Fast circuit switched data architecture and method
First Claim
1. A method of transferring packet data over a circuit switched network, said method comprising:
- providing packet data having identification information related thereto;
directing said packet data to a circuit switched network entity, wherein circuit switched data is processed;
analyzing said identification information at said network entity; and
processing said packet data in a manner different than that used for circuit switched data.
1 Assignment
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Accused Products
Abstract
An efficient method and architecture for transferring packetized digital data over a circuit switched data network. On packet data calls, the receiving entity initially identifies the packetized data call as being of the circuit switched variety, thereby permitting further processing of the call using circuit switched infrastructure. Based on identification information embedded in the received data packets, the receiving entity subsequently identifies the call as being a packet data format, and routes the payload packet data to the upper layers of the protocol stack of the receiving entity. The network layer then routes the packet data directly to the connected data network (such as the internet), bypassing normal circuit switched call processing. Accordingly, infrastructure not equipped to handle packet data can be made to do so in an efficient and reliable manner, using only existing cellular service options and a unified interworking function (IWF) module. Mobile unit dormancy is supported on mobile-terminated packet data calls through the use of a second existing cellular service option for paging and call identification.
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Citations
47 Claims
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1. A method of transferring packet data over a circuit switched network, said method comprising:
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providing packet data having identification information related thereto;
directing said packet data to a circuit switched network entity, wherein circuit switched data is processed;
analyzing said identification information at said network entity; and
processing said packet data in a manner different than that used for circuit switched data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of transferring packet data over a communication network, said method comprising:
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providing packet data having identification information related thereto;
transmitting said packet data as circuit switched data from a first network entity;
receiving said packet data at a second network entity;
analyzing said identification information to identify packet data that is associated with said circuit switched data; and
processing said identified packet data within said second entity as circuit switched data. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A method of transferring packet data over a circuit switched communication network, said method comprising:
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providing packet data having identification information related thereto;
transmitting said packet data as circuit switched data from a first circuit switched network entity;
receiving said packet data at a second circuit switched network entity wherein circuit switched data is processed;
analyzing said identification information to identify packet data associated with said circuit switched data;
processing said packet data in a manner different than that used for said circuit switched data.
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21. A method of transferring packet data over a circuit switched cellular communication network, said method comprising:
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providing packet data having identification information related thereto;
transmitting said packet data from a cellular mobile unit as circuit switched data;
receiving said circuit switched data at a circuit switched cellular base station;
transferring received circuit switched data from said base station to an interworking function;
analyzing said identification information associated with said circuit switched data to identify said packet data therein; and
processing said packet data and routing one or more bytes thereof to an external data network. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 39, 40, 41)
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29. A circuit switched communication entity which processes both circuit switched and packet data, said entity comprising:
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a receiver for receiving circuit switched transmissions having identification information from another network entity, at least one of said received circuit switched transmissions having packet data embedded therein;
a first processing element for analyzing said circuit switched transmissions received by said receiver and identifying said transmissions having packet data embedded therein through analysis of said identification information;
a second processing element for further processing of said circuit switched transmissions having no embedded packet data; and
a third processing element for further processing of said circuit switched transmissions having packet data embedded therein, said third processing element being functionally connected to an external data network. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
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38. A method of transmitting packet data to a dormant network entity, said method comprising:
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directing packet data having identification information to a first network entity;
paging a dormant network entity using a first circuit switched logical channel;
establishing a second circuit switched logical channel between said first network entity and said dormant entity in response to said paging;
transmitting said packet data from said first entity to said dormant entity over said second logical channel; and
identifying said packet data received by said dormant entity through analysis of said identification information. - View Dependent Claims (42, 43, 44, 45, 46, 47)
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Specification