WO1993011625A1 - Controleur de systeme radiotelephonique - Google Patents

Controleur de systeme radiotelephonique Download PDF

Info

Publication number
WO1993011625A1
WO1993011625A1 PCT/US1992/008674 US9208674W WO9311625A1 WO 1993011625 A1 WO1993011625 A1 WO 1993011625A1 US 9208674 W US9208674 W US 9208674W WO 9311625 A1 WO9311625 A1 WO 9311625A1
Authority
WO
WIPO (PCT)
Prior art keywords
switch
radiotelephone
cap
message
radiotelephone system
Prior art date
Application number
PCT/US1992/008674
Other languages
English (en)
Inventor
Daniel F. Tell
James P. Aldrich
Richard J. Malcolm
Kenneth A. Gustafson
John P. Lodwig
Original Assignee
Motorola Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Inc. filed Critical Motorola Inc.
Priority to JP5510091A priority Critical patent/JPH06505612A/ja
Priority to AU28629/92A priority patent/AU659239B2/en
Priority to KR1019930702330A priority patent/KR970005439B1/ko
Priority to BR9205588A priority patent/BR9205588A/pt
Publication of WO1993011625A1 publication Critical patent/WO1993011625A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13098—Mobile subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13106—Microprocessor, CPU
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13141—Hunting for free outlet, circuit or channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13173—Busy signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13175—Graphical user interface [GUI], WWW interface, visual indication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13176—Common channel signaling, CCS7
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13205—Primary rate access, PRI
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13209—ISDN
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/1324—Conference call
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2213/00—Indexing scheme relating to selecting arrangements in general and for multiplex systems
    • H04Q2213/13298—Local loop systems, access network

