CN109495158A - A kind of system and method improving satellite communication rate - Google Patents
A kind of system and method improving satellite communication rate Download PDFInfo
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- CN109495158A CN109495158A CN201811388088.3A CN201811388088A CN109495158A CN 109495158 A CN109495158 A CN 109495158A CN 201811388088 A CN201811388088 A CN 201811388088A CN 109495158 A CN109495158 A CN 109495158A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/12—Avoiding congestion; Recovering from congestion
- H04L47/125—Avoiding congestion; Recovering from congestion by balancing the load, e.g. traffic engineering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/78—Architectures of resource allocation
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Abstract
The invention discloses the system for improving satellite communication rate, first, which promotes service processor and second, promotes service processor；Described first promotes service processor data connection between client traffic end and the receiving end of satellite channel equipment, and the quantity of the satellite channel equipment is N number of, N >=2；The transmitting terminal of the satellite channel equipment and the telecommunication satellite that sky on the ground is arranged are wirelessly connected, and the telecommunication satellite is also connected with one end of satellite gateway station；The other end of the satellite gateway station and second promotes service processor connection, and the second promotion service processor is also connected with internet device；Service processor and second is promoted by first in this way and promotes business processing machine testing available channel and its quality, distributes different satellite channels for upper and lower business data packet, reaches load balancing, the function that channel information rate is promoted.
Description
Technical field
The present invention relates to technical field of satellite communication, and in particular to the system and method for improving satellite communication rate.
Background technique
" day communication satellite communication system " is the satellite system of China's independent development construction, and day leads to No.1 satellite in 2016 8
Month transmitting, in June, 2018, civilian China Telecom, operator formally distributed telephone numbers commercialization.The satellite communication system provides 2.4~384 K words
The information rate and support speech, short message service of (kbps, a kind of unit for assessing message transmission rate) per second.Due to Tian Tongwei
Star is communicated using narrow band communication mode, and information rate is limited.In addition, unidirectionally believing in satellite communication field as day leads to satellite
Number delay time is about 200 milliseconds, and TCP (Transmission Control Protocol transmission control protocol) is used to carry out
Time delay caused by data transmission interaction is longer, channel utilization is not high, and (between Internet Protocol network mutually because of IP
Agreement even) need to occupy certain channel capacity using heading, making channel, natively hard up satellite communication system is held
It measures more inefficient.Some such as HD video transmission, big data information collection need the application of high information rate that can not pass through day
Logical satellite mobile communication system meet demand.
Existing raising information rate method and its advantage and disadvantage are as follows:
A kind of patent name: system of wireless multilink aggregated bandwidth；Application number: CN201611225550.9.Its disclosure
Multiple link datas are imported into service server by multiple virtual LAN.But the method can only be answered for single
With information rate superposition is carried out, the polymerization for being unable to satisfy all-network application is used, and in addition virtual local area network technology is at present by state
Family's control uses approval process complexity.
Patent name: a kind of wireless networking system and method for bandwidth superposition, application number: CN201210101917.1.Its
It discloses and regroups after data are assigned to multiple network interface cards, but this method is only applicable to the equipment with network interface card.
Patent name: a kind of Wireless Internet access method, device and system, application number: CN200910241339.X, this method is only
File is split, and a channel must be used to carry out informing how opposite end service splits, channel service efficiency is not high.
To sum up, be badly in need of in industry it is a kind of can overcome method above-mentioned insufficient and that satellite communication information rate can be improved or
Device.
Summary of the invention
The purpose of the invention is to overcome above the shortcomings of the prior art, provides and improve satellite communication rate
System.
It is another object of the present invention to provide and improve satellite communication speed to overcome above the shortcomings of the prior art
The method of rate.
