CN104113370A - Satellite communication call forwarding system and method - Google Patents
Satellite communication call forwarding system and method Download PDFInfo
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- CN104113370A CN104113370A CN201410325179.8A CN201410325179A CN104113370A CN 104113370 A CN104113370 A CN 104113370A CN 201410325179 A CN201410325179 A CN 201410325179A CN 104113370 A CN104113370 A CN 104113370A
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Abstract
The invention discloses a satellite communication call forwarding system and a satellite communication call forwarding method. The system comprises a fixed station, a ground communication network, a resource scheduling server, a satellite and a mobile terminal. The method comprises the following steps: s10, the resource scheduling server acquires and records the channel terminal state of each fixed station; s20, the intelligent exchanger of the fixed station inquires the channel terminal state information in the resource scheduling server, and transfers the call with busy channel terminal state to the channel terminal with idle channel terminal state according to the channel terminal state information. The fixed station switch is reformed and upgraded to be connected and communicated with the resource scheduling server, so that the resource sharing of a satellite communication system is realized, the call forwarding of the mobile terminal is realized, and the call completing rate is greatly improved when the mobile terminal is used as a called party. The invention can be widely applied to various satellite communication systems.
Description
Technical field
The present invention relates to satellite phone field, relate in particular to a kind of satellite communication and call out transfer system, the invention still further relates to a kind of satellite communication call transferring method.
Background technology
TDMA:Time Division Multiple Access, time division multiple access.
FDMA:Frequency Division Multiple Access, frequency division multiple access.
E1: a kind of pulse code modulation standard.
Soft switch: the entity of realizing " call out and control " function of traditional stored-program control exchange.
VoIP: the i.e. networking telephone, Voice over Internet Protocol, after overcompression and package, carries out the transmission of speech sound signal with the form of data packet, popular namely Internet Protocol telephone or IP phone by the sound signal of simulation in IP network.
PSTN:Public Switched Telephone Network, PSTN.
Satellite communication system is the product of present mobile communication, and its major function is to fill up the region that existing communication (wire communication, radio communication) system cannot cover, for people's work provides more sound service.In modern communications, satellite communication is to be substituted by other communication modes, and all communication functions that existing conventional signal post provides are all applied in satellite communication.
Satellite communication system consists of mobile terminal, satellite, fixed station.At present, on market the integrated switch on the fixed station using owing to not having Ethernet to connect and scheduling of resource function, cause resource between the channel terminal of fixed station or a plurality of fixed station not share, when called channel terminal is busy, calling can not be transferred to the idle channel terminal of other fixed stations under same satellite network, and calling can not be connected in time, and the percent of call lost is high, resource can not make full use of, and to user, makes troubles.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of realize resource-sharing, flexibly realize call out shift, satellite communication that call completion ratio is high calls out transfer system.
In order to solve the problems of the technologies described above, the object of this invention is to provide a kind of realize resource-sharing, flexibly realize call out shift, satellite communication call transferring method that call completion ratio is high.
The technical solution adopted in the present invention is:
A transfer system is called out in satellite communication, and it comprises:
Fixed station, comprises a plurality ofly for the channel terminal with satellite communication, for the intelligent exchange that is connected with ground communication network and for the network control center of allocated channel, and described a plurality of channel terminals, network control center are connected with intelligent exchange respectively; Ground communication network, is connected with intelligent exchange; Resource allocation server, is connected with intelligent exchange, for memory channel assignment information and channel terminal state information; Satellite, for connecting mobile terminal and channel terminal; Mobile terminal, according to the channel allocation information of resource allocation server and channel terminal state information, is connected with the idle channel terminal of fixed station via satellite.
Preferably, the channel terminal state information in resource allocation server at least comprises idle and busy two states.
Preferably, channel terminal state information in intelligent exchange query resource dispatch server, and will to channel terminal state, be that same channel type is transferred under same satellite network in busy calling and channel terminal state is idle channel terminal according to channel terminal state information.
Preferably, it comprises a plurality of fixed stations, the intelligent exchange of described a plurality of fixed stations is connected to each other, when the channel terminal of called fixed station is when busy, it is idle channel terminal that the intelligent exchange of this fixed station transfers the call to channel terminal status indicator in another fixed station under same satellite network.
Preferably, the intelligent exchange of described a plurality of fixed stations is connected to each other by IP network, between the intelligent exchange of described a plurality of fixed stations, by soft switch, communicates by letter mutually.
Preferably, described channel terminal is connected with intelligent exchange by E1 network, and described resource allocation server is connected with intelligent exchange by IP network, and described network control center is connected with intelligent exchange by IP network.
Preferably, described ground communication network is PSTN network, and described PSTN network is connected with intelligent exchange by E1 network.
Preferably, described channel terminal is TDMA channel terminal or FDMA channel terminal.
A satellite communication call transferring method, it comprises step:
S10, each fixed station channel terminal state is obtained and recorded to resource allocation server;
S20, channel terminal state information in the intelligent exchange query resource dispatch server of fixed station, and will to channel terminal state, be that same channel type is transferred under same satellite network in busy calling and channel terminal state is idle channel terminal according to channel terminal state information.
Preferably, in described step S20, fixed station has a plurality of, the intelligent exchange of described a plurality of fixed stations is connected to each other by IP network, when the channel terminal of called fixed station is when busy, it is idle channel terminal that the intelligent exchange of this fixed station transfers the call to channel terminal status indicator in another fixed station.
The invention has the beneficial effects as follows:
A kind of satellite communication of the present invention is called out transfer system by fixed station switch is transformed and upgraded, make it be connected communication with resource allocation server, realize satellite communication system resource-sharing, realizing the calling of mobile terminal shifts, system resource is fully used, make mobile terminal when called, call completion ratio improves greatly simultaneously.
In addition, intelligent exchange has increased IP network and E1 network service, makes it possess mobile management function, makes system configuration meet the demand of scheduling of resource simply simultaneously.
Another beneficial effect of the present invention is:
The intelligent satellite communication means of a kind of IP based network of the present invention and E1 network is by setting up communication channel at calling procedure according to the channel terminal state information of resource allocation server, realize satellite communication system resource-sharing, realizing the calling of mobile terminal shifts, system resource is fully used, and mobile terminal is when called, and call completion ratio improves greatly.
The present invention can be widely used in various satellite communication systems.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the system construction drawing that transfer system is called out in a kind of satellite communication.
Embodiment
It should be noted that, in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Figure 1, transfer system is called out in a kind of satellite communication, it is characterized in that, it comprises: fixed station, comprise a plurality ofly for the channel terminal with satellite communication, for the intelligent exchange that is connected with ground communication network and for the network control center of allocated channel, described a plurality of channel terminals, network control center are connected with intelligent exchange respectively; Ground communication network, is connected with intelligent exchange; Resource allocation server, is connected with intelligent exchange, for memory channel assignment information and channel terminal state information; Satellite, for connecting mobile terminal and channel terminal; Mobile terminal, according to the channel allocation information of resource allocation server and channel terminal state information, is connected with the idle channel terminal of fixed station via satellite.Channel allocation information in resource allocation server comprises physics number, mobile terminal state, herd number, the number state information of mobile terminal; Described channel terminal state information at least comprises idle and busy two states.Channel terminal state information in intelligent exchange query resource dispatch server, and will to channel terminal state, be that same channel type is transferred under same satellite network in busy calling and channel terminal state is idle channel terminal according to channel terminal state information.Described channel terminal is connected with intelligent exchange by E1 network, and described resource allocation server is connected with intelligent exchange by IP network, and described network control center is connected with intelligent exchange by IP network.Described ground communication network is PSTN network, and described PSTN network is connected with intelligent exchange by E1 network.Described channel terminal is TDMA channel terminal or FDMA channel terminal.Obviously, the channel type of channel terminal, except TDMA channel terminal or FDMA channel terminal, can be also other channel type, all within narration scope of the present invention.
