CN1350408A - Radiuo urer calling control system and method in personal hand-held phone system base station - Google Patents
Radiuo urer calling control system and method in personal hand-held phone system base station Download PDFInfo
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Abstract
A radio user calling control system of base station in private handphone system includes calling control subsystem, data bank subsystem, data interface subsystem and the air signalling interface subsystem. Each subsystem can be communicated to each other with the message interface. The realization method according to the system includes application of link establishing, application and distribution of calling resource, channel distribution of handphone communication, start up and end over function of business, disconnecting the link of handphone and calling resource release and fault analysing and recovering at the time of fault occurrence. The modularization structure and fault recovering design of the system has ensured the reliability and stability of the system.
Description
The present invention relates to wireless telecommunication system, more particularly, relate to wireless user's call control system and method in personal handyphone system (PHS) base station.
Wireless access system is made up of base station controller, base station, wireless user terminal (comprising mobile phone, fixed station and Vehicle mounted station etc.), and business such as speech, data are provided by the aerial signaling between base station and the wireless user terminal.Signaling conversion, flow process control, resource management function are finished as the interface of wireless user and base station controller in the PHS base station in calling system.Adopt the STD28 signaling interface between PHS base station and the wireless user, and adopt the isdn signaling interface between the base station controller, must satisfy call functions such as incoming call, exhalation, Location Registration, and enough compatibility and recovery capability must be arranged abnormality processing.Because the PHS wireless access system is a kind of micro cellular system, the coverage of base station is smaller, number of base stations in the General System is also many, therefore to the stability requirement of base station also than higher, the calling-control method of base station just must possess the advantages of higher stability of ratio.But the flow process that existing P HS wireless user calling-control method often lays particular emphasis on system realizes and the efficient raising, to the more complete system design of stable neither one, can not guarantee the reliability and stability index of system effectively.
The purpose of this invention is to provide a kind of call control system and method for taking into account system effectiveness and reliability, so that the system of assurance has than higher reliability and stability, the stability and the reliability index of system do not produced bigger influence because of the difference of development platform.
For the purpose that realizes inventing, described PHS centralized base-station call control system comprises: aerial signaling interface subsystem, calling control subsystem, digital interface subsystem and database subsystem, carry out communication by message interface between each subsystem.
Wherein, transmit call-signaling message by the protocol modeling language message interface between described aerial signaling interface subsystem and the described calling control subsystem, by control messages interface transmitting control message;
Transmit call-signaling message by the protocol modeling language message interface between described digital interface subsystem and the described calling control subsystem, by control messages interface transmitting control message;
Between described calling control subsystem and the described database subsystem by data manipulation message interface Data transmission operation information.
The calling-control method of a kind of PHS base station that the present invention proposes mainly may further comprise the steps:
1, by the link setup request that receives mobile phone on the aerial signaling interface subsystem secondary common control physical channel;
2, the aerial signaling interface subsystem is given the calling control subsystem by the control messages interface with this link setup request;
3, call out control subsystem by the data manipulation message interface to database subsystem application call resources, and be the handset allocation communication channel by the aerial signaling interface subsystem;
4, call out control subsystem by and aerial signaling interface subsystem, digital interface subsystem between the protocol modeling language message interface respectively with mobile phone side and network side switched call signaling, finishing business function starts, and, between mobile phone side and network side, set up speech channel according to service needed;
5, call out the request winding-up function of control subsystem according to aerial signaling interface subsystem or digital interface subsystem;
6, after the service ending, the aerial signaling interface subsystem is removed the communication channel of mobile phone, calls out control subsystem by data manipulation message interface notification database subsystem call release resource;
7, as in above arbitrary step, system breaks down, and then system carries out troubleshooting, and processing finishes the back system and enters the request of idle condition latency services.