The purpose of the present invention is realized by the following technical solution:
A kind of system improving satellite communication rate, comprising: first, which promotes service processor and second, promotes business processing
Machine；Described first promotes service processor data connection between client traffic end and the receiving end of satellite channel equipment, described
The quantity of satellite channel equipment is N number of, N >=2；The transmitting terminal of the satellite channel equipment and the communication that sky on the ground is arranged are defended
Star is wirelessly connected, and the telecommunication satellite is also connected with one end of satellite gateway station；The other end of the satellite gateway station and second
Service processor connection is promoted, the second promotion service processor is also connected with internet device；Described first promotes business
IP traffic is processed into uplink business data packet, is by processor for receiving the upstream IP data stream of client traffic end transmission
Each uplink business data packet distributes transmission channel, and uplink business data packet is sent to satellite according to the transmission channel of distribution
Radio equipment；Described second promotes service processor, the downstream IP data for sending internet device to client traffic end
Stream process distributes transmission channel at downlink service data packet, for each downlink service data packet, and downlink service data packet is sent out
It send to satellite gateway station.
Preferably, the first promotion service processor includes: the first promotion service interaction processing unit, uplink TCP association
Discuss data packet accelerator module, upstream IP data packet voice head compression unit, upstream data segmentation numbered cell, downlink data synthesis
Unit and downstream IP data reduction unit；The input terminal and client traffic end number of the uplink Transmission Control Protocol data packet accelerator module
According to connection, the output end of the uplink Transmission Control Protocol data packet accelerator module and upstream IP data packet voice head compression unit it is defeated
Enter end connection, the input terminal of output end and upstream data the segmentation numbered cell of the upstream IP data packet voice head compression unit
The first port of connection, the output end of the upstream data segmentation numbered cell and the first promotion service interaction processing unit connects
It connects, the second port of the first promotion service interaction processing unit is connected with the input terminal of downlink data synthesis unit, described
The output end of downlink data synthesis unit is connected with the input terminal of downstream IP data reduction unit, and the downstream IP data reduction is single
The output end of member is connected with client traffic end, and the third port and satellite channel of the first promotion service interaction processing unit are set
Standby connection.
Preferably, the second promotion service processor includes: the second promotion service interaction processing unit, downlink TCP association
Discuss data packet accelerator module, downstream IP data packet voice head compression unit, downlink data segmentation numbered cell, upstream data synthesis
Unit and upstream IP data reduction unit；Described second promotes the first end of service interaction processing unit and satellite gateway station company
Connect, it is described second promotion service interaction processing unit second end connected with the input terminal of upstream data synthesis unit, it is described on
The output end of row data synthesis unit is connected with the input terminal of upstream IP data reduction unit, the upstream IP data reduction unit
Output end be connected to internet device；The input terminal of the downlink Transmission Control Protocol data packet accelerator module is connected to internet and sets
It is standby, the output end of the downlink Transmission Control Protocol data packet accelerator module and the input terminal of downstream IP data packet voice head compression unit
The input terminal of connection, output end and downlink data the segmentation numbered cell of the downstream IP data packet voice head compression unit connects
It connects, the third end connection of the output end of the downlink data segmentation numbered cell and the second promotion service interaction processing unit.
Another object of the present invention is realized by the following technical solution:
A method of improving satellite communication rate characterized by comprising first, which promotes service processor, receives client
The upstream IP data stream that business end is sent, and upstream IP data stream is sent to satellite channel according to the transmission channel of distribution and is set
It is standby；Second promotion service processor receives the downstream IP data stream that internet device is sent to client traffic end, is each downlink
Business data packet distributes transmission channel, and downlink service data packet is sent to satellite gateway station.
Preferably, described first the upstream IP data stream that service processor receives the transmission of client traffic end is promoted, and will be upper
Row IP traffic is sent to satellite channel equipment according to the transmission channel of distribution
Uplink Transmission Control Protocol data packet accelerator module receives the upstream IP data stream from client traffic end, and described in judgement
Whether upstream IP data stream is Transmission Control Protocol data packet；
If so, the upstream IP data stream is carried out TCP acceleration by uplink Transmission Control Protocol data packet accelerator module, and will add
Upstream IP data stream after speed is sent to upstream IP data packet voice head compression unit；
Upstream IP data packet voice head compression unit is by the heading of the upstream IP data stream after acceleration according to default uplink
Data message head reduced rule is compressed, and compressed upstream IP data stream is sent to upstream data segmentation List of Documents
Member；
Upstream data segmentation numbered cell handles compressed upstream IP data stream according to preset data length
The first promotion service interaction processing unit is sent at uplink business data packet, and by uplink business data packet；
First promotes the quantity of service interaction processing unit detection available communication channel, for each uplink business data packet point
Satellite channel equipment is sent to according to the transmission channel of distribution with transmission channel, and by uplink business data packet.
