CN104661280A - Novel method for controlling access within wireless mobile terminal UMA access network - Google Patents
Novel method for controlling access within wireless mobile terminal UMA access network Download PDFInfo
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- CN104661280A CN104661280A CN201310601010.6A CN201310601010A CN104661280A CN 104661280 A CN104661280 A CN 104661280A CN 201310601010 A CN201310601010 A CN 201310601010A CN 104661280 A CN104661280 A CN 104661280A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/08—Access security
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a novel method for controlling access within a wireless mobile terminal UMA access network. The novel method is also suitable for public communication operators to construct small-area wireless access systems in exhibition centers, stock exchanges and market places with frequent change of users and high business volume, or to construct a public wireless access system on a small island; according to the novel method for controlling access within wireless mobile terminal UMA access network, an analog cellular mobile communication technology, such as TACS, AMPS and other technical systems, a digital cellular mobile communication technology, such as GSM, DAMPS and IS-95CDMA, a 3G wireless transmission technology under discussion and other technical systems are utilized to construct the wireless access system, without roaming capability; such technology is suitable for high-business volume urban areas; the communication technology is accessed to the frequency modulation technology in a wireless manner.
Description
the method controlling access in novel radio mobile terminal UMA Access Network of the present invention belongs to computer application field.
Because Internet downloading flow is often beyond the transmission capacity of cellular communications network, mobile communication operator is finding a kind of public's radio access scheme, and it is main business that solution both can provide with data, also smoothly can access Internet and obtain data service.
Wireless local network (WLAN) technology can provide the band width service wider than cellular communications network, operator's system utilizes GSM infrastructure and roaming agreement, with WLAN access technology in conjunction with GSM user management and charging mechanism, make mobile subscriber at the Access Network internetwork roaming of different operator.
The authentication process of mobile phone users is: each WLAN terminal contacts each WLAN access point, obtains an IP address, send authentication application to access controller from access controller, starts network authentication.
Access controller delivers to authentication server and Home Location Register (HLR) authentication application, and verifies the data of authentication user.
The key of access control is access manager, and its control IP route also collects billing statistics data.
Radius protocol carries the authentication parameter of SIM, utilizes radius protocol to send metering data.
In authentication server, important module is authentication controller, and authentication message in its process radius protocol is also got in touch with GSM, metering data directly can be delivered to the FTP interface of various charging system.
Charging gateway receives and stores the charge information from Access Network, with GTP fee agreements and GPRS billing gateway interface.
The authentication of OWLAN system is based on SIM mechanism, access controller is as mobile terminal and authentication server interface giving mobile terminal individual subscriber identification number (PIN-Personal Identity Number), and SIM card and user identity number are all encrypted by PIN code.
Mobile terminal send its belong to access controller response NAAP message;
After receiving the IP address of access controller, mobile terminal sends authentication application to access controller, and the IMSI of access controller is encapsulated in network access identifier;
Access controller and RADIUS deliver to authentication server authentication application;
Authentication server extracts GSM associated byte from Home Location Register;
Authentication server sends RAND to mobile terminal, and on RAND, calculate the message authentication code differentiating mobile terminal;
Mobile terminal calculates message authentication code and compares with the code come from network reception.If both are inconsistent, interrupt and suspect for rogue business, refusing its authentication application.Making assailant can not extract RAND and signature response SRES (Signed Response) from IMSI, also can not extract security key from being stored in SIM card;
Mobile terminal utilizes the algorithm in SIM card to calculate SRES and message authentication code;
Mobile terminal delivers to access controller result of calculation;
Access controller sends response into authentication server;
Authentication server SRES calculates message authentication code auth response again;
Authentication server delivers to access server authenticating result code;
If authenticating result is correct, access controller sends instruction to authentication server, sets up new session;
Access controller is settled packet routing and is sent answer signal.
Authentication interrupts there is following reason: not containing IMSI in HLR, the roaming of IMSI do not supported by access operation device, authentication server does not receive and associates byte from HLR, and mobile terminal rests on non-authentication state, and access controller does not settle the route etc. of terminal IP flow.
Control the method access controller monitoring data traffic of access in novel radio mobile terminal UMA Access Network of the present invention also periodically to authentication server transmitted traffic statistical information, charging flow statistical method has following mechanism:
1. start and the termination time based on connection;
2. based on carrying data traffic;
3. based on straight speed.
Roam to external wlan network
Be different from Internet service operation, OWLAN system same facility and mechanism are supported between different Access Network and the roaming run between net.