Aforesaid PHS base station calling-control method, described step 7 pair system carries out troubleshooting and comprises:
If belong to system-level malfunction, then carry out system and restart;
If belong to communication level fault, then carry out the digital interface subsystem and restart, start failure if confirm subsystem, handle according to system-level malfunction again;
Call out a level fault if belong to, then calling system is restPosed and discharge the all-calls resource, with the calling system initialization;
If belong to the resource level fault, after confirming that resource is lost, then discharge related resource, if losing of resource can't be carried out calling, again according to calling out the level troubleshooting.
Describe PHS base station radio customer call control system of the present invention and method in detail below in conjunction with drawings and Examples.
Fig. 1 is wireless user's call control system of PHS of the present invention base station.
Fig. 2 a-Fig. 2 d is respectively the internal module allocation plan of each subsystem among Fig. 1.
Fig. 3 is the fate map of wireless user's calling-control method of PHS of the present invention base station.
Fig. 4 is the concrete fate map of calling-control method of the present invention in the Location Registration business.
Fig. 1 represents wireless user's call control system of PHS of the present invention base station, concerns the constructor system configuration according to protocol layer, key-course, resource layer in whole system.
Wherein protocol layer comprises digital interface subsystem 103 and aerial signaling interface subsystem 104, realizes isdn interface agreement and STD28 agreement respectively;
Key-course comprises calls out control subsystem 101, realizes flow process control, resource management and the signaling conversion of calling system;
Resource layer comprises database subsystem 102, finishes resource management.By message interface pass-along message, Fault Control in each layer inside, has so just been guaranteed the stability of system global structure between each level.
In described system, protocol layer (being digital interface subsystem 103 and aerial signaling interface subsystem 104) is responsible for the processing of information flow, send to key-course (promptly calling out control subsystem 101) after the information translation that receives become protocol modeling language, a protocol layer processing protocol state machine and signaling encoding and decoding, and control flows concentrates on key-course processing, controlling call flow process and resource allocation.This structure had both guaranteed the standardization and the stability of system protocol layer identification code, and flexibility and the diversity to operation flow control provides support again.
Aerial signaling interface subsystem 104 also sends to call signaling and calls out control subsystem 101, send to digital interface subsystem 103 by this calling control subsystem 101 after with the message conversion form, this digital interface subsystem 103 also is responsible for the unusual flow process of control system.
The block configuration of each subsystem inside in Fig. 2 a-2d presentation graphs 1.Wherein:
Shown in Fig. 2 a, the internal configurations of calling out control subsystem 101 mainly comprises: Call Control Block 1011, realize the function that call flow control, call resources control and signaling are changed.
The internal module configuration of database subsystem 102 is shown as Fig. 2 b, mainly comprise database module 1021, a toy data base that call resources is managed is provided, administer calls progress information and call resources data, the data encapsulation operation-interface is provided, guarantees the legitimacy of data manipulation.
In Fig. 2 c, the internal configurations of data-interface subsystem 103 is:
The 3rd layer of call signaling module 1031 of ISDN provides the call signaling interface based on Q.931, wherein utilizes the extra mobile calls control signaling of facility (facility) message elements transmission; ISDN second layer data link layer module 1032 is for agreement Q.931 and X.25 provides LAPD data link layer software based on Q.921.
By the communication of isdn call signaling primitive interface, transmit the isdn call signaling between the 3rd layer of call signaling module 1031 of ISDN and the ISDN second layer data link layer module 1032.
Internal configurations in the aerial signaling interface subsystem 104 shown in Fig. 2 d comprises:
The 3rd layer of call signaling module 1041 of PHS aerial signaling realizes comprising management of process process and protocol state machine process based on the 3rd layer of the aerial signaling of STD28; PHS aerial signaling second layer data link layer module 1042 realizes comprising management of process process and protocol state machine process based on the 2nd layer of the aerial signaling of STD28; PHS aerial signaling ground floor physical layer block 1043 realizes based on the 1st layer of the aerial signaling of STD28.