Preferably, the method for improving satellite communication rate further include:
Uplink business data packet is sent to the second promotion service interaction processing unit by satellite gateway station；
Uplink business data packet is sent to upstream data synthesis unit by the second promotion service interaction processing unit；
Upstream data synthesis unit becomes uplink business data inclusion according to preset numbers rule to be compressed by heading
Uplink IP operation data flow, and uplink IP operation data flow is sent to upstream IP data reduction unit；
Upstream IP data reduction unit by uplink IP operation data flow according to default uplink data messages head reduced rule also
Original goes upward to internet device and completes information exchange at upstream IP data stream.
Preferably, the upstream data segmentation numbered cell is long according to preset data by compressed upstream IP data stream
Degree carries out being processed into uplink business data packet
Compressed upstream IP data stream is split by upstream data segmentation numbered cell according to preset data length；
Upstream data divides numbered cell and the upstream IP data after segmentation is flowed into row number packing, obtains assisting using UDP
The uplink business data packet of view.
Preferably, the second promotion service processor receives the downstream IP number that internet device is sent to client traffic end
According to stream, transmission channel is distributed for each downlink service data packet, and downlink service data packet is sent to satellite gateway station and includes:
Downlink Transmission Control Protocol data packet accelerator module receives the downstream IP data stream that internet device is sent, and judges whether
For Transmission Control Protocol data packet；
If so, downlink Transmission Control Protocol data packet accelerator module carries out TCP acceleration to downstream IP data stream, and will be after acceleration
Downstream IP data stream is sent to downstream IP data packet voice head compression unit；
Downstream IP data packet voice head compression unit compresses the heading of downstream IP data stream, and will be compressed
Downstream IP data stream is sent to downlink data segmentation numbered cell；
Downlink data segmentation numbered cell handles compressed downstream IP data stream according to preset data length
The second promotion service interaction processing unit is sent at downlink service data packet, and by downlink service data packet；
Second promotes the quantity of service interaction processing unit detection available communication channel, for each downlink service data packet point
Satellite gateway station is sent to transmission channel, and by downlink service data packet.
Preferably, the method for improving satellite communication rate further include:
First, which promotes service interaction processing unit, receives downlink service data packet, and downlink service data packet is sent to down
Row data synthesis unit；
Downlink service data packet is to compress by heading according to preset numbers ruled synthesis by downlink data synthesis unit
Downstream IP business data flow, and it is single that the compressed downstream IP business data flow of heading is sent to downstream IP data reduction
Member；
Downstream IP data reduction unit is by the compressed downstream IP business data flow of heading according to default downlink data report
Literary head reduced rule is reduced into downstream IP data stream, and is issued to client traffic end.
The present invention has the advantage that compared with the existing technology
When client sends upstream IP data stream to satellite communication, described first promotes service processor for IP traffic weight
It newly is packaged into business data packet, detects available communication channel, and is on each according to the communication performance of the satellite channel of detection
Industry business allocation of packets transmission channel, when internet device sends downstream IP data stream to client traffic end, described second
Service processor is promoted by downstream IP data stream process into downlink service data packet, detects available communication channel, under each
Industry business allocation of packets transmission channel, and inform quantity, the performance for the communication channel that first promotes service processor distribution, and
Downlink service data packet is sent to satellite gateway station.Service processor and second, which is promoted, by first in this way promotes business processing
Machine testing available channel and its quality distribute different satellite channels for upper and lower business data packet, reach load balancing, channel information
The function that rate is promoted.While promoting information rate, also solve information rate promotion need using vpn tunneling communicate,
Just for the long problem of single application or inefficient and Transmission Control Protocol data delay interaction time.
