CN201226518Y - Frequency shift companding relay station and relay device - Google Patents
Frequency shift companding relay station and relay device Download PDFInfo
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- CN201226518Y CN201226518Y CNU2008200080006U CN200820008000U CN201226518Y CN 201226518 Y CN201226518 Y CN 201226518Y CN U2008200080006 U CNU2008200080006 U CN U2008200080006U CN 200820008000 U CN200820008000 U CN 200820008000U CN 201226518 Y CN201226518 Y CN 201226518Y
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Abstract
The utility model discloses a frequency-shifting companding relay station and a relay device, and the relay station is a main computer or an accessory computer and comprises a diplexer and a circulator, wherein, the diplexer is used for isolating signals which come from a base station from received signals or isolating and transmitting singles to be delivered to the base station; the circulator is used for isolating and transmitting relay signals to be delivered through an antenna or isolating the relay signals received by the antenna; the diplexer is connected with a downlink promoting amplifier which treats downlink signals; the downlink promoting amplifier is connected with a frequency conversion compressor of frequency conversion signals; the frequency conversion compressor is connected with a downlink power amplifier; the downlink power amplifier is connected with the circulator; the circulator is connected with an uplink low noise amplifier which treats uplink signals; the low noise amplifier is connected with a dividing amplifying redactor of frequency conversion dividing amplifying signals; the dividing amplifying redactor is connected with an uplink promoting amplifier; and the uplink promoting amplifier is connected with the diplexer. The utility model also discloses the delay device.
Description
Technical field
The utility model relates to communication technical field, is meant a kind of shift frequency companding relay station and trunking especially.
Background technology
In mobile communication equipment, because a lot of landform are not suitable for setting up the mobile base station, as tunnel, hummock, high-lager building, landform depression etc., particularly in the high buildings and large mansions in urban district, or the massif in suburb and woods area, the signal that exists landform to stop to be brought disturbs, therefore, when these areas being carried out the signal covering, adopt the repeater to cover usually.Existing repeater mainly contains intra-frequency repeater, optical fiber repeater, frequency-shift repeater etc.
When adopting intra-frequency repeater, according to its work characteristics requirement, infield, intra-frequency repeater place must be visual with the base station direction, the centre can not have barrier to stop, simultaneously, requirement can receive the higher signal of base station of quality in the infield, and between donor antenna and service antenna very strict insulated degree requirement will be arranged.Therefore intra-frequency repeater is not suitable for the signal covering of special geographical environment;
When adopting optical fiber repeater, be divided into near-end machine, remote termination two parts, utilize optical cable to carry out the transmission of signal between, the far-end near because of it, and in some remote mountain areas, knob, forest, grassland, sea level, scenic spot and be not suitable for fiber plant, there are constructional difficulties, the construction period is long, project cost is high problem;
When adopting frequency-shift repeater, utilize middle and high frequency wireless signal to communicate between the host and slave processors, space attenuation according to middle and high frequency signal is big, a little less than the diffracting power, the nearer transmission characteristic of transmission range, require to have between the host and slave processors barrier to intercept, has visuality, simultaneously, because of its space attenuation big, determined that also distance is unsuitable long between the host and slave processors, because of drawing, also be not suitable under special geographical environments such as some remote mountain areas, knob, forest, grassland, sea level, scenic spot, carrying out mobile network signals and cover.
In above-mentioned extreme terrain, existing these repeaters are not suitable for the signal that the obstacle area is arranged and cover.
The utility model content
In view of this, the utility model is to provide a kind of shift frequency companding relay station and trunking, and above-mentioned existing repeater is inapplicable a problem that stops building terrain data transmission to solve.
For addressing the above problem, the utility model provides a kind of shift frequency companding relay station main frame, comprising:
Duplexer is used for separating from signal of base station from the signal that receives, or isolates signal to be sent and transfer to the base station;
Circulator is used to isolate repeating signal to be sent and sends by antenna, or isolates the repeating signal that receives from antenna;
The following line-driving amplifier of described duplexer connection processing downstream signal, described line-driving amplifier down connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects downlink power amplifier, and described downlink power amplifier connects circulator;
The up low noise amplifier of described circulator connection processing upward signal, described low noise amplifier connects the despreading reductor of frequency conversion despread signal, and described despreading reductor connects goes up line-driving amplifier, and the described line-driving amplifier of going up connects duplexer.
Preferably, also be connected between described duplexer and the described circulator frequency conversion parameter control unit is set.
Preferably, described duplexer connects the base station by coupling unit, and described coupling unit comprises interconnective wired coupling unit and aerial coupling unit, wherein, wired coupling unit comprises base station coupler and coupling cable, and aerial coupling unit comprises coupled antenna and the feeder line towards the base station direction.
The utility model provides a kind of shift frequency companding relay station slave, comprising:
Duplexer is used for separating from antenna receiving signal the signal of self terminal, and the signal that maybe will be sent to terminal sends by antenna;
Circulator is used to isolate repeating signal to be sent and sends by antenna, or isolates the repeating signal that receives from antenna;
The descending low noise amplifier of described circulator connection processing downstream signal, described descending low noise amplifier connects the decompress(ion) reductor of frequency conversion despread signal, and described decompress(ion) reductor connects downlink power amplifier, and described downlink power amplifier connects duplexer;
The up low noise amplifier of described duplexer connection processing upward signal, described low noise amