WO2001005174A1 - Protocol utilization based on mobile country code - Google Patents
Protocol utilization based on mobile country code Download PDFInfo
- Publication number
- WO2001005174A1 WO2001005174A1 PCT/US2000/018842 US0018842W WO0105174A1 WO 2001005174 A1 WO2001005174 A1 WO 2001005174A1 US 0018842 W US0018842 W US 0018842W WO 0105174 A1 WO0105174 A1 WO 0105174A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mobile station
- country code
- protocols
- mobile
- systems
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
Definitions
- This invention relates to mobile stations handling multiple systems and protocols and, more particularly to system and protocol selection based on the mobile station location.
- Intelligent Roaming for ANSI 136 utilizes a database to determine the priority of a system. While registered on certain low priority systems, the mobile station must search for a system of higher priority.
- Another example is the Inter-Network Roaming Selection specification from GSM North America (GSM NA). This specification requires a priority database to determine the best system in AMPS and
- GSM 1900 While registered to a low priority system, the mobile station must search another protocol for a higher priority system.
- the ANSI-136 Intelligent Roaming and Inter-Network Roaming Selection specifications are the first of many specifications dealing with prioritized system selection requiring background scanning.
- Each wireless operator has its own objectives to be met by a GSM/IS-136 mobile station. Some operators want the mobile station to utilize the most desirable system in either protocol within an area. Others want the mobile station to utilize only a specific protocol in one country (excluding all other protocols) and another specific protocol in another country (excluding all other protocols).
- GSM and IS-136 systems There are currently several areas utilizing both GSM and IS-136 systems. For example, the United States, Canada, and Hong Kong have co-existing GSM and IS-136 systems. Some operators want the mobile station to utilize only IS-136 in the United States and Canada and to utilize only GSM everywhere else. Other operators want the mobile station to utilize the most desirable system of either protocol regardless of the location of the mobile station.
- a mobile station can vary the manner in which it scans for systems and which protocol or protocols it scans for depending on the country in which the mobile station is located.
- a mobile station when activated, differentiates between areas that require a particular protocol, for example, GSM, and areas that require a different protocol, for example, IS-136.
- a mobile station can search only for systems on a particular protocol, for example, GSM, in some countries and only for systems on a different protocol, for example, IS-136, in other countries.
- a mobile station can search for the best system regardless of protocol or within a particular subset of protocols depending on the country.
- one or more of the disclosed embodiments can allow wireless providers with service agreements that differ by country to be accommodated with a single approach.
- Another advantage is that flexibility is given to a mobile station to select the best of the available protocols (or a subset thereof) in some areas and a single protocol in other areas.
- Another advantage is that a mobile station is given the ability to operate in a dual-mode (or greater) environment without regard to particular paging protocols.
- Another advantage is that faster mobile station response upon activation, for mobile stations operating in two or modes, is enabled due to elimination of needless scanning and background scanning due to forbidden protocols.
- Figure 1 depicts a flow chart illustrating the presently preferred embodiment.
- Figure 2 depicts a block diagram of a mobile station that can make use of the disclosed embodiments.
- FIG. 3 depicts a block diagram of a cellular communications system suitable for implementing the disclosed embodiments.
- FIG. 3 depicts a block diagram of a cellular communications system suitable for implementing the disclosed embodiments.
- GSM/IS-136) mobile station As an example.
- the disclosed method and system are not limited to mobile stations which are GSM and IS- 136 capable or mobile stations with only two modes of operation.
- the disclosed innovations make use of Mobile Country Codes (or MCCs).
- MCCs Mobile Country Codes
- Each base station whether GSM or IS-136, or some other wireless protocol, broadcasts a MCC which signifies the country in which the base station is located.
- the MCC is used by the mobile station to determine which country the mobile station is in.
- the protocol/MCC matching differentiates between areas that require a particular protocol, for example, GSM, and areas that require a different protocol, for example, IS-136.