Definitions

  • the present invention relates generally to radiotelephone systems and, more particularly, to radiotelephone systems incorporating switches to perform communication interconnection between elements of the radiotelephone system.
  • Radiotelephone systems typically incorporate radiotelephone-specific switches which are used to interconnect base-stations in a particular coverage area with a public switched telephone network (PSTN). These radiotelephone-specific switches perform switching in response to signalling aspects related to the radiotelephone system.
  • the radiotelephone-specific switch may be the central location for storage of subscriber identification numbers, visiting identification numbers, billing information, etc.
  • the base-station When a radiotelephone call is initiated by a subscriber unit to a particular base-station in the radiotelephone system, the base-station will report the appropriate information back to the radiotelephone- specific switch so that switching to the appropriate destination can occur.
  • the radiotelephone-specific switch will perform user billing computations and storage, among other things.
  • radiotelephone-specific switches used in radiotelephone systems are difficult to build and even more difficult to maintain due to the complex combination of the switching elements coupled with the radiotelephone-specific aspects of signalling, control, etc.
  • the upper limit of capacity with respect to the radiotelephone-specific switch is usually the upper limit of capacity of the radiotelephone system for a given coverage area, a practical subscriber capacity problem occurs when radiotelephone-specific switches are employed.
  • the subscriber capacity for radiotelephone-specific switches may range anywhere from 500 subscribers up to at least 2500 subscribers, depending on the coverage area. In large coverage areas, the upper limit of subscriber capacity given by these radiotelephone-specific switches can be exceeded in a very short time.
  • radiotelephone-specific switch To alleviate this capacity and complexity problem in radiotelephone systems, elimination of the radiotelephone-specific switch is an ideal solution. Moreover, since land-line switches are abundant throughout the PSTN, there should never be a lack of switching power which might be used for both PSTN-type switching and radiotelephone-type switching. To eliminate the radiotelephone-specific switch, the signalling aspects related strictly to the radiotelephone system need to be removed from the radiotelephone-specific switch. This would allow for generic, PSTN-type switches to be used in lieu of the complex and capacity- limiting radiotelephone-specific switches. To assure a transparent change-over from the radiotelephone-specific switches to PSTN-type switches, changes to the architecture of the PSTN-type switch should be kept to a minimum.
  • the controller should not require additional protocol to perform the appropriate switching between the radiotelephone system and the PSTN.
  • the controller should have the capability to interface into a standard port of the PSTN-type switch without the switch knowing that it is being used for radiotelephone-type switching.
  • the controller, and consequently the radiotelephone system should have appropriate capability to leverage off of existing, classical PSTN-type switch functions.
  • a controller in a communication system processes control information related only to the radiotelephone system and accesses a switch to appropriately route voice information responsive to the processed control information.
  • FIG. 1 generally depicts the topology of a communication system incorporating a switching center having separate switching functions and radiotelephone signalling processing in accordance with the invention.
  • FIG. 2 generally illustrates in block diagram form the cellular applications platform (CAP) in accordance with the invention.
  • FIG. 3 generally depicts the steps the communication system of FIG.1 undergoes to connect a mobile initiating a call to a land- line destination v thin the PSTN in accordance with the invention.
  • FIG. 4 generally depicts the steps the communication system of FIG. 1 undergoes to connect a PSTN-originated call to a mobile in accordance with the invention.
  • CAP cellular applications platform
  • FIG. 5 generally depicts the steps the communication system undergoes to perform location update in accordance with the invention. Detailed Description of a Preferred Embodiment
  • FIG. 1 generally depicts the topology of a radiotelephone system having separate switching functions and radiotelephone signalling aspects in accordance with the invention.
  • the switch is a Class 5 switch 112.
  • the radiotelephone system is a cellular radiotelephone system, and more specifically the Group Special Mobile (GSM) Pan-European Digital Cellular System, which is generally described in GSM Recommendation 1.02, version 3.0.0, March, 1990.
  • GSM Group Special Mobile
  • the concept may be applied to any radiotelephone system which incorporates a radiotelephone-specific switch, such as an EMX switch available from Motorola, Inc. and described in Motorola Instruction Manual No. 68P81054E59 published by Motorola Service Publications, Schaumburg, IL.
  • FIG. 1 generally depicts the topology of a radiotelephone system having separate switching functions and radiotelephone signalling aspects in accordance with the invention.
  • the switch is a Class 5 switch 112.
  • the radiotelephone system is a cellular radiotelephone system, and more specifically the Group Special Mobile (
  • MSC virtual mobile switching center 115
  • the MSC 115 formally a distinct and separate entity, has evolved to a network of base-station controllers 125, a home location register 103 (HLR), a cellular application platform 118 (CAP) with cellular specific functions, and a set of defined standard interfaces for network interconnect functionality, plus specially developed (and published) interfaces for local cellular control, and a comprehensive operations & maintenance center 106 (OMC) element for managing this virtual MSC configuration.
  • HLR home location register 103
  • CAP cellular application platform 118
  • OMC operations & maintenance center 106
  • the virtual MSC will connect to any manufacturers Class 5 central office switch that provides a minimum set of intelligent networking (IN) capabilities.
  • FIG. 1 assumes that the PSTN Class 5 switch services, over a combination of Primary Rate Interfaces
  • the CAP 118 would support a combination of cellular specific functions that could reside on a single or multiple platforms as a function of cost and performance.
  • some of the elements shown as distinct and separate entities i.e., vehicle location register (VLR), mobility management, customized services, etc., could co-reside on the same physical platform if cost and performance warrant this arrangement.
  • VLR vehicle location register
  • the CAP 118 could have the capability to address the small as well as the large market, ranging from 50 channels to 6,000 channels. Expansion beyond that figure is envisioned to be performed through networking of CAPs 118 via the B interface 116 of FIG.l.
  • the HLR 103 represents the subscriber data base for the cellular network and is the permanent record store for all subscribers in the network.
  • the HLR 103 contains information such as preferred carrier, allowed features, call screen list, etc. This platform is also extensible in that the number of subscribers ranges from a low end of approximately 5,000 subscribers to a high end of approximately 500,000 subscribers.
  • the HLR 103 interconnects to the network or Class 5 switch 112 via SS»7 to facilitate incoming calls, and connects to the CAP 118 via IS-41, or GSM MAP, to support validation.
  • the base-station controllers 121-124 (BSC's), which may be local or remote, all have subrate switching capability within the platform and primarily perform interfacing functions for the radiotelephone system 125 to the virtual MSC 115.
  • Each BSC supports a plurality of base transceiver stations 127-129 (BTS's), which are the actual radio channels used to communicate with a subscriber 132. Whenever possible, speech compression may be employed between the BTS and BSC to reduce line costs.
  • Handoff between BTS's under the same BSC are accomplished via the switching capability associated with the BSC 122-124. Handoffs between BSC are accomplished through the Class 5 switch 112, typically via nailed connections. Alternatively, direct connections between BSC's may be used to facilitate the inter-BSC handoff.
  • each BSC 121-124 is targeted in size to support up to 1,500 radio channels.
  • the transcoder function depicted in the master BSC 121 of the radiotelephone system 125, is present to allow voice compression for decreased back haul costs on cell site connections.