Detailed description of the invention
Fig. 1 is the schematic diagram of the system of raising satellite communication rate of the invention.
Fig. 2 is the structural block diagram of the first promotion service processor of the invention.
Fig. 3 is the first structure block diagram of the second promotion service processor of the invention.
Fig. 4 is the second structural block diagram of the first promotion service processor of the invention.
Fig. 5 is the flow chart of the processing upstream IP data stream of the first promotion service processor of the invention.
Fig. 6 is the flow chart of the processing downstream IP data stream of the second promotion service processor of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Referring to Fig. 1, a kind of system for improving satellite communication rate, comprising: first, which promotes service processor and second, is promoted
Service processor；Described first promoted service processor data connection client traffic end and the receiving end of satellite channel equipment it
Between, the quantity of the satellite channel equipment is N number of, N >=2；The transmitting terminal of the satellite channel equipment and setting are empty on the ground
Telecommunication satellite be wirelessly connected, the telecommunication satellite also connects with one end of satellite gateway station；The satellite gateway station it is another
End is connected with the second promotion service processor, and the second promotion service processor is also connected with internet device；Described first
Service processor is promoted, for receiving the upstream IP data stream of client traffic end transmission, IP traffic is processed into uplink service
Data packet distributes transmission channel for each uplink business data packet, and by uplink business data packet according to the transmission channel of distribution
It is sent to satellite channel equipment；Described second promotes service processor, for send internet device to client traffic end
Downstream IP data stream process distributes transmission channel at downlink service data packet, for each downlink service data packet, and by lower industry
Business data packet is sent to satellite gateway station.
Referring to fig. 2, the first promotion service processor includes: the first promotion service interaction processing unit, uplink TCP association
Discuss data packet accelerator module, upstream IP data packet voice head compression unit, upstream data segmentation numbered cell, downlink data synthesis
Unit and downstream IP data reduction unit；The input terminal and client traffic end number of the uplink Transmission Control Protocol data packet accelerator module
According to connection, the output end of the uplink Transmission Control Protocol data packet accelerator module and upstream IP data packet voice head compression unit it is defeated
Enter end connection, the input terminal of output end and upstream data the segmentation numbered cell of the upstream IP data packet voice head compression unit
The first port of connection, the output end of the upstream data segmentation numbered cell and the first promotion service interaction processing unit connects
It connects, the second port of the first promotion service interaction processing unit is connected with the input terminal of downlink data synthesis unit, described
The output end of downlink data synthesis unit is connected with the input terminal of downstream IP data reduction unit, and the downstream IP data reduction is single
The output end of member is connected with client traffic end, and the third port and satellite channel of the first promotion service interaction processing unit are set
Standby connection.
Referring to Fig. 3, the second promotion service processor includes: the second promotion service interaction processing unit, downlink TCP association
Discuss data packet accelerator module, downstream IP data packet voice head compression unit, downlink data segmentation numbered cell, upstream data synthesis
Unit and upstream IP data reduction unit；Described second promotes the first end of service interaction processing unit and satellite gateway station company
Connect, it is described second promotion service interaction processing unit second end connected with the input terminal of upstream data synthesis unit, it is described on
The output end of row data synthesis unit is connected with the input terminal of upstream IP data reduction unit, the upstream IP data reduction unit
Output end be connected to internet device；The input terminal of the downlink Transmission Control Protocol data packet accelerator module is connected to internet and sets
It is standby, the output end of the downlink Transmission Control Protocol data packet accelerator module and the input terminal of downstream IP data packet voice head compression unit
The input terminal of connection, output end and downlink data the segmentation numbered cell of the downstream IP data packet voice head compression unit connects
It connects, the third end connection of the output end of the downlink data segmentation numbered cell and the second promotion service interaction processing unit.
