DIGITAL CONTROL CHANNELS HAVING LOGICAL CHANNELS FOR MULTIPLE ACCESS RADIOCOMMUNICATION

    公开(公告)号:CA2286489C

    公开(公告)日:2002-02-26

    申请号:CA2286489

    申请日:1994-11-01

    Abstract: A communications system in which information is transmitted in succesive time slots grouped into a plurality of superframes which are, in turn, grouped into a plurality of hyperframes. A remote station 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 hyperframe can include a plurality of time slots used for sending paging messages to remote stations, grouped into a plurality of succesive 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.

    DIGITAL CONTROL CHANNELS HAVING LOGICAL CHANNELS FOR MULTIPLE ACCESS RADIOCOMMUNICATION

    公开(公告)号:MY111910A

    公开(公告)日:2001-02-28

    申请号:MYPI19942891

    申请日:1994-10-31

    Abstract: 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 HYPERFRAMES INCLUDING AT LEAST SUPERFRAMES, AND THE INFORMATION SENT IN THE ASSIGNED TIME SLOT IN ONE SUPERFRAMES 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 STATION(120), 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 CAHNNEL FOR BROADCAST CONTROL INFORMATIONAND TIME SLOTS COMPRISING A LOGICAL PAGING CHANNEL. INFORMATION SENT IN THE ASSIGNED TIME SLOTS MAY DIRECT THE REMOTE STATION(120) TO READ THE BROADCAST CONTROL INFORMATION, AND THE INFORMATION MAY HAVE BEEN ENCODED ACCORDING TO AN ERROR CORRECTING CODE AND INCLUDE A PLURALITY OF BITS HAVING POLARITIES THAT ARE INVERSES OF CYCLIC REDUNDANCY CHECK BITS PRODUCED BY THE ENCODING. ALSO, THE BROADCAST CONTROL INFORMATION MAY COMPRISE SPECIAL MESSAGES THAT ARE INCLUDED IN RESPECTIVE TIME SLOTS COMPRISING A LOGICAL SPECIAL MESSAGE CHANNEL, THE TIME SLOTS OF THE SPECIAL MESSAGE CHANNEL MAY BE GROUPED IN SUCCESIVE SMS FRAMES, AND THE SMS FRAMES MAY BE SYNCHRONIZED TO START WITH A START OF A SUPERFRAME.(FIG 5)

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