Method for determining an error rate and corresponding test...

H - Electricity – 04 – L

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H04L 1/00 (2006.01) H04L 1/16 (2006.01) H04L 1/20 (2006.01) H04L 1/24 (2006.01)

Patent

CA 2599677

The invention relates to a method and to a test device (12) which is used to determine an error rate during the transfer of data (1) in a mobile radio system. Said mobile radio system comprises at least one transfer channel, wherein several data partial flows (2.1, 2.2, 2.6) are transferred. The several data partial flows (2.1, 2.2...2.6) are produced in a signal generator unit (8). A transport format is determined, in an individual manner, for each data partial flow (2.1, 2.2...2.6). The data partial flows (2.1, 2.2...2.6) are sent, respectively, to a number of transfer blocks which belong together (5.1, ...7.1). A device which is to be tested captures the transfer blocks (5.1, ....7.1) of the data partial flows (2.1, 2.2...2.6) and evaluates them. According to the accuracy of the evaluation, a positive or negative actuation signal (ACK, NACK) is sent back by the device which is to be tested. An error rate of each data partial flow (2.1, 2.2...2.6) is determined by the test device (12) from the actuation signals (ACK, NACK) which are captured by the test device (12).

L'invention concerne un procédé et un appareil d'essai (12) pour déterminer un taux d'erreur dans le cadre d'une transmission de données (1) dans un système de radiotéléphonie mobile. Le système de radiotéléphonie mobile présente au moins un canal de transmission dans lequel sont transmis plusieurs flux partiels de données (2.1, 2.2, 2.6). Dans une unité génératrice de signaux (8), les multiples flux partiels de données (2.1, 2.2, 2.6) sont produits. Un format de transport est déterminé individuellement pour chaque flux de données partiel (2.1, 2.2, 2.6). Les flux de données partiels (2.1, 2.2, 2.6) sont envoyés dans chaque cas dans un nombre de blocs de transmission (5.1, , 7.1) correspondants. Un appareil à essayer reçoit les blocs de transmission (5.1, , 7.1) des flux partiels de données (2.1, 2.2, , 2.6) et les évalue. En fonction de l'exactitude de l'évaluation, un signal de confirmation positif ou négatif (ACK, NACK) est renvoyé par le biais de l'appareil à essayer. Un taux d'erreur est déterminé pour chaque flux partiel de données (2.1, 2.2, , 2.6) par l'appareil d'essai (12), à partir des signaux de confirmation (ACK, NACK) reçus par ledit appareil d'essai (12).

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