Roaming mobile terminal links the WLAN of relevant external operator, and access controller is issued in authentication application, and access controller delivers to authentication server authentication application again;
Authentication server checking IMSI, utilizes GSM SS7 net to send authentication challenge to HLR.; Corresponding HLR associates byte with user with authentication and carries out compute authentication, until roaming mobile terminal is taken out stitches, authentication server just sends the station message recording to charging system;
Calculate the CDR that IMSI code is used for roaming mobile terminal, charging system is sent to the local charging system of roaming mobile terminal WLAN CDR and is provided bill.
User's telesecurity accesses
OWLAN system utilizes mobile subscriber in Wireless LAN access network to set up terminal and terminal, and the encryption connection between terminal with corresponding net ensures the fail safe of commercial key message.
Mobile terminal or make mobile communication terminal refer to the computer equipment that can use in movement, the saying of broad sense comprises mobile phone, notebook, POS even comprise vehicle-mounted computer.
But refer to mobile phone in most cases or there is the smart mobile phone of multiple application function.
Along with network and technology are towards the development in more and more broadband direction, Mobile Communication Industry will move towards the real mobile message epoch.
On the other hand, along with the develop rapidly of integrated circuit technique, the disposal ability of mobile terminal has had powerful disposal ability, and mobile terminal becomes an integrated information processing platform from simple call instrument.
This also adds broader development space to mobile terminal.
Modern mobile terminal has had very powerful disposal ability (CPU frequency is close to 2G), internal memory, solidification storage medium and the operating system as computer.
It is a complete superminicomputer system.
Complicated Processing tasks can be completed.
Mobile terminal also has very abundant communication mode, namely can by wireless operator Netcom news such as GSM, CDMA, WCDMA, EDGE, 3G, and also can pass through WLAN (wireless local area network), bluetooth communicates with infrared.
The mobile terminal of today not only can be conversed, take pictures, listen to the music, play games, and can realize comprising the abundant function such as location, information processing, finger scan, identity card scanning, bar code scan, RFID scanning, IC-card scanning and alcohol content detection, become the important tool of mobile law enforcement, mobile office and Mobile business.
Intercom is still integrated on mobile terminal by some mobile terminals.
(example of Multi-featured Mobile Terminal can be read referring to expansion) mobile terminal has incorporated in our economic and social life dearly, for improving the living standard of the people, improve law enforcement efficiency, improve the efficiency of management of producing, reduce resource consumption and environmental pollution and accident emergency processing and add new means.
This intelligent terminal is used in express delivery, the fields such as insurance, mobile law enforcement abroad.
Recent years, mobile terminal is also applied in mobile law enforcement and the Mobile business field of China more and more widely.
Current in global information and the communications field, the development of wireless mobile communications the most noticeable soon.
In China, only cellular mobile communication user strides across 300,000,000 high pointes already, and has become true the mobile subscriber in the whole world 1,500,000,000.
Not only number of users growth is the fastest in the world in China, and mobile subscriber is also the whole world first with the growth rate of the ratio of fixed telephone subscriber, China Mobile telephone subscriber is after exceeding landline telephone (base) user for the first time last year, nowadays accounted for 54% of telephone user number, and fixed telephone subscriber has fallen 46%.
Therefore, how to allow more information and communication terminal " movement ", meet consumers' demand whenever and wherever possible, become one of most important exercise question that we will study.
The method system combination various wireless communication technology of access is controlled in novel radio mobile terminal UMA Access Network of the present invention, it contains public LAN Access Network and adopts the key cellular mobile communications networks of IP, retain and roam and the compatibility of billing function with existing GSM/GPRS core net, GSM user authentication signaling is adopted from terminal to cellular communications network side, GSM SIM (Subscribe Identity Module) is still for the user management of WLAM, and WLAN can be used as to the OWLAN system of all-IP service transition the infrastructure being applied to all-IP business in mobile environment.
Wireless access technology RIT(radio interface technologies) wireless access technology (also claiming air interface) is the key issue of radio communication.It is referred to and user terminal and network node to be coupled together by wireless medium, to realize user and internetwork information transmission.
The signal of wireless channel transmission should follow certain agreement, and namely these agreements form the main contents of wireless access technology.
An important difference of wireless access technology and wire access technology is to provide mobile access service to user.Wireless access network refers to and partly or entirely adopts this transmission medium of radio wave to connect a kind of access technology of user and switching center.
Control the method for access in novel radio mobile terminal UMA Access Network of the present invention in communication network, the location of wireless access system: the part being LCN local communications network, be the extension of local wire net, supplement and interim emergency system.