Follow the 1st, 2,3 layers of layering regulation of OSI between the 3rd layer of call signaling module 1041 of PHS aerial signaling, PHS aerial signaling second layer data link layer module 1042 and the PHS aerial signaling ground floor physical layer block 1043, finish communication by PHS call signaling primitive interface at each interlayer, transmit the PHS call signaling.
What Fig. 3 described is the particular flow sheet of wireless user's calling-control method of PHS of the present invention base station.
In a normal call flow process,, and this request sent to call out control subsystem 101 at first by the link setup request that receives mobile phone on aerial signaling interface subsystem 104 secondary common control physical channels.Aerial signaling interface subsystem 104 is applied for call resources by the control messages interface to calling out control subsystem 101; Call out control subsystem 101 and apply for call resources (comprising the calling control finite state machine of calling out in the control subsystem 101) to database subsystem 102 by the data manipulation message interface; At this moment, if the control of the calling in the corresponding call control subsystem 101 finite state machine is in abort state, then the link setup request is rejected; If this state machine is in idle condition, be the handset allocation communication channel then by aerial signaling interface subsystem 104, and carry out ground floor, second layer link setup with mobile phone, if the link setup failure will be called out release, the state machine idle condition of moving into, the call release resource, if the link setup success, state machine is then by finishing work such as call setup, parameter transmission, subscription authentication fast with road subscriber channel (FA), discharge FA then, finish low speed before this with road subscriber channel (SA) link setup.Call out control subsystem 101 by and aerial signaling interface subsystem 104, digital interface subsystem 103 between the protocol modeling language message interface respectively with mobile phone side and network side switched call signaling, finishing business function (functions such as incoming call, exhalation, Location Registration, switching) starts, if desired, between mobile phone side and network side, set up speech channel.Behind the entry communication state, base station and mobile phone transmit signaling by SA, if receive the call tear down message of network side or mobile phone side, finish the call tear down flow process by the calling control finite state machine of calling out in the control subsystem 101, discharge SA, calling out control subsystem 101 simultaneously tears mobile phone open chain indication and sends to aerial signaling interface subsystem 104, by aerial signaling interface subsystem 104 communication channel of mobile phone is removed at last, the mobile phone side is sent mobile phone to aerial signaling interface subsystem 104 again and is torn the chain confirmation open.So just finished a complete flow process.
If in above flow process, the generation systems fault, then system changes people's fault recovery processing automatically, and the fault definition of system is four kinds, is respectively:
System-level malfunction refers to that the essential resource of system operation breaks down, as system core memory source lose, process data is destroyed etc., the measure of taking is to carry out system to restart;
Communication level fault refers to that the resource that system and network side are kept in touch breaks down, and as digital interface protocol interruption etc., the measure of taking is to carry out the digital interface subsystem to restart, if confirm to start failure, such fault rises to system-level malfunction and carries out;
Call out the level fault, the finger system finishes the essential resource of calling and breaks down, as aerial signaling interface subsystem fault, call out control subsystem fault etc., the measure of taking is calling system is restPosed and to discharge the all-calls resource, with the calling system initialization;
The resource level fault refers to that system resource is abnormal lose, as the losing of radio channel resource, ISDN B channel resource and data resource, call exception termination etc., after confirming that resource is lost, discharge and be correlated with, if losing of resource can't be carried out calling, such fault rises to calls out a level troubleshooting.
