H - Electricity – 04 – J
Patent
H - Electricity
04
J
H04J 3/02 (2006.01) H04L 1/00 (2006.01) H04L 1/08 (2006.01) H04Q 7/22 (2006.01) H04Q 7/38 (2006.01) H04L 1/16 (2006.01)
Patent
CA 2115901
A radio telecommunication system has radio channels, each radio channel including a plurality of slots generated by time division. The system encompasses a plurality of areas having a base station which sends a first signal over a predetermined slot of the slots. If the signal quality of the first signal received by a portable apparatus is less than a criterion, non-used at least one of the slots is designated. The portable apparatus sends a second signal over the predetermined slot and the designated slot.
L'invention est un système de radiocommunication utilisant des canaux radio comportant chacun une pluralité de créneaux temporels. Le système de l'invention couvre plusieurs zones ayant une station de base qui transmet un premier signal sur un créneau prédéterminé choisi parmi la pluralité de créneaux. Si la qualité du premier signal reçu par un appareil portatif est inférieure à une certaine valeur de référence, au moins un des créneaux non utilisés est désigné. L'appareil portatif transmet un second signal sur le créneau prédéterminé et sur le créneau désigné.
Ito Koichi
Kasuya Kisaburo
Gowling Lafleur Henderson Llp
Kabushiki Kaisha Toshiba
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