Wherein, in satellite communication system, can there be a plurality of fixed stations, each fixed station has a plurality of channel terminals, described channel terminal is connected with intelligent exchange by E1 network, described resource allocation server is connected with intelligent exchange by IP network, and described network control center is connected with intelligent exchange by IP network.Intelligent exchange is that traditional integrated switch is transformed and upgraded, and increases IP network and optimizes E1 function.
Can detect in real time and log-on message and the channel terminal state information of memory mobile terminal in resource allocation server, described registration and channel allocation information comprise the information such as mobile terminal physical number, mobile terminal state, herd number and number state information, and described channel terminal state information at least comprises idle and busy two states.Call out while occurring, intelligent exchange is received after call request, the channel allocation information in query resource dispatch server, and set up communication channel according to the content of channel allocation information.
The call request receiving from ground communication network when intelligent exchange is mobile terminal number 1, at this moment intelligent exchange is by log-on message and the channel terminal state information of IP network query resource dispatch server, according to log-on message, the number state of finding number 1 is online, but channel terminal corresponding with it on this switch all hurries, or the E1 being connected with these channel terminals is occupied, and the respective channel terminal in called place satellite network fixed station 2 and E1 state are idle.The intelligent exchange of fixed station 1 is transferred to the intelligent exchange in fixed station 2 by soft switch by this calling, is responsible for setting up communication channel will calls out called mobile terminal by the intelligent exchange of fixed station 2.Resource allocation server real-time update channel allocation information and channel terminal state information, realize resource-sharing and optimize and utilize, and can ensure that call number is effective, and then improve call completion ratio.
In addition, channel allocation information in resource allocation server and channel terminal state information also can share on intelligent exchange or network control center, intelligent exchange, by the channel allocation information on inquiry intelligent exchange or network control center, obtains called routing iinformation.But this method exists mobile terminal routing iinformation to change the problem of synchronizeing with the data of resource allocation server, general by the log-on message of mobile terminal, trigger scheduling of resource and send location update message and to Relational database, realize the renewal of information of mobile terminal and channel condition information in local data base.
A kind of satellite communication of the present invention is called out transfer system by fixed station switch is transformed and upgraded, make it by IP network, be connected communication with resource allocation server, realize satellite communication system resource-sharing, realizing the calling of mobile terminal shifts, improve earth station equipment utilance, make mobile terminal when called, call completion ratio improves greatly.In addition, intelligent exchange has increased IP network and E1 network service, makes it possess mobile management function, makes system configuration meet the demand of scheduling of resource simply simultaneously.
A satellite communication call transferring method, it comprises step:
S10, each fixed station channel terminal state is obtained and recorded to resource allocation server;
S20, the channel terminal state information in the intelligent exchange query resource dispatch server of fixed station, and will to channel terminal state, be that to transfer to channel terminal state be idle channel terminal in busy calling according to channel terminal state information;
Preferably, in described step S20, fixed station has a plurality of, the intelligent exchange of described a plurality of fixed stations is connected to each other by IP network, when the channel terminal of called fixed station is when busy, it is idle channel terminal that the intelligent exchange of this fixed station transfers the call to channel terminal status indicator in another fixed station.
Preferably, described mobile terminal channel allocation information comprises mobile terminal physical number, mobile terminal state, herd number and number state information; Channel terminal state information in resource allocation server at least comprises idle and busy two states.
Preferably, described step S20 comprises sub-step:
S21, the direct connection resource dispatch server of intelligent exchange queried channel assignment information and channel terminal state information in fixed station; Or
S32, the intelligent exchange in fixed station is by network control center connection resource dispatch server queried channel assignment information and channel terminal state information; Or
S33, the intelligent exchange in resource allocation server broadcast channel assigned information and channel terminal state information notification fixed station.