System forms:
Authentication server
Authentication server identifies user with being stored in international mobile subscriber identifier (IMSI) code in SIM card, constantly checked whether user roaming login in WLAN business, with SS7 signaling, authentication information is delivered to HLR, run authentication, the authentication protocol of the RADIUS (Remote Authentication Dial In User Service) of confirmation and charging (AAA), gets in touch with access controller.
When user takes out stitches, authentication server prints receipt bill receiving metering data from access controller.
The method access controller of access is controlled as the gateway between wireless access network and IP kernel heart net in novel radio mobile terminal UMA Access Network of the present invention, arrange the IP address of mobile terminal, the IP address table of authentication mobile terminal is provided, monitor defeated entry/exit IP grouping address, get rid of the data of non-authentication mobile terminal.
The method authentication server controlling access in novel radio mobile terminal UMA Access Network of the present invention identifies user with being stored in international mobile subscriber identifier (IMSI) code in SIM card, constantly checked whether user roaming login in WLAN business, with SS7 signaling, authentication information is delivered to HLR, run authentication, the authentication protocol of the RADIUS (Remote Authentication Dial In User Service) of confirmation and charging (AAA), gets in touch with access controller.When user takes out stitches, authentication server prints receipt bill receiving metering data from access controller.
Access controller, as the gateway between wireless access network and IP kernel heart net, arranges the IP address of mobile terminal, provides the IP address table of authentication mobile terminal, monitor defeated entry/exit IP grouping address, gets rid of the data of non-authentication mobile terminal.
Typical wireless access system is primarily of several part composition such as controller, operation maintenance center, base station, fixed subscriber unit and mobile terminal.
What the method controller controlling access in novel radio mobile terminal UMA Access Network of the present invention was provided by it is connected with these functional entitys with the interface of operation maintenance center with switch, base station.
The major function of controller be process user calling (comprise call setup, take out stitches), base station is managed, carry out wireless channel control, base station monitors by base station and fixed subscriber unit and mobile terminal monitored and manages.
Operation maintenance center
Operation maintenance center is responsible for the operation and maintenance of whole wireless access system, its major function is managed for configuration whole system, operates: monitor and data acquisition the various piece of system in system operation process the software of each network element and various configuration data; Record is carried out and alarm to the fault occurred in system cloud gray model.In addition, can also test the performance of system.
The method base station controlling access in novel radio mobile terminal UMA Access Network of the present invention is provided by radio receiving-transmitting unit and wireless channel between fixing terminating instrument and mobile terminal, and is completed the transmission of voice call and data by wireless channel.
Controller is managed wireless channel by base station.Base station and the wave point between fixing terminating instrument and mobile terminal can use different technologies, and determine the feature of whole system, comprise used wireless frequency and certain scope of application thereof.
The method controlling access in novel radio mobile terminal UMA Access Network of the present invention fixes terminating instrument provides the user terminals such as phone, fax, data modem unit standard interface---Z interface for user.
It is connected by wave point with base station.And transmit to terminal use the business and function that switch can provide pellucidly.
Fixing terminating instrument can adopt directional antenna or non-directional antenna, adopts directional antenna directly to point to direction, base station and can improve the transmission quality of signal in wave point, increase the coverage of base station.
According to the number of the user terminal quantity that can connect; Fixing terminating instrument can be divided into Single Subscriber Unit and multi-user unit.
Single Subscriber Unit (SSU) can only connect a user terminal; Be applicable to that user density is low, situation distant between user; Multi-user unit then can support multiple user terminal, generally comparatively common are the multi-user unit of support 4,8,16 and 32 users, and multi-user unit is both economical apart from (such as a user upstairs) when very near between users.
The method mobile terminal controlling access in novel radio mobile terminal UMA Access Network of the present invention functionally can be regarded as and fixing terminating instrument and user terminal is merged the physical entity formed.
Because it possesses certain mobility, therefore support the wireless access system of mobile terminal except the function that should possess fixed wireless access system and have, also will possess the function that the cell mobile communication systemses such as certain mobile management have.If had breakthrough in price, mobile terminal more can be subject to the welcome of user and operator.
Each functional entity in the interface wireless connecting system of wireless access system is interconnected by a series of interface, and is interconnected by the interface of standard and local switch and user terminal.
In wireless access system, most important two interfaces are the interface between controller and switch and the wave point between base station and fixing terminating instrument.
In addition, the interface that wireless access system comprises also has the interface between controller and base station, the interface between controller and network management center and the interface between fixing terminating instrument and user terminal.