Shown in Fig. 3, direct satellite gateway station is accessed in second one end for promoting service processor, i.e., single gateway station inlet and outlet
It is directly connected to the second promotion business processing server below.Application is just for single satellite multichannel business in this way.Second mentions
The other end for rising service processor accesses internet device.As shown in figure 4, one end of the second promotion service processor passes through interconnection
Net is interacted with satellite gateway station, is not limited to single satellite gateway station here, and satellite gateway station can be one or more.It is described
Internet can all available networks, including cable network, wireless network.WIFI can also be with.Interconnecting on-line apparatus can be road
By device, it is not specifically limited herein.Client traffic end refers to the software that needs are surfed the Internet.Such as QQ, web browser.
The method for the raising satellite communication rate that the system of above-mentioned raising satellite communication rate uses, comprising: first is promoted
Service processor receives the upstream IP data stream that client traffic end is sent, and by upstream IP data stream according to the transmission channel of distribution
It is sent to satellite channel equipment；Second promotion service processor receives the downstream IP number that internet device is sent to client traffic end
According to stream, transmission channel is distributed for each downlink service data packet, and downlink service data packet is sent to satellite gateway station.
Wherein, referring to Fig. 5, described first, which promotes service processor, receives the upstream IP data stream that client traffic end is sent,
And upstream IP data stream is sent to satellite channel equipment according to the transmission channel of distribution and includes:
S11, uplink Transmission Control Protocol data packet accelerator module receives the upstream IP data stream from client traffic end, and judges
Whether the upstream IP data stream is Transmission Control Protocol data packet；If it is not, upstream IP data stream is directly then sent to upstream IP data
Packet voice head compression unit；
S12, if so, the upstream IP data stream is carried out TCP acceleration by uplink Transmission Control Protocol data packet accelerator module, and
Upstream IP data stream after acceleration is sent to upstream IP data packet voice head compression unit；
S13, upstream IP data packet voice head compression unit is by the heading of the upstream IP data stream after acceleration according to default
Uplink data messages head reduced rule is compressed, and compressed upstream IP data stream is sent to upstream data segmentation number
Unit；
S14, upstream data divide numbered cell and carry out compressed upstream IP data stream according to preset data length
It is processed into uplink business data packet, and uplink business data packet is sent to the first promotion service interaction processing unit；
S15, it is each uplink business data that first, which promotes the quantity of service interaction processing unit detection available communication channel,
Packet distribution transmission channel, and uplink business data packet is sent to satellite channel equipment according to the transmission channel of distribution.Later, right
Uplink business data is sent to telecommunication satellite by the satellite channel equipment answered, i.e., uplink business data along distribution transmission channel
It is transmitted to telecommunication satellite.
Uplink business data packet is sent to by satellite channel equipment is arranged telecommunication satellite empty on the ground；Telecommunication satellite will
Uplink business data packet sends satellite gateway station；Later, it is transmitted to internet device through the second promotion service processor, it is specific
Steps are as follows: uplink business data packet is sent to the second promotion service interaction processing unit by satellite gateway station；Second promotes industry
Uplink business data packet is sent to upstream data synthesis unit by business interaction process unit；Upstream data synthesis unit is according to default
Uplink business data inclusion is become the uplink IP operation data flow by heading compression by coding rule, and by uplink IP operation
Data flow is sent to upstream IP data reduction unit；Upstream IP data reduction unit is by uplink IP operation data flow according on default
Row data heading reduced rule is reduced into upstream IP data stream, and goes upward to internet device and complete information exchange.
In the present embodiment, the upstream data segmentation numbered cell is by compressed upstream IP data stream according to preset number
It carries out being processed into uplink business data packet including: that upstream data divides numbered cell for compressed upstream IP data stream according to length
It is split according to preset data length；Upstream data divides numbered cell and the upstream IP data after segmentation is flowed into row number
It is packaged, obtains the uplink business data packet using udp protocol.
