Invention Grant
- Patent Title: Method and apparatus for the reception of a signal
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Application No.: US16318423Application Date: 2017-07-27
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Publication No.: US10749567B2Publication Date: 2020-08-18
- Inventor: Malcolm David Macleod
- Applicant: QINETIQ LIMITED
- Applicant Address: GB Hampshire
- Assignee: QINETIQ LIMITED
- Current Assignee: QINETIQ LIMITED
- Current Assignee Address: GB Hampshire
- Agency: Oliff PLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@250fd19e com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@5c13f7f
- International Application: PCT/EP2017/069076 WO 20170727
- International Announcement: WO2018/019960 WO 20180201
- Main IPC: H04B1/7075
- IPC: H04B1/7075 ; G01S19/29 ; G01S19/30 ; H04B1/7136 ; H04B1/7073 ; H04B1/7156

Abstract:
A method for the reception of a frequency hopped direct sequence spread spectrum signal includes acquiring the signal by splitting the received signal into a plurality of processing sub-channels, each corresponding to one or more hop frequencies; and within each sub-channel: i) subtracting any sub-carrier frequency from the received signal; ii) filtering the signal from (i) using a chip-matched filter; iii) selecting a sub-set of samples from the filtered signal; iv) correlating the sampled signal from step (iii) with a known reference signal to produce at least one correlator output. The output(s) from each sub-channel are provided to an input of a corresponding one or more common discrete time Fourier transforms (DTFT), and an output therefrom having a peak above a predetermined threshold is selected for further processing in the receiver. The method is a less expensive way of tracking the signal and can demodulate appropriately modulated signals.
Public/Granted literature
- US20190268036A1 METHOD AND APPARATUS FOR THE RECEPTION OF A SIGNAL Public/Granted day:2019-08-29
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