  • transcoding converts 13 Kbps GSM speech to 64 Kbps A-Law PCM.
  • the transcoding function also represents the termination point for the integrated services digital network (ISDN) interface with the Class 5 switch 112. If desired for cost purposes, switching may also be associated with the transcoder to facilitate inter-BSC connections.
  • the Class 5 switch 112 link 113 terminates on the transcoder in the master BSC 121, where D channel controllers are groomed and routed to the CAP 118.
  • Voice channels are then compressed, if necessary (most analog modulation schemes do not use compression today), and routed to the BSC's 122-124.
  • the BSC's 121-124 communicate with the CAP 118 through the A+ interface, which is an interface based on the GSM A interface.
  • the A+ interface must supplement to the A interface to support analog modulation schemes as well as future digital modulation schemes, and is a published interface. The physical realization of this interface would most likely result in the transcoder grooming this interface from the BSC voice terminations and routing it to the CAP 118 with the D channel terminations. All inter-switch communications shall be handled by yet another published interface. In the preferred embodiment, this interface would be the GSM MAP interface. In countries such as the United States, the interface would be IS-41 interface. Inter- switch handoffs, as well as call delivery, would be facilitated through this interface. Voice interconnect to other switches would be made through the Class 5 switch 112, with control riding in the same link.
  • the OMC 106 represents a common look and feel to the operator for the entire infrastructure, and provides a central location for operation and maintenance type monitoring and performance. Interconnection to the PSTN 100 will be via a X.25 link with a standardized CMISE protocol.
  • an interworking function 109 dWF is connected to the Class 5 switch 112 to facilitate bearer services such as FAX, modem services, etc.
  • Class 5 switch 112 may be a generic Class 5 switch that supports the following functionality:
  • SSP End Office Service Switching Point
  • SCP service control point
  • the SS7 link 114 connecting the Class 5 switch 112 to the CAP 118 relates to a number of the International Chat and Telephone Consultive Committee (CCITT) recommendations.
  • the CCITT recommendations pertain to signalling in telephone networks for the purposes of call control and set-up as well as information exchange for peripheral services related to telephony.
  • Communications between the CAP 118, the HLR 103, and the Class 5 switch 112 are covered under several component parts of SS7, while the voice signalling for SS7 trunks between Class 5 switches and between Class 5 and Class 4 switches are covered under a slightly different grouping of component capabilities.
  • the CAP 118/HLR 103/Class 5 switch 112 communications requires the message transfer part (MTP), signalling connection control part (SCCP), combined with transaction capabilities procedures (TCAP) to support query and response type messages (800 like services) between network elements.
  • MTP message transfer part
  • SCCP signalling connection control part
  • TCAP transaction capabilities procedures
  • the voice communication between the switches require the MTP and either the telephone user part (TUP, international only), or the integrated services digital network user part (ISUP).
  • the B interface 116 comprises the inter-MSC IS-41 call sequence functionality for inter-MSC functions, e.g., registration, validation, handoff, updates, etc., plus the voice grade trunking (SS7 preferably) to deliver the calls to another Class 5 switch that hosts the targeted MSC.
  • the B interface 116 used in the preferred embodiment provides these functional capabilities under the GSM mobile application part (804 and 808). Again, it is desirable that the inter-switch voice call delivery be the SS7 trunking.
  • the CAP 118 is best described in terms of three basic functional blocks. These functions, and an accompanying description are listed below.
  • Mobility Ma-nag -m ⁇ -n - this entity arbitrates over all the handoff processing in the system. All measurement coordination, routing, control, etc., are under the jurisdiction of this entity. In addition, basic call-control would reside in this entity.
  • VLR this entity is responsible for tracking the location of the mobile 132 in the geographical coverage area covered by the BSCs residing under a particular CAP. As shown in FIG. 1, these would relate to BSCs 121-124 under the control of CAP 118. All registration processing, etc., is managed in this entity. In addition, all logical mobile busy status is maintained in this functional block.
  • Custom Services - this entity represents the remaining unique features of cellular, such as call trace, air time billing, etc. It also represents a customer programmable platform in that this is the main manifestation if the so called service creation environment for the virtual MSC 115.
  • FIG. 2 generally depicts the hardware architecture of the CAP 118
  • a front-end 200 is coupled to a compute platform (CP) 221 via a redundant I/O interface bus 215.
  • Front-end 200 uses processed control information for accessing switch 112 and routing voice information through the system.
  • the front-end 200 essentially consists of digital hardware located in the BSCs 121-124.
  • the front-end 200 consists of generic processors 203 (GPROC) which provide the interface capability and the hardware to support the B interface 116 depicted in FIG. 1.
  • the GPROC 203 is generally comprised of a Motorola 68030 digital signal processor (DSP), up to 16 Mbytes of RAM, approximately 2
  • the GPROCs 203 are coupled to a mega-stream interface 206 (MSI) which provide a circuit interface for the 2.048 MBPS spans (the A+ interface 126 of FIG. 1) which are coupled to the BSCs 121-124 of FIG. 1.
  • MSI mega-stream interface 206
  • the front-end 200 provides the digital hardware necessary to interpret and appropriately route incoming signalling-type messages to the CP 221 which processes the control information.
  • a storage medium 224 is used to store user information, and may specifically be used to store information related to customer services, vehicle location registration, and mobility management.
  • the CP 221 will transmit the appropriate response message back to either other CAPs, the Class 5 switch 112, or the BSCs 121-124. This is done via the front-end 200.
  • Typical messages processed by the CP 221 may be to establish a call connection to a subscriber 132, perform a handoff from one subscriber to another, etc.
  • the CP 221 and the storage medium 224 contain only processing capability related to the radiotelephone system.
  • FIG. 3 generally depicts the steps the communications system of FIG. 1 undergoes to connect a subscriber unit 132 initiating a call to a land-line destination within the PSTN 100 in accordance with the invention.
  • the mobile 132 sends an origination sequence to the BSC it is being served by.
  • this BSC is remote BSC 124 for purposes of example.
  • the BSC 124 sends a service request to the LAC surface request which includes the origination information from the mobile 132.
  • the LAC transmits the CM service request to the CAP where transaction 301 occurs.
  • Transaction 301 includes call processing in the CAP 118.
  • data storage is initialized, and all pertinent information from the mobile 132 is recorded. This information includes: seizure time, mobile identity, circuit information, etc.
  • the CAP 118 also updates trunk statistics and initiates dialog with the VLR to obtain appropriate parameters.
  • the VLR validates the mobile and returns a service profile back to the CAP 118.
  • Transaction 302 validates the response from the VLR and routes the response to the CP 221 of the CAP 118.
  • the CP 221 of the CAP records all pertinent mobile 132 information, which includes authentication, ciphering, and temporary mobile subscriber identity (TMSI) data.
  • TMSI temporary mobile subscriber identity
  • the CAP 118 then initiates authentication by sending an authenticate message to the mobile 132 via the LAC and the BSC 124.
  • the mobile 132 then returns an authentication response back to the CAP 118 via the BSC 124 in the LAC.
  • Transaction 303 occurs at the CAP 118 by routing the authentication response to the compute platform of the CAP 118.
  • the compute platform 221 verifies the response and then initiates ciphering by sending a cipher message to the mobile 132.
  • the mobile 132 processes the cipher message and sends a cipher response back to the CAP 118 via the BSC 124 and the LAC.
  • Transaction 304 occurs by routing the cipher response to the CP 221 where the response is verified.
  • the CAP 118 then initiates TMSI processing by sending TMSI to the mobile 132 via the LAC and the BSC 124.
