[EMAIL PROTECTED] wrote:
>
> Hello :-),
>
> In the book "communication between heterogeneous systems", part 20.1 "Main
> principles of PER", it's wrritten that, with aligned variant PER, it'
> possible to code : v INTEGER (123456789..123456792) ::= 123456790 with 2
> bits. How is it possible? we have to use 16 bits to code the number
> 123456789. So, how to do ?
> Regards,
>
> Patrice.
PER requires you to make the transformation: v - lowerbound, so your
"range" is actually 0..3 and you can encode 0..3 in just 2 bits.
(See X.691 (1997 E) clause 12.2.2 refering to clause 10.5)
Best regards
Egon Andersen
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