CN202587110U - Handheld satellite phone indoor answer amplifier - Google Patents
Handheld satellite phone indoor answer amplifier Download PDFInfo
- Publication number
- CN202587110U CN202587110U CN 201220217525 CN201220217525U CN202587110U CN 202587110 U CN202587110 U CN 202587110U CN 201220217525 CN201220217525 CN 201220217525 CN 201220217525 U CN201220217525 U CN 201220217525U CN 202587110 U CN202587110 U CN 202587110U
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- amplifier
- duplexer
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Abstract
A handheld satellite phone indoor answer amplifier comprises an outdoor antenna, a preposed duplexer, an upstream processing unit, a downstream processing unit and a power supply unit. The outdoor antenna is connected with the preposed duplexer, and an output end of the upstream processing unit and an input end of the downstream processing unit are respectively connected with the preposed duplexer. The handheld satellite phone indoor answer amplifier is characterized by further comprising a postposed duplexer and an indoor antenna, wherein the input end of the upstream processing unit and the output end of the downstream processing unit are respectively connected with the postposed duplexer, and the indoor antenna is connected with the output end of the postposed duplexer. The handheld satellite phone indoor answer amplifier resolves the problems that an existing handheld satellite phone in the prior art can not be answered indoors and is unstable in directionality of reception.
Description
Technical field
The utility model relates to the indoor amplifier of answering of a kind of hand-hold type satellite phone, and it belongs to the satellite communication receiving device class.
Background technology
Satellite phone promptly transmits the communication of information based on satellite communication system, also be referred to as the satellite relay communication.Satellite phone is the product of present mobile communication, its major function be fill up existing communication (wire communication, radio communication) terminal can't region covered, like zones such as ocean, remote mountains, deserts, for people's work provides more sound service.There are three large satellite telephone operators in the whole world at present; Comprise international maritime satellite (inmarsat), Ou Xing (Thuraya) and iridium satellite (Iridium); These Cell & Sat have all released the satellite phone terminal of oneself, have released isatphone pro satellite phone terminal such as marine satellite telephone operator, and Ou Xing company has released SO-2510; SG-2520; Satellite phone terminals such as Thuraya XT, said satellite phone terminal equipment are divided into hand-hold type and fixed two kinds again, and exterior aerial and fixing base separated structures form have been taked in fixed satellite phone terminal; Exterior aerial is arranged on outdoor; Be connected to fixedly on the base through circuit, be provided with satellite-signal exterior aerial side processing unit in the said fixedly base, said satellite-signal exterior aerial side processing unit comprises preposition duplexer, up processing unit and downlink processing unit; Said exterior aerial is connected to preposition duplexer; The input of the output of said up processing unit and downlink processing unit is connected to preposition duplexer respectively, and the output of the input of said up processing unit and said downlink processing unit is connected to fixedly interior modulating unit and the demodulating unit of base respectively, and so fixed satellite phone terminal makes at the indoor satellite phone of answering and becomes possibility.Yet for the hand-hold type satellite phone, the problem of a general character of existence is exactly to use in outdoor open place; And can not be in indoor use; Simultaneously, because the signal of satellite phone has directivity, receive unstable; The user of hand-hold type satellite phone also often need just have and answers satellite phone preferably in the outdoor direction of finding accurately; Obviously can only answer satellite phone through the fixedly base of fixed satellite phone indoor, obviously bring many inconvenience to the user, prior art has further improved necessity for this reason.
Summary of the invention
The purpose of the utility model is to provide a kind of hand-hold type satellite phone the indoor amplifier of answering, to solve the problem that prior art exists.
The indoor amplifier of answering of a kind of hand-hold type satellite phone of the utility model; Downlink processing unit, the power subsystem of the gps satellite signal that satellite-signal that comprise exterior aerial, preposition duplexer, handle up processing unit that frequency is the upward signal of 1525 MHz ~ 1660.5 MHz, the processing frequency is 1525 MHz ~ 1559MHz and frequency are 1575.42 MHz; Said exterior aerial is connected to preposition duplexer; The input of the output of said up processing unit and downlink processing unit is connected to preposition duplexer respectively; It is characterized in that also comprising rearmounted duplexer and domestic aerial; The output of the input of said up processing unit and downlink processing unit is connected to rearmounted duplexer respectively, and said domestic aerial is connected to the output of rearmounted duplexer.