Fig. 4 utilizes call control system of the present invention to finish the flow chart that mobile phone location is registered this concrete service implementation example.It specifically comprises:
Aerial signaling interface subsystem 104 receives the mobile phone airlink and sets up when asking, and sends airlinks foundation request to calling out control subsystem 101; Call out control subsystem 101 to database subsystem 102 application call data districts,, send call distribution, send to mobile phone by the latter to aerial signaling interface subsystem 104 if apply for successfully; Afterwards, it is synchronous to set up communication channel between aerial signaling interface subsystem 104 and the mobile phone, and message is set up synchronously to calling out control subsystem 101 transmissions in the back synchronously; Further set up FA second layer passage between aerial signaling interface subsystem 104 and the mobile phone, set up message to calling out control subsystem 101 transmissions; Mobile phone sends location registration request by aerial signaling interface subsystem 104 to calling out control subsystem 101; Calling out under control subsystem 101 controls aerial signaling interface subsystem 104 and handset switch series of parameters; Afterwards, call out control subsystem 101 and send location registration request to network side by digital interface subsystem 103; Digital interface subsystem 103 sends authentication request and receives authentication responses to mobile phone by calling out control subsystem 101 and aerial signaling interface subsystem 104; If by authentication, reply to calling out control subsystem 101 transmission Location Registrations, send Location Registration by aerial signaling interface subsystem 104 to mobile phone and reply; Calling out control subsystem 101 control aerial signaling interface subsystems 104 removes FA second layer passage with mobile phone; Aerial signaling interface subsystem 104 is being called out the air communication channel of removing under control subsystem 101 controls with mobile phone; Call out control subsystem 101 to database subsystem 102 call release data field resources.
Wireless user's call control system and method in personal handyphone system proposed by the invention (PHS) base station, owing to adopted measures such as modularization hierarchical design, centralized control, resource static allocation, fault recovery design, make system development quality controllable, in different development environments, guarantee the reliability and stability of system to greatest extent; System configuration is clear, is convenient to safeguard; System expandability is good, is convenient to subsequent development.
Claims (10)
1, wireless user's call control system of personal handyphone system (PHS) base station, it is characterized in that: described system comprises: call out control subsystem (101), database subsystem (102), digital interface subsystem (103) and aerial signaling interface subsystem (104);
Transmit call-signaling message by the protocol modeling language message interface between described aerial signaling interface subsystem (104) and the described calling control subsystem (101), by control messages interface transmitting control message;
Transmit call-signaling message by the protocol modeling language message interface between described digital interface subsystem (103) and the described calling control subsystem (101), by control messages interface transmitting control message;
Between described calling control subsystem (101) and the described database subsystem (102) by data manipulation message interface Data transmission operation information.
2, PHS base station radio customer call control system as claimed in claim 1 is characterized in that: described calling control subsystem (101) mainly comprises the Call Control Block (1011) that is used to realize call flow control, call resources control and signaling translation function.
3, PHS base station radio customer call control system as claimed in claim 1, it is characterized in that: described database subsystem (102) mainly comprises database module (1021), this module provides a toy data base that call resources is managed, administer calls progress information and call resources data, the data encapsulation operation-interface is provided, guarantees the legitimacy of data manipulation.
4, PHS base station radio customer call control system as claimed in claim 1, it is characterized in that: the 3rd layer of call signaling module of ISDN (1031) that provides based on Q.931 call signaling interface is provided described data-interface subsystem (103), for agreement Q.931 and X.25 provides LAPD data link layer software I SDN second layer data link layer module (1032) based on Q.921, by the communication of isdn call signaling primitive interface, transmit the isdn call signaling between the two.
5, PHS base station radio customer call control system as claimed in claim 1, it is characterized in that: described aerial signaling interface subsystem (104) comprising: realize the 3rd layer of call signaling module of PHS aerial signaling (1041) based on 3 layers of the aerial signalings of STD28, realization is based on the PHS aerial signaling second layer data link layer module (1042) of the 2nd layer of the aerial signaling of STD28, realizes the PHS aerial signaling ground floor physical layer block (1043) based on the 1st layer of the aerial signaling of STD28; Follow the 1st, 2,3 layers of layering regulation of OSI between the 3rd layer of call signaling module of PHS aerial signaling (1041), PHS aerial signaling second layer data link layer module (1042) and the PHS aerial signaling ground floor physical layer block (1043), finish communication by PHS call signaling primitive interface at each interlayer, transmit the PHS call signaling.
