Method for transferring messages in a one-way communication system
First Claim
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1. A method of communicating paging information, comprising the steps of:
- transmitting information using a format layer, a channel coding layer, and a modulation layer, the format layer including a plurality of records, one of said plurality of records assigned to a predetermined paging receiver;
monitoring, by the predetermined paging receiver, a home channel, and when the home channel is detected, monitoring only said one of said plurality of records, and when others of said plurality of records exist, idling the predetermined paging receiver in order to save power; and
monitoring, by the predetermined paging receiver, a plurality of channels, when the home channel is not detected,wherein the transmitting step includes transmitting the format layer to include;
a sequence including a plurality of cycles, the predetermined paging receiver being active in only one of the cycles;
a plurality of subsequences in each of the cycles, the subsequences for time dividing transmissions between neighboring paging networks, each of the plurality of subsequences having a corresponding plurality of records, one of which is said plurality of records.
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Abstract
The invention relates to a method for transferring messages in a one-way communication system, particularly a paging system. The transmission of the messages is organized in such a manner that the message is separated from the address. By address it is meant the identity codes of the receivers. Furthermore, the receivers find their message with the aid of a subaddress. The method provides for battery saving by means of the fact that the receivers which are not addressed in the address part do not listen to the message part but go into a battery-saving idle mode.
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Citations
6 Claims
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1. A method of communicating paging information, comprising the steps of:
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transmitting information using a format layer, a channel coding layer, and a modulation layer, the format layer including a plurality of records, one of said plurality of records assigned to a predetermined paging receiver; monitoring, by the predetermined paging receiver, a home channel, and when the home channel is detected, monitoring only said one of said plurality of records, and when others of said plurality of records exist, idling the predetermined paging receiver in order to save power; and monitoring, by the predetermined paging receiver, a plurality of channels, when the home channel is not detected, wherein the transmitting step includes transmitting the format layer to include; a sequence including a plurality of cycles, the predetermined paging receiver being active in only one of the cycles; a plurality of subsequences in each of the cycles, the subsequences for time dividing transmissions between neighboring paging networks, each of the plurality of subsequences having a corresponding plurality of records, one of which is said plurality of records. - View Dependent Claims (2, 3)
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4. A system for communicating paging information, comprising:
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a paging receiver; and a transmitter for transmitting information using a format layer, a channel coding layer, and a modulation layer, the format layer including a plurality of records, one of the records assigned to the paging receiver, wherein the paging receiver includes; means for monitoring a home channel, and when the home channel is detected, monitoring only said one of said one of said plurality of records, and when others of said plurality of records exist, idling the paging receiver in order to save power; and means for monitoring a plurality of channels, when the home channel is not detected, wherein the transmitter transmits the format layer to include; a sequence including a plurality of cycles, the predetermined paging receiver being active in only one of the cycles; and a plurality of subsequences in each of the cycles, the subsequences for time dividing transmissions between neighboring paging networks, each of the plurality of subsequences having a corresponding plurality of records, one of which is said plurality of records. - View Dependent Claims (5, 6)
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Specification