CN109274415A - A kind of spaceborne transponder channel flexibly synthesizes switching system - Google Patents
A kind of spaceborne transponder channel flexibly synthesizes switching system Download PDFInfo
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- CN109274415A CN109274415A CN201811007743.6A CN201811007743A CN109274415A CN 109274415 A CN109274415 A CN 109274415A CN 201811007743 A CN201811007743 A CN 201811007743A CN 109274415 A CN109274415 A CN 109274415A
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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
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Abstract
The invention discloses a kind of spaceborne transponder channels flexibly to synthesize switching system, module is realized including feed input module, switch block module and bandwidth, the uplink signal of feed input module reception external user, pass through the switching to switch assembly module, for the user of different number, select the corresponding number signal of user uplink signal, and the number signal is realized that module realizes the bandwidth selection of signal by bandwidth, and the signal after bandwidth selection is passed through into external power amplification module, signal is amplified and synthesizes output.Bandwidth chahnel of the present invention is available, so that the signal of different uplinks is flexibly used channel frequence resource, improves frequency repeat utilization ratio.
Description
Technical field
The invention belongs to communication satellite effective load technical field, in particular to a kind of spaceborne transponder channel flexibly synthesizes
Switching system.
Background technique
In Satellite Payloads design, transponder bandwidth chahnel is generally both designed as a fixed width, tradition forwarding
Device bandwidth chahnel is generally 36MHz, 54MHz, 72MHz etc., and user is relatively fixed using the bandwidth chahnel of transponder.If user
At a time business is less, and required transponder channel resource is less, if bandwidth chahnel is relatively fixed, will cause
The waste of frequency resource；Still further aspect needs to occupy more frequency resource if business is more, if bandwidth chahnel is opposite
It is fixed, then it is unable to satisfy related needs again.Related technology reports are had no for transponder bandwidth chahnel optional function.
Summary of the invention
Problems solved by the invention is: in order to overcome the deficiencies of the prior art, it is logical that the present invention provides a kind of spaceborne transponders
Road flexibly synthesizes switching system, and bandwidth chahnel is available, and the signal of different uplinks is made flexibly to use channel frequence resource, improves
Frequency repeat utilization ratio.
Technical solution of the invention:
A kind of spaceborne transponder channel flexibly synthesizes switching system, including feed input module, switch block module and band
Width realizes module,
Feed input module receives the uplink signal of external user, by the switching to switch assembly module, for difference
The user of quantity selects the corresponding number signal of user uplink signal, and the number signal is realized that module is realized by bandwidth
The bandwidth selection of signal, and the signal after bandwidth selection is passed through into external power amplification module, signal is amplified and synthesizes output.
For a user, any one signal of three user uplink signals is selected, which passes through any one band
Width realizes that module realizes the bandwidth selection of signal, and the signal after bandwidth selection is passed through external power amplification module, by signal
Amplify and synthesizes output.
For two users, any two signal of three user uplink signals is selected, it is real to exclude the widest bandwidth of bandwidth
The two signals are realized that module realizes that the synthesis of signal selects by other two bandwidth by existing module, and will be after synthesis selection
Signal pass through external power amplification module, signal is amplified and synthesizes output；
For three users, three user uplink signals are selected, one of mode is that a signal is widest by bandwidth
Bandwidth realizes module；The two of mode are that other two signal is realized that module realizes that the synthesis of signal is selected by another two bandwidth
It selects；A job is selected between both of which, will select the signal after a job by external power amplification module, signal is amplified and closed
At output.
Widest bandwidth realizes that the bandwidth of module realizes the sum of the bandwidth of module not less than other two bandwidth.
The bandwidth of bandwidth realizes module between, and the submodule of module is realized including the smallest bandwidth of two bandwidth.
For three users, three user uplink signals are selected, the widest bandwidth of bandwidth is excluded and realizes module, use simultaneously
Other two bandwidth realizes module, realizes that the synthesis to three signals selects, and the signal after synthesis selection is passed through external power
Signal is amplified and synthesizes output by amplification module.
Beneficial effects of the present invention:
The present invention receives the uplink signal of external user by feed input module, and by cutting to switch assembly module
It changes, for the user of different number, selects the corresponding number signal of user uplink signal, use the signal of different uplinks flexibly
Channel frequence resource largely improves the using flexible of load system, improves frequency repeat utilization ratio.
Detailed description of the invention
Fig. 1 is structure of the invention system schematic；
Fig. 2 is present invention synthesis handoff functionality block diagram.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1, a kind of spaceborne transponder channel flexibly synthesizes switching system, including feed input module, switching group
Part module and bandwidth realize module,
Feed input module receives the uplink signal of external user, by the switching to switch assembly module, for difference
The user of quantity selects the corresponding number signal of user uplink signal, and the number signal is realized that module is realized by bandwidth
The bandwidth selection of signal, and the signal after bandwidth selection is passed through into external power amplification module, signal is amplified and synthesizes output.
For a user, any one signal of three user uplink signals is selected, which passes through any one band
Width realizes that module realizes the bandwidth selection of signal, and the signal after bandwidth selection is passed through external power amplification module, by signal
Amplify and synthesizes output.
For two users, any two signal of three user uplink signals is selected, it is real to exclude the widest bandwidth of bandwidth
The two signals are realized that module realizes that the synthesis of signal selects by other two bandwidth by existing module, and will be after synthesis selection
Signal pass through external power amplification module, signal is amplified and synthesizes output；
For three users, three user uplink signals are selected, one of mode is that a signal is widest by bandwidth
Bandwidth realizes module；The two of mode are that other two signal is realized that module realizes that the synthesis of signal is selected by another two bandwidth
It selects；A job is selected between both of which, will select the signal after a job by external power amplification module, signal is amplified and closed
At output.
Widest bandwidth realizes that the bandwidth of module realizes the sum of the bandwidth of module not less than other two bandwidth in the present invention,
The bandwidth of bandwidth between can be realized module, be designed as include two bandwidth the smallest bandwidth realization module submodule.
So, at this point, for three users, three user uplink signals are selected, the widest bandwidth of bandwidth is excluded and realizes module, make simultaneously
Module is realized with other two bandwidth, realizes that the synthesis to three signals selects, by the signal after synthesis selection by extraneous function
Signal is amplified and synthesizes output by rate amplification module.
Embodiment
On type design, designing three bandwidth is respectively 54MHz, 34MHz and 17MHz.The switching of double-fed source subband is designed,
In addition to 54MHz filter, it is still necessary to design the filter that two bandwidth are respectively 34MHz and 17MHz, share entire 54MHz band
It is wide.Filter frequencies divide as shown in table 1 below.
Table 1 synthesizes handoff functionality frequency partition
The specific synthesis handoff functionality combination that these three inputs need to realize is as shown in table 2 below.
Table 2 synthesizes handoff functionality combination
The functional block diagram that double-fed source synthesizes handoff functionality is as shown in Figure 2.
For example:
When feed A is 17MHz, feed B is that 34MHz is shared, it can switch with the feed C of 54MHz；
When feed B is 17MHz, feed A is that 34MHz is shared, it can switch with the feed C of 54MHz；
When feed A is 17MHz, feed C is that 34MHz is shared, it can switch with the feed B of 54MHz；
When feed C is 17MHz, feed A is that 34MHz is shared, it can switch with the feed B of 54MHz；
When feed B is 17MHz, feed C is that 34MHz is shared, it can switch with the feed A of 54MHz；
When feed C is 17MHz, feed B is that 34MHz is shared, it can switch with the feed A of 54MHz.
The present invention receives the uplink signal of external user by feed input module, and by cutting to switch assembly module
It changes, for the user of different number, selects the corresponding number signal of user uplink signal, use the signal of different uplinks flexibly
Channel frequence resource largely improves the using flexible of load system, improves frequency repeat utilization ratio.
The present invention is not described in detail content and is known to the skilled person technology.
Claims (7)
1. a kind of spaceborne transponder channel flexibly synthesizes switching system, it is characterised in that: including feed input module, switch block
Module and bandwidth realize module,
Feed input module receives the uplink signal of external user, by the switching to switch assembly module, for different number
User, select user uplink signal corresponding number signal, and by the number signal by bandwidth realize module realization signal
Bandwidth selection, and by the signal after bandwidth selection pass through external power amplification module, signal is amplified and synthesizes output.
2. a kind of spaceborne transponder channel as described in claim 1 flexibly synthesizes switching system, it is characterised in that: for one
User, selects any one signal of three user uplink signals, which realizes that module realizes letter by any one bandwidth
Number bandwidth selection, and by the signal after bandwidth selection pass through external power amplification module, signal is amplified and synthesizes output.
3. a kind of spaceborne transponder channel as described in claim 1 flexibly synthesizes switching system, it is characterised in that: for two
User selects any two signal of three user uplink signals, excludes the widest bandwidth of bandwidth and realizes module, the two are believed
Number by other two bandwidth realize module realize signal synthesis selection, and will synthesis selection after signal pass through external power
Signal is amplified and synthesizes output by amplification module.
4. a kind of spaceborne transponder channel as described in claim 1 flexibly synthesizes switching system, it is characterised in that: for three
User, selects three user uplink signals, and one of mode is that a signal is realized module by the widest bandwidth of bandwidth；Mode
Two for by other two signal by another two bandwidth realize module realize signal synthesis select；One is selected between both of which
Work will select the signal after a job by external power amplification module, signal amplified and synthesizes output.
5. a kind of spaceborne transponder channel as described in claim 3 or 4 flexibly synthesizes switching system, it is characterised in that: most wide
Bandwidth realize module bandwidth not less than other two bandwidth realize module the sum of bandwidth.
6. a kind of spaceborne transponder channel as claimed in claim 5 flexibly synthesizes switching system, it is characterised in that: between
The bandwidth of bandwidth realizes module, and the submodule of module is realized including the smallest bandwidth of two bandwidth.
7. a kind of spaceborne transponder channel as claimed in claim 6 flexibly synthesizes switching system, it is characterised in that: for three
User selects three user uplink signals, excludes the widest bandwidth of bandwidth and realizes module, while being realized using other two bandwidth
Module, realizes that the synthesis to three signals selects, and the signal after synthesis selection is passed through external power amplification module, signal is put
Greatly and synthesize output.
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