- FIG. 1 depicts a flow chart illustrating the presently preferred embodiment.
- a mobile station is first powered up (Step 102). Upon power up, the mobile station searches for systems in its available protocols (typically GSM and IS-136) without restraint (Step 104). When a system is found, the mobile station acquires the MCC being broadcast by the system (Step 106). The mobile station then compares the MCC with a protocol list (Step 108).
- the list is kept internally at the mobile station and contains information which matches acquired MCCs to allowed protocols.
- This list dictates the protocol (or protocols) which can be utilized given the acquired MCC.
- the list can be implemented as a flat file listing allowed or disallowed protocols for each MCC, a pointer type structure which matches MCCs to a protocol table, a dynamically alterable or linked list, or any other information structure that allows protocol decisions to be derived based on an acquired MCC. If the current protocol is the only protocol allowed for the given MCC, according to the list, no scans (or background scans) will be performed in any other protocols (Step 110).
- the system supplying the code is abandoned and systems in another protocol are searched (Step 112). If the MCC indicates that, according to the list, more than one protocol is allowed, the mobile station may perform scans (including background scans) in both protocols to find the best system (Step 114). Differing criteria can be used to determine the best system.
- the protocol list is typically kept in mobile station memory or Subscriber Information Module (or SIM) memory and ideally can be updated over the air or during mobile station software upgrades as well as through a mobile station user interface.
- SIM Subscriber Information Module
- the routines and procedures for system scanning can be adjusted to suit the wireless providers desires. Dynamically altering the scanning routines of the mobile station can allow for system scans which are limited to particular protocols. For example, if only GSM systems are available in a particular country, scanning for systems on the IS-136 protocol can be eliminated. Once the mobile station crosses into a country that has IS-136 systems, the mobile station can scan for those systems as well (according to the agreements of the wireless provider and the protocol restrictions of the mobile station). A mobile station can also be configured to scan for the best system regardless of protocol or for systems within a particular subset of protocols depending on the country.
- the mobile station when activated (power-up), searches for systems on a default protocol.
- This default protocol can be established by the wireless provider and may depend on where the mobile station was purchased. For example, if the mobile station was purchased in the United States, the default protocol may be IS-136. The default protocol may also be dynamic, for example, the protocol of the last system on which the mobile station was registered.
- FIG. 3 depicts a block diagram of a cellular communications system suitable for implementing the disclosed embodiments.
- a cellular telephone system 10 has a plurality of mobile switching centers (MSC) 12, 14, 16, or mobile telephone switching offices (MTSO), that are connected to each other and to a public switched telephone network (PSTN) 18.
- MSC mobile switching centers
- MTSO mobile telephone switching offices
- PSTN public switched telephone network
- Each of the mobile switching centers is connected to a respective group of base station controllers (BSC) 20, 22, 24.
- BSC base station controller
- Each base station controller is connected to a group of individual base transceiver stations (BTS) 26, 28, 30.
- Each base transceiver station of the groups 26, 28, 30 defines an individual cell of the cellular telephone system.
- Each base transceiver station of the groups 26, 28, 30 includes hardware and software functions required to communicate over communications channels of the system 10; and includes transmitters and receivers for communication with mobile telephone units.
- Each base transceiver station 26, 28, 30 also includes a plurality of individual standard receivers (StdR) 31 and scanning receivers (SR) 32 for scanning selected portions of the communications channel.
- StdR standard receivers
- SR scanning receivers
- Each base transceiver station 26, 28, 30 further includes digital multiplex equipment for transmission of audio traffic to its associated base station controller. It is the base transceiver stations 26, 28, 30, along with their associated base station controllers 20, 22, 24 and mobile switching centers, that transmit MCCs for use by a mobile station 33 and 200.
- each base station controller performs handoff execution for transferring ongoing communications from one cell to another within the group of base transceiver stations connected to the particular base station controller.
- Each base station controller communicates with its associated mobile switching center for effecting a handoff involving a cell or base transceiver station associated with a different base station controller.
