Revision as of 01:23, 13 January 2006 edit Yongqli (talk \| contribs) 13 edits added comment/question ← Previous edit		Revision as of 10:38, 14 January 2006 edit undo Europrobe (talk \| contribs) Extended confirmed users 507 edits back-of-the-envelope calc... Next edit →
Line 1: == The Shannon Limit ==▼ "For satellite use, this is not of great concern, since the transmission distance itself introduces latency due to the limited speed of light." - Can the writer of this sentence justify this? Considering how fast the speed of light is, I don't think this can really contribute to latency. - [[User:Yongqli\|Yongqli]] Well, looking at the [[geosynchronous]] article here on Wikipeadia gives the distance to a GEO satellite (approx. 36000 km), and the [[speed of light]] is 300000 km/s. The round-trip distance is twice the altitude, or 72000 km, and 72000 / 300000 = 0.24 s (or 240 msec), a significant delay in many types of communication. [[User:Europrobe\|europrobe]] 10:38, 14 January 2006 (UTC) ▲== The Shannon Limit == [[User:HughSW]] -- hats off to your addition '''How Turbo codes work''' -- really nice work! [[User:Technopilgrim\|technopilgrim]]

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