H - Electricity – 04 – Q
Patent
H - Electricity
04
Q
H04Q 7/22 (2006.01) H04B 7/26 (2006.01) H04Q 7/30 (2006.01) H04Q 7/32 (2006.01) H04B 1/707 (2006.01)
Patent
CA 2212420
In order to accomplish efficient communication of data between a base station and a plurality of mobile terminals, particular orthogonal codes are transmitted from the mobile stations to the base station as alert signals indicating the presence of data to be transmitted. The base station checks whether particular orthogonal codes are contained in the alert signals, and when the particular orthogonal codes are detected in the alert signals, information representing the detected orthogonal codes and the schedules for transmitting the data from the mobile terminals to the base station are transmitted from the base station to the mobile terminals as an alert response to the alert signals. When the information representing the orthogonal codes used for the alert signals are contained in the alert response transmitted from the base station to the mobile terminals, the data waiting to be transmitted is transmitted from the mobile terminals to the base station according the data transmission schedules in the alert response.
Afin d'assurer la transmission efficace de données entre une station de base et un certain nombre de stations mobiles, des codes orthogonaux particuliers sont transmis des stations mobiles à la station de base en tant que signaux d'alerte indiquant la présence de données à transmettre. La station de base vérifie si des codes orthogonaux particuliers sont contenus dans les signaux d'alerte et, le cas échéant, une information représentant les codes orthogonaux détectés et les schémas de transmission des données des stations mobiles à la station de base est transmise de la station de base aux stations mobiles en tant que réponse d'alerte aux signaux d'alerte. Lorsque l'information représentant les codes orthogonaux des signaux d'alerte est contenue dans la réponse d'alerte transmise de la station de base aux stations mobiles, les données en attente de transmission sont transmises des stations mobiles à la station de base conformément aux schémas de transmission de données de la réponse d'alerte.
Doi Nobukazu
Esmailzadeh Riaz
Yano Takashi
Hitachi Ltd.
Kirby Eades Gale Baker
LandOfFree
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