CN103997796A - Method for processing service data - Google Patents
Method for processing service data Download PDFInfo
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- CN103997796A CN103997796A CN201410230570.XA CN201410230570A CN103997796A CN 103997796 A CN103997796 A CN 103997796A CN 201410230570 A CN201410230570 A CN 201410230570A CN 103997796 A CN103997796 A CN 103997796A
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Abstract
The invention discloses a method for processing service data. The method comprises the steps that after a gateway station is in wireless connection with a calling terminal and a called terminal respectively, wireless resource information needed by direct-connection services of the calling terminal and the called terminal is determined, and a satellite operation center station is informed of the connection of building a direct-connection service interaction channel between the calling terminal and the called terminal; the wireless resource information for carrying out direct-connection service interaction is sent to the calling terminal and the called terminal; when the calling terminal and the called terminal carry out service data interaction, the service data are directly forwarded by a satellite through the built direct-connection service interaction channel, and service interaction delay can be shortened.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of business data processing method.
Background technology
The network configuration of satellite mobile communication system can be divided into user segment, and space segment and ground segment three parts form.User segment is comprised of various ICBM SHF satellite terminal; Space segment mainly refers to communication satellite, provides the signal between ICBM SHF satellite terminal and gateway station to forward; Ground segment comprises gateway station, equipment of the core network, is used for managing whole satellite mobile communication network, and interconnecting between satellite mobile communication network and other networks, and provides various types of communication business to user.
ICBM SHF satellite terminal, when idle condition, can reside in some wave beams according to the factors such as signal strength signal intensity of its position, wave beam, and monitor the system information of resident wave beam.The gateway station of managing this resident wave-wave bundle is referred to as the resident gateway station of this ICBM SHF satellite terminal.Interim when there being business, terminal accesses channel by up-downgoing and sets up the service connection with resident gateway station.
When setting up service connection between ICBM SHF satellite terminal, first calling terminal needs to connect with gateway station via satellite, gateway station connects with terminal called more via satellite, set up after the connection of calling terminal and terminal called, calling terminal and terminal called pass through following path interactive service: calling terminal-satellite-gateway station-satellite-terminal called.
Therefore while needing between ICBM SHF satellite terminal to carry out service interaction, two mutual business of ICBM SHF satellite terminal all need to enter gateway station with feeding link via satellite to be processed, and can bring larger service interaction time delay.
Summary of the invention
In view of this, the invention provides a kind of business data processing method, can shorten the service interaction time delay of terminal room.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A business data processing method, is applied in satellite mobile communication system, and described method comprises:
Gateway station and calling terminal and terminal called are all set up after wireless connections, determine that calling terminal and terminal called carry out the required wireless resource information of express traffic;
This gateway station sends to satellite operation center station by definite wireless resource information; And send and carry out the mutual wireless resource information of express traffic and make calling terminal and terminal called carry out service data interaction to calling terminal and terminal called;
When satellite operation center station receives the wireless resource information of this gateway station transmission, make satellite set up the connection of the express traffic interactive channel between calling terminal and terminal called;
This satellite reception sends to the business datum of terminal called to calling terminal, or terminal called is while sending to the business datum of calling terminal, uses calling terminal and the express traffic interactive channel between terminal called set up to forward.
In sum, the present invention is by when between calling terminal and terminal called during interactive service, gateway station is between calling terminal and terminal called, to set up special express traffic interactive channel, satellite directly carries out the forwarding of business running time-frequency resource between access link, and do not need through feeding link, thereby can shorten the service interaction time delay of terminal room.
Accompanying drawing explanation
Fig. 1 is business data processing method schematic flow sheet in the specific embodiment of the invention;
Fig. 2 is satellite mobile communication system networking schematic diagram;
Fig. 3 is link J2 in Fig. 2 and the up-downgoing time-frequency schematic diagram of J3.
Embodiment
For making object of the present invention, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, scheme of the present invention is described in further detail.
A kind of business data processing method is proposed in the embodiment of the present invention, be applied in satellite mobile communication system, when between calling terminal and terminal called during interactive service, gateway station is between calling terminal and terminal called, to set up special express traffic interactive channel, satellite directly carries out the forwarding of business running time-frequency resource between access link, and do not need through feeding link, thereby can shorten the service interaction time delay of terminal room.
Referring to Fig. 1, Fig. 1 is business data processing method schematic flow sheet in the specific embodiment of the invention.Concrete steps are:
Step 101, gateway station and calling terminal and terminal called are all set up after wireless connections, determine that calling terminal and terminal called carry out the required wireless resource information of express traffic.
Definite Radio Resource in this step, i.e. the up-downgoing running time-frequency resource using during calling terminal and terminal called direct communication via satellite.
Step 102, this gateway station sends to satellite operation center station by definite wireless resource information; And send and carry out the mutual wireless resource information of express traffic and make calling terminal and terminal called carry out service data interaction to calling terminal and terminal called.
Gateway station sends to calling terminal and terminal called that to carry out the mutual wireless resource information of express traffic be the uplink time/frequency source of terminal while sending business datum.
Step 103, when this satellite operation center station receives the wireless resource information of this gateway station transmission, makes satellite set up the connection of the express traffic interactive channel between calling terminal and terminal called.
When satellite operation center station receives the wireless resource information of gateway station transmission, according to this wireless resource information, and the straight-through forwarding that the forwarding capability of satellite determines whether to set up between calling terminal and terminal called connects, if so, to gateway station, send and can set up the straight-through response message connecting that forwards; Otherwise, to gateway station, send and can not set up the straight-through response message connecting that forwards.
If can not set up straight-through forwarding while connecting, to respond after response, gateway station, by existing implementation, carries out the service data interaction between calling terminal and terminal called.
If can set up straight-through forwarding while connecting, after gateway station response, and receive that gateway station sends set up the order that the express traffic interactive channel between calling terminal and terminal called connects time, make satellite set up the connection of the express traffic interactive channel between calling terminal and terminal called.
Step 104, this satellite reception sends to the business datum of terminal called to calling terminal, or terminal called is while sending to the business datum of calling terminal, uses calling terminal and the express traffic interactive channel between terminal called set up to forward.
If do not set up express traffic interactive channel between calling terminal and terminal called, satellite, when receiving the business datum of calling terminal transmission, is transmitted to gateway station and processes; Satellite, when receiving the business datum of terminal called transmission, is transmitted to equally gateway station and processes, and specific implementation is with existing realization.
Satellite, when receiving calling terminal or terminal called and send control signaling, is directly transmitted to gateway station and processes.
Below in conjunction with accompanying drawing, describe the straight-through forwarding that how to realize business datum in the specific embodiment of the invention in detail.
Referring to Fig. 2, Fig. 2 is satellite mobile communication system networking schematic diagram.Fig. 2 China, take ICBM SHF satellite terminal A as calling terminal, and ICBM SHF satellite terminal B is that terminal called is example, and gateway station A is the resident gateway station of ICBM SHF satellite terminal A and ICBM SHF satellite terminal B.
The first step, ICBM SHF satellite terminal A, when making a call to ICBM SHF satellite terminal B, is used the up access channel channel request of resident wave beam, and this channel request is transmitted to gateway station A via satellite.
Second step, gateway station A transmitting channel response message is to ICBM SHF satellite terminal A, and A sets up wireless connections with ICBM SHF satellite terminal.
The 3rd step, the call information in the channel request that gateway station A sends according to ICBM SHF satellite terminal A, access attaching position register (HLR) is determined ICBM SHF satellite terminal B resident wave beam at present; And send beep-page message to ICBM SHF satellite terminal B.
The present embodiment Satellite terminal A and ICBM SHF satellite terminal B, in same satellite communication system, if determine that ICBM SHF satellite terminal B is not the terminal in this satellite communication system, start the call establishment with other system terminal.
The 4th step, ICBM SHF satellite terminal B is after receiving beep-page message, to gateway station A channel request; Gateway station A transmitting channel response message is to ICBM SHF satellite terminal B, and B sets up wireless connections with ICBM SHF satellite terminal.
The 5th step, gateway station A starts express traffic and connects process of establishing, determines that ICBM SHF satellite terminal A and ICBM SHF satellite terminal B carry out the mutual required Radio Resource of express traffic.
Referring to Fig. 3, Fig. 3 is link J2 in Fig. 2 and the up-downgoing time-frequency schematic diagram of J3.Gateway station A determines that between ICBM SHF satellite terminal A and ICBM SHF satellite terminal B, carrying out the mutual required Radio Resource of express traffic is: the uplink time/frequency source of ICBM SHF satellite terminal A [f (J2, U, 1), t (J2, U, 1)], the down time-frequency resource of ICBM SHF satellite terminal B [f (J3, D, 1), t (J3, D, 1)]; The uplink time/frequency source of ICBM SHF satellite terminal B [f (J3, U, 1), t (J3, U, 2)]; The down time-frequency resource of ICBM SHF satellite terminal A [f (J2, D, 1), t (J2, D, 2)].
The 6th step, gateway station A sends straight-through Forward-reques to satellite operation center station, and in this straight-through Forward-reques, carries the mutual required Radio Resource of definite express traffic.
The 7th step, when satellite operation center station receives this straight-through Forward-reques, according to the mutual required Radio Resource of this express traffic, and the forwarding capability of satellite, the straight-through forwarding that determines whether to set up between ICBM SHF satellite terminal A and ICBM SHF satellite terminal B connects, if so, to gateway station A, send and can set up the straight-through response message connecting that forwards, carry out the 9th step; Otherwise, to gateway station A, send and can not set up the straight-through response message connecting that forwards, carry out the 8th step.
Satellite operation center, when determining whether to set up express traffic forwarding channel, is equivalent to determine whether satellite can carry out the conversion of the corresponding beam-channel of these running time-frequency resources.
The 8th step, gateway station A receives when can not setting up of satellite operation center station transmission is straight-through forwards the response message connecting, be respectively ICBM SHF satellite terminal A and ICBM SHF satellite terminal B distribution service channel, the follow-up business of ICBM SHF satellite terminal A and ICBM SHF satellite terminal B is all undertaken alternately by access link, satellite, feeding link and gateway station, with existing realization.
The 9th step, gateway station A receives when setting up of satellite operation center transmission is straight-through forwards the response message connecting, and generation is used for ICBM SHF satellite terminal A and ICBM SHF satellite terminal B carries out the mutual public keys of express traffic; And send respectively the order of express traffic interactive channel to ICBM SHF satellite terminal A and ICBM SHF satellite terminal B, in this order, carry the key signaling that generates public keys; Meanwhile, to satellite operation center station, send simultaneously and set up the order that the express traffic interactive channel of ICBM SHF satellite terminal A and ICBM SHF satellite terminal B is connected.
The tenth step, when ICBM SHF satellite terminal A receives the order of express traffic interactive channel, generates public keys storage according to the key signaling in this order; To gateway station A, send the response of express traffic interactive channel.
When ICBM SHF satellite terminal B receives the order of express traffic interactive channel, according to the key signaling in this order, generate public keys storage; To gateway station A, send the response of express traffic interactive channel.
The 11 step, satellite operation center station receives that gateway station A sends while setting up the order that the express traffic interactive channel between ICBM SHF satellite terminal A and ICBM SHF satellite terminal B connects, set up the connection of the express traffic interactive channel of ICBM SHF satellite terminal A and ICBM SHF satellite terminal B, and the response of having set up to the connection of gateway A station transmission express traffic interactive channel.
After the connection of the express traffic interactive channel of ICBM SHF satellite terminal A and ICBM SHF satellite terminal B has been set up, the service interaction of ICBM SHF satellite terminal A and ICBM SHF satellite terminal B is directly undertaken by J2 link, satellite, J3 link, and no longer passes through feeding link.
In Fig. 3, satellite directly transfers the uplink time/frequency source of ICBM SHF satellite terminal A [f (J2, U, 1), t (J2, U, 1)] to the down time-frequency resource [f (J3, D, 1), t (J3, D, 1)] of terminal B; Satellite directly transfers the uplink time/frequency source of terminal B [f (J3, U, 1), t (J3, U, 2)] to the down time-frequency resource [f (J2, D, 1), t (J2, D, 2)] of terminal A.
Wherein, if other frequency resources of JI link other and J3 link not for setting up the connection of express traffic channel, other frequency resources of other frequency resources of J2 link and J3 link are still transformed into via satellite feeding link and gateway station and carry out alternately.
Satellite is by f (J2, U, 1) and f (J3, D, 1), f (J2, D, 1) and f (J3, U, 1) when all time interval resources in frequency carry out directly conversion on satellite, still provide f (J2, U, 1) and f (K2, D, 1), f (J2, D, 1) and f (K2, U, 1), f (J3, U, 1) and f (K3, D, 1), f (J3, D, 1) and f (K3, U, 1) frequency inverted, and, gateway station A is still by f (K2, D, 1), f (K2, U, 1), f (K3, D, 1), the control signal information of f (K3, U, 1) processing terminal A, terminal B.
The 12 step, when gateway station A receives the response of ICBM SHF satellite terminal A, ICBM SHF satellite terminal B and satellite operation center station feedback, carries out the mutual wireless resource information of express traffic to ICBM SHF satellite terminal A and ICBM SHF satellite terminal B transmission.