A kind of satellite communication calling transfer system of the present invention and method are by transforming and upgrade fixed station switch, make it be connected communication with resource allocation server, realize satellite communication system resource-sharing, realizing the calling of mobile terminal when called shifts, make mobile terminal when called, call completion ratio improves greatly.In addition, intelligent exchange has increased IP network and E1 network service, makes it possess mobile management function, makes system configuration meet the demand of scheduling of resource simply simultaneously.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the distortion that these are equal to or replacement are all included in the application's claim limited range.
Claims (10)
1. a transfer system is called out in satellite communication, it is characterized in that, it comprises:
Fixed station, comprises a plurality ofly for the channel terminal with satellite communication, for the intelligent exchange that is connected with ground communication network and for the network control center of allocated channel, and described a plurality of channel terminals, network control center are connected with intelligent exchange respectively;
Ground communication network, is connected with intelligent exchange;
Resource allocation server, is connected with intelligent exchange, for memory channel assignment information and channel terminal state information;
Satellite, for connecting mobile terminal and channel terminal;
Mobile terminal, according to the channel allocation information of resource allocation server and channel terminal state information, is connected with the idle channel terminal of fixed station via satellite.
2. transfer system is called out in a kind of satellite communication according to claim 1, it is characterized in that, the channel terminal state information in resource allocation server at least comprises idle and busy two states.
3. transfer system is called out in a kind of satellite communication according to claim 2, it is characterized in that, channel terminal state information in intelligent exchange query resource dispatch server, and will to channel terminal state, be that same channel type is transferred under same satellite network in busy calling and channel terminal state is idle channel terminal according to channel terminal state information.
4. transfer system is called out in a kind of satellite communication according to claim 3, it is characterized in that, it comprises a plurality of fixed stations, the intelligent exchange of described a plurality of fixed stations is by being connected to each other, when the channel terminal of called fixed station is when busy, it is idle channel terminal that the intelligent exchange of this fixed station transfers the call to channel terminal status indicator in another fixed station.
5. transfer system is called out in a kind of satellite communication according to claim 4, it is characterized in that, the intelligent exchange of described a plurality of fixed stations is connected to each other by IP network, between the intelligent exchange of described a plurality of fixed stations, by soft switch, communicates by letter mutually.
6. according to a kind of satellite communication described in claim 1 to 5 any one, call out transfer system, it is characterized in that, described channel terminal is connected with intelligent exchange by E1 network, described resource allocation server is connected with intelligent exchange by IP network, and described network control center is connected with intelligent exchange by IP network.
7. transfer system is called out in a kind of satellite communication according to claim 6, it is characterized in that, described ground communication network is PSTN network, and described PSTN network is connected with intelligent exchange by E1 network.
8. according to a kind of satellite communication described in claim 1,2,3,4,5 or 7, call out transfer system, it is characterized in that, described channel terminal is TDMA channel terminal or FDMA channel terminal.
9. a satellite communication call transferring method, is characterized in that, it comprises step:
S10, each fixed station channel terminal state is obtained and recorded to resource allocation server;
S20, channel terminal state information in the intelligent exchange query resource dispatch server of fixed station, and will to channel terminal state, be that same channel type is transferred under same satellite network in busy calling and channel terminal state is idle channel terminal according to channel terminal state information.
10. a kind of satellite communication call transferring method according to claim 9, it is characterized in that, in described step S20, fixed station has a plurality of, the intelligent exchange of described a plurality of fixed stations is connected to each other, when the channel terminal of called fixed station is when busy, it is idle channel terminal that the intelligent exchange of this fixed station transfers the call to channel terminal status indicator in another fixed station.
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| CN106385275A (en) * | 2015-07-20 | 2017-02-08 | 波音公司 | A communication system and a method used for communication |
| CN115001569A (en) * | 2022-08-03 | 2022-09-02 | 成都星联芯通科技有限公司 | Satellite communication system, satellite communication terminal management method, device and storage medium |
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