Wherein, referring to Fig. 6, under the second promotion service processor reception internet device is sent to client traffic end
Row IP traffic distributes transmission channel for each downlink service data packet, and downlink service data packet is sent to satellite gateway
Station includes:
S21, downlink Transmission Control Protocol data packet accelerator module receives the downstream IP data stream that internet device is sent, and judges
It whether is Transmission Control Protocol data packet；If it is not, it is single that upstream IP data stream is directly then sent to the compression of upstream IP data packet voice head
Member；
S22 if so, downlink Transmission Control Protocol data packet accelerator module carries out TCP acceleration to downstream IP data stream, and will accelerate
Downstream IP data stream afterwards is sent to downstream IP data packet voice head compression unit；
S23, downstream IP data packet voice head compression unit compress the heading of downstream IP data stream, and will compression
Downstream IP data stream afterwards is sent to downlink data segmentation numbered cell；
S24, downlink data divide numbered cell and carry out compressed downstream IP data stream according to preset data length
It is processed into downlink service data packet, and downlink service data packet is sent to the second promotion service interaction processing unit；
S25, it is each downlink service data that second, which promotes the quantity of service interaction processing unit detection available communication channel,
Packet distribution transmission channel, and downlink service data packet is sent to satellite gateway station.
Downlink service data packet is sent to communications satellite by satellite gateway station, and telecommunication satellite promotes service interaction according to second
Processing unit is that downlink service data packet is sent to satellite channel equipment, satellite by the channel of each downlink service data packet distribution
Downlink service data packet is sent to the second promotion service processor by radio equipment, and second promotes service processor for downlink business
Data packet is sent to client traffic end.Wherein downlink service data packet is sent to client traffic end by the second promotion service processor
Specific steps include: that the first promotion service interaction processing unit receives downlink service data packet, and by downlink service data packet
It is sent to downlink data synthesis unit；Downlink service data packet is by downlink data synthesis unit according to preset numbers ruled synthesis
By the downstream IP business data flow that heading compresses, and the compressed downstream IP business data flow of heading is sent to downlink
IP data convert unit；Downstream IP data reduction unit is by the compressed downstream IP business data flow of heading according to default downlink
Data message head reduced rule is reduced into downstream IP data stream, and is issued to client traffic end.
The solution of the present invention is equivalent to the prior art, and there are following advantages:
When client sends upstream IP data stream to satellite communication, described first promotes service processor for IP traffic weight
It newly is packaged into business data packet, detects available communication channel, and is on each according to the communication performance of the satellite channel of detection
Industry business allocation of packets transmission channel, and uplink business data packet is sent to corresponding satellite according to the transmission channel of distribution
Uplink business data packet is sent to telecommunication satellite according to the transmission channel of distribution by radio equipment, satellite channel equipment.Work as interconnection
When net equipment sends downstream IP data stream to client traffic end, described second promotes service processor for downstream IP data stream process
At downlink service data packet, available communication channel is detected, distributes transmission channel for each downlink service data packet, and inform the
One promotes quantity, the performance of the communication channel of service processor distribution, and downlink service data packet is sent to satellite gateway station.
When downlink service data packet reaches telecommunication satellite, the transmission channel that telecommunication satellite promotes service processor distribution according to second will
Downlink service data packet is sent to satellite channel equipment, and downlink service data is sent to first and mentioned by corresponding satellite channel equipment
Service processor is risen, service processor and second is promoted by first in this way and promotes business processing machine testing available channel and its matter
Amount distributes different satellite channels for upper and lower business data packet, reaches load balancing, the function that channel information rate is promoted.It is mentioning
While rising information rate, also solve information rate promotion need to communicate using vpn tunneling, just for single application or
The long problem of inefficient and Transmission Control Protocol data delay interaction time.
In addition, the first promotion service processor includes downlink Transmission Control Protocol data packet accelerator module, downstream IP data packet voice
Head compression unit carries out TCP acceleration, the compression of IP packet head to upstream IP data stream respectively, so that needing the IP traffic of uplink
Volume reduces.Second promotion service processor includes downlink Transmission Control Protocol data packet accelerator module, downstream IP data packet voice head pressure
Contracting unit carries out TCP acceleration, the compression of IP packet head to downstream IP data stream respectively, subtracts the IP traffic volume for needing downlink
It is small, traffic rate can be also improved in this way.