  • the mobile processes the TMSI message and returns a
  • Transactions 305 occurs when the TMSI response is routing to the CP 221 of the CAP 118.
  • the CP 221 of the CAP 118 verifies the response then awaits the message from the mobile 132.
  • transactions 306 routes the set up message to the CP 221 of the
  • the CP 221 sends the dialed digit to be translated, the number translation receives the digits and translates (using DB routines), the results are returned and translation results received by CP 221.
  • a set up of the message is then sent to the term call handler, call processing is initiated by the CAP 118, and a BRI trunk is selected via a message sequence with a trunk handler.
  • Call sequence queue .931 then begins and the cap 118 establishes the call by send a set up message to the Class 5 switch 112 via the LAC.
  • the Class 5 switch 112 then sends an initial address message (IAM) to the PSTN 100 and then sends a call proceeding message back to the CAP 118 via the LAC.
  • IAM initial address message
  • Transaction 307 occurs at the CAP when the call proceeding message from the Class 5 switch 112 is routed to the CP 221 for processing.
  • a call proceeding message is then sent to the mobile 132 by the CAP 118 via the LAC and the BSC 124.
  • the CAP 118 then obtains a terrestrial circuit the message transaction and sends an assignment command to the BSC 124 and the mobile 132.
  • the BSC 124 sends an assignment complete command back to the CAP where at transaction 308 it is routed to the CP 221.
  • the CAP 118 then sends a path connect order to the LAC.
  • the LAC makes the path connect between itself and the CAP 118.
  • the PSTN 100 the sends an ACM message to the Class 5 switch 112 which in turn sends an alerting message to the CAP 118 via the LAC.
  • Transaction 309 routes the incoming alerting message from the Class 5 switch 112 to term call processing in the CAP 118 which records the event and passes the alerting the message to the CP 221.
  • the CP 221 sends an alerting message to the mobile 132 via the LAC and the BSC 124.
  • the PSTN 100 sends an answer message to the Class 5 switch 112 which then sends a connect message to the CAP 118 via the LAC.
  • Transaction 310 then routes the incoming connect message to term call processing which records the event and passes the connect message to the CP 221.
  • the CP 221 in the CAP 118 records the answer time, updates statistics, and then sends a connect message to the mobile 132.
  • the call is now in the conversation state.
  • the PSTN 100 sends a release message to the Class 5 switch 112 which simultaneously sends a release call
  • the release message is forwarded to term call processing within the CAP 118 which then acknowledges to the Class 5 switch 112 the release by sending it the release message.
  • the Class 5 switch acknowledges the release by sending a release complete message back top the CAP 118 where transaction 313 routes the release complete message to term call processing.
  • Term call processing idles the BRI via a message exchange and sends term call segments to the billing generator.
  • the term call processing forward the release complete message to the CP 221 of the CAP 118 and then terminates the operation.
  • the CP 221 sends a clear command to the BSC while the CP 221 stores a segment of billing information and awaits for the completion of the billing information.
  • the BSC 124 sends a channel release message to the mobile 132 wherein the mobile will stop transmitting on the particular channel. When this occurs, the BSC 124 will send a clear complete message to the CAP 118 where transactions 314 routes the clear complete message to the CP 221. At this time, terrestrial circuits that were previously engaged are released the message transaction, the time recorded and the remaining segments of billing information sent to the billing generator. Original call processing ends, the billing generator formulates and sends the billing and data to the VLR. The VLR sends an acknowledgement back to the CAP 118 wht, ⁇ transaction 315 is routed to the billing generator within the CAP 118 and call data is then released.
  • the PSTN 100 sends an initial address message (1AM) to the Class 5 switch 112.
  • the Class 5 switch 112 then sends routing information to the HLR 103 which then in turn sends the routing information to the VLR within the CAP 118.
  • the VLR resides within the CAP 118. In other embodiments, the VLR may be a separate physical entity.
  • the incoming routing information is received by the CAP and transaction 401 routes the information to original call processing within the CAP 118.
  • a BRI is allocated via a message sequent and a timer is set within the CAP 118.
  • the routing information acknowledgement containing a mobile station roaming number (MSRN) associated to the BRI is returned to the VLR and a set up message is awaited.
  • the VLR sends the routing information acknowledgement to the HLR 103 where it is in turn sent to the Class 5 switch 112.
  • the Class 5 switch 112 sends a set-up message to the CAP 118 via the LAC where transaction 402 routes the set up message to original call processing within the CAP 118.
  • the CAP 118 records the seizure time and pegs statistics. Also, the original call processing within the CAP 118 matches the incoming BRI with the subscriber number.
  • term call processing initializes data processing data storage, records all pertinent information, such as mobile identity, circuit information, etc. and initiates a dialog with a VLR to obtain location area identification (LAI), TMSI, and international mobile subscriber identity (IMSI).
  • LAI location area identification
  • TMSI time division multiple access
  • IMSI international mobile subscriber identity
  • the CAP 118 then sends a validation request to the VLR to validate the mobile.
  • VLR then sends a validation response containing the LAI, TMSI, and IMSI back to the CAP 118 where transaction 403 routes the validation response to term call processing within the CAP 118.
  • Call processing within the CAP 118 records all the pertinent information and initiates a paging sequence.
  • the CAP 118 pages the mobile 132 via the lack and the BSC 124 through BTS 129.
  • the mobile 132 sends a page response back to the CAP 118 via the BSC 124 and the LAC where transaction 404 routes the incoming page response to term call processing within the CAP.
  • Term call processing records all pertinent information about the mobile 132 and sends a process access request message to the VLR.
  • the VLR sends authenticate, cipher, new TMSI data back to the CAP where transaction 405 routes the incoming access response to term call processing within the CAP 118.
  • Term call processing records this information then initiates authentication by sending an authentication message to the mobile 132.
  • the mobile 132 will send an- authentication response back to the CAP 118 where transaction 406 routes the authentication response to term call processing.
  • Term call processing verifies the response and then initiates ciphering by sending a cipher message to the mobile 132.
  • the mobile Upon receipt of the cipher message, the mobile will send a cipher response back to the CAP 118 for transaction 407 routes the cipher response to term call processing.
  • Ter call processing verifies the response and then the CAP 118 initiates TMSI processing by sending TMSI to the mobile 132.
  • the mobile 132 sends a TMSI response back to the CAP 118 where transaction 408 routes the incoming TMSI response to term call processing within the CAP 118.
  • Term call processing verifies the TMSI response and begins the Q.931 sequence.
  • the CAP 118 establishes a call to the mobile 132 by sending a set up message to the mobile 132 via the LAC and the BSC 124.
  • the mobile 132 sends a call confirmation message to the CAP 118 where transaction 409 routes the message to term call processing within the CAP 118.
  • the CAP obtains terrestrial circuits via message transactions and sends assignment commands to the BSC 124 and the mobile 132. Also, at this time, the CAP 118 records all pertinent data required for billing purposes.
  • the mobile 132 Upon receipt of the assignment command, the mobile 132 will send an assignment complete message back to the CAP 118 via the BSC 124 and the LAC.
  • Transaction 410 routes the incoming assignment complete message to call processing after sending the assignment complete message, the mobile 132 sends an alert message back to the CAP 118 where transaction 411 routes the alert message to term call processing.
  • Term call processing within the CAP 118 records the events and forwards it to the original call processing, where it is then sent to the Class 5 switch 112 via the LAC.
  • the Class 5 switch 112 sends a ACM message to the PSTN 100 while the mobile 132 sends a connect message to the CAP 118.