- Each mobile switching center 12, 14, 16 processes all requests for calls, switching functions, as well as the mobility functions of registration, authentication and handoff.
- FIG. 2 depicts a block diagram of a mobile station 200 that can make use of the disclosed embodiments (like 33 and 35 described in Figure 1).
- the mobile station 200 includes, in this example:
- a control head 202 containing an audio interface i.e. a speaker 204 and microphone 206.
- the control head 202 generally includes a display assembly 208 allowing a user to see dialed digits, stored information, messages, calling status information, including signal strength, etc.
- the control head generally includes a keypad 210, or other user control device, allowing a user to dial numbers, answer incoming calls, enter stored information, and perform other mobile station functions.
- the control head also has a controller unit 234 that interfaces with a logic control assembly 218 responsible, from the control unit perspective, for receiving commands from the keypad 210 or other control devices, and providing status information, alerts, and other information to the display assembly 208;
- a transceiver unit 212 containing a transmitter unit 214, receiver unit 216, and the logic control assembly 218.
- the transmitter 214 converts low-level audio signals from the microphone 206 to digital coding using a codec (a data coder/decoder) 220.
- the digitally encoded audio is represented by modulated shifts, for example, in the frequency domain, using a shift key modulator/demodulator 222.
- Other codes transmission utilized by the logic control assembly 218, such as station parameters and control information, may also be encoded for transmission.
- the modulated signal is then amplified 224 and transmitted via an antenna assembly 226;
- the antenna assembly 226 contains a TR (transmitter/receiver) switch 236.
- the TR switch 236 is used to prevent simultaneous reception and transmission of a signal by the mobile station 200.
- the antenna assembly also contains at least one antenna 238.
- a different antenna may be coupled 240 to the antenna assembly.
- a receiver unit which receives a transmitted signal via the antenna assembly
- the signal is amplified 224 and demodulated 222. If the signal is an audio signal, it is decoded using the codec 220. The audio signal is then reproduced by the speaker
- a logic control assembly 218 usually containing an application specific integrated circuit (or ASIC) combining many functions, such as a general purpose microprocessor, digital signal processor, and other functions, into one integrated circuit.
- ASIC application specific integrated circuit
- the logic control assembly 218 coordinates the overall operation of the transmitter and receiver using control messages.
- the various disclosed embodiments make use of the logic control assembly to control scanning and evaluation of other base stations.
- the logic control assembly operates from a program that is stored in flash memory 228 of the mobile station. Flash memory 228 allows upgrading of operating software, software correction or addition of new features. Flash memory 228 is also used to hold user information such as speed dialing names and stored numbers.
- the various disclosed embodiments 242 typically utilize this or another section of the mobile station's internal memory.
- a Subscriber Information Module (or SIM) is used to store mobile station parameters and configurations. In such mobile stations, SIM memory can be utilized by the various disclosed embodiments.
- SIM Subscriber Information Module
- the mobile station will typically contain read only memory (ROM) 230 for storing information that should not change, such as startup procedures, and random access memory (RAM) 232 to hold temporary information such as channel number and system identifier.
- ROM read only memory
- RAM random access memory
- the disclosed embodiments determine the treatment of protocols based on a list.
- forms of comparison other than a list may be utilized to determine the treatment of protocols by the mobile station based upon Mobile Country Code.
- a partial list may be used with the absence of a Mobile Country Code from the list dictating a default protocol preference that is either predetermined, contained within the list, or resident somewhere else in the mobile station or Subscriber Information Module.
- the disclosed embodiments are described performing the initial system scan without protocol restraint.
- the initial scan protocols could be restricted by default, allowing a specific protocol to be used only after the Mobile Country Code has been determined.
- CDMA type protocols can utilize this method.
- the disclosed embodiments do not need to be the only source of protocol restrictions. There could be other methods used in conjunction with the disclosed embodiments, having lower or higher precedence, to determine protocol utilization.
