H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 3/07 (2006.01) H04B 10/18 (2006.01) H04J 3/06 (2006.01)
Patent
CA 2191848
Jitter is limited in the mapping of a first telecommunications signal into a second telecommunications signal moving in a first direction, generating a compensative payload pointer movement of the first telecommunications signal in a second direction which is opposite the first direction. The invention has a particular application to the mapping of three E3 (490a-1 to 490a-3) telecommunications signals which are in the format of a TUG-3 signal into an STS-3C SONET telecommunications signal in the STM-1 VC-4 format. When the STS-3C signal requires a pointer movement due to frequency compensation in the system, a compensative pointer movement at the TUG-3 level avoids eight units of fitter in the TUG-3 signal which could adversely affect system performance.
On limite les instabilités en transformant un premier signal de télécommunications en un second signal se dirigeant dans une première direction, générant un mouvement de compensation efficace du pointeur du premier signal de télécommunications se dirigeant dans une seconde direction opposée à la première. L'invention s'applique notamment à la transformation de trois signaux de télécommunications E3 (490a-1 à 490a-3), de format TUG-3, en un signal de télécommunications STS-3C SONET dans le format STM-1 VC-4. Lorsque le signal STS-3C exige un mouvement du pointeur pour compenser la fréquence du système, un mouvement de compensation du pointeur au niveau TUG-3 supprime les huit unités d'instabilité du signal TUG-3 qui pourraient affecter le rendement du système.
Gilboa Paz
Ng Tat K.
Eci Telecom
R. William Wray & Associates
Transwitch Corp.
Transwitch Corporation
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