  • Transaction 412 routes the incoming connect message from the mobile 132 to term call processing within the CAP 118.
  • Term call processing within the CAP 118 (where is term call processing, is it the compute platform
  • the call will stay in the conversation state until either the user on the PSTN 100 side or the mobile 132 decides to terminate the call. If the mobile 132 initiates the termination, it will send a disconnect message to the CAP 118 where transaction 414 routes the disconnect message to term call processing. Term call processing records the disconnect time and forwards the message to original call processing which in turn initiates a disconnect sequence by sending the disconnect message to the Class 5 switch 112 via the lack.
  • the Class 5 switch 112 sends a REL message to the PSTN 100 which in turn sends a RLC message back to the Class 5 switch 112. In the meantime, the Class 5 switch sends a release message to the CAP 118 via the lack where transaction 415 routes the release message to original call processing.
  • the CAP records the release time and forwards the release message to term call processing which then sends the release message to the mobile 132.
  • the mobile 132 responds with a release complete command which is received by the CAP 118.
  • Transaction 416 routes the release complete message to term call processing which sends a clear command to the BSC 124 and forward the release complete command to original call processing.
  • Original call processing sends a release complete message to the Class 5 switch 112 via the LAC and then idles the BRI via a message transaction.
  • Original call processing also sends the original call segment to the billing generator and terminates operation.
  • the billing generator stores the call segment and awaits for the other half of the segment. (Where is billing done?).
  • the mobile 132 after receiving the clear command from the CAP 118 sends a channel release command back to the BSC 124 which in turn sends a clear complete command back to the CAP 118.
  • Transaction 417 routes the clear complete message from the BSC message 124 to call processing which releases terrestrial circuits via message transactions.
  • the CAP 118 also records the time and sends the other half of the call segment to the billing generator; term call processing ends at this point.
  • the billing generator within. the CAP 118 formulates and sends the billing data to the VLR which in turn sends a billing data ACK message to the CAP
  • FIG. 5 generally depicts the steps the communication system undergoes to perform location update in accordance with the invention. Again, when the mobile turns on or enters a new LAI, the steps the mobile 132 takes to establish communication to the BSC 124 are the same as that for IMSI detach and attach.
  • the mobile 132 When signalHng has been estabHshed between the mobile 132 and the BSC 124, the mobile 132 will send a location update message to the capital BSC 124 which in turn transfers this location update message to the CAP 118 via the LAC.
  • Transaction 501 routes the location update message to mobiHty management within the CAP 118.
  • the CAP 118 then sends an update location area message to the BLR.
  • the update location area message contains both the old and the new LAIs; also, if the location updates indicates periodic registration, then a new TMSI is not required.
  • the VLR sends a return result to the CAP 118 where transaction 502 routes the return result to mobiHty management within the CAP.
  • the CAP 118 then initiates authentication processing by sending an authentication request to the mobile 132.
  • the mobile Upon receipt of the authentication request, the mobile will respond back to the BSC 124 which in turn will send an authentication response back to the CAP 118.
  • Transaction 503 routes the authentication response to mobiHty management, which verifies the response and initiates ciphering by sending a cipher message to the mobile 132.
  • the mobile responds back to the BSC 124 which in turn sends a cipher response to the CAP 118.
  • Transaction 504 routes the cipher response to mobility management which verifies the response.
  • the CA? 118 then initiates TMSI processing by sending TMSI to the mobile 132.
  • the mobile 132 undergoes a TMSI reallocation sequence w, : _ BSC 124 and, upon completion, the BSC 124 sends a TMSI reallocation complete message to the CAP 118.
  • Transaction 505 at the CAP 118 routes the TMSI reallocation complete message to mobility management which again verifies the response.
  • the CAP 118 then sends a TMSI ACK message to the VLR.
  • the TMSI ACK message contains the appropriate location update.
  • the VLR then sends a location update accepted message to the CAP 118 where transaction 506 routes the location update accepted message to mobiHty management.
  • the CAP 118 sends a location update accepted message to the mobile 132 via the LAC and the BSC 124 and also sends a clear command message to the BSC 124.
  • the BSC 124 sends a channel release message to the mobile 132 which response with a DISC command to the BSC 124.
  • the BSC 124 sends a clear complete command to the CAP 118 where transaction 507 routes the message to the mobiHty manager.
  • location update of the mobile 132 has been completed.
  • FIG.'s 3-5 represent a fraction of the possible message sequences available within a complex radiotelephone system.
  • the advantages, however, of separating the signalling functions related to the radiotelephone system from the switching functions performed by the Class 5 switch 112 are apparent. Since a high percentage of the data transferred throughout the radiotelephone system consists of signalling data related to the radiotelephone system, it is extremely practical for the CAP 118 to perform solely as the "conductor" of all signalling aspects related to the radiotelephone system. This allows the Class 5 switch 112 to solely perform switching functions related to voice information transferred between the PSTN 100 and the radiotelephone system 125.
  • the CAP 118 does not require any special interface to access the Class 5 switch 112.
  • the control paths between the Class 5 switch 112 and the CAP 118 are standard SS7 links.
  • the CAP 118 also is input into the Class 5 switch 112 via a typical ISDN- type connection, which in the preferred embodiment is a LAP ⁇ connection. In this way, the CAP 118 simply accesses the standard control circuitry found within the Class 5 switch 112. Since Class 5 switches 112 incorporate predetermined features, such as three party conference calling, call waiting, etc., the Class 5 switch 112 is transparent to all signalHng provided by the CAP 118.
  • the ceUular radiotelephone system 125 can leverage off of the features provided by a standard Class 5 switch 112. This feature eliminates the need for a special ceUular switch which also incorporates the predetermined features required by users of both the radiotelephone system 125 and the PSTN 100.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Selective Calling Equipment (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Un contrôleur (118) commande les fonctions se rapportant spécifiquement à la signalisation radiotéléphonique dans un système de communication. Le contrôleur (118) est physiquement séparé d'un commutateur (112) qui effectue tous les acheminements nécessaires de données vocales de système radiotéléphonique en système radiotéléphonique, et du système radiotéléphonique vers un système de réseau téléphonique commuté public (RTPC, 100). Le contrôleur (118) se connecte avec le commutateur (112) par l'intermédiaire d'une connexion du type RSDN, l'accès au commutateur (112) se faisant essentiellement de manière transparente. Cet accès transparent permet d'utiliser des commutateurs communs et génériques (des commutateurs de catégorie 5, notamment), présentant des caractéristiques d'utilisation prédéterminées telles que l'appel en attente, les conférences à trois etc. Des utilisateurs du système radiotéléphonique (125) peuvent accéder aux caractéristiques prédéterminées du commutateur (112) et les utiliser, comme requis, grâce au traitement de signalisation radiotéléphonique effectué par le contrôleur (118).
PCT/US1992/008674 1991-12-06 1992-10-13 Controleur de systeme radiotelephonique WO1993011625A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP5510091A JPH06505612A (ja) 1991-12-06 1992-10-13 無線電話システム用コントローラ
AU28629/92A AU659239B2 (en) 1991-12-06 1992-10-13 Radiotelephone system controller
KR1019930702330A KR970005439B1 (ko) 1991-12-06 1992-10-13 무선전화장치의 제어기
BR9205588A BR9205588A (pt) 1991-12-06 1992-10-13 Controlador em sistema de comunicação, centro de comutação, processo de estabelecimento de chamada, centro de comutação móvel em um sistema radiotelefônico, e sistema telefônico.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80293391A 1991-12-06 1991-12-06
US802,933 1991-12-06

Publications (1)

Publication Number Publication Date
WO1993011625A1 true WO1993011625A1 (fr) 1993-06-10

Family

ID=25185132

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1992/008674 WO1993011625A1 (fr) 1991-12-06 1992-10-13 Controleur de systeme radiotelephonique

Country Status (9)

Country Link
EP (1) EP0570545A4 (fr)
JP (1) JPH06505612A (fr)
KR (1) KR970005439B1 (fr)
AU (1) AU659239B2 (fr)
BR (1) BR9205588A (fr)
CA (1) CA2100445A1 (fr)
MX (1) MX9207014A (fr)
NZ (1) NZ245079A (fr)
WO (1) WO1993011625A1 (fr)

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0630166A2 (fr) * 1993-06-18 1994-12-21 Nec Corporation Système de communication mobile avec réseau commuté RNIS
EP0647077A2 (fr) * 1993-09-30 1995-04-05 International Business Machines Corporation Méthode pour la commande d'un système mobile intégrant la voix et les données avec une pluralité de stations personnelles
WO1996015638A1 (fr) * 1994-11-14 1996-05-23 Nokia Telecommunications Oy Element de reseau d'abonne
WO1996021329A1 (fr) * 1994-12-30 1996-07-11 Telefonaktiebolaget Lm Ericsson Systeme et procede de communication cellulaire
WO1996035298A1 (fr) * 1995-05-04 1996-11-07 Interwave Communications International, Ltd. Procedes et appareils independants de la configuration pour transmission de logiciel dans un reseau cellulaire
WO1996035310A1 (fr) * 1995-05-04 1996-11-07 Interwave Communications International, Ltd. Complement cellulaire de reseau public a cable
WO1996039785A2 (fr) * 1995-06-06 1996-12-12 Telia Ab Ameliorations de la telephonie sans fil ou la concernant
WO1997018681A1 (fr) * 1995-11-16 1997-05-22 Nokia Telecommunications Oy Interfonctionnement de gestion de mobilite
US5734699A (en) * 1995-05-04 1998-03-31 Interwave Communications International, Ltd. Cellular private branch exchanges
US5761195A (en) * 1995-05-04 1998-06-02 Interwave Communications International, Ltd. Methods and apparatus for connecting calls in a hierarchical cellular network
WO1998028934A1 (fr) * 1996-12-05 1998-07-02 Nokia Telecommunications Oy Systeme radio pour reseau fixe
US5818824A (en) * 1995-05-04 1998-10-06 Interwave Communications International, Ltd. Private multiplexing cellular network
US5842138A (en) * 1995-05-04 1998-11-24 Interwave Communications International Ltd. Configuration-independent methods and apparatus for software communication in a cellular network
US5887256A (en) * 1995-05-04 1999-03-23 Interwave Communications International, Ltd. Hybrid cellular communication apparatus and method
US5896568A (en) * 1996-09-06 1999-04-20 Northern Telecom Limited Wireless architecture having redistributed access functions
US5953651A (en) * 1995-05-04 1999-09-14 Interwave Communications International, Ltd. Cellular adjunct to a public wired network
US5995825A (en) * 1994-09-14 1999-11-30 Nokia Mobile Phones, Ltd. Radio telephone system in which a mobile phone can receive a control message announcing the arrival of a new call during an ongoing call
WO2002043409A2 (fr) * 2000-11-22 2002-05-30 Winphoria Networks, Inc. Systeme et procede de gestion de fonctions supplementaires en presence d'un commutateur mandataire dans un reseau de communication mobile
WO2002043415A2 (fr) * 2000-11-22 2002-05-30 Winphoria Networks, Inc. Systeme et procede pour l'etablissement de communications mobiles via un commutateur de procuration
CN1096817C (zh) * 1995-05-04 2002-12-18 因特威夫通讯国际有限公司 混合的蜂窝通信设备和方法
US6625449B1 (en) 2000-11-22 2003-09-23 Winphoria Netwroks, Inc. System and method of siphoning messages from a mobile network to an alternative network
US6640108B2 (en) 1997-09-11 2003-10-28 Interwave Communications International, Ltd. Cellular communication system
US6650909B1 (en) 2000-11-22 2003-11-18 Winphoria Networks, Inc. System and method of preserving point codes in a mobile network having a proxy switch
US6801771B1 (en) 2000-11-22 2004-10-05 Winphoria Networks, Inc. System and method of mobility management in a mobile communications network having a proxy switch
US6829477B1 (en) 1997-08-27 2004-12-07 Interwave Communications International, Ltd. Private multiplexing cellular network

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663762A (en) * 1970-12-21 1972-05-16 Bell Telephone Labor Inc Mobile communication system
US4242538A (en) * 1976-06-28 1980-12-30 Nippon Telegraph And Telephone Public Corporation Radio channel control systems of mobile radio telephone systems
US4475010A (en) * 1983-05-05 1984-10-02 At&T Bell Laboratories High density cellular mobile radio communications
US5018187A (en) * 1990-06-05 1991-05-21 At&T Bell Laboratories Mobile telephone intrasystem and intersystem enhanced handoff method and apparatus for limiting trunk switching connections
US5138657A (en) * 1989-10-23 1992-08-11 At&T Bell Laboratories Method and apparatus for controlling a digital crossconnect system from a switching system
US5140627A (en) * 1990-10-09 1992-08-18 Telefonaktiebolaget L M Ericsson Handoff procedure that minimizes disturbances to dtmf signalling in a cellular radio system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1234938A (fr) * 1984-12-06 1988-04-05 Sewim F. Ablay Systeme d'interconnexion radio en duplex
FR2638307B1 (fr) * 1988-10-21 1994-06-10 Cit Alcatel Centre de commutation pour application radiomobile
FR2649842B1 (fr) * 1989-07-17 1994-04-08 Alcatel Cit Reseau d'acces pour service de telephonie sans fil
US5036531A (en) * 1990-02-27 1991-07-30 Motorola Inc. Local PSTN interconnect with remote signal link processing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663762A (en) * 1970-12-21 1972-05-16 Bell Telephone Labor Inc Mobile communication system
US4242538A (en) * 1976-06-28 1980-12-30 Nippon Telegraph And Telephone Public Corporation Radio channel control systems of mobile radio telephone systems
US4475010A (en) * 1983-05-05 1984-10-02 At&T Bell Laboratories High density cellular mobile radio communications
US5138657A (en) * 1989-10-23 1992-08-11 At&T Bell Laboratories Method and apparatus for controlling a digital crossconnect system from a switching system
US5018187A (en) * 1990-06-05 1991-05-21 At&T Bell Laboratories Mobile telephone intrasystem and intersystem enhanced handoff method and apparatus for limiting trunk switching connections
US5140627A (en) * 1990-10-09 1992-08-18 Telefonaktiebolaget L M Ericsson Handoff procedure that minimizes disturbances to dtmf signalling in a cellular radio system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP0570545A4 *

Cited By (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0630166A2 (fr) * 1993-06-18 1994-12-21 Nec Corporation Système de communication mobile avec réseau commuté RNIS
EP0630166A3 (fr) * 1993-06-18 1995-06-28 Nippon Electric Co Système de communication mobile avec réseau commuté RNIS.
US5542094A (en) * 1993-06-18 1996-07-30 Nec Corporation Mobile communication system making use of ISDN switched network
EP0647077A2 (fr) * 1993-09-30 1995-04-05 International Business Machines Corporation Méthode pour la commande d'un système mobile intégrant la voix et les données avec une pluralité de stations personnelles
EP0647077A3 (fr) * 1993-09-30 1999-03-03 International Business Machines Corporation Méthode pour la commande d'un système mobile intégrant la voix et les données avec une pluralité de stations personnelles
US5995825A (en) * 1994-09-14 1999-11-30 Nokia Mobile Phones, Ltd. Radio telephone system in which a mobile phone can receive a control message announcing the arrival of a new call during an ongoing call
WO1996015638A1 (fr) * 1994-11-14 1996-05-23 Nokia Telecommunications Oy Element de reseau d'abonne
US5933786A (en) * 1994-11-14 1999-08-03 Nokia Telecommunictions Oy Subscriber network element
WO1996021329A1 (fr) * 1994-12-30 1996-07-11 Telefonaktiebolaget Lm Ericsson Systeme et procede de communication cellulaire
US5956652A (en) * 1994-12-30 1999-09-21 Telefonaktiebolaget Lm Ericsson System and method relating to cellular communications
US5734699A (en) * 1995-05-04 1998-03-31 Interwave Communications International, Ltd. Cellular private branch exchanges
US5999813A (en) * 1995-05-04 1999-12-07 Interwave Communications Overlay cellular communication system
US5761195A (en) * 1995-05-04 1998-06-02 Interwave Communications International, Ltd. Methods and apparatus for connecting calls in a hierarchical cellular network
CN1096817C (zh) * 1995-05-04 2002-12-18 因特威夫通讯国际有限公司 混合的蜂窝通信设备和方法
US5818824A (en) * 1995-05-04 1998-10-06 Interwave Communications International, Ltd. Private multiplexing cellular network
US5842138A (en) * 1995-05-04 1998-11-24 Interwave Communications International Ltd. Configuration-independent methods and apparatus for software communication in a cellular network
US6212395B1 (en) 1995-05-04 2001-04-03 Interwave Communications International Ltd. Cellular communication system
US5887256A (en) * 1995-05-04 1999-03-23 Interwave Communications International, Ltd. Hybrid cellular communication apparatus and method
AU716483B2 (en) * 1995-05-04 2000-02-24 Interwave Communications International, Ltd. Cellular adjunct to a public wired network
CN1098006C (zh) * 1995-05-04 2003-01-01 因特威夫通讯国际有限公司 附属公用有线网络的蜂窝系统
US5953651A (en) * 1995-05-04 1999-09-14 Interwave Communications International, Ltd. Cellular adjunct to a public wired network
WO1996035310A1 (fr) * 1995-05-04 1996-11-07 Interwave Communications International, Ltd. Complement cellulaire de reseau public a cable
WO1996035298A1 (fr) * 1995-05-04 1996-11-07 Interwave Communications International, Ltd. Procedes et appareils independants de la configuration pour transmission de logiciel dans un reseau cellulaire
WO1996039785A2 (fr) * 1995-06-06 1996-12-12 Telia Ab Ameliorations de la telephonie sans fil ou la concernant
WO1996039785A3 (fr) * 1995-06-06 1997-02-13 Telia Ab Ameliorations de la telephonie sans fil ou la concernant
WO1997018681A1 (fr) * 1995-11-16 1997-05-22 Nokia Telecommunications Oy Interfonctionnement de gestion de mobilite
US5896568A (en) * 1996-09-06 1999-04-20 Northern Telecom Limited Wireless architecture having redistributed access functions
WO1998028934A1 (fr) * 1996-12-05 1998-07-02 Nokia Telecommunications Oy Systeme radio pour reseau fixe
US6829477B1 (en) 1997-08-27 2004-12-07 Interwave Communications International, Ltd. Private multiplexing cellular network
US6640108B2 (en) 1997-09-11 2003-10-28 Interwave Communications International, Ltd. Cellular communication system
WO2002043415A2 (fr) * 2000-11-22 2002-05-30 Winphoria Networks, Inc. Systeme et procede pour l'etablissement de communications mobiles via un commutateur de procuration
WO2002043415A3 (fr) * 2000-11-22 2003-02-06 Winphoria Networks Inc Systeme et procede pour l'etablissement de communications mobiles via un commutateur de procuration
GB2386302A (en) * 2000-11-22 2003-09-10 Winphoria Networks Inc System and method of managing supplementary features in the presence of a proxy switch in a mobile communications network
US6625449B1 (en) 2000-11-22 2003-09-23 Winphoria Netwroks, Inc. System and method of siphoning messages from a mobile network to an alternative network
WO2002043409A3 (fr) * 2000-11-22 2002-08-29 Winphoria Networks Inc Systeme et procede de gestion de fonctions supplementaires en presence d'un commutateur mandataire dans un reseau de communication mobile
US6650909B1 (en) 2000-11-22 2003-11-18 Winphoria Networks, Inc. System and method of preserving point codes in a mobile network having a proxy switch
GB2386302B (en) * 2000-11-22 2004-02-11 Winphoria Networks Inc System and method of managing supplementary features in the presence of a proxy switch in a mobile communications network
US6714777B1 (en) 2000-11-22 2004-03-30 Winphoria Networks, Inc. System and method of managing supplementary features in the presence of a proxy switch in a mobile communications network
US6801771B1 (en) 2000-11-22 2004-10-05 Winphoria Networks, Inc. System and method of mobility management in a mobile communications network having a proxy switch
WO2002043409A2 (fr) * 2000-11-22 2002-05-30 Winphoria Networks, Inc. Systeme et procede de gestion de fonctions supplementaires en presence d'un commutateur mandataire dans un reseau de communication mobile
US6850763B1 (en) 2000-11-22 2005-02-01 Winphoria Networks, Inc. System and method of servicing mobile communications with a proxy switch
AU2002217785B2 (en) * 2000-11-22 2005-09-22 Winphoria Networks, Inc. System and method of servicing mobile communications with a proxy switch
AU2002219803B2 (en) * 2000-11-22 2006-10-19 Winphoria Networks, Inc. System and method of managing supplementary features in the presence of a proxy switch in a mobile communications network
KR100849643B1 (ko) * 2000-11-22 2008-08-01 윈포리아 네트웍스, 인크. 이동 통신 네트워크에서 프록시 스위치가 존재하는 경우 부가적인 특징을 관리하는 시스템 및 방법

