bilan de liaison

English translation: link budget

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:bilan de liaison
English translation:link budget
Entered by: Emma Gledhill

23:39 Dec 12, 2007
French to English translations [PRO]
Tech/Engineering - Telecom(munications) / Radio
French term or phrase: bilan de liaison
This phrase occurs a couple of times in a document about radio communications (specifically TETRA) in enclosed spaces such as tunnels and the equipment needed to facilitate this and test the signal strength.

"Le bilan de liaison lié à l'architecture de la solution choisie inclut des marges permettant d'assurer la couverture radio avec une certaine probabilité"

"Ces outils se basent toujours sur un bilan de liaison détaillé et équilibré, qui détermine précisément le niveau RF du signal retransmis alimentant les structures rayonnantes"

I have found an explanation of how to calculate the "bilan de liaison" on Wikipedia:

http://fr.wikipedia.org/wiki/Faisceaux_hertziens

(scroll down just over half way)

as well as a number of French and English documents via Google, but I cannot find anything that provides concrete evidence of the equivalent English term. As far as I can deduce, it seems to be heading towards "signal to noise ratio" or "carrier to noise ratio" but I haven't enough context to determine which (or indeed whether or not I'm actually on the right lines), and I've run out of reasonable resources. Would be very grateful to anyone who can provide the appropriate English term!
Emma Gledhill
Switzerland
Local time: 08:54
link budget
Explanation:
30 years' experience in the field tells me there's no other choice here.

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Note added at 32 mins (2007-12-13 00:11:57 GMT)
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carrier-to-noise (C/N) and signal-to-noise (S/N) are parameters that are included as part of a link budget calculation, but the end result is just that ... a 'link budget'.
Selected response from:

Jennifer Levey
Chile
Local time: 02:54
Grading comment
I did actually see this in the Routledge technical dictionary, but with no substantiation so I dismissed it, wondering what finance had to do with anything in the context. When you know what to look for it's easy to find the explanations ;) Thank you!
4 KudoZ points were awarded for this answer



Summary of answers provided
5 +1link budget
Jennifer Levey
3the sum of the emitted power and all the gains and losses met on route to the receiver
Christopher Kennedy


  

Answers


31 mins   confidence: Answerer confidence 5/5 peer agreement (net): +1
link budget


Explanation:
30 years' experience in the field tells me there's no other choice here.

--------------------------------------------------
Note added at 32 mins (2007-12-13 00:11:57 GMT)
--------------------------------------------------

carrier-to-noise (C/N) and signal-to-noise (S/N) are parameters that are included as part of a link budget calculation, but the end result is just that ... a 'link budget'.

Jennifer Levey
Chile
Local time: 02:54
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 104
Grading comment
I did actually see this in the Routledge technical dictionary, but with no substantiation so I dismissed it, wondering what finance had to do with anything in the context. When you know what to look for it's easy to find the explanations ;) Thank you!

Peer comments on this answer (and responses from the answerer)
agree  Bashiqa: reminds me of work on "Space Tech Course".
7 hrs
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9 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
the sum of the emitted power and all the gains and losses met on route to the receiver


Explanation:
I cannot think of a direct english one word translation of this. Perhaps somebody else can. This itranslation comes from my translation of a sentence in the wikipedai measurement paragraph to which you refer which I understand as "The “bilan de liason”, the sum of the emitted power and all the gains and losses met on route to the receiver, must thus be such that the level of received signal is higher than the required reception threshold."
Hope this helps

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Note added at 9 hrs (2007-12-13 09:12:42 GMT)
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Oops, I really should read other peoples answers first. My apologies to those above. Link budget it is.
http://en.wikipedia.org/wiki/Link_budget

Christopher Kennedy
France
Local time: 08:54
Works in field
Native speaker of: Native in EnglishEnglish
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