Mobile communications system and mobile receiver
First Claim
Patent Images
1. A method of transmitting and providing for battery efficient reception of a paging signal, comprising the steps of:
- inserting a single empty interval signal into a first paging signal subframe of a frame wherein at least one additional paging signal subframe in said frame containing no paging signal follows said first paging signal subframe, said single empty interval signal including an identity of a time interval from said first paging signal subframe until a next transmission of a paging signal subframe of said frame containing a subsequent paging signal; and
receiving at a mobile receiver said paging signal subframe containing said empty interval signal assigned to said mobile receiver; and
powering down said mobile receiver during said time interval.
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Abstract
Battery saving is achieved by not receiving subframes which do not need to be received. Information regarding the time interval during which unnecessary subframes will be transmitted is inserted in a significant subframe which the base station transmits prior to this time interval, thereby notifying the radio paging receivers. The radio paging receivers detect these notification signals and stop receiving during the time interval when subframes which do not need to be received are transmitted.
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Citations
10 Claims
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1. A method of transmitting and providing for battery efficient reception of a paging signal, comprising the steps of:
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inserting a single empty interval signal into a first paging signal subframe of a frame wherein at least one additional paging signal subframe in said frame containing no paging signal follows said first paging signal subframe, said single empty interval signal including an identity of a time interval from said first paging signal subframe until a next transmission of a paging signal subframe of said frame containing a subsequent paging signal; and receiving at a mobile receiver said paging signal subframe containing said empty interval signal assigned to said mobile receiver; and powering down said mobile receiver during said time interval.
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2. A mobile communications system comprising:
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a base station having a transmitter to transmit a plurality of paging signal subframes in a frame, said base station inserting a single empty interval signal into a first one of said plurality of paging signal subframes when at least a second one of said plurality of paging signal subframes following said first one of said plurality of paging signal subframes contains no paging signal, said single empty interval signal including an identity of a time interval from said first one of said plurality of paging signal subframes until a transmission of a first subsequent one of said plurality of paging signal subframes containing a paging signal; and a mobile receiver to receive said paging signal assigned to said mobile receiver. - View Dependent Claims (3, 4)
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5. A mobile communications system comprising:
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a base station to transmit a paging signal, said base station comprising; a transmitter for transmitting a plurality of paging signal subframes in a frame, said paging signal and an address therefore corresponding to a mobile receiver to receive said paging signal, being arranged within one of said plurality of paging signal subframes; deciding means for deciding whether a receiving cycle of a mobile receiver will include a time interval during which at least one of said plurality of paging signal subframes contain no paging signal after transmission of a first paging signal subframe including said paging signal; notification insertion means for inserting a single empty interval signal including an identity of said time interval into only one of said plurality of paging signal subframes; said mobile receiver comprising; a receiver; detecting means for detecting said paging signal; empty time interval detecting means for detecting said single empty interval signal; and stopping means for stopping a receiving operation of said receiver during said time interval corresponding to at least one paging signal subframe. - View Dependent Claims (6)
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7. A mobile communications base station to transmit a paging signal, said base station comprising:
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a transmitter for transmitting a plurality of paging signal subframes in a frame, said paging signal and an address therefore corresponding to a mobile receiver to receive said paging signal, being arranged within one of said plurality of paging signal subframes; deciding means for deciding whether a receiving cycle of a mobile receiver will include a time interval during which at least two of said plurality of paging signal subframes contain no paging signal after transmission of a first paging signal subframe including said paging signal; notification insertion means for inserting a single empty interval signal including an identity of said time interval into only one of said plurality of paging signal subframes.
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8. A mobile communications receiver comprising:
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a receiver; detecting means for detecting a paging signal; empty time interval detecting means for detecting a single empty interval signal, said single empty interval signal having an identity of a time interval during which at least two of a plurality of paging signal subframes contain no paging signal after transmission of a first paging signal subframe including said paging signal; and stopping means for stopping a receiving operation of said receiver during said time interval corresponding to at least two paging signal subframes.
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9. A mobile communications base station to transmit a paging signal, said base station comprising:
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a transmitter for transmitting a plurality of paging signal subframes in a frame, said paging signal and an address therefore corresponding to a mobile receiver to receive said paging signal, being arranged within one of said plurality of paging signal subframes; deciding means for deciding whether a receiving cycle of a mobile receiver will include a time interval during which at least one of said plurality of paging signal subframes contains no paging signal after transmission of a first paging signal subframe including said paging signal;
notification insertion means for inserting a single empty interval signal including an identity of said time interval into only one of said plurality of paging signal subframes.
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10. A mobile communications receiver comprising:
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a receiver; detecting means for detecting a paging signal; empty time interval detecting means for detecting a single empty interval signal, said single empty interval signal having an identity of a time interval during which at least one of a plurality of paging signal subframes contains no paging signal after transmission of a first paging signal subframe including said paging signal; and stopping means for stopping a receiving operation of said receiver during said time interval corresponding to at least one paging signal subframe.
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Specification