CN108964744A - A kind of communication satellite coverage power amplifier backup ring Cascading Methods - Google Patents
A kind of communication satellite coverage power amplifier backup ring Cascading Methods Download PDFInfo
- Publication number
- CN108964744A CN108964744A CN201810695932.0A CN201810695932A CN108964744A CN 108964744 A CN108964744 A CN 108964744A CN 201810695932 A CN201810695932 A CN 201810695932A CN 108964744 A CN108964744 A CN 108964744A
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- Prior art keywords
- switch
- power amplifier
- transmitting
- node
- backup ring
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Classifications
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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
- H04B7/18515—Transmission equipment in satellites or space-based relays
-
- 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
Abstract
A kind of communication satellite coverage power amplifier backup ring Cascading Methods, in such a way that two power amplifier backup rings are cascade, power amplifier backup ring in different deck boards is connected, realizes sharing for backup power amplifier in two backup rings, backup service efficiency is improved, transponder reliability is improved.
Description
Technical field
The present invention relates to a kind of communication satellite coverage power amplifier backup ring Cascading Methods, belong to communication satellite effective load skill
Art field.
Background technique
In transponder reliability design, receiver, the power amplifier on crucial channel are intended to carry out backup consideration, thus
The backup ring switch matrix that a certain number of microwave switches form is designed in the input terminal and output end of key equipment.In order to protect
Card can be completed to switch under any failure combination, need with special microwave switch (such as T-type, R type) according to certain row
Column, and carry out necessary internal connection and the switch matrix backup ring of composition.
Recently as the promotion of satellite platform ability, transponder number rises to tens tunnels, telecommunication satellite fortune from several roads
It seeks quotient to consider for economic benefit, the backup power amplifier in common demands difference power amplifier backup ring is shared as far as possible to be used, and backup is improved
Efficiency (satellite communication (former book fourth edition), Luo Di, China Machine Press).
Traditional power amplifier backup ring design is mainly for small-scale backup instances, such as 3:2 (2 main part power amplifiers, 1 backup
Power amplifier) and 6:4 etc., simultaneously because the space of satellite platform and placement constraint, such as Dongfanghong four platforms, one deck board are at most propped up
14 power amplifiers are held, backup power amplifier can not be realized in the backup ring of different deck boards to be shared.The service efficiency for reducing power amplifier, can not
Meet user demand.
Summary of the invention
Technical problem solved by the present invention is having overcome the deficiencies of the prior art and provide a kind of communication satellite coverage function
Backup ring Cascading Methods are put, in such a way that two power amplifier backup rings are cascade, power amplifier backup ring in different deck boards is connected,
Sharing for backup power amplifier in two backup rings is realized, backup service efficiency is improved, improves transponder reliability.
The technical solution of the invention is as follows:
A kind of communication satellite coverage power amplifier backup ring Cascading Methods, include the following steps:
S1 takes the microwave switch of several four ports, switchs respectively as connection switch, Node Switch and transmitting, will not
The transmitting switch being connected with backup power amplifier is switched as main transmitting, and the transmitting being connected with backup power amplifier switch is opened as standby transmitting
It closes；
S2 connects two ports of the main transmitting switch, two ports of connection switch and Node Switch transmission line
It connects, forms power amplifier backup ring；The a port of the standby transmitting switch is connected in a port of the Node Switch, institute
It states and connects backup power amplifier on another port of standby transmitting switch；Remaining of the Node Switch does not connect with the standby transmitting switch
The port connect connects the switch of the main transmitting in the power amplifier backup ring, standby transmitting switch or other Node Switch；The connection is opened
Two ports closed are connected by transmission line with a power amplifier backup ring, other two port passes through transmission line and another power amplifier
Backup ring be connected, and connection when in power amplifier backup ring main transmitting switch or Node Switch be connected；
S3 connects output multiplexer and main part function on the other two port of the main transmitting switch and standby transmitting switch
It puts.
Further, the main transmitting switch number in the power amplifier backup ring between two Node Switch is no more than two.
Further, the main transmitting switch number between the connection switch and Node Switch is no more than two.
Further, the transmitting switch of the different power amplifier backup rings of connection or the connection switch number of Node Switch are
1。
Further, the microwave switch is T-type or R type.
Further, there are two the power amplifier backup rings, respectively the first power amplifier backup ring and the second power amplifier backup ring, two
A power amplifier backup ring is connected by connection switch；Two ports of the connection switch pass through transmission line respectively and the first power amplifier is standby
The a ports connection of two main transmitting switches in part ring, other two port of the connection switch passes through transmission line respectively
It is connect with a port of two main transmitting switches in the second power amplifier backup ring.
Further, the first power amplifier backup ring includes two backup power amplifiers, connection switch, two Node Switch, four
A main transmitting switch and two standby transmitting switches, wherein two Node Switch, connection switch and four main transmitting switch connection structures
At the first annulus, two standby transmitting switches are connected in respectively on two Node Switch, and two backup power amplifiers are connected in two respectively
On a standby transmitting switch.
Further, the second power amplifier backup ring include two backup power amplifiers, connection switch, first node switch, the
Two Node Switch, third Node Switch, ten main transmitting switches and two standby transmitting switches；Ten main transmitting switches are divided into three
Group, there are two first group, there are six second group, there are two third groups；By connection switch, first node switch and first group of main biography
It passs switch and connects and composes the second annulus；The first node switch, second node switch, third Node Switch and second group
Main transmitting switch connects and composes third annulus；The second node switch, third Node Switch, second node switch and the
The main transmitting switch of main transmitting switch and third group between three Node Switch connects and composes fourth annular access；In second section
It is separately connected a standby transmitting switch on point switch and third Node Switch, two backup power amplifiers are connected in two standby transmitting respectively
On switch.
Further, the transmitting switch of the different power amplifier backup rings of connection or the connection switch number of Node Switch are
1。
Further, the microwave switch is T-type or R type.
The advantages of the present invention over the prior art are that:
(1) the method for the present invention solves the problems, such as backup power amplifier utilization rate, and different backup rings are connected, backup is realized
Shared use of the power amplifier in different power amplifier backup rings has stronger engineering application value.
(2) the method for the present invention supports the backup power amplifier in a backup ring when not increasing backup power amplifier total quantity
It is used as main part power amplifier, and backup functionality is realized by the backup power amplifier in other backup rings, while not reducing system dependability.
For user's bring distinct economic.
(3) the method for the present invention connects different backup rings using a connection switch, and supports two backup power amplifiers in difference
It is shared in backup ring, the maximum utilization efficiency of microwave switch is realized, number of switches is saved, satellite repeater is reduced and sets
Count cost.
(4) the method for the present invention meets the recent design demand of satellite user, improves domestic satellite repeater system
The market competitiveness.
(5) the method for the present invention can extend to shared backup in need communication satellite coverage product, improve logical
Believe satellite in-orbit service quality.
Detailed description of the invention
Fig. 1 is the structure of the 8:6 backup ring before cascade；
Fig. 2 is the structure of the 14:12 backup ring before cascade；
Fig. 3 is the structure after 8:6 backup ring and the cascade of 14:12 backup ring；
Structure after the backup ring cascade that Fig. 4 is two 10:8.
Specific embodiment
The present invention connects power amplifier backup ring in different deck boards in such a way that two power amplifier backup rings are cascade, real
Sharing for backup power amplifier in two backup rings is showed, has improved backup service efficiency, improve transponder reliability.
It specifically has the following steps:
1, the primary and backup power amplifier quantity of different deck boards is determined according to satellite communication cabin layout: being laid out according to communication module empty
Between, the power amplifier of different deck boards is subjected to backup design respectively, as communication module north plate designs 8:6 (8 power amplifiers, wherein 6 are primary
Power amplifier) backup design, southern plate 14:12 (14 power amplifiers, wherein 12 are primary power amplifiers) power amplifier backup design etc..Determine backup ring
Cascade:
2, using microwave R switch or T switch as connection switch, are separately connected two different function using waveguide or cable
The switch in backup ring is put, the cascaded design of backup ring is completed, realizes that the backup in different backup rings shares.
For the objects, technical solutions and advantages of the method for the present invention are more clearly understood, below with reference to attached drawing 1, Fig. 2 and figure
3, the method for the present invention is further described.