As preferably, said exterior aerial and domestic aerial are omnirange high sensitivity satellite antenna.
As preferably; Said up processing unit comprises a up filter unit, up pre-amplifier unit, up secondary filtering unit and up power amplifier unit; The input of a said up filter unit and output are connected to rearmounted duplexer and up pre-amplifier unit respectively; The output of said up pre-amplifier unit is connected to the input of up secondary filtering unit; The output of said up secondary filtering unit is received the input of up power amplifier unit, and the output of said up power amplifier unit is received preposition duplexer.
As aforementioned preferably further preferred, a said up filter unit has adopted SAW filter spare.
As another preferred version; Said downlink processing unit comprises descending pre-amplifier unit, downstream filtering unit and descending power amplifier unit; The input of said descending pre-amplifier unit and output are received the input of preposition duplexer and downstream filtering unit respectively; The output of said downstream filtering unit is connected to descending power amplifier unit, and the output of said descending power amplifier unit is received rearmounted duplexer.
As further improvement, said up pre-amplifier unit and descending pre-amplifier unit constitute by multistage amplifier circuit, preferred as this scheme, and the preamplifying circuit in the said multistage amplifier circuit is a differential amplifier circuit.
As further improving, said up power amplifier unit and descending power amplifier unit constitute by multistage power amplifier.
Indoor tin of amplifier of this hand-hold type satellite phone of the utility model, through omnirange high sensitivity satellite exterior aerial receiving satellite signal, received satellite communication signal and gps signal are through preposition duplexer; And after downlink processing unit processing and amplifying, through rearmounted duplexer, finally launch to the interior space again through domestic aerial; Because exterior aerial has adopted omnirange high sensitivity satellite antenna; For this reason, even the utility model is to be contained on the underway steamer or on the automobile in going, still can to guarantee extraordinary signal quality; Simultaneously because domestic aerial also is an omnirange high sensitivity satellite antenna; So can effectively cover whole room area, answer satellite phone through the utility model at indoor use hand-hold type satellite phone terminal, it goes without doing where take the post as to selection.The reply signal that sends by the hand-hold type satellite phone; After domestic aerial receives, transfer to rearmounted duplexer and form up satellite communication signal; After up processing unit processes processing and amplifying, be transferred to exterior aerial through preposition duplexer again and be transmitted to satellite relay equipment.
Preposition duplexer in the utility model and rearmounted duplexer; Stop-band filter by two groups of different frequencies is formed; Its effect is isolated with transmitting and receiving signal, guarantee to receive and emission operate as normal simultaneously, avoids transmitting being transferred to receiving signalling channel and getting on.
Up filter unit in the utility model has adopted SAW filter spare; The main action principle of said SAW filter (being called for short SAW usually) is to utilize the piezoelectric property of piezoelectric; Utilize input and output transducer (Transducer) to convert the input signal of electric wave to mechanical energy, after treatment, convert mechanical energy to the signal of electricity again; Filter unnecessary signal and noise to reach; Promote the target of signal quality, the advantage of SAW filter spare is stable work in work, and the quality that transmits of guaranteeing the utility model is had positive effect.
In the utility model, the effect of said up secondary filtering unit and downstream filtering unit all is to promote signal quality, can adopt conventional filter circuit, does not do especially limiting at this.
In the utility model; The effect of said descending pre-amplifier unit and up pre-amplifier unit all is signal is carried out preliminary treatment; Promote the driving force of signal, offer final power amplifier unit, said descending pre-amplifier unit and up pre-amplifier unit constitute by multistage amplifier circuit; The effect that is provided with like this is the descending pre-amplifier unit and the up pre-amplifier unit that are made up of multistage amplifier circuit; Particularly preamplifying circuit is under the situation of differential amplifier circuit, to the common-mode signal in the signal of drawing up, positive effect is arranged.Up power amplifier unit and descending power amplifier unit all adopt multistage power amplifier to constitute, and help guaranteeing the signal quality behind the power amplifier.The utility model can also use as the preposition access device of satellite data communication except satisfying that the hand-hold type satellite phone is indoor and answering.