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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Communication Control (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00945310A EP1197109A1 (en) | 1999-07-12 | 2000-07-11 | Protocol utilization based on mobile country code |
AU59274/00A AU5927400A (en) | 1999-07-12 | 2000-07-11 | Protocol utilization based on mobile country code |
JP2001519118A JP2003507983A (en) | 1999-07-12 | 2000-07-11 | Use of protocol based on mobile country code |
KR1020027000366A KR20020026944A (en) | 1999-07-12 | 2000-07-11 | Protocol utilization based on mobile country code |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US35201299A | 1999-07-12 | 1999-07-12 | |
US09/352,012 | 1999-07-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001005174A1 true WO2001005174A1 (en) | 2001-01-18 |
WO2001005174A9 WO2001005174A9 (en) | 2002-07-18 |
Family
ID=23383427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/018842 WO2001005174A1 (en) | 1999-07-12 | 2000-07-11 | Protocol utilization based on mobile country code |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP1197109A1 (en) |
JP (1) | JP2003507983A (en) |
KR (1) | KR20020026944A (en) |
CN (1) | CN1378759A (en) |
AU (1) | AU5927400A (en) |
WO (1) | WO2001005174A1 (en) |
Cited By (14)
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WO2003056851A1 (en) * | 2001-12-21 | 2003-07-10 | Huawei Technologies Co., Ltd. | A method for determining encryption algorithm of secret communication based on mobile country codes |
GB2422067A (en) * | 2005-01-06 | 2006-07-12 | Toshiba Res Europ Ltd | Distributed network discovery |
EP1681804A1 (en) * | 2005-01-14 | 2006-07-19 | Research In Motion Limited | Network selection in a multi-systems environment in a visited PLMN |
EP1740001A1 (en) * | 2005-07-01 | 2007-01-03 | Research In Motion Limited | System and method for accelerating network selection by a wireless user equipment (UE)device |
EP1907976A1 (en) * | 2005-07-25 | 2008-04-09 | Nokia Corporation | Method and device for operating a multifunctional near-field communication device supporting several data formats |
US7447502B2 (en) | 2005-01-14 | 2008-11-04 | Research In Motion Limited | Scheme for providing regulatory compliance in performing network selection in a foreign country |
EP2028888A1 (en) | 2007-07-30 | 2009-02-25 | Samsung Electronics Co., Ltd. | Apparatus and method for selecting mobile communication system in a portable terminal |
WO2010100141A1 (en) * | 2009-03-04 | 2010-09-10 | St-Ericsson (France) Sas | Method for selecting a cell of a network when a wireless communications device is turned on and corresponding wireless communications device |
JP2011518502A (en) * | 2008-04-10 | 2011-06-23 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | PLMN frequency search triggered by change of country code for mobile communication |
US8010105B2 (en) | 2006-05-19 | 2011-08-30 | Research In Motion Limited | System and method for facilitating accelerated network selection using a weighted network list |
US8060084B2 (en) | 2005-04-28 | 2011-11-15 | Research In Motion Limited | Network selection scheme using a roaming broker (RB) |
EP2169985B1 (en) * | 2008-09-26 | 2012-11-14 | Broadcom Corporation | Location based setting of parameters in a mobile terminal |
US8428584B2 (en) | 2005-07-01 | 2013-04-23 | Research In Motion Limited | System and method for accelerating network selection by a wireless user equipment (UE) device |
US8428586B2 (en) | 2006-05-19 | 2013-04-23 | Research In Motion Limited | System and method for facilitating accelerated network selection in a radio network environment |
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US7260394B2 (en) * | 2004-10-13 | 2007-08-21 | Motorola Inc. | Using an enhanced preferred roaming list in a terminal device |
US7677437B2 (en) | 2005-03-28 | 2010-03-16 | Mediatek Inc. | Methods for determining operational settings and related devices |
ATE541422T1 (en) * | 2005-07-01 | 2012-01-15 | Research In Motion Ltd | SYSTEM AND METHOD FOR MANAGING PROHIBITED NETWORK LISTS ON A WIRELESS USER DEVICE |
KR100887739B1 (en) * | 2007-04-09 | 2009-03-12 | 주식회사 케이티프리텔 | Method For Searching Adaptively the Frequency Band in the Mobile Phone Mounting the Multi-RATRadio Access Technology |
US8364145B2 (en) | 2008-01-09 | 2013-01-29 | Mediatek Inc. | Methods and devices for dynamic menu update |
CN102340845B (en) * | 2011-09-26 | 2018-01-23 | 中兴通讯股份有限公司 | A kind of network selecting method and device based on national code |
JPWO2014061663A1 (en) * | 2012-10-16 | 2016-09-05 | 京セラ株式会社 | Communication device, control method, processor, and program |
WO2016120983A1 (en) * | 2015-01-27 | 2016-08-04 | 三菱電機株式会社 | Country identification information adding device, country identification information adding method, and program |
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- 2000-07-11 KR KR1020027000366A patent/KR20020026944A/en not_active Application Discontinuation
- 2000-07-11 WO PCT/US2000/018842 patent/WO2001005174A1/en not_active Application Discontinuation
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US7362866B2 (en) | 2001-12-21 | 2008-04-22 | Huawei Technologies, Co., Ltd. | Method for determining encryption algorithm of secret communication based on mobile country codes |
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KR101226421B1 (en) | 2005-01-14 | 2013-01-24 | 리서치 인 모션 리미티드 | Scheme for providing regulatory compliance in performing network selection in a foreign country |
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US8010105B2 (en) | 2006-05-19 | 2011-08-30 | Research In Motion Limited | System and method for facilitating accelerated network selection using a weighted network list |
US8428586B2 (en) | 2006-05-19 | 2013-04-23 | Research In Motion Limited | System and method for facilitating accelerated network selection in a radio network environment |
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EP2028888A1 (en) | 2007-07-30 | 2009-02-25 | Samsung Electronics Co., Ltd. | Apparatus and method for selecting mobile communication system in a portable terminal |
JP2014147078A (en) * | 2008-04-10 | 2014-08-14 | Telefon Ab L M Ericsson | Plmn frequency search triggered by change in mobile country code |
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EP2169985B1 (en) * | 2008-09-26 | 2012-11-14 | Broadcom Corporation | Location based setting of parameters in a mobile terminal |
US9037165B2 (en) | 2008-09-26 | 2015-05-19 | Broadcom Corporation | Method and system for location based updates in a communications device |
US8706135B2 (en) | 2008-09-26 | 2014-04-22 | Broadcom Corporation | Method and system for integrating global navigation satellite system (GNSS), wireless local area network (WLAN), and cell phone technology |
WO2010100141A1 (en) * | 2009-03-04 | 2010-09-10 | St-Ericsson (France) Sas | Method for selecting a cell of a network when a wireless communications device is turned on and corresponding wireless communications device |
US8447300B2 (en) | 2009-03-04 | 2013-05-21 | St-Ericsson Sa | Method for selecting a cell of a network when a wireless communications device is turned on and corresponding wireless communications device |
FR2942933A1 (en) * | 2009-03-04 | 2010-09-10 | St Nxp Wireless France | METHOD FOR SELECTING A CELL FROM A NETWORK WHEN STARTING A WIRELESS COMMUNICATION APPARATUS AND CORRESPONDING WIRELESS COMMUNICATION APPARATUS. |
Also Published As
Publication number | Publication date |
---|---|
JP2003507983A (en) | 2003-02-25 |
WO2001005174A9 (en) | 2002-07-18 |
AU5927400A (en) | 2001-01-30 |
EP1197109A1 (en) | 2002-04-17 |
CN1378759A (en) | 2002-11-06 |
KR20020026944A (en) | 2002-04-12 |
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