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| Performance monitor system, transmission device and performance monitor method of transmission line |
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| Communication method and communication equipment |
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| Selectable differential or single-ended mode bus |
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| Multi-functional I/O buffers in a field programmable gate array (FPGA) |
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| DTMF detection in internet telephony |
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| Signaling mechanism for modem connection holding and reconnecting |
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| System and method for handling V.8bis signals for modem connections over packet networks |
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| Combined preamble detection and information method for burst-type digital communication system |
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| Signal synchronization method and receiver device for packet communication |
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Method and system for providing integrated services in a mobile radio communication system
| Details |
Inventors: Tseitlin, Eugene; Kogan, Barry; Agulnik, Anatoly;
Assignee: Motorola, Inc. (Schaumburg, IL)
Primary Examiner: Maung; Nay
Assistant Examiner: Lee; John J
Attorney, Agent or Firm: Jacobs; Jeffrey K.
A radio communication system (10) that includes a method and call processor (18) for integrating multiple services. The call processor (18) provides a transparent interface between various service subsystems (12-16) to allow inter-service call waiting notification and to improve overall system reliability and performance. A local home location register (HLR) (21) stores mobile subscriber unit status information, permitting the call processor (18) to perform call notification and route calls more efficiently. |
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DETAILED DESCRIPTION OF THE PRESENTLY PREFERRED EMBODIMENTS Turning now to the drawings, and in particular to FIG.
1, there is shown an exemplary multi-service radio communication system 10 in accordance with an embodiment of the present invention.
The system 10 includes an interconnect subsystem 12, a dispatch subsystem 14, an Internet protocol (IP) subsystem 16, a call processor (CP) 18, a main packet switch (MPS) 20, a plurality of base sites 22 and a plurality of mobile subscriber units (MSUs) 24.
The system 10 provides conventional interconnect and dispatch services to the MSUs 24, as well as Internet data packet services by way of the IP subsystem 16.
The interconnect subsystem 12 allows the MSUs 24 to communicate by way of the public switch telephone network (PSTN) 26.
The interconnect subsystem 12 can include commercially-available interconnect components, such as a mobile switching center (MSC), base site controllers (BSCs), and the like, at least one of which has been configured to interface to the CP 18.
The dispatch subsystem 14 permits the MSUs 24 to communicate using conventional dispatch services, such as those provided by an "iDEN" dispatch processor that is commercially available from Motorola, Inc.
The IP subsystem 16 permits the MSUs 24 to communicate by way of the Internet 28.
The IP system 16 can include a commercially-available mobile data gateway (MDG), such as one available from Motorola, Inc.
The CP 18 provides a novel interface between the subsystems 12-14 for integrating the interconnect, dispatch, and IP services provided to the MSUs 24.
This integration allows inter-service notification of MSU statuses and protocol conversion between the subsystems so that the various subsystems can be alerted to the operational status of the other subsystems.
The functionality of the CP 18 can appear to be "transparent" to the subsystems 12-16, i.
e.
, the subsystem components do not need to be modified substantially in order to communicate with and utilize the resources of the CP 18
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Multiplexer-related 
