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Article #2012Re: Using RSSI to locate an object
From: Robert Lacoste
Date: Tue, 20 Mar 2007 07:45
Date: Tue, 20 Mar 2007 07:45
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2108 bytes
"Josh916" <jkacen@gmail.com> a οΏ½crit dans le message de news: 1174348989.871006.52080@n76g2000hsh.googlegroups.com... >I would like to use RSSI to locate an object in a 3D space. The space > will be a square box with transmitters located on the 4 corners. An > object will be place at certain positions within the box and I want to > be able to determine its location inside the box. Much like an > internal GPS. > > I would like to know what components (IC's?) I need to perform such a > task. You can have a look at Chipcon's (now TI) CC2431 Zigbee transceivers : they offer a hardware-based location detection feature. See http://www.chipcon.com/index.cfm?kat_%20id=2&subkat_id=12&dok_id=261, claimed spatial resolution is 0,5m over a 64x64m area, with an overall accuracy of 3m Friendly, -- Robert Lacoste ALCIOM - The mixed signal experts www.alciom.com
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X-Google-Thread: 112d1e,99b7ff176446d3ef X-Google-Thread: 103407,99b7ff176446d3ef X-Google-Thread: 111d0a,99b7ff176446d3ef X-Google-Attributes: gid112d1e,gid103407,gid111d0a,public X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!news3.google.com!news.glorb.com!newsfeed-0.progon.net!progon.net!news-zh.switch.ch!kanaga.switch.ch!switch.ch!news.in2p3.fr!in2p3.fr!proxad.net!193.252.118.146.MISMATCH!news.wanadoo.fr!news.wanadoo.fr!not-for-mail From: "Robert Lacoste" <see-my-email-at@www.alciom.com> Newsgroups: sci.electronics.design,aus.electronics,sci.electronics.basics References: <1174348989.871006.52080@n76g2000hsh.googlegroups.com> Subject: Re: Using RSSI to locate an object Date: Tue, 20 Mar 2007 08:45:33 +0100 X-Priority: 3 X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-RFC2646: Format=Flowed; Original Lines: 25 Message-ID: <45ff9120$0$5072$ba4acef3@news.orange.fr> Organization: les newsgroups par Orange NNTP-Posting-Date: 20 Mar 2007 08:45:36 CET NNTP-Posting-Host: 82.127.112.2 X-Trace: 1174376736 news.orange.fr 5072 82.127.112.2:10166 X-Complaints-To: abuse@orange.fr