The method wireless access system controlling access in novel radio mobile terminal UMA Access Network of the present invention can divide following several type of skill.The method FDMA mode controlling access in novel radio mobile terminal UMA Access Network of the present invention realizes, because carrier frequency bandwidth is less than 25KHz, its user capacity is little, only can provide the low rate data communication such as Speech Communication or fax business, is applicable to user's rareness, rural area that traffic carrying capacity is low.
When ultrashort wave frequency uses in a large number, plan that special frequency resource can not be a lot of at ultrashort wave frequency band to wireless access technology.
Therefore, wireless access system can share same frequency fixing with other, under the non-interfering prerequisite of mobile radio service.
Be operated in more than 1700MHz frequency, bandwidth carrier can provide Speech Communication or the business such as two-forty, the communication of requirement picture, and it has the advantages that communication range is wide, process traffic carrying capacity is large, can meet the primary demand in city and country area.
The business such as Speech Communication or medium-rate data communication can be provided.
The system utilization such as the Personal Handyphone System of the UTStarcom of the technical systems such as the DECT in Europe, the PHS of Japan and employing PHS system are relatively more flexible, both can be used for public network wireless access system, and also can be used for private network wireless access system.Private radio connecting system in optimum interior of building or unit area.Service routine can provide some conventional service functions, and they are for User Exploitation program and use computer to provide conveniently, all belong to this type of as the diagnostic program that microcomputer often uses, debugging routine, edit routine.
Data base management system
Database refers to the data acquisition system stored according to certain contact, can be multiple Application share.Data base management system (Data Base Management System, DBMS) is then the systems soft ware can processed database, manage.Its major function be set up, eliminate, maintenance data base and various operation is carried out to data in storehouse.Database Systems are primarily of database (DB), data base management system (DBMS) and corresponding application program composition.Database Systems not only can deposit a large amount of data, the more important thing is can retrieve data rapidly, automatically, revise, add up, sort, the operation such as merging, to obtain required information.This point is that traditional file cabinet cannot be accomplished.
Database technology is a branch with fastest developing speed, most widely used in computer technology.Can say, in computer application development from now on, mostly be unable to do without database.Therefore, understand the database application of database technology especially under microcomputer environment to be very important.
Application software
The programming system designed for solving all kinds of practical problem is called application software.From the angle of its service object, common software and special-purpose software two class can be divided into again.
Application information management
Information management is based on data base management system, and Added Management person improves level of decision-making, improves the computer technology of migration efficiency.Information processing specifically comprises the collection of data, storage, processing, classification, sequence, a series of activities such as retrieval and issue.Information processing has become the main task of present age computer.It is the basis of modern management.According to statistics, the computer of more than 80% is mainly used in information management, becomes the dominant direction of computer application.Information management in extensive use and office automation, enterprises and institutions' computer-aided management and decision-making, information retrieval, claim shop, film and television animation, all trades and professions such as accounting computerization.
Computer application has penetrated into the every field of society, day by day to change the mode of traditional work, studying and living, promotes the scientific algorithm of society
Scientific algorithm is computer application the earliest, refers to and utilizes computer to complete the numerical computations problem proposed in scientific research and engineering.In modern science and technology work, the task of scientific algorithm is a large amount of with complexity.Utilize that the arithmetic speed of computer is high, the ability of the large and consecutive operations of memory capacity, the various scientific algorithm problems that manually cannot complete can be solved.Such as, engineering design, earthquake prediction, weather forecast, rocket launching etc. all need to bear the huge and amount of calculation of complexity by computer.
Process control
Process control utilizes computer real-time acquisition data, analysis data, promptly automatically adjusts to control object or automatically control by optimal value.Adopt computer to carry out process control, not only greatly can improve the automatization level of control, and the ageing of control and accuracy can be improved, thus improve working conditions, improve output and qualification rate.Therefore, computer procedures control to be widely used in the department such as machinery, metallurgy, oil, chemical industry, electric power.
Ancillary technique is applied
Computer aided technique comprises CAD, CAM and CAI.
Computer-aided design (Computer Aided Design is called for short CAD)
Computer-aided design utilizes computer system Computer Aided Design personnel to carry out engineering or product design, to realize a kind of technology of optimal design effect.Cad technique has been applied to airplane design, Ship Design, architectural design, Machine Design, large scale integrated circuit design etc.Adopt computer-aided design, can design time be shortened, increase work efficiency, save human and material resources and financial resources, the more important thing is and improve designing quality.
