Point-to-multipoint time division multiple access...

H - Electricity – 04 – J

Patent

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H04J 3/16 (2006.01) H04J 3/06 (2006.01) H04H 1/00 (2006.01)

Patent

CA 2158895

Data are transmitted from the central station to local stations in multiframes (MF) consisting of a plurality of frames (F1, ... FN) and only one free interval (DMW) allowing transmission time measurements and reflectometry measurements. Data are transmitted from the stations to a central station in multiframes (MF) consisting of a plurality of frames (F', ..., F'N') and only one free interval (DMW'), allowing transmission time measurements and reflectometry measurements, each frame consisting of several subframes (SF1, ..., SF43) emitted by local stations, each local station emitting one or more of the subframes (SFi) contained in a frame (F'1). The multiframes are constituted by under-use of the data sources, in order to have free intervals between the frames, and by time-offsetting the frames so as to constitute only one free interval per multiframe. Application to telecommunication networks.

Les données sont transmises d'une station centrale vers des stations locales dans des multitrames (MF) comportant une pluralité de trames (F1, ..., FN) et un seul intervalle libre (DMW) permettant des mesures de délais de transmission et des mesures de réflectométrie. Des données sont transmises des stations vers une station centrale sous la forme de multitrames (MF') comportant une pluralité de trames (F'1, ..., F'N') et un seul intervalle libre (DMW') permettant des mesures de délais de transmission et des mesures de réflectométrie, chaque trame comportant des sous- trames (SF1, ..., SF43) émises par les stations locales, chaque station locale émettant une ou plusieurs des sous- trames (SFi) contenues dans une trame (F'1). Les multitrames sont constituées en sous-utilisant les sources de données, pour disposer d'intervalles libres entre les trames, et en décalant temporellement les trames pour constituer un seul intervalle libre par multitrame. Application aux réseaux de télécommunication.

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