6, the calling-control method realized of a kind of PHS base station radio customer call control system as claimed in claim 1 is characterized in that, comprising:
1) by the link setup request that receives mobile phone on aerial signaling interface subsystem (104) secondary common control physical channel;
2) aerial signaling interface subsystem (104) is given this link setup request by the control messages interface and is called out control subsystem (101);
3) call out control subsystem (101) by the data manipulation message interface to database subsystem (102) application call resources, and to pass through aerial signaling interface subsystem (104) be the handset allocation communication channel;
4) call out control subsystem (101) by and aerial signaling interface subsystem (104), digital interface subsystem (103) between the protocol modeling language message interface respectively with mobile phone side and network side switched call signaling, finishing business function starts, and, between mobile phone side and network side, set up speech channel according to service needed;
5) call out the request winding-up function of control subsystem (101) according to aerial signaling interface subsystem (104) or digital interface subsystem (103);
6) after the service ending, aerial signaling interface subsystem (104) is removed the communication channel of mobile phone, calls out control subsystem (101) by data manipulation message interface notification database subsystem (102) call release resource;
7) as in above arbitrary step, system breaks down, and then system carries out the troubleshooting step, and processing finishes the back system and enters the request of idle condition latency services.
7, calling-control method as claimed in claim 6 is characterized in that, the troubleshooting step of described step 7) is: analyze the back as be defined as system-level malfunction, then carry out system and restart.
8, calling-control method as claimed in claim 6, it is characterized in that the troubleshooting step of described step 7) is: analyze the back as be defined as communication level fault, then carry out digital interface subsystem (103) and restart, start failure if confirm subsystem, then handle according to system-level malfunction.
9, calling-control method as claimed in claim 6, it is characterized in that, the troubleshooting step of described step 7) is: analyze the back as be defined as calling out a level fault, then calling system is restPosed and discharge the all-calls resource, with the calling system initialization.
10, calling-control method as claimed in claim 6, it is characterized in that, the troubleshooting step of described step 7) is: analyze the back as be defined as the resource level fault, after confirming that resource is lost, then discharge related resource, if losing of resource can't be carried out calling, then handle according to calling out the level fault.
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| CN 00125747 CN1119048C (en) | 2000-10-20 | 2000-10-20 | Radiuo urer calling control system and method in personal hand-held phone system base station |
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| CN 00125747 CN1119048C (en) | 2000-10-20 | 2000-10-20 | Radiuo urer calling control system and method in personal hand-held phone system base station |
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| CN1350408A true CN1350408A (en) | 2002-05-22 |
| CN1119048C CN1119048C (en) | 2003-08-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100452915C (en) * | 2003-04-03 | 2009-01-14 | Ut斯达康(中国)有限公司 | Method and device for realizing automatic traffic balance function of PHS base station |
| CN101662384B (en) * | 2009-08-07 | 2011-10-26 | 中兴通讯股份有限公司 | Service control method and system |
| CN102307390A (en) * | 2002-10-01 | 2012-01-04 | 摩托罗拉公司(在特拉华州注册的公司) | Method and apparatus for managing the usage of data link resources |
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2000
- 2000-10-20 CN CN 00125747 patent/CN1119048C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102307390A (en) * | 2002-10-01 | 2012-01-04 | 摩托罗拉公司(在特拉华州注册的公司) | Method and apparatus for managing the usage of data link resources |
| CN100452915C (en) * | 2003-04-03 | 2009-01-14 | Ut斯达康(中国)有限公司 | Method and device for realizing automatic traffic balance function of PHS base station |
| CN101662384B (en) * | 2009-08-07 | 2011-10-26 | 中兴通讯股份有限公司 | Service control method and system |
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| Publication number | Publication date |
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| CN1119048C (en) | 2003-08-20 |
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