CN108988927A - A kind of highly reliable number biography operating mode - Google Patents
A kind of highly reliable number biography operating mode Download PDFInfo
- Publication number
- CN108988927A CN108988927A CN201810201089.6A CN201810201089A CN108988927A CN 108988927 A CN108988927 A CN 108988927A CN 201810201089 A CN201810201089 A CN 201810201089A CN 108988927 A CN108988927 A CN 108988927A
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- China
- Prior art keywords
- operating mode
- data
- pass
- data transmission
- mode
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Classifications
-
- 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
-
- 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
- H04B7/18519—Operations control, administration or maintenance
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0663—Performing the actions predefined by failover planning, e.g. switching to standby network elements
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention discloses a kind of highly reliable numbers to pass operating mode, it is divided into normal mode of operation, drop volume operating mode and user's self-defined pattern, in the operating mode, celestial body is equipped with 2 data transmission channels over the ground, the maximum capacity of each data transmission channel is 300Mbps, can pass under load datas by 2 data transmission channels simultaneously, and 2 numbers pass channels and pass the type of load data down and can instruct progress independent choice or shielding by upper note；2 data transmission channels are supported to pass ability under the drop bit rate of 150Mbps simultaneously.When being severely impacted the invention enables satellite equipment failure or satellite-ground link, it still can guarantee that load data can pass on the lower in real time, while obtaining all kinds of load datas for user flexibility and convenience is provided.
Description
Technical field
The present invention relates to technical field of satellite communication, relate generally to a kind of highly reliable number biography operating mode.
Background technique
Satellite load data are correct, are reliably transmitted to the basic place that ground fortune control application system is satellite task.?
In Practical Project practice, satellite transit faces equipment fault, link rain the declines unreliable factors such as serious, these unreliable factor meetings
Data link is caused to interrupt, or the data that should be passed down cannot pass down.But either which kind of situation can all cause certain load
Data cannot pass down, influence the completion of satellite task.Therefore, during satellite is developed, for above-mentioned unreliable factor, and
How the demand that satellite is used in conjunction with user flexibility, design satellite operation mode to guarantee that satellite data transmission is more reliable, cleverer
It is living, it appears extremely important.
Summary of the invention
The purpose of the present invention is to provide a kind of highly reliable numbers to pass operating mode.
The purpose of the present invention is achieved through the following technical solutions: a kind of highly reliable number biography operating mode is divided into normal work
Volume operating mode and user's self-defined pattern, drop in operation mode, in the operating mode, celestial body be equipped with 2 over the ground data transmit
Channel, the maximum capacity of each data transmission channel are 300Mbps, can carry out charge number by 2 data transmission channels simultaneously
It is passed under, and 2 numbers pass channels and pass the type of load data down that progress independent choice or shielding can be instructed by upper note；2 numbers
It supports to pass ability under the drop bit rate of 150Mbps simultaneously according to transmission channel.
Wherein, and satellite-ground link working properly in data transmission equipment on star without rain decline influence under conditions of, using normal work
Mode.
Wherein, the drop volume operating mode includes 2 kinds of modes, specific:
When number biography equipment component failure causes 1 number to pass channel failure on star, using failed transmission mode, by load
The shielding of lotus data selects, and partial data is passed by intact number and is passed under channel；
Cope with satellite-ground link declined by rain influence serious when, declined mode using anti-rain, pass through with reducing star number and pass bit rates
(become original 1/2), passing under the drop volume of guarantee section load data.
Wherein, when fractional load exception uses when the also transmittable instruction in ground carries out shielding processing to failure load data
The customized operating mode of user no longer passes down failure load data, guarantees the normal transmission of valid data.
Compared with prior art, the invention has the following advantages:
The present invention is divided into normal mode of operation, drops volume operating mode and user's self-defined pattern etc., these modes are set
When meter is so that satellite equipment failure or satellite-ground link are severely impacted, it still can guarantee that load data in real time can be on the lower
It passes, while obtaining all kinds of load datas for user flexibility and convenience is provided.
Detailed description of the invention
Fig. 1 is the relation schematic diagram of three operating modes in the embodiment of the present invention.
