Multiplexing of voice and data minicells

Details Multiplexing of voice and data minicells Multiplexing of voice and data minicells

H - Electricity

04

L

H04L 5/00 (2006.01) H04L 12/56 (2006.01) H04Q 11/04 (2006.01)

Patent

CA 2257685

Segmenting, multiplexing and transporting user data packets in a telecommunication system that employs Asynchronous Transfer Mode can be accomplished more effectively by assigning a transmission priority code to each segmented user data packet based on the type of data contained therein. Data that is highly sensitive to transmission delays (e.g., voice data) will be assigned a high priority, while data that is less sensitive to transmission delays (e.g., signal strength measurement data) will be assigned a lower priority. When the user data packet segments are assembled into segment minicells and multiplexed into the ATM cell stream, those with the highest priority will be inserted first so that they experience the least amount of transmission delay.

Il est possible d'effectuer plus efficacement la segmentation, le multiplexage et le transport de paquets de données utilisateur dans un système de télécommunications à mode de transfert asynchrone, en assignant un code de priorité de transmission à chaque paquet de données segmenté d'un utilisateur, d'après le type de données contenu dans ce paquet. Des données hautement sensibles aux retards de transmission (par exemple des données vocales) se voient assigner une haute priorité, tandis que des données moins sensibles aux retards de transmission (par exemple des données de mesure de la force des signaux) se voient assigner une faible priorité. Lorsque des segments de paquets de données utilisateur sont assemblés en minicellules de segments et multiplexés dans le train de cellules, ceux présentant la plus haute priorité sont insérés les premiers de façon à subir le moins de retard de transmission.

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