Computer-aided manufacture (Computer Aided Manufacturing, CAM)
Computer-aided manufacture is the machining control process utilizing computer system to carry out product, and the information of input is process route and the project content of part, and the information of output is the movement locus of cutter.By CAD and CAM Integration ofTechnology, can realize the automation that deisgn product is produced, this technology is known as computer integrated manufacturing system.Some country forms an integrated system CAD and computer-aided manufacture (Computer Aided Manufacturing), computer-aided testing (Computer Aided Test) and computer-aided engineering (Computer Aided Engineering), design, manufacture, test and management is made organically to consist of one, the automated system of height of formation, therefore creates automatic production line and " unmanned factory ".
Computer-assisted instruction (Computer Aided Instruction is called for short CAI)
Computer-assisted instruction utilizes computer system to carry out classroom instruction.Teaching courseware can with making such as PowerPoint or Flash.CAI can not only alleviate the burden of teacher, can also lively, the lifelike image of the content of courses, Dynamic demonstration principle or operating process can motivate students' interest in learning, improving the quality of teaching, providing effective ways for cultivating modernization high-quality talent.
Also the suitable exhibition center that public correspondence operation enterprise converts frequently user, traffic carrying capacity is high, securities exchange, establishment zonule, country fair wireless access system, or public's wireless access system is set up on little island.
The method controlling access in novel radio mobile terminal UMA Access Network of the present invention utilizes analog mobile cellular telecommunication technology, as the technical systems such as TACS, AMPS and digital mobile cellular telecommunication technology as GSM, DAMPS, IS-95CDMA and discussing the 3rd generation the technical system such as Radio Transmission Technology set up wireless access system, but do not possess roaming function.
This kind of technology is applicable to the urban area of heavy traffic.Mechanics of communication wireless access frequency modulation technology
Roughly be divided three classes according to the development course of mobile radio terminal:
The first kind is the mobile phone based on voice communication, namely our traditional mobile phone, main towards low-end market at present, the hardware of this kind of mobile phone is all build around a single baseband processor, this processor performs telecommunications and other simple application task, the integrated level of these hardware circuits is improving gradually at present, many chip manufacturers have released the solution of single-chip, just can become a simple mobile phone at the circuit such as the more plug-in such as antenna of this chip, keyboard, display screen and device.
Equations of The Second Kind is value-added service mobile phone, is also multi-functional mobile phone (Feature Phone), and this is the maximum mobile phone of current needs amount.These mobile phones are generally towards application-specific, a powerful baseband processor chip realizes the major function of mobile terminal, if baseband processor can not meet the functions such as such as Video processing, can support the use an application coprocessor, it is towards application-specific.
3rd class is smart mobile phone, i.e. high-end handsets, is once defined as " have operating system and support the mobile phone of third-party application ".
In this kind of mobile phone, application processor becomes the core of system, and the communication such as GSM/GPPS MODEM then becomes one of peripheral hardware realizing linkage function, also has other communications peripheral in addition, as WLAN, bluetooth, USB etc., and may provide unified expansion interface.
Smart mobile phone will adopt complicated embedded OS as Pocket PC, Smartphone, Symbian and Linux etc. usually, and for upper layer application provides unified application interface, this is the ideal tools of " mobile office ".Further, smart mobile phone has comparatively large display screen (2-2.8 inch) more, has the function of calculating and word processing aspect.
The inexorable trend that mobile radio terminal develops to intelligent terminal is by most people is in the industry approved, current Equations of The Second Kind hardware architecture is of a great variety, incompatible, each jumbo chip manufacturer constantly changes chip design, total solution based on oneself chip is correspondingly proposed, so hinder the transition of mobile radio terminal to intelligent terminal.
Therefore, we are necessary the hardware configuration of mobile radio terminal and the function of acp chip to do some unitized, intelligent terminal will take application processor as core, the unified application processor of function is conducive to the cost reducing whole hardware plan, and also can consider to provide corresponding expansion interface on circuit boards in the expansion of outside.
The method mobile terminal controlling access in novel radio mobile terminal UMA Access Network of the present invention will imagine that multiple standards (plug and play) interface that PC equally provides for end user may be unrealistic, but these interfaces mainly may be supplied to terminal manufacturer, determine what to be expanded on these interfaces by them.The standardization of hardware is undoubtedly an important step of terminal standard, is also one of most effective way reduced costs.