Fig. 2 is the data frame structure used when passing operating mode using highly reliable number proposed by the present invention.
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection scope.
Embodiment
Satellite load data class and bit rate are as shown in table 1, and bit rate is to consider frame format and channel coding in table 1
Bit rate after redundancy.Wherein VC1~VC6 is original remotely-sensed data on star, and VC7~VC9 is the nothing of all original remotely-sensed datas
Compressed data is damaged, wherein VC1 and VC2 is to guarantee that satellite task completes most important load data, this is extraterrestrial to upload lotus original number
It is used according to volume can be dropped by way of reducing temporal resolution, to reduce bit rate.
1 satellite load entry condition of table
Number biography channel is designed as 2 to satellite over the ground, and transmittability is both designed as 300Mbps, i.e., the load of each channel transfer
Lotus data summation is no more than 300Mbps, and the less than part 300Mbps is filled up using null frame.The satellite load number of two channel transfers
According to type, it can be sent and be instructed according to ground, carry out any type gating or shielding, i.e., in the load data summation of single channels
Under constraint no more than 300Mbps, VC1~VC9 can any combination and can any 1 number pass channels under pass.
The normal mode of operation of satellite data transmission, i.e. default mode are designed, transferring content is shown in Table 2, and number passes the load that channel 1 is transmitted
Lotus data type includes VC1, VC2, VC5；It includes VC3, VC4, VC6 that number, which passes the load data type that channel 2 is transmitted,.This mode master
Consider under normal circumstances, ground will to be reached under all original remotely-sensed datas are accurate on star.
2 satellite data transmission normal mode of operation of table
When satellite data transmission channel 1 or wherein 1 channel failure of channel 2, according to the Minimum requirements of task completion, it is assumed that logical
2 failure of road designs the drop volume mode 1 of satellite data transmission, i.e., the remotely-sensed data after lossless compression is passed channel 1 by number and be transmitted to ground
Face, as shown in table 3, total data bit rate 285Mbps.Interference of the lossless compression data vulnerable to channel, it is poor in channel circumstance
When easily cause error code diffusion；But can guarantee when channel situation is good all remotely-sensed datas on star it is accurate under reach ground,
It is consequently belonging to a kind of drop volume use pattern.
Specified number arq mode 1- compressed mode transmission drops in 3 satellite of table
When channel circumstance causes error code diffusion more serious, the drop volume mode 2 for designing satellite data transmission is as shown in table 4, institute
There is load data to work in the operating mode for reducing temporal resolution, passes in channel 1 and transmit in number, total data bit rate
266Mbps is less than channel transfer bit rate upper limit 300Mbps.
Specified number arq mode 2- drops in 4 satellite of table reduces temporal resolution transmission mode
When heavy rainfall occurs in ground satellite station area, and chain road rain declines larger, satellite data transmission can be switched to anti-rain and decline work
Operation mode, i.e. drop specified number arq mode 3, it is 150Mbps, design of operating modes such as table 5 that every number, which passes channel maximum transmitted bit rate,
Shown, number passes 1 transmission payload data VC1 of channel, and number passes 2 transmission payload data VC2 of channel, and transmission payload data rate is
112Mbps is less than the anti-rain mode that declines and descends the upper limit of 150Mbps.
5 satellite of the table drop anti-rain of specified number arq mode 2- declines mode
In addition, user can be according to self-demand, customized number passes operating mode, for example, user wishes VC1 and VC3
It is transmitted in the same channel, and specified VC6 will pass channel 2 in number and transmit, then following operating mode can be defined, such as table 6
It is shown.2 numbers pass the load data bit rate of channel transfer and are no more than 300Mbps.
The customized operating mode of table 6
The design that operating mode is passed by above-mentioned logarithm, produces normal mode of operation, drops volume operating mode and customized
On the one hand operating mode etc., these operating modes may insure that equipment fault, link the rain unreliable factors such as serious that decline descend load
Data can pass on the lower, on the other hand also improve the convenience that user uses.
