Method and radio station for transmitting data

Details Method and radio station for transmitting data Method and radio station for transmitting data

H - Electricity

04

B

H04B 7/00 (2006.01) H04B 7/26 (2006.01) H04J 3/00 (2006.01) H04J 3/22 (2006.01) H04B 1/69 (2006.01) H04J 13/00 (2006.01) H04J 13/02 (2006.01) H04Q 7/20 (2006.01) H04Q 7/36 (2006.01)

Patent

CA 2298709

According to the invention, in a method for data transmission in a radio communications system, a radio interface is subdivided into time slots for transmission of bursts. In this case, the data are transmitted in data channels in a time slot, in which case the data channels can be distinguished by means of an individual spread code. A finite burst comprising data symbols and at least one interblock sequence with known symbols is used for data transmission in a data channel. At least one parameter is determined for the traffic conditions of the radio interface, and the ratio of the length of the interblock sequence and a data part with data symbols is adjusted depending on the traffic conditions. The method is suitable in particular for use in 3rd generation TD/CDMA mobile radio networks.

L'invention concerne un procédé de transmission de données dans un système de communication radio, selon lequel une interface radio est subdivisée en créneaux temporels pour la transmission de blocs radio. Les données sont transmises, dans un créneau temporel, dans des canaux de transmission de données qui peuvent être différenciés par un code d'étalement individuel. Un bloc radio terminal se composant de symboles de données et d'au moins un mi-ambule comportant des symboles connus sert à la transmission de données dans un canal de transmission de données. Au moins un paramètre est déterminé pour les conditions de trafic de l'interface radio et le rapport de la longueur du mi-ambule et d'une partie de données comportant des symboles de données est réglé en fonction des conditions de trafic. Le procédé convient particulièrement à une utilisation dans des réseaux radiotéléphoniques mobiles TD/AMCR de la troisième génération.

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