System for scheduling reverse-channel messages

H - Electricity – 04 – Q

Patent

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Details

H04Q 7/30 (2006.01) H04Q 7/08 (2006.01) H04Q 7/12 (2006.01)

Patent

CA 2316867

A communications controller (705) is disclosed for use in a wireless communication system (500) having a plurality of antennas which simulcast forward-channel messages (601, 602) at a first downtilt angle below horizon and receiving reverse-channel messages (603, 604) at a second downtilt angle, wherein the second downtilt angle is less than the first downtilt angle. The communications controller (705), which is associated with the plurality of antennas, is capable of (i) scheduling transmission of ones of the reverse- channel messages at a same frequency in a same frequency (710), and (ii) receiving reverse-channel messages of two communication units proximate a local antenna at separate more remote antennas in response to the second downtilt angle of the separate more remote antennas (715).

L'invention concerne un contrôleur de transmission pour un système de communication sans fil comprenant une pluralité d'antennes capables d'émettre simultanément des message par voie d'aller avec un premier angle d'inclinaison dirigé vers un point situé sous l'horizon, et de recevoir des message par voie de retour avec un second angle d'inclinaison vers le bas, inférieur au premier angle. Le contrôleur de transmission qui est associé à une pluralité d'antennes est capable (i) de programmer l'émission de certains des messages par voie de retour dans un même intervalle de temps, et (ii) de recevoir des messages par voie de retour en provenance de deux unités de communication proches d'une antenne locale sur des antennes distinctes plus éloignées, en réponse au second angle d'inclinaison vers le des antennes distinctes plus éloignées.

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