Telecommunications – Radiotelephone system – Including personal numbering system
Reexamination Certificate
2000-07-11
2003-06-03
Chin, Vivian (Department: 2682)
Telecommunications
Radiotelephone system
Including personal numbering system
C455S433000, C455S560000, C455S445000, C379S221100
Reexamination Certificate
active
06574481
ABSTRACT:
TECHNICAL FIELD OF THE INVENTION
This invention is related in general to the field of telecommunications systems. More particularly, the invention is related to a system and method for Application Location Register (ALR) routing in a telecommunications network.
BACKGROUND OF THE INVENTION
Wireless or Personal Communication Service (PCS) providers have been, until recently, able to store and maintain subscriber information and current location data on only one home location register (HLR). However, due to the escalating number of subscribers and the rapid expansion of the wireless (PCS) communications networks, it has become necessary to employ multiple home location registers to accommodate the growth.
By using multiple home location registers in the wireless communications network, it becomes necessary to devise a system and method to route the query messages and location updates to the proper home location register. A proposed solution is to provide a database in the service control point (SCP) in the telecommunications network, which maintains routing information. However, a serious drawback with this solution is the additional traffic it may cause in the signaling system no.
7
(SS
7
) network by routing these additional queries from the mobile switching centers (MSCs) to the service transfer points (STPs) and then to the service control point. These queries add to the existing signaling traffic that accomplish toll-free calling, number portability, and other global title translation (GTT) queries to provide services such as line information database (LIDB) services, switch based services (SBS) such as certain Bellcore's CLASS® services, calling name (CNAM) delivery, and interswitch voice messaging (ISVM). Due to the anticipated large overall query volume, the SS
7
link set between the service control point and signal transfer point becomes a troublesome bottleneck, creating a potentially substantial negative impact to the network's ability to route calls and provide services.
SUMMARY OF THE INVENTION
Accordingly, a need has arisen for a solution to the application location register routing problem for multiple home location registers. The teachings of the present invention provides a system and method for application location register routing which addresses this problem.
In one aspect of the invention, a method for application location register routing in a signal transfer point in a wireless telecommunications network is provided. The method includes the steps of receiving a query message requesting for information related to a specific mobile telecommunications customer, decoding the query message and obtaining a translation type and a global title address therefrom, looking up the translation type in a first database residing in the signal transfer point and determining a location of a second database residing in the signal transfer point for processing the query message. Thereafter, at least a predetermined portion of the global title address is used to look up, in the second database residing in the signal transfer point, to obtain a network address of a destination for processing the query message. The query message is then forwarded to a network node in the wireless telecommunications network specified by the network address.
In another aspect of the invention, a system for application location register routing in a wireless telecommunications network includes a first cluster of processors adapted for receiving a query message requesting for information related to a specific mobile telecommunications customer, a first database being accessible by the first cluster of processors and having location information of a second database, and a second cluster of processors co-located with the first cluster of processors and being adapted for receiving at least a portion of the query message from the first cluster of processors. The second cluster of processors is dedicated to process application location register routing. A second database is accessible by the second cluster of processor and stores network addresses specifying the destinations of the query messages. The second cluster of processors are adapted to obtaining the network addresses from the second database and forwarding the network address to the first cluster of processors.
REFERENCES:
patent: 5586117 (1996-12-01), Farris et al.
patent: 5586177 (1996-12-01), Farris et al.
patent: 5598464 (1997-01-01), Hess et al.
patent: 5878129 (1999-03-01), Figurski et al.
patent: 5878347 (1999-03-01), Joensuu et al.
patent: 6006098 (1999-12-01), Rathnasabapathy et al.
patent: 6097960 (2000-08-01), Rathnasabapathy et al.
patent: 6195425 (2001-02-01), Farris
patent: 0317170 (1989-05-01), None
patent: WO 96/11557 (1996-04-01), None
patent: WO 97/27717 (1997-07-01), None
L. Smith, “Number Portability Pileup”, Telephony, vol. 232, No. 1, Jan. 6, 1997, pp. 22-24.
C. Buckles, “Very High Capacity Signaling Transfer Point for Intelligent Network Services”, Digital Technology—Spanning the Universe, Philadelphia, Jun. 12-15, 1988, vol. 3, No. 2, pp. 1308-1311.
Bucholtz, Chris,DSC Steps Up INfusion, Telephony, 1 page. Jul. 21, 1997.
Wilson, Carol,Putting the ′N′ in ISDN, Telephony, 4 pages. Oct. 26, 1992.
The History of AIN, Part I, Telephony, p. 20. May 30, 1994.
Karpinski, Richard,Opening the Door to Opportunity, Telephony, pp. 30-31, 34-36, 40. Mar. 9, 1992.
“Signaling Transfer Point (STP) Generic Requirements”, Bellcore (Bell Communication Research), Generic Requirements Issue 2, Dec. 1996 with Revision 1, Dec. 1997, pp. two unnumbered pages, Contents and cover page (i-xviii); Preface pp. 1-2; pp. 1-1 through 12-2; A-1 through J-14; References-1 through References-6 and Glossary-1 through Glossary-6.
Long, et al., “SCCP for Eagle STP Feature Definition”, Tekelec; Document: 070125m0.mwd -Revision 1.12; pp. cover page, Revision History-1 through Revision History i through vii; pp. 1-91. Mar. 2, 1993.
“Digital cellular telecommunications system (Phage2+)” Organization of subscriber data (GSM 03.08 version 6.2.0 Release 1997) TS 100 526 V.6.2.0 (1998-11) Global Systems for Mobile Communications; ETSI; pp. 1-33. Nov. 1998.
“Intelligent Network (IN) Number Portability Task Force (NPTF); IN and Intelligence Support for Service Provider Number Portability”; Draft EG 201 367 V1.1.1 (1998-11); ETSI; pp. 1-56. Nov. 1998.
Digital cellular telecommunications system (Page 2+); Support of Mobile Number Portability (NMP) IN Call-Related; Technical Realization; Stage 2; GMS 03XX.66yyA Part 2 Version 0.432.0; GSM 03.66 Part 2 V0.4.0 (19999-01), pp. TEK 15922-TEK15970. Jan. 1999.
Digital cellular telecommunications system (Page 2+); Support of Mobile Number Portability (NMP) Technical Realization; Stage 2; GMS 03.66, Version 0.32.0; Part 1 GSM 03.66 V0.3.0 (1999-01), ETSI; pp. 1-17. Jan. 1999.
“Digital cellular telecommunications system (Phase 2+) Support of Mobile Number Portability (NMP) Handling of Non-call Related Signalling Technical Realization -Part 3 GSM 03.66 Version 0.6.0.”, GSM 03.66 VO6.0 (1999-01); ETSI; pp. 1-17. Jan. 1999.
Digital cellular telecommunications system (Phase 2+) Support of Mobile Number Portability (MNP) MNP Signalling Relay Function -Call Related Technical Realization Stage 2 Part 4 GSM 03.66 Version 0.8.0; GSM 03.66 V0.8.0 (1999-01); ETSI; pp. 1-20. Jan. 1999.
Taff, Anita,BOCs Divulge Genesis of CCS7 Crashes, Network World, pp. 1, 89. Jul. 15, 1991.
Anthes, Gary,Phone Companies Hunt for Cure to Switch Woes, Computerworld, pp. 1, 6. Jul. 8, 1991.
Taff, Anita,CCS7 Woes Fuel Outages for 2 Telcos, Network World, pp. 1, 7. Jul. 1, 1991.
For the Record..., Telephony, p. 22. Feb. 19, 1996.
Mason, Charles,Wireless Providers Meet Sophisticated Needs, Telephony, pp. 58, 60, 62-63 and 1-4. Jun. 6, 1994.
Barnhardt, Troy,Making the Leap to SS7, Telephony, pp. 24, 28.
Adams and Smith,Making the Switch to SS7, Rural Telecommunications, pp. 43-45. May/Jun. 1994.
Knight, Fred S.,Tekelec's Eagle STP/1, Business Communications Review (abstract only), p. 1. Aug. 1992.
Lanning, Tho
Cook Russell R.
Rathnasabapathy Rajan
Alcatel USA Sourcing L.P.
Chin Vivian
Sewell F. Lawrence
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