Claims (7)
1. control the method access controller monitoring data traffic of access in novel radio mobile terminal UMA Access Network of the present invention also periodically to authentication server transmitted traffic statistical information, charging flow statistical method has following mechanism:
Start and the termination time based on connection;
Based on carrying data traffic;
Based on straight speed;
Roam to external wlan network
Be different from Internet service operation, OWLAN system same facility and mechanism are supported between different Access Network and the roaming run between net.
2. roaming mobile terminal links the WLAN of relevant external operator, and access controller is issued in authentication application, and access controller delivers to authentication server authentication application again;
Authentication server checking IMSI, utilizes GSM SS7 net to send authentication challenge to HLR.; 3. the HLR of correspondence associates byte with user with authentication and carries out compute authentication, until roaming mobile terminal is taken out stitches, authentication server just sends the station message recording to charging system;
Calculate the CDR that IMSI code is used for roaming mobile terminal, charging system is sent to the local charging system of roaming mobile terminal WLAN CDR and is provided bill.
3. user's telesecurity access
OWLAN system utilizes mobile subscriber in Wireless LAN access network to set up terminal and terminal, and the encryption connection between terminal with corresponding net ensures the fail safe of commercial key message;
Mobile terminal or make mobile communication terminal refer to the computer equipment that can use in movement, the saying of broad sense comprises mobile phone, notebook, POS even comprise vehicle-mounted computer;
But refer to mobile phone in most cases or there is the smart mobile phone of multiple application function;
Along with network and technology are towards the development in more and more broadband direction, Mobile Communication Industry will move towards the real mobile message epoch;
On the other hand, along with the develop rapidly of integrated circuit technique, the disposal ability of mobile terminal has had powerful disposal ability, and mobile terminal becomes an integrated information processing platform from simple call instrument;
This also adds broader development space to mobile terminal;
Modern mobile terminal has had very powerful disposal ability (CPU frequency is close to 2G), internal memory, solidification storage medium and the operating system as computer;
It is a complete superminicomputer system;
Complicated Processing tasks can be completed;
Mobile terminal also has very abundant communication mode, namely can by wireless operator Netcom news such as GSM, CDMA, WCDMA, EDGE, 3G, and also can pass through WLAN (wireless local area network), bluetooth communicates with infrared;
The mobile terminal of today not only can be conversed, take pictures, listen to the music, play games, and can realize comprising the abundant function such as location, information processing, finger scan, identity card scanning, bar code scan, RFID scanning, IC-card scanning and alcohol content detection, become the important tool of mobile law enforcement, mobile office and Mobile business;
Intercom is still integrated on mobile terminal by some mobile terminals, mobile terminal has incorporated in our economic and social life dearly, for improving the living standard of the people, improve law enforcement efficiency, improve the efficiency of management of producing, reduce resource consumption and environmental pollution and accident emergency processing and add new means;
This intelligent terminal is used in express delivery, the fields such as insurance, mobile law enforcement abroad;
Recent years, mobile terminal is also applied in mobile law enforcement and the Mobile business field of China more and more widely;
Current in global information and the communications field, the development of wireless mobile communications the most noticeable soon;
In China, only cellular mobile communication user strides across 300,000,000 high pointes already, and has become true the mobile subscriber in the whole world 1,500,000,000;
Not only number of users growth is the fastest in the world in China, and mobile subscriber is also the whole world first with the growth rate of the ratio of fixed telephone subscriber, China Mobile telephone subscriber is after exceeding landline telephone (base) user for the first time last year, nowadays accounted for 54% of telephone user number, and fixed telephone subscriber has fallen 46%;
Therefore, how to allow more information and communication terminal " movement ", meet consumers' demand whenever and wherever possible, become one of most important exercise question that we will study;
The method system combination various wireless communication technology of access is controlled in novel radio mobile terminal UMA Access Network of the present invention, it contains public LAN Access Network and adopts the key cellular mobile communications networks of IP, retain and roam and the compatibility of billing function with existing GSM/GPRS core net, GSM user authentication signaling is adopted from terminal to cellular communications network side, GSM SIM (Subscribe Identity Module) is still for the user management of WLAM, and WLAN can be used as to the OWLAN system of all-IP service transition the infrastructure being applied to all-IP business in mobile environment.