Above-mentioned specific embodiment is the preferred embodiment of the present invention, can not be limited the invention, and others are appointed
The change or other equivalent substitute modes what is made without departing from technical solution of the present invention, are included in protection of the invention
Within the scope of.
Claims (9)
1. a kind of system for improving satellite communication rate characterized by comprising first, which promotes service processor and second, is promoted
Service processor；
Described first promotes service processor data connection between client traffic end and the receiving end of satellite channel equipment, described
The quantity of satellite channel equipment is N number of, N >=2；The transmitting terminal of the satellite channel equipment and the communication that sky on the ground is arranged are defended
Star is wirelessly connected, and the telecommunication satellite is also connected with one end of satellite gateway station；The other end of the satellite gateway station and second
Service processor connection is promoted, the second promotion service processor is also connected with internet device；
Described first promotes service processor, for receiving the upstream IP data stream of client traffic end transmission, at IP traffic
Manage into uplink business data packet, for each uplink business data packet distribute transmission channel, and by uplink business data packet according to point
The transmission channel matched is sent to satellite channel equipment；
Described second promotes service processor, the downstream IP data stream process for sending internet device to client traffic end
At downlink service data packet, transmission channel is distributed for each downlink service data packet, and downlink service data packet is sent to and is defended
Star gateway station.
2. the system according to claim 1 for improving satellite communication rate, which is characterized in that described first is promoted at business
Reason machine includes: the first promotion service interaction processing unit, uplink Transmission Control Protocol data packet accelerator module, upstream IP data packet voice
Head compression unit, upstream data segmentation numbered cell, downlink data synthesis unit and downstream IP data reduction unit；
The input terminal of the uplink Transmission Control Protocol data packet accelerator module is connected with client traffic end data, the uplink Transmission Control Protocol
The output end of data packet accelerator module is connected with the input terminal of upstream IP data packet voice head compression unit, the upstream IP data
The output end of packet voice head compression unit is connected with the input terminal of upstream data segmentation numbered cell, and the upstream data segmentation is compiled
The output end of number unit and first promote service interaction processing unit first port connection, described first is promoted at service interaction
Reason unit second port connect with the input terminal of downlink data synthesis unit, the output end of the downlink data synthesis unit with
The input terminal of downstream IP data reduction unit connects, and the output end of the downstream IP data reduction unit and client traffic end connect
It connects, the third port of the first promotion service interaction processing unit is connected with satellite channel equipment.
3. the system according to claim 1 for improving satellite communication rate, which is characterized in that described second is promoted at business
Reason machine includes: the second promotion service interaction processing unit, downlink Transmission Control Protocol data packet accelerator module, downstream IP data packet voice
Head compression unit, downlink data segmentation numbered cell, upstream data synthesis unit and upstream IP data reduction unit；
The first end of the second promotion service interaction processing unit is connected with satellite gateway station, and described second promotes service interaction
The second end of processing unit is connected with the input terminal of upstream data synthesis unit, the output end of the upstream data synthesis unit and
The input terminal of upstream IP data reduction unit connects, and the output end of the upstream IP data reduction unit is connected to internet and sets
It is standby；
The input terminal of the downlink Transmission Control Protocol data packet accelerator module is connected to internet device, the downlink Transmission Control Protocol data
The output end of packet accelerator module is connected with the input terminal of downstream IP data packet voice head compression unit, the downstream IP data packet report
The output end of literary head compression unit is connected with the input terminal of downlink data segmentation numbered cell, and the downlink data divides List of Documents
The third end connection of the output end of member and the second promotion service interaction processing unit.
4. a kind of method for improving satellite communication rate characterized by comprising
First promoted service processor receive client traffic end send upstream IP data stream, and by upstream IP data stream according to point
The transmission channel matched is sent to satellite channel equipment；
Second promotion service processor receives the downstream IP data stream that internet device is sent to client traffic end, is each downlink
Business data packet distributes transmission channel, and downlink service data packet is sent to satellite gateway station.
5. the method according to claim 4 for improving satellite communication rate, which is characterized in that described first is promoted at business
Reason machine receives the upstream IP data stream that client traffic end is sent, and upstream IP data stream is sent to according to the transmission channel of distribution
Satellite channel equipment includes:
Uplink Transmission Control Protocol data packet accelerator module receives the upstream IP data stream from client traffic end, and judges the uplink
Whether IP traffic is Transmission Control Protocol data packet；
If so, the upstream IP data stream is carried out TCP acceleration by uplink Transmission Control Protocol data packet accelerator module, and will be after acceleration
Upstream IP data stream be sent to upstream IP data packet voice head compression unit；
Upstream IP data packet voice head compression unit is by the heading of the upstream IP data stream after acceleration according to default upstream data
Heading reduced rule is compressed, and compressed upstream IP data stream is sent to upstream data segmentation numbered cell；
Compressed upstream IP data stream is processed by upstream data segmentation numbered cell according to preset data length
Row business data packet, and uplink business data packet is sent to the first promotion service interaction processing unit；
First promotes the quantity of service interaction processing unit detection available communication channel, passes for the distribution of each uplink business data packet
Defeated channel, and uplink business data packet is sent to satellite channel equipment according to the transmission channel of distribution.
6. the method according to claim 5 for improving satellite communication rate, which is characterized in that further include:
Uplink business data packet is sent to the second promotion service interaction processing unit by satellite gateway station；
Uplink business data packet is sent to upstream data synthesis unit by the second promotion service interaction processing unit；
Upstream data synthesis unit becomes uplink business data inclusion by the upper of heading compression according to preset numbers rule
Row IP operation data flow, and uplink IP operation data flow is sent to upstream IP data reduction unit；
Uplink IP operation data flow is reduced by upstream IP data reduction unit according to default uplink data messages head reduced rule
Upstream IP data stream, and go upward to internet device and complete information exchange.
7. the method according to claim 5 for improving satellite communication rate, which is characterized in that the upstream data segmentation is compiled
Compressed upstream IP data stream is carried out being processed into uplink business data packet by number unit according to preset data length
Compressed upstream IP data stream is split by upstream data segmentation numbered cell according to preset data length；
Upstream data divides numbered cell and the upstream IP data after segmentation is flowed into row number packing, obtains using udp protocol
Uplink business data packet.
8. the method according to claim 4 for improving satellite communication rate, which is characterized in that described second is promoted at business
Reason machine receives the downstream IP data stream that internet device is sent to client traffic end, for the distribution transmission of each downlink service data packet
Channel, and downlink service data packet is sent to satellite gateway station and includes:
Downlink Transmission Control Protocol data packet accelerator module receives the downstream IP data stream that internet device is sent, and judges whether it is TCP
Protocol data packet；
If so, downlink Transmission Control Protocol data packet accelerator module carries out TCP acceleration to downstream IP data stream, and by the downlink after acceleration
IP traffic is sent to downstream IP data packet voice head compression unit；
Downstream IP data packet voice head compression unit compresses the heading of downstream IP data stream, and by compressed downlink
IP traffic is sent to downlink data segmentation numbered cell；
Compressed downstream IP data stream is processed into down by downlink data segmentation numbered cell according to preset data length
Row business data packet, and downlink service data packet is sent to the second promotion service interaction processing unit；
Second promotes the quantity of service interaction processing unit detection available communication channel, passes for the distribution of each downlink service data packet
Defeated channel, and downlink service data packet is sent to satellite gateway station.
9. the method according to claim 8 for improving satellite communication rate, which is characterized in that further include:
First, which promotes service interaction processing unit, receives downlink service data packet, and downlink service data packet is sent to lower line number
According to synthesis unit；
Downlink service data packet is by under heading compression according to preset numbers ruled synthesis by downlink data synthesis unit
Row IP operation data flow, and the compressed downstream IP business data flow of heading is sent to downstream IP data reduction unit；
Downstream IP data reduction unit is by the compressed downstream IP business data flow of heading according to default downlink data message head
Reduced rule is reduced into downstream IP data stream, and is issued to client traffic end.
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