Power amplifier generally uses travelling-wave tubes power amplifier in communication satellite coverage, and common demands have the output work of 100W or more
Rate, the bandwidth of operation of 500MHz or more and 15 years continuous booting service life.In power amplifier reliability design, opened using microwave
It closes, cable or waveguide connection power amplifier form switch backup ring matrix, and microwave switch generally uses high reliability, broadband, undershoot
The T-type of damage, R type switch etc..T-type switch is the switch for having 4 ports, 3 kinds of positions, and R type switch has 4 kinds of 4 ports position
Switch.Such as 4 ports of T-type switch, it is set to J1, J2, J3 and J4.There are four types of positions for T switch: position l represents J1-
J2 is logical, and J3-J4 is logical；Position 2 represents Jl-J3 and leads to, and J2-J4 is logical；Position 3 represents J1-J4 and leads to, and J2-J3 is logical.The skill of microwave switch
Art requires mainly to have: bandwidth of operation is 1000MHz~22000MHz；Insertion Loss is less than 0.12dB；Weight is less than 300g etc..
Power amplifier backup ring, including microwave switch, power amplifier and waveguide, cable.All power amplifiers need to be connected by cable or waveguide
On microwave switch.It is also connected with cable or waveguide between switch.Microwave switch is divided into transmitting switch again in backup ring, and node is opened
Pass and connection switch.Transmitting switch is the switch of connection power amplifier: when power amplifier failure, the function of switch can be transmitted by being connected to
It puts and is switched on backup power amplifier.Node Switch is the switch for being not connected to power amplifier connecting cable or waveguide: in backup ring structure
As connecting fulcrum.Connection switch is the switch for connecting two kinds of power amplifier backup rings.
Due to the limitation of satellite layout, transponder load is mainly distributed on the southern plate and northern plate of communication module.Due to deck board
Space is limited, and a deck board usually only supports the layout of a set of high-power backup ring, 8:6 (8 power amplifiers, wherein 6 as shown in figure 1
A is primary power amplifier) power amplifier backup ring, it is laid out in satellite communication cabin south plate.6 transmitting are arranged in ring to switch, transmitting switch difference
8 power amplifiers are connected, 2 Node Switch are set, effect is to ensure that 2 backup power amplifiers can switch to the primary power amplifier of any two
On.
Satellite communication cabin south plate arrangement such as 14:12 (14 power amplifiers, wherein 12 are primary power amplifiers) the power amplifier backup in Fig. 2
Ring is arranged 12 transmitting switches and is distributed on ring, and transmitting switch is separately connected 14 power amplifiers, 3 Node Switch is arranged, effect is
Ensure that 2 backup power amplifiers can switch on the primary power amplifier of any two.
In order to improve the service efficiency of backup power amplifier, the reliability of transponder is improved, the present invention utilizes microwave switch by two
The backup ring of a deck board cascades up, such as No. 5 connection switches in Fig. 3, No. 1, No. 2 biographies being separately connected in 8:6 backup ring
Pass No. 3, No. 4 transmitting switches in switch and 14:12 backup ring.Backup ring after Fig. 3 cascade can at most support 4 backups
Power amplifier switches to any 4 failure power amplifiers simultaneously, and reliability is improved to 22:18, is that there are two the 1.5 of backup ring reliability for original
Times.
Using step of the present invention, may extend to other backup ring design, as communication module north plate design 10:8 (10 power amplifiers,
Wherein 8 are primary power amplifiers) backup design, southern plate 10:8 (10 power amplifiers, wherein 8 are primary power amplifiers) power amplifier backup design
Deng.Design iterations step, backup ring cascaded design such as Fig. 4.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (10)
1. a kind of communication satellite coverage power amplifier backup ring Cascading Methods, characterized by the following steps:
S1 takes the microwave switch of several four ports, respectively as connection switch, Node Switch and transmitting switch, will not with it is standby
The connected transmitting switch of part power amplifier is switched as main transmitting, and the transmitting being connected with backup power amplifier is switched as standby transmitting switch；
S2 connects two ports of two ports of the main transmitting switch, connection switch with Node Switch with transmission line, shape
At power amplifier backup ring；The a port of the standby transmitting switch is connected in a port of the Node Switch, it is described standby
It transmits and connects backup power amplifier on another port of switch；What remaining of the Node Switch was not connected with the standby transmitting switch
Port connects the switch of the main transmitting in the power amplifier backup ring, standby transmitting switch or other Node Switch；The connection switch
Two ports are connected by transmission line with a power amplifier backup ring, other two port is backed up by transmission line and another power amplifier
Ring be connected, and connection when in power amplifier backup ring main transmitting switch or Node Switch be connected；
S3 connects output multiplexer and main part power amplifier on the other two port of the main transmitting switch and standby transmitting switch.