When certain satellite load data is transmitted over the ground, operating mode, the number of use are passed using highly reliable number proposed by the present invention
It is as shown in Figure 2 according to frame structure.2 numbers pass channel and 1 piece of anti-fuse FPGA are respectively used to carry out the load data that each channel passes down
Independent shielding selection, and (300Mbps/150Mbps) is switched over to bit rate.Above-mentioned operating mode is through practical in-orbit use
Afterwards, it was demonstrated that consistent with design, effect is obvious.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring substantive content of the invention.
Claims (4)
1. a kind of highly reliable number passes operating mode, which is characterized in that be divided into normal mode of operation, drop volume operating mode and user
Self-defined pattern, in the operating mode, celestial body is equipped with 2 data transmission channels over the ground, the maximum of each data transmission channel
Ability is 300Mbps, can pass under load data by 2 data transmission channels simultaneously, and 2 numbers pass posting lotus under channel
The type of data can be instructed by upper note and carry out independent choice or shielding；2 data transmission channels support the drop of 150Mbps simultaneously
Ability is passed under bit rate.
2. a kind of highly reliable number as described in claim 1 passes operating mode, which is characterized in that data transmission equipment works just on star
Normal and satellite-ground link is declined without rain under conditions of influence, using normal mode of operation.
3. highly reliable number as described in claim 1 a kind of passes operating modes, which is characterized in that the drop volume operating mode includes
2 kinds of modes, specific:
When number biography equipment component failure causes 1 number to pass channel failure on star, using failed transmission mode, by charge number
According to shielding selection, partial data is passed by intact number and is passed under channels；
Cope with satellite-ground link declined by rain influence serious when, declined mode using anti-rain, passing bit rates by with reducing star number (becomes
Originally 1/2), it is passed under the drop volume of guarantee section load data.
4. a kind of highly reliable number as described in claim 1 passes operating mode, which is characterized in that when fractional load exception, ground
When also transmittable instruction carries out shielding processing to failure load data, using the customized operating mode of user, no longer failure is passed down
Load data guarantees the normal transmission of valid data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201089.6A CN108988927A (en) | 2018-03-12 | 2018-03-12 | A kind of highly reliable number biography operating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810201089.6A CN108988927A (en) | 2018-03-12 | 2018-03-12 | A kind of highly reliable number biography operating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108988927A true CN108988927A (en) | 2018-12-11 |
Family
ID=64541758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810201089.6A Pending CN108988927A (en) | 2018-03-12 | 2018-03-12 | A kind of highly reliable number biography operating mode |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6885637B1 (en) * | 1999-06-03 | 2005-04-26 | Bae Systems Information And Electronic Systems Integration, Inc. | Distributed determination of explicit rate in an ATM communication system |
| CN102142189A (en) * | 2010-01-29 | 2011-08-03 | 上海卫星工程研究所 | Multi-channel telemetry transmission system |
| CN106688332B (en) * | 2013-02-05 | 2015-07-15 | 上海卫星工程研究所 | A kind of satellite telemetry parameters distribution and dispatching method |
| CN107257255A (en) * | 2017-07-12 | 2017-10-17 | 河海大学 | A kind of satellite Intelligent Transportation Systems and method |
-
2018
- 2018-03-12 CN CN201810201089.6A patent/CN108988927A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6885637B1 (en) * | 1999-06-03 | 2005-04-26 | Bae Systems Information And Electronic Systems Integration, Inc. | Distributed determination of explicit rate in an ATM communication system |
| CN102142189A (en) * | 2010-01-29 | 2011-08-03 | 上海卫星工程研究所 | Multi-channel telemetry transmission system |
| CN106688332B (en) * | 2013-02-05 | 2015-07-15 | 上海卫星工程研究所 | A kind of satellite telemetry parameters distribution and dispatching method |
| CN107257255A (en) * | 2017-07-12 | 2017-10-17 | 河海大学 | A kind of satellite Intelligent Transportation Systems and method |
Non-Patent Citations (1)
| Title |
|---|
| 董世永，等: "采用极化复用方式提高遥感卫星数传速率技术分析", 《第十一届全国遥感遥测遥控学术研讨会论文集》 * |
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Application publication date: 20181211 |
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