4. wireless access technology RIT(radio interface technologies) wireless access technology (also claiming air interface) is the key issue of radio communication; It is referred to and user terminal and network node to be coupled together by wireless medium, to realize user and internetwork information transmission;
The signal of wireless channel transmission should follow certain agreement, and namely these agreements form the main contents of wireless access technology;
An important difference of wireless access technology and wire access technology is to provide mobile access service to user; Wireless access network refers to and partly or entirely adopts this transmission medium of radio wave to connect a kind of access technology of user and switching center;
Control the method for access in novel radio mobile terminal UMA Access Network of the present invention in communication network, the location of wireless access system: the part being LCN local communications network, be the extension of local wire net, supplement and interim emergency system;
System forms:
Authentication server
Authentication server identifies user with being stored in international mobile subscriber identifier (IMSI) code in SIM card, constantly checked whether user roaming login in WLAN business, with SS7 signaling, authentication information is delivered to HLR, run authentication, the authentication protocol of the RADIUS (Remote Authentication Dial In User Service) of confirmation and charging (AAA), gets in touch with access controller;
When user takes out stitches, authentication server prints receipt bill receiving metering data from access controller;
The method access controller of access is controlled as the gateway between wireless access network and IP kernel heart net in novel radio mobile terminal UMA Access Network of the present invention, arrange the IP address of mobile terminal, the IP address table of authentication mobile terminal is provided, monitor defeated entry/exit IP grouping address, get rid of the data of non-authentication mobile terminal;
The method authentication server controlling access in novel radio mobile terminal UMA Access Network of the present invention identifies user with being stored in international mobile subscriber identifier (IMSI) code in SIM card, constantly checked whether user roaming login in WLAN business, with SS7 signaling, authentication information is delivered to HLR, run authentication, the authentication protocol of the RADIUS (Remote Authentication Dial In User Service) of confirmation and charging (AAA), gets in touch with access controller; When user takes out stitches, authentication server prints receipt bill receiving metering data from access controller;
Access controller, as the gateway between wireless access network and IP kernel heart net, arranges the IP address of mobile terminal, provides the IP address table of authentication mobile terminal, monitor defeated entry/exit IP grouping address, gets rid of the data of non-authentication mobile terminal;
Typical wireless access system is primarily of several part composition such as controller, operation maintenance center, base station, fixed subscriber unit and mobile terminal;
What the method controller controlling access in novel radio mobile terminal UMA Access Network of the present invention was provided by it is connected with these functional entitys with the interface of operation maintenance center with switch, base station;
The major function of controller be process user calling (comprise call setup, take out stitches), base station is managed, carry out wireless channel control, base station monitors by base station and fixed subscriber unit and mobile terminal monitored and manages;
Operation maintenance center
Operation maintenance center is responsible for the operation and maintenance of whole wireless access system, its major function is managed for configuration whole system, operates: monitor and data acquisition the various piece of system in system operation process the software of each network element and various configuration data; Record is carried out and alarm to the fault occurred in system cloud gray model; In addition, can also test the performance of system;
The method base station controlling access in novel radio mobile terminal UMA Access Network of the present invention is provided by radio receiving-transmitting unit and wireless channel between fixing terminating instrument and mobile terminal, and is completed the transmission of voice call and data by wireless channel;
Controller is managed wireless channel by base station; Base station and the wave point between fixing terminating instrument and mobile terminal can use different technologies, and determine the feature of whole system, comprise used wireless frequency and certain scope of application thereof;
The method controlling access in novel radio mobile terminal UMA Access Network of the present invention fixes terminating instrument provides the user terminals such as phone, fax, data modem unit standard interface---Z interface for user;
It is connected by wave point with base station; And transmit to terminal use the business and function that switch can provide pellucidly;
Fixing terminating instrument can adopt directional antenna or non-directional antenna, adopts directional antenna directly to point to direction, base station and can improve the transmission quality of signal in wave point, increase the coverage of base station;
According to the number of the user terminal quantity that can connect; Fixing terminating instrument can be divided into Single Subscriber Unit and multi-user unit;
Single Subscriber Unit (SSU) can only connect a user terminal; Be applicable to that user density is low, situation distant between user; Multi-user unit then can support multiple user terminal, generally comparatively common are the multi-user unit of support 4,8,16 and 32 users, and multi-user unit is both economical apart from (such as a user upstairs) when very near between users.
5. the method mobile terminal controlling access in novel radio mobile terminal UMA Access Network of the present invention functionally can be regarded as and fixing terminating instrument and user terminal is merged the physical entity formed;
Because it possesses certain mobility, therefore support the wireless access system of mobile terminal except the function that should possess fixed wireless access system and have, also will possess the function that the cell mobile communication systemses such as certain mobile management have; If had breakthrough in price, mobile terminal more can be subject to the welcome of user and operator;
Each functional entity in the interface wireless connecting system of wireless access system is interconnected by a series of interface, and is interconnected by the interface of standard and local switch and user terminal;
In wireless access system, most important two interfaces are the interface between controller and switch and the wave point between base station and fixing terminating instrument;
The interface that the method wireless access system controlling access in novel radio mobile terminal UMA Access Network of the present invention comprises also has the interface between controller and base station, the interface between controller and network management center and the interface between fixing terminating instrument and user terminal.
