CN105119028B - A kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized - Google Patents
A kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized Download PDFInfo
- Publication number
- CN105119028B CN105119028B CN201510411580.8A CN201510411580A CN105119028B CN 105119028 B CN105119028 B CN 105119028B CN 201510411580 A CN201510411580 A CN 201510411580A CN 105119028 B CN105119028 B CN 105119028B
- Authority
- CN
- China
- Prior art keywords
- groups
- switch
- bandwidth
- road
- transponder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The changeable interlinkage transponder of the satellite bandwidth that a kind of microwave switching matrix of the present invention is realized, the project include 5 groups of input preselectors, 5 groups of Ka receivers, 5 groups of branching filters, switch, the switch matrix of 8X8,4 groups of frequency converters, 5 LTWTA, 5 groups of output filters.The project can realize the 4X4 Channel Exchange of the 300MHz bandwidth between each wave beam or the 8X8 Channel Exchange of 72MHz bandwidth by microwave switching matrix.The skill upgrading port number of transponder increases switch matrix in interchannel and realizes that channel switches mutually, improves channel utilization index, and 300MHz and 72MHz exchange bandwidth switchable, meets the flexible networking forwarding application of Ka band beam interchannel.
Description
Technical field
The present invention relates to a kind of Broadband Satellite and narrowband interlinkage transponders, and what especially a kind of microwave switching matrix was realized defends
Star bandwidth switchable interlinkage transponder, belongs to technical field of micro communication.
Background technique
Mainly pass through straight-through forwarding in Transparent Transponder in the satellite before the project and realize that the signal in wave beam forwards, adopts
The signal forwarding between realizing different beams is forwarded with interlinkage, handoff relation is immutable between wave beam, and the bandwidth of switching is immutable.With
The development of satellite application demand has higher requirement to satellite communication system, it is desirable that has bigger service area, higher increasing
Large capacity, High Data Rate are accomplished in beneficial, more flexible use.
Summary of the invention
Technology of the invention solves the problems, such as: overcome the deficiencies in the prior art, proposes a kind of microwave switching matrix realization
The changeable interlinkage transponder of satellite bandwidth, improve the port number of transponder, increase switch matrix implementation in interchannel,
Channel utilization index is improved, 300MHz bandwidth chahnel and 72MHz bandwidth chahnel are allowed hand over, meets flexible group of interchannel
Net forwarding application.
The technical scheme is that the changeable interlinkage transponder of satellite bandwidth that a kind of microwave switching matrix is realized, packet
Include 5 groups of input preselectors, 5 groups of Ka receivers, 5 groups of branching filters, switch, the switch matrix of 8X8,4 groups of frequency converters, 5
LTWTA, 5 groups of output filters；The wave beam for the 5 road Ka frequency ranges that antenna receives is sent to corresponding Ka band receiver,
Wave beam is carried out channel division using corresponding branching filter is sent to by Ka band receiver, and the signal after division is logical
Corresponding switching is crossed into 8 road signals, enters the switch matrix of 8X8 later；From 8 tunnels that the switch matrix of 8X8 exports
Signal carries out signal up-conversion by respective frequency converter, and the signal after up-conversion amplifies using respective linearisation travelling-wave tubes
Device exports after carrying out signal enhanced processing.
Channel can be divided into 9 road 72MHz narrow channels or the 4 road broadband channels 300MHz by the branching filter.
The 8X8 switch matrix includes 16 8 throw switch modules of hilted broadsword and corresponding control driving circuit；It is vertical using three-dimensional
Body structural type forms stereochemical structure by basic circuit unit of 8 multithrow switch of hilted broadsword, 88 throw switches of hilted broadsword are in horizontal direction
Installation, in addition 88 throw switches of hilted broadsword are installed in vertical direction, realize integration assembling.
Compared with the prior art, the invention has the advantages that:
(1) present invention uses 8X8 microwave switching matrix technology, realizes the flexible switching of five wave beams；
(2) present invention divides each bandwidth chahnel by input multiplexer, real using 8X8 microwave switching matrix technology
The flexible switching between the channel spaceborne narrowband 72MHz and broadband 300MHz channel signal is showed.
(3) present invention can promote the use of, and by the configuration of switch matrix and the selection of bandwidth chahnel, make satellite forwarding channel
Flexible configuration flexibly deploys footprint.
Detailed description of the invention
Fig. 1 is invention's principle block diagram.
Specific embodiment
A specific embodiment of the invention is further described in detail with reference to the accompanying drawing.
This project proposes and implements a kind of spaceborne transponder technology based on 8x8 microwave matrix switch, improves transponder
Port number, interchannel increase switch matrix realize channel switch mutually, improve channel utilization index, realize forwarding channel
300MHz bandwidth and 72MHz bandwidth switchable meet the flexible networking forwarding application of Ka frequency range spot beam interchannel.
The input port that the project provides 5 Ka frequency ranges is inputted as wave beam, and the output port of 5 Ka frequency ranges is as wave beam
Output.The project provides 8 narrow channels, and each bandwidth chahnel is 72MHz.Or provide 4 broadband channels, each channel band
Width is 300MHz.The broadband channel of each wave beam can be switched to corresponding two narrow channels, and can pass through microwave switch
Matrix realizes the 4X4 Channel Exchange of the 300MHz bandwidth between each wave beam or the 8X8 Channel Exchange of 72MHz bandwidth.
The project include 5 groups of input preselectors, 5 groups of Ka receivers, 5 groups of branching filters, switch, 8X8 switch matrix,
4 groups of frequency converters, 5 LTWTA, 5 groups of output filters.Core component in the project is 8x8 microwave switching matrix, by 16 lists
8 throw switch module of knife and corresponding control driving circuit composition.Three-dimensional structure type is used in radio frequency scheme, i.e., it is more with hilted broadsword
Throw switch is that basic circuit unit forms stereochemical structure, and 88 throw switches of hilted broadsword are installed in horizontal direction, 88 throw switches of hilted broadsword
It installs in vertical direction, integrated assembling mode is compact-sized.The advantages of program is that the Insertion Loss of radiofrequency signal is small, interchannel
Amplitude-frequency characteristic and phase-shift characterisitc it is excellent, compact and reasonable mechanical structure.The switch matrix of 8X8 is controlled by RS422 bus interface
Corresponding control driving circuit, realize switch matrix channel switching.
In the Project design, it is same that Ka1~Ka4 spot beam inner receiver output signal is unified in same frequency range
In 300MHz frequency, by narrowband branching filter, each wave beam is decomposited into 2 road narrowband 72MHz signals, using splitter and
The high and low end 72MHz signal of frequency and 300MHz signal are sent into switch matrix by switch, and 72MHz signal passes through with 300MHz signal
Switching, to select access switch matrix.Wherein the 1 road 72MHz signal of Ka5 can be believed by switching with the 1 road 72MHz of Ka4
Number switching, access switch matrix.It realizes in detail as shown in Figure 1.The channel 4X4 of 300MHz bandwidth is realized by microwave switching matrix
The 8X8 Channel Exchange of exchange or 72MHz bandwidth, signal are output to Ka1~Ka3 and Ka4 (Ka5 channeling), thus realize
Between Ka spot beam and the Channel Exchange of the 300MHz bandwidth in wave beam or 72MHz bandwidth, channel utilization index is improved, is met
The flexible networking of Ka frequency range spot beam interchannel forwards application.
Transponder main indicator of the table 1 based on 8x8 switch matrix
So far, using this patent mentality of designing, the spaceborne transponder technology based on 8x8 microwave matrix switch is realized,
300MHz and 72MHz exchange bandwidth can flexibly switch, and channel utilization index is high, can flexibly switch the transponder used between wave beam.Mesh
Before, the transponder operation on orbit is normal, performance is stablized.
The content that description in the present invention is not described in detail belongs to the well-known technique of professional and technical personnel in the field.
Claims (1)
1. a kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized, it is characterised in that: pre- including 5 groups of inputs
Select device, 5 groups of Ka receivers, 5 groups of branching filters, switch, the switch matrix of 8X8,4 groups of frequency converters, 5 LTWTA, 5 groups of outputs
Filter；The wave beam for the 5 road Ka frequency ranges that antenna receives is sent to corresponding Ka band receiver, and Ka band receiver will
Wave beam carries out channel division using corresponding branching filter is sent to, and the signal after division is opened by corresponding
Concern changes 8 road signals into, enters the switch matrix of 8X8 later；The 8 road signals exported from the switch matrix of 8X8 first pass through 4 conjunctions
Road device forms the output of 4 tunnels, is carrying out signal up-conversion by 4 groups of respective frequency converters, the signal after up-conversion is using respective
Linearisation travelling-wave tube amplifier carry out signal enhanced processing after export；The 8X8 switch matrix includes 16 8 throw switches of hilted broadsword
Module and corresponding control driving circuit；Using three-dimensional structure type, set up by basic circuit unit group of 8 throw switch of hilted broadsword
Body structure, 88 throw switches of hilted broadsword are installed in horizontal direction, and in addition 88 throw switches of hilted broadsword are installed in vertical direction, realize one
Change assembling；Channel can be divided into 8 road 72MHz narrow channels or the 4 road broadband channels 300MHz by the branching filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411580.8A CN105119028B (en) | 2015-07-14 | 2015-07-14 | A kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411580.8A CN105119028B (en) | 2015-07-14 | 2015-07-14 | A kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105119028A CN105119028A (en) | 2015-12-02 |
| CN105119028B true CN105119028B (en) | 2019-01-25 |
Family
ID=54666958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510411580.8A Active CN105119028B (en) | 2015-07-14 | 2015-07-14 | A kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105119028B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9647707B1 (en) * | 2016-08-12 | 2017-05-09 | Rafael Microelectronics, Inc. | Signal receiver |
| CN108318718A (en) * | 2017-12-26 | 2018-07-24 | 北京航天测控技术有限公司 | A method of it improving high-density matrix and switchs bandwidth performance |
| CN109274415B (en) * | 2018-08-31 | 2021-04-13 | 西安空间无线电技术研究所 | Satellite-borne transponder channel flexible synthesis switching system |
| CN110677187B (en) * | 2019-08-30 | 2021-10-01 | 西安空间无线电技术研究所 | High-throughput communication satellite transponder of distributed gateway station and gateway station |
| CN111193539B (en) * | 2020-01-06 | 2021-08-24 | 军事科学院系统工程研究院网络信息研究所 | On-satellite transparent switching method of high-throughput satellite communication system |
| CN111431587A (en) * | 2020-04-26 | 2020-07-17 | 亚太卫星宽带通信（深圳）有限公司 | Communication satellite return link and forward link testing method |
| CN113054991B (en) * | 2021-02-02 | 2022-12-20 | 中国电子科技集团公司第二十九研究所 | Implementation method of switch matrix, module and beam forming network |
| CN114039642B (en) * | 2021-10-11 | 2024-03-26 | 西安空间无线电技术研究所 | High-speed Ka frequency band repeater system with large bandwidth and adjustable frequency |
| CN113725568B (en) * | 2021-11-01 | 2022-01-04 | 成都广众科技有限公司 | Radio frequency switch matrix and channel switching relation calculation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008072651A (en) * | 2006-09-15 | 2008-03-27 | Auto Network Gijutsu Kenkyusho:Kk | On-vehicle transmitting and receiving apparatus |
| CN101291009A (en) * | 2007-04-16 | 2008-10-22 | 深圳市安泰信电子有限公司 | Microwave switch system of multiple paths and implementing method |
| WO2010085366A2 (en) * | 2009-01-26 | 2010-07-29 | Cymatics Laboratories Corporation | Switchable power combiner |
| CN103682530A (en) * | 2013-12-23 | 2014-03-26 | 北京航天测控技术有限公司 | Tunable S-band channel branching microwave transfer switch |
-
2015
- 2015-07-14 CN CN201510411580.8A patent/CN105119028B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008072651A (en) * | 2006-09-15 | 2008-03-27 | Auto Network Gijutsu Kenkyusho:Kk | On-vehicle transmitting and receiving apparatus |
| CN101291009A (en) * | 2007-04-16 | 2008-10-22 | 深圳市安泰信电子有限公司 | Microwave switch system of multiple paths and implementing method |
| WO2010085366A2 (en) * | 2009-01-26 | 2010-07-29 | Cymatics Laboratories Corporation | Switchable power combiner |
| CN103682530A (en) * | 2013-12-23 | 2014-03-26 | 北京航天测控技术有限公司 | Tunable S-band channel branching microwave transfer switch |
Non-Patent Citations (2)
| Title |
|---|
| Ka波段通信卫星与Ka波段转发器技术;成跃进;《空间电子技术》;20000515(第2期);第25页第1段-第26页第1段，第29页第5-6段及附图1-3 |
| 一种小型化微波开关矩阵;薛江波等;《空间电子技术》;20150415(第2期);第9页左栏-第10页右栏，第19页左栏及附图5、6 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105119028A (en) | 2015-12-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105119028B (en) | A kind of changeable interlinkage transponder of the satellite bandwidth that microwave switching matrix is realized | |
| CN104852749B (en) | Radio circuit and terminal device | |
| CN102301592B (en) | Frequency agile filter using a digital filter and bandstop filtering | |
| WO2016023309A1 (en) | Carrier aggregation device | |
| CN102420625B (en) | Matching circuit, matching circuit network and signal transmit-receive device | |
| CN105553494B (en) | A kind of radio-frequency front-end frequency selection circuit and its signal acceptance method | |
| CN104579411A (en) | Wireless receiving and transmitting circuit compatible with TDD and FDD | |
| CN106921405A (en) | A kind of radio frequency front-end device | |
| CN104506205A (en) | Radio frequency system of software-defined radio receiver | |
| WO2015117433A1 (en) | Radio frequency apparatus | |
| CN207766259U (en) | Frequency division duplex radio circuit and terminal | |
| CN105634705A (en) | Circuitry and methods for time division duplex carrier aggregation | |
| CN210899142U (en) | Radio frequency remote device of double-channel multi-frequency-band mobile communication base station | |
| CN107135007A (en) | A kind of zero intermediate frequency reciver system and its method of reseptance based on software radio | |
| AU2007351736B2 (en) | Method and device for signal combination and different-system same-band antenna-sharing system | |
| CN107395244A (en) | Radio-frequency front-end system and mobile terminal device | |
| CN108964741B (en) | Satellite-borne X-frequency-band high-speed data transmission system | |
| CN108172956B (en) | A kind of microwave combiner | |
| CN105790880A (en) | Radio frequency exchange method based on microwave photon technology | |
| CN203166090U (en) | Base station antenna capable of adjusting polarization direction | |
| CN105655674B (en) | The adjustable microstrip filter of zero point | |
| CN104917569A (en) | Analog-digital mixed radio frequency optical fiber transmission architecture aiming at large-scale antenna array | |
| CN203554433U (en) | Multiband transceiver used for wireless system | |
| CN114362774A (en) | 5G NR LFEM outband suppression zero point reconfigurable structure | |
| CN108736901A (en) | A kind of DDC controllers and corresponding intermediate-freuqncy signal receive processor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |