Digital control channels having logical channels for...

H - Electricity – 04 – B

Patent

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H04B 7/26 (2006.01) H04L 1/00 (2006.01) H04L 1/08 (2006.01) H04L 12/28 (2006.01) H04L 1/18 (2006.01) H04Q 7/36 (2006.01) H04Q 7/22 (2006.01) H04Q 7/30 (2006.01) H04Q 7/32 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2152947

A communications system in which information is transmitted in successive time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of hyperframes. A remote station (120) is assigned to one of the time slots in each of the superframes for paging the remote station, each hyperframe including at least two superframes, and the information sent in the assigned time slot in one superframe in each hyperframe is repeated in the assigned time slot in the other superframe(s) in each hyperframe. Each superframe can include a plurality of time slots used for sending paging messages to remote stations, grouped into a plurality of successive paging frames, and the time slot to which the remote station is assigned is included once in every paging frame. Also, each superframe may include time slots comprising a logical channel for broadcast control information and time slots comprising a logical paging channel.

Système de communications dans lequel des informations sont transmises dans des tranches de temps successives groupées en une pluralité de supertrames qui sont, à leur tour, groupées en une pluralité d'hypertrames. Une station éloignée (120) est affectée à l'une des tranches de temps dans chacune des supertrames en vue de la recherche de ladite station éloignée, chaque hypertrame comprenant au moins deux supertrames, et les informations envoyées dans la tranche de temps affectée dans une supertrame de chaque hypertrame sont répétées dans la tranche de temps affectée dans l'autre (les autres) supertrame(s) de chaque hypertrame. Chaque supertrame peut comprendre une pluralité de tranches de temps utilisées pour envoyer des messages de recherche à des stations éloignées, groupées en une pluralité de trames de recherche successives, et la tranche de temps à laquelle la station éloignée est affectée et incluse une fois dans chaque trame de recherche. En outre, chaque supertrame peut inclure des tranches de temps comprenant un canal logique pour les informations de commande de radiodiffusion et des tranches de temps comprenant un canal de recherche logique.

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