2. a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 1, it is characterised in that: described
Main transmitting switch number in power amplifier backup ring between two Node Switch is no more than two.
3. a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 1, it is characterised in that: described
Main transmitting switch number between connection switch and Node Switch is no more than two.
4. described in any item a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 1~3, feature
Be: the transmitting of the different power amplifier backup rings of connection switchs or the connection switch number of Node Switch is 1.
5. described in any item a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 1~3, feature
Be: the microwave switch is T-type or R type.
6. described in any item a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 1~3, feature
Be: there are two the power amplifier backup rings, respectively the first power amplifier backup ring and the second power amplifier backup ring, two power amplifier backup rings
It is connected by connection switch；Two ports of the connection switch pass through two in transmission line and the first power amplifier backup ring respectively
The a port connection of main transmitting switch, other two port of the connection switch passes through transmission line respectively and the second power amplifier is standby
The a ports connection of two main transmitting switches in part ring.
7. a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 6, it is characterised in that: described
First power amplifier backup ring includes two backup power amplifiers, connection switch, two Node Switch, four main transmitting switches and two standby biographies
Pass switch, wherein two Node Switch, connection switch and four main transmitting switches connect and compose the first annulus, and two standby
Transmitting switch is connected in respectively on two Node Switch, and two backup power amplifiers are connected in respectively on two standby transmitting switches.
8. a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 6, it is characterised in that: described
Second power amplifier backup ring includes two backup power amplifiers, connection switch, first node switch, second node switchs, third node is opened
It closes, ten main transmitting switches and two standby transmitting switch；Ten main transmitting switches are divided into three groups, there are two first group, second
There are six groups, and there are two third groups；Connection switch, first node switch and first group of main transmitting switch are connected and composed into the second ring
Shape access；First node switch, second node switch, third Node Switch and second group of main transmitting, which switch, connects and composes the
Three annulus；Main biography between the second node switch, third Node Switch, second node switch and third Node Switch
It passs switch and the main transmitting switch of third group connects and composes fourth annular access；In second node switch and third Node Switch
On be separately connected a standby transmitting switch, two backup power amplifiers are connected in two standby transmitting respectively and are switched.
9. a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 6, it is characterised in that: described
The transmitting switch of the different power amplifier backup rings of connection or the connection switch number of Node Switch be 1.
10. a kind of communication satellite coverage power amplifier backup ring Cascading Methods according to claim 6, it is characterised in that: institute
Stating microwave switch is T-type or R type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695932.0A CN108964744B (en) | 2018-06-29 | 2018-06-29 | Communication satellite transponder power amplifier backup ring cascade method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810695932.0A CN108964744B (en) | 2018-06-29 | 2018-06-29 | Communication satellite transponder power amplifier backup ring cascade method |
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| Publication Number | Publication Date |
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| CN108964744A true CN108964744A (en) | 2018-12-07 |
| CN108964744B CN108964744B (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810695932.0A Active CN108964744B (en) | 2018-06-29 | 2018-06-29 | Communication satellite transponder power amplifier backup ring cascade method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108631857A (en) * | 2018-03-29 | 2018-10-09 | 西安空间无线电技术研究所 | A kind of control method for automatically switching and system of communication satellite coverage backup ring |
| CN110311725A (en) * | 2019-07-12 | 2019-10-08 | 中国空间技术研究院 | Spaceborne transponder backup ring modular design method |
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| CN108631857A (en) * | 2018-03-29 | 2018-10-09 | 西安空间无线电技术研究所 | A kind of control method for automatically switching and system of communication satellite coverage backup ring |
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| CN110311725B (en) * | 2019-07-12 | 2021-12-07 | 中国空间技术研究院 | Modular design method for backup ring of satellite-borne transponder |
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| Publication number | Publication date |
|---|---|
| CN108964744B (en) | 2021-04-13 |
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