Also Published As

Publication number Publication date
EP0570545A1 (fr) 1993-11-24
CA2100445A1 (fr) 1993-06-07
NZ245079A (en) 1996-02-27
AU2862992A (en) 1993-06-28
EP0570545A4 (en) 1998-12-23
JPH06505612A (ja) 1994-06-23
KR930703785A (ko) 1993-11-30
KR970005439B1 (ko) 1997-04-16
MX9207014A (es) 1993-11-01
AU659239B2 (en) 1995-05-11
BR9205588A (pt) 1994-09-27

Similar Documents

Publication Publication Date Title
AU659239B2 (en) Radiotelephone system controller
US6073029A (en) Method and system for providing wireless communications to a subscriber of a private wireline network
AU724375B2 (en) Use of ISDN to provide wireless office environment connection to the public land mobile network
US6266523B1 (en) Method and system for dynamically assigning features and users to wireline interfaces
US5884179A (en) Optimized routing of terminating calls within a mobile telecommunications network
US5805997A (en) System for sending control signals from a subscriber station to a network controller using cellular digital packet data (CDPD) communication
US5629974A (en) Communication system providing mobility management internetworking between a C-interface radio system and an overlay mobile radio network
US6850758B1 (en) Method and system for integrating fixed terminals in a mobile telecommunication network
US7050414B2 (en) Method and apparatus for setting up a call over a packet-based transport network
US5999810A (en) Architecture for a wireless telecommunication system
US6459908B1 (en) Method and system for supporting wireless features in a Generic C wireline architecture
US20010027100A1 (en) Method and system for implementing a service in a telecommunication system
KR100205958B1 (ko) 통합된 홈위치등록기를 이용한 디지탈 이동통신 가입자와 아날로그 이동통신 가입자간의 호 처리 방법
WO2005069669A1 (fr) Procede, appareil et systeme reseau permettant d'etablir une communication dans un reseau de telecommunication
Pandya et al. Some performance benchmarks for the design of wireless systems and networks
CA2190630C (fr) Etablissement d'appels et demandes de services dans des reseaux de telecommunications
AU7501598A (en) Method and apparatus for establishing a through path for a communication signal
US6732174B1 (en) Apparatus and method of establishing a call using wireless and wireline integration through a telecommunication switch
MXPA99005576A (en) Use of isdn to provide wireless office environment connection to the public land mobile network

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AU BR CA JP KR UA

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL SE

WWE Wipo information: entry into national phase

Ref document number: 1992921761

Country of ref document: EP

WWE Wipo information: entry into national phase

Ref document number: 2100445

Country of ref document: CA

WWE Wipo information: entry into national phase

Ref document number: 1019930702330

Country of ref document: KR

EX32 Extension under rule 32 effected after completion of technical preparation for international publication

Free format text: KZ

WWP Wipo information: published in national office

Ref document number: 1992921761

Country of ref document: EP

WWW Wipo information: withdrawn in national office

Ref document number: 1992921761

Country of ref document: EP