The Radio Resource of notice ICBM SHF satellite terminal A is: uplink time/frequency source [f (J2, U, 1), t (J2, U, 1)], with crossing this ascending resource information, communicate by letter with ICBM SHF satellite terminal B; The wireless resource information of notice ICBM SHF satellite terminal B is: uplink time/frequency source [f (J3, U, 1), t (J3, U, 2)], and use this ascending resource information to communicate by letter with ICBM SHF satellite terminal A.
The 13 step, ICBM SHF satellite terminal A receives that gateway station sends while carrying out the mutual wireless resource information of express traffic, and the business datum that needs are sent is used the public-key encryption of local storage, and sends according to described wireless resource information.
The 14 step, when passing of satelline down channel receives ICBM SHF satellite terminal A and sends to the business datum of ICBM SHF satellite terminal B, determines the connection of the express traffic interactive channel between built vertical ICBM SHF satellite terminal A and ICBM SHF satellite terminal B, and business datum is directly transmitted to ICBM SHF satellite terminal B.
Satellite, when receiving the business datum of certain ICBM SHF satellite terminal transmission, if corresponding express traffic interactive channel is not set up in this locality, is transmitted to gateway station by this business datum and processes, with existing realization.
The 15 step, during business datum that ICBM SHF satellite terminal B satellite forwards, is used the public keys of local storage to be decrypted, and processes according to the content of the business datum after deciphering.
Satellite, when receiving control signal, sends to gateway station to process control signal, for the processing of control signal, with existing realization, is not described in detail here.
When satellite reception sends to the business datum of calling terminal to terminal called, by the express traffic interactive channel of setting up, be directly transmitted to calling terminal equally.
In sum, in the specific embodiment of the invention by when between calling terminal and terminal called during interactive service, gateway station is between calling terminal and terminal called, to set up special express traffic interactive channel, satellite directly carries out the forwarding of business running time-frequency resource between access link, and do not need through feeding link, thereby can shorten the service interaction time delay of terminal room.
The above, be only preferred embodiment of the present invention, is not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (7)
1. a business data processing method, is applied to, in satellite mobile communication system, it is characterized in that, described method comprises:
Gateway station and calling terminal and terminal called are all set up after wireless connections, determine that calling terminal and terminal called carry out the required wireless resource information of express traffic;
This gateway station sends to satellite operation center station by definite wireless resource information; And send and carry out the mutual wireless resource information of express traffic and make calling terminal and terminal called carry out service data interaction to calling terminal and terminal called;
When satellite operation center station receives the wireless resource information of this gateway station transmission, make satellite set up the connection of the express traffic interactive channel between calling terminal and terminal called;
This satellite reception sends to the business datum of terminal called to calling terminal, or terminal called is while sending to the business datum of calling terminal, uses calling terminal and the express traffic interactive channel between terminal called set up to forward.
2. method according to claim 1, is characterized in that, when described satellite operation center station receives the wireless resource information of this gateway station transmission, makes satellite set up the connection of the express traffic interactive channel between calling terminal and terminal called, comprising:
When satellite operation center station receives the wireless resource information of this gateway station, according to this wireless resource information, and the forwarding capability of satellite, the straight-through forwarding that determines whether to set up between calling terminal and terminal called connects, if so, to described gateway station, send and can set up the straight-through response message connecting that forwards; Otherwise, to described gateway station, send and can not set up the straight-through response message connecting that forwards;
When described gateway station receives the response message that can set up straight-through forwarding connection, to this satellite operation center station, send the order of the express traffic interactive channel connection of setting up between calling terminal and terminal called;
When this satellite operation center station receives the order of the express traffic interactive channel connection of setting up between calling terminal and terminal called, according to described wireless resource information, make satellite set up the connection of the express traffic interactive channel between calling terminal and terminal called, and the response of having set up to the connection of described gateway station transmission express traffic interactive channel.
3. method according to claim 2, is characterized in that, described method further comprises:
When described gateway station receives the response message that can not set up straight-through forwarding connection, be respectively calling terminal and terminal called distribution service channel, the follow-up business of calling terminal and terminal called is all undertaken by access link, satellite, feeding link and gateway station alternately.
4. method according to claim 2, it is characterized in that, when described gateway station receives the response message that can set up straight-through forwarding connection, described method further comprises: generate for carrying out the mutual public keys of express traffic between calling terminal and terminal called; And send respectively the order of express traffic interactive channel to calling terminal and terminal called, in this order, carry the key signaling that generates public keys;
When calling terminal and terminal called receive the order of express traffic interactive channel, according to the key signaling in this order, generate public keys storage; And send the response of express traffic interactive channel to described gateway station.
5. method according to claim 4, is characterized in that,
Described calling terminal, when the wireless resource information sending by described gateway station to terminal called sends business datum, is used the public keys of local storage to be encrypted; When the terminal called that receives described satellite forwarding sends business datum, use the public keys of local storage to be decrypted;
When the wireless resource information that described terminal called sends by described gateway station to calling terminal sends business datum, use the public keys of local storage to be encrypted; When the calling terminal that receives described satellite forwarding sends business datum, use the public keys of local storage to be decrypted.
6. method according to claim 4, is characterized in that,
Described gateway station is receiving the express traffic interactive channel response of described calling terminal and terminal called transmission, and the connection of the express traffic interactive channel that sends of the described satellite operation center station response of having set up, afterwards, gateway station is no longer processed and is carried out business datum corresponding to the mutual Radio Resource of express traffic, carries out the described step of carrying out the mutual wireless resource information of express traffic that sends to calling terminal and terminal called.
7. according to the method described in claim 1-6 any one, it is characterized in that, described method further comprises:
During control signal that described satellite reception sends to calling terminal or terminal called, be transmitted to described gateway station and process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410230570.XA CN103997796A (en) | 2014-05-28 | 2014-05-28 | Method for processing service data |
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| CN201410230570.XA CN103997796A (en) | 2014-05-28 | 2014-05-28 | Method for processing service data |
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| CN103997796A true CN103997796A (en) | 2014-08-20 |
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| CN201410230570.XA Pending CN103997796A (en) | 2014-05-28 | 2014-05-28 | Method for processing service data |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106506061A (en) * | 2016-11-08 | 2017-03-15 | 中国电子科技集团公司第七研究所 | The data transmission method of satellite communication system and system |
| CN112332898A (en) * | 2020-08-31 | 2021-02-05 | 航天科工空间工程发展有限公司 | Satellite communication method and system based on broadband store-and-forward mode |
| CN113014307A (en) * | 2021-02-23 | 2021-06-22 | 兴唐通信科技有限公司 | Data security transmission method and system suitable for satellite mobile communication terminal |
| CN115460595A (en) * | 2022-11-11 | 2022-12-09 | 北京数盾信息科技有限公司 | Data transmission method based on satellite network, central gateway station and system |
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| US7113780B2 (en) * | 1992-03-06 | 2006-09-26 | Aircell, Inc. | System for integrating an airborne wireless cellular network with terrestrial wireless cellular networks and the public switched telephone network |
| CN101790160A (en) * | 2009-01-23 | 2010-07-28 | 中兴通讯股份有限公司 | Method and device for safely consulting session key |
| CN103391130A (en) * | 2012-05-07 | 2013-11-13 | 电信科学技术研究院 | Method and devices for achieving on-board switching in satellite mobile communication system |
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| US7113780B2 (en) * | 1992-03-06 | 2006-09-26 | Aircell, Inc. | System for integrating an airborne wireless cellular network with terrestrial wireless cellular networks and the public switched telephone network |
| CN101790160A (en) * | 2009-01-23 | 2010-07-28 | 中兴通讯股份有限公司 | Method and device for safely consulting session key |
| CN103391130A (en) * | 2012-05-07 | 2013-11-13 | 电信科学技术研究院 | Method and devices for achieving on-board switching in satellite mobile communication system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506061A (en) * | 2016-11-08 | 2017-03-15 | 中国电子科技集团公司第七研究所 | The data transmission method of satellite communication system and system |
| CN112332898A (en) * | 2020-08-31 | 2021-02-05 | 航天科工空间工程发展有限公司 | Satellite communication method and system based on broadband store-and-forward mode |
| CN113014307A (en) * | 2021-02-23 | 2021-06-22 | 兴唐通信科技有限公司 | Data security transmission method and system suitable for satellite mobile communication terminal |
| CN113014307B (en) * | 2021-02-23 | 2023-02-14 | 兴唐通信科技有限公司 | Data security transmission method and system suitable for satellite mobile communication terminal |
| CN115460595A (en) * | 2022-11-11 | 2022-12-09 | 北京数盾信息科技有限公司 | Data transmission method based on satellite network, central gateway station and system |
| CN115460595B (en) * | 2022-11-11 | 2023-03-24 | 北京数盾信息科技有限公司 | Data transmission method based on satellite network, central gateway station and system |
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