In sum, obviously the purpose of the utility model is achieved.
Description of drawings
Fig. 1 is the indoor amplifier system structured flowchart of answering of a kind of hand-hold type satellite phone that the utility model preferred embodiment is provided.
System architecture diagram after the indoor further refinement of up processing unit and downlink processing unit of answering in the amplifier system structured flowchart of a kind of hand-hold type satellite phone that Fig. 2 provides for this preferred embodiment shown in Figure 1.
Among each figure:
1 is preposition duplexer;
2 is the downlink processing unit;
201 is descending pre-amplifier unit;
202 is the downstream filtering unit;
203 is descending power amplifier unit;
3 is up processing unit;
301 is a up filter unit;
302 is up pre-amplifier unit;
303 is up secondary filtering unit;
304 is up power amplifier unit;
4 is rearmounted duplexer;
5 is power subsystem;
6 is exterior aerial;
7 is domestic aerial;
8 is the hand-hold type satellite phone.
Embodiment
A kind of hand-hold type satellite phone that below will combine the utility model preferred embodiment to be provided is indoor answers amplifier and accompanying drawing is described further the utility model.
The indoor amplifier of answering of a kind of hand-hold type satellite phone that the utility model preferred embodiment is provided; Shown in accompanying drawing 1, accompanying drawing 2; Comprise exterior aerial 6, preposition duplexer 1, up processing unit 3, downlink processing unit 2, power subsystem 5; Said exterior aerial 6 is connected to preposition duplexer 1; The input of the output of said up processing unit 3 and downlink processing unit 2 is connected to preposition duplexer 1 respectively; Its main points are also to comprise rearmounted duplexer 4 and domestic aerial 7, and the output of the input of said up processing unit 3 and downlink processing unit 2 is connected to rearmounted duplexer 4 respectively, and said domestic aerial 7 is connected to the output of rearmounted duplexer 4.In this preferred embodiment, said exterior aerial 6 and domestic aerial 7 have all adopted omnirange high sensitivity satellite antenna.The signal that said domestic aerial 7 is launched is received by hand-hold type satellite phone 8.
In this preferred embodiment; Said up processing unit 3 comprises a up filter unit 301, up pre-amplifier unit 302, up secondary filtering unit 303 and up power amplifier unit 304; The input of a said up filter unit 301 and output are connected to rearmounted duplexer 4 and up pre-amplifier unit 302 respectively; The output of said up pre-amplifier unit 302 is connected to the input of up secondary filtering unit 303; The output of said up secondary filtering unit 303 is received the input of up power amplifier unit 304, and the output of said up power amplifier unit 304 is received preposition duplexer 1.A said up filter unit 301 has adopted SAW filter spare.
In this preferred embodiment; Said downlink processing unit 2 comprises descending pre-amplifier unit 201, downstream filtering unit 202 and descending power amplifier unit 203; The input of said descending pre-amplifier unit 201 and output are received the input of preposition duplexer 1 and downstream filtering unit 202 respectively; The output of said downstream filtering unit 202 is connected to descending power amplifier unit 203, and the output of said descending power amplifier unit 203 is received rearmounted duplexer 4.
In this preferred embodiment, said up pre-amplifier unit 302 and descending pre-amplifier unit 201 constitute by multistage amplifier circuit, and the preamplifying circuit in the said multistage amplifier circuit is a differential amplifier circuit.Simultaneously, said up power amplifier unit 304 and descending power amplifier unit 203 constitute by multistage power amplifier.
In this preferred embodiment, the satellite frequency that said downlink processing unit 2 is handled is 1525 MHz ~ 1559MHz, also receives simultaneously and handles gps satellite signal, frequency 1575.42 MHz;
In this preferred embodiment, the upward signal frequency that said up processing unit 3 is handled is 1525 MHz ~ 1660.5 MHz.
