Delivery of subscriber digital data messages in a dual mode cellular telephone network
First Claim
1. A method for delivering a subscriber digital data message to a mobile station which has currently selected an analog control channel, comprising the steps of:
- receiving a subscriber digital data message addressed to the mobile station which has currently selected the analog control channel;
sending, in response to receipt of the subscriber digital data message, a command signal to the mobile station ordering the mobile station to engage in a server reselection of a digital control channel; and
delivering the subscriber digital data message to the mobile station following mobile station accessing of the digital control channel, the step of delivering comprising the step of utilizing the accessed digital control channel to carry the subscriber digital data message.
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Accused Products
Abstract
A number of different mechanisms are proposed for effectuating the delivery of digital data messages to mobile stations which have currently selected an analog control channel. In one method, a signal is sent to the mobile station instructing it to make a server reselection and choose the best available digital control channel. Once the reselection is accomplished, the digital data message is delivered in a conventional manner using the digital control channel. In another method, the digital data message is reformatted for analog delivery, and the reformatted message sent over either the analog control channel or a selected analog voice channel. In yet another method, a call connection is made with the mobile station over a voice channel, and a synthesized audible message corresponding to the digital data message is transmitted over the voice channel after the subscriber answers the call. In instances where message delivery over the control channel is interrupted due to mobile station roaming, a forced re-registration occurs following the new server reselection, thus triggering continued message delivery over the new control channel.
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Citations
19 Claims
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1. A method for delivering a subscriber digital data message to a mobile station which has currently selected an analog control channel, comprising the steps of:
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receiving a subscriber digital data message addressed to the mobile station which has currently selected the analog control channel; sending, in response to receipt of the subscriber digital data message, a command signal to the mobile station ordering the mobile station to engage in a server reselection of a digital control channel; and delivering the subscriber digital data message to the mobile station following mobile station accessing of the digital control channel, the step of delivering comprising the step of utilizing the accessed digital control channel to carry the subscriber digital data message. - View Dependent Claims (2, 3, 4)
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5. A method for delivering a subscriber digital data message to a mobile station which has currently selected an analog control channel, comprising the steps of:
comparing a length of the subscriber digital data message to a threshold;
if the length is less than the threshold;translating the subscriber digital data message for transmission over the analog control channel; and delivering the subscriber digital data message to the mobile station as a data communication over the analog control channel; and
if the length is greater than the threshold;translating the subscriber digital data message for transmission over an analog voice channel; seizing the analog voice channel; and delivering the subscriber digital data message as a data communication over the analog voice channel. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13)
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14. A method for delivering a subscriber digital data message to a mobile station which has currently selected an analog control channel, comprising the steps of:
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receiving a subscriber digital data message addressed to the mobile station which has currently selected the analog control channel; performing, in response to receipt of the subscriber digital data message, a call set-up to the mobile station to establish a call connection with the mobile station; synthesizing an audible communication corresponding to the digital data message; and transmitting the audible communication to the mobile station over the call connection. - View Dependent Claims (15)
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16. A method for delivering a subscriber digital data message to a mobile station which has currently selected an analog control channel, comprising the steps of:
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receiving a subscriber digital data message addressed to the mobile station which has currently selected the analog control channel; translating, in response to receipt of the subscriber digital data message, the subscriber digital data message for transmission over the analog control channel; partitioning the translated message into a plurality of message components; and sequentially delivering the plurality of message components of the digital data message to the mobile station as a corresponding plurality of data communications over the analog control channel; monitoring during the course of the sequential delivery for a re-registration by the mobile station indicative of the selection of a new analog control channel; and continuing the step of sequentially delivering by sequentially delivering any remaining plurality of message components of the subscriber digital data message to the mobile station as a corresponding remaining plurality of data communications over the new analog control channel. - View Dependent Claims (17)
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18. A method for mobile station operation in connection with the delivery of a digital data message, wherein the digital data message is configured for transmission over a control channel and partitioned into a plurality of message components, comprising the steps of:
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sequentially receiving the plurality of message components of the digital data message as a corresponding plurality of data communications over the control channel; making during the course of the sequential delivery a server selection of a new control channel; performing a re-registration in response to the made server selection; continuing to sequentially receive any remaining plurality of message components of the digital data message as a corresponding plurality of data communications over the new control channel; acknowledging each received message component; converting the plurality of data communications transmitted over the control channel back to the digital data message; and displaying the digital data message. - View Dependent Claims (19)
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Specification