Method and radio frequency identification system for a novel...

H - Electricity – 04 – B

Patent

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Details

H04B 7/14 (2006.01) G06K 7/00 (2006.01)

Patent

CA 2187539

Reliable communication is provided by a radio frequency identification system comprising at least one of an interrogator (102) and a transponder (104). The interrogator (102) transmits a plurality of interrogator frames (106) and receives at least one of a plurality of transponder frames (114). The transponder (104) transmits the plurality of transponder frames (114) and receives at least one of the plurality of interrogator frames ( 106). Each frame in the plurality of interrogator frames and the plurality of transponder frames includes an initialization sequence (108 and 116), at least one information sequence of a first predetermined length (110 and 118), and a check sequence of a second predetermined length (112 and 120) for each information sequence.

L'invention concerne un système de communication fiable reposant sur l'identification radiofréquence, qui comprend au moins un interrogateur (102) et un répondeur (104). L'interrogateur (102) envoie une pluralité de trames d'interrogation (106) et reçoit au moins une trame parmi une pluralité de trames de répondeur (114). Le répondeur (104) envoie ladite pluralité de trames (114) et reçoit au moins une trame parmi la pluralité de trames émises par l'interrogateur (106). Chaque trame de la pluralité des trames de l'interrogateur et de la pluralité des trames du répondeur comporte une séquence d'initialisation (108 et 116), au moins une séquence d'information ayant une longueur préétablie (110 et 118) et, enfin, une séquence de vérification ayant aussi une longueur préétablie (112 et 120), pour chaque séquence d'information.

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