6. the method wireless access system controlling access in novel radio mobile terminal UMA Access Network of the present invention can divide following several type of skill:
The method FDMA mode controlling access in novel radio mobile terminal UMA Access Network of the present invention realizes, because carrier frequency bandwidth is less than 25KHz, its user capacity is little, only can provide the low rate data communication such as Speech Communication or fax business, is applicable to user's rareness, rural area that traffic carrying capacity is low;
When ultrashort wave frequency uses in a large number, plan that special frequency resource can not be a lot of at ultrashort wave frequency band to wireless access technology;
Therefore, wireless access system can share same frequency fixing with other, under the non-interfering prerequisite of mobile radio service;
Be operated in more than 1700MHz frequency, bandwidth carrier can provide Speech Communication or the business such as two-forty, Image Communication, and it has the advantages that communication range is wide, process traffic carrying capacity is large, can meet the primary demand in city and country area;
The business such as Speech Communication or medium-rate data communication can be provided;
The system utilization such as the Personal Handyphone System of the UTStarcom of the technical systems such as the DECT in Europe, the PHS of Japan and employing PHS system are relatively more flexible, both can be used for public network wireless access system, and also can be used for private network wireless access system; Private radio connecting system in optimum interior of building or unit area.
7. control the method also suitable exhibition center that public correspondence operation enterprise converts frequently user, traffic carrying capacity is high, securities exchange, establishment zonule, the country fair wireless access system of access in novel radio mobile terminal UMA Access Network of the present invention, or set up public's wireless access system on little island;
The method controlling access in novel radio mobile terminal UMA Access Network of the present invention utilizes analog mobile cellular telecommunication technology, as the technical systems such as TACS, AMPS and digital mobile cellular telecommunication technology GSM, DAMPS, IS-95CDMA and discussing the 3rd generation the technical system such as Radio Transmission Technology set up wireless access system, but do not possess roaming function;
This kind of technology is applicable to the urban area of heavy traffic; Mechanics of communication wireless access frequency modulation technology
Roughly be divided three classes according to the development course of mobile radio terminal:
The first kind is the mobile phone based on voice communication, namely our traditional mobile phone, main towards low-end market at present, the hardware of this kind of mobile phone is all build around a single baseband processor, this processor performs telecommunications and other simple application task, the integrated level of these hardware circuits is improving gradually at present, many chip manufacturers have released the solution of single-chip, just can become a simple mobile phone at the circuit such as the more plug-in such as antenna of this chip, keyboard, display screen and device;
The method Equations of The Second Kind controlling access in novel radio mobile terminal UMA Access Network of the present invention is value-added service mobile phone, is also multi-functional mobile phone (Feature Phone), and this is the maximum mobile phone of current needs amount; These mobile phones are generally towards application-specific, a powerful baseband processor chip realizes the major function of mobile terminal, if baseband processor can not meet the functions such as such as Video processing, can support the use an application coprocessor, it is towards application-specific.
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| CN201310601010.6A CN104661280A (en) | 2013-11-25 | 2013-11-25 | Novel method for controlling access within wireless mobile terminal UMA access network |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114089719A (en) * | 2021-10-27 | 2022-02-25 | 卡斯柯信号有限公司 | Vehicle signal interface simulation verification method and device for TACS (train operation control System) |
| TWI800791B (en) * | 2020-08-19 | 2023-05-01 | 大陸商中國銀聯股份有限公司 | Biometric information-based authentication method, device, computer system, and computer-readable storage medium |
-
2013
- 2013-11-25 CN CN201310601010.6A patent/CN104661280A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI800791B (en) * | 2020-08-19 | 2023-05-01 | 大陸商中國銀聯股份有限公司 | Biometric information-based authentication method, device, computer system, and computer-readable storage medium |
| CN114089719A (en) * | 2021-10-27 | 2022-02-25 | 卡斯柯信号有限公司 | Vehicle signal interface simulation verification method and device for TACS (train operation control System) |
| CN114089719B (en) * | 2021-10-27 | 2024-03-29 | 卡斯柯信号有限公司 | Vehicle signal interface simulation verification method and device for TACS system |
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Application publication date: 20150527 |