In sum; The indoor amplifier of answering of a kind of hand-hold type satellite phone of the utility model; Comprise exterior aerial, preposition duplexer, up processing unit, downlink processing unit, power subsystem; Said exterior aerial is connected to preposition duplexer; The input of the output of said up processing unit and downlink processing unit is connected to preposition duplexer respectively, it is characterized in that also comprising rearmounted duplexer and domestic aerial, and the output of the input of said up processing unit and downlink processing unit is connected to rearmounted duplexer respectively; Said domestic aerial is connected to the output of rearmounted duplexer, and the utility model has solved hand-hold type satellite phone that prior art exists can not answer and receive the directivity problem of unstable indoor.
The above is merely the embodiment of the utility model.But the utility model protection range is not limited thereto.Any technical staff who is familiar with the present technique field is in the technical scope that the utility model discloses; The variation that can expect easily or replacement; All should be encompassed within the protection range of the utility model, therefore, the protection range of the utility model should be as the criterion with the protection range of claim.
Claims (10)
1. indoor amplifier of answering of hand-hold type satellite phone; Downlink processing unit, the power subsystem of the gps satellite signal that satellite-signal that comprise exterior aerial, preposition duplexer, handle up processing unit that frequency is the upward signal of 1525 MHz ~ 1660.5 MHz, the processing frequency is 1525 MHz ~ 1559MHz and frequency are 1575.42 MHz; Said exterior aerial is connected to preposition duplexer; The input of the output of said up processing unit and downlink processing unit is connected to preposition duplexer respectively; It is characterized in that also comprising rearmounted duplexer and domestic aerial; The output of the input of said up processing unit and downlink processing unit is connected to rearmounted duplexer respectively, and said domestic aerial is connected to the output of rearmounted duplexer.
2. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 1 is characterized in that said exterior aerial and domestic aerial are omnirange high sensitivity satellite antenna.
3. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 1; It is characterized in that said up processing unit comprises a up filter unit, up pre-amplifier unit, up secondary filtering unit and up power amplifier unit; The input of a said up filter unit and output are connected to rearmounted duplexer and up pre-amplifier unit respectively; The output of said up pre-amplifier unit is connected to the input of up secondary filtering unit; The output of said up secondary filtering unit is received the input of up power amplifier unit, and the output of said up power amplifier unit is received preposition duplexer.
4. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 3 is characterized in that a said up filter unit has adopted SAW filter spare.
5. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 1; It is characterized in that said downlink processing unit comprises descending pre-amplifier unit, downstream filtering unit and descending power amplifier unit; The input of said descending pre-amplifier unit and output are received the input of preposition duplexer and downstream filtering unit respectively; The output of said downstream filtering unit is connected to descending power amplifier unit, and the output of said descending power amplifier unit is received rearmounted duplexer.
6. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 3 is characterized in that said up pre-amplifier unit is made up of multistage amplifier circuit.
7. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 5 is characterized in that said descending pre-amplifier unit constitutes by multistage amplifier circuit.
8. according to claim 6 or the indoor amplifier of answering of 7 described a kind of hand-hold type satellite phones, it is characterized in that the preamplifying circuit in the said multistage amplifier circuit is a differential amplifier circuit.
9. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 3 is characterized in that said up power amplifier unit is made up of multistage power amplifier.
10. the indoor amplifier of answering of a kind of hand-hold type satellite phone according to claim 3 is characterized in that said descending power amplifier unit is made up of multistage power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217525 CN202587110U (en) | 2012-05-16 | 2012-05-16 | Handheld satellite phone indoor answer amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220217525 CN202587110U (en) | 2012-05-16 | 2012-05-16 | Handheld satellite phone indoor answer amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202587110U true CN202587110U (en) | 2012-12-05 |
Family
ID=47256466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220217525 Expired - Fee Related CN202587110U (en) | 2012-05-16 | 2012-05-16 | Handheld satellite phone indoor answer amplifier |
Country Status (1)
| Country | Link |
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| CN (1) | CN202587110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847883A (en) * | 2018-07-25 | 2018-11-20 | 苏州阿清智能科技有限公司 | A kind of day messenger bi-directional relaying device and method |
-
2012
- 2012-05-16 CN CN 201220217525 patent/CN202587110U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108847883A (en) * | 2018-07-25 | 2018-11-20 | 苏州阿清智能科技有限公司 | A kind of day messenger bi-directional relaying device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150516 |
|
| EXPY | Termination of patent right or utility model |