I signal and the Q signal by an integer number of symbol periods to thereby generate a delayed I signal and a delayed Q signal, respectively. Additionally, the symbol correlator generates a correlation signal based on correlating the delayed I signal to the I signal and correlating the delayed Q signal to the Q signal. The RF communication system processes the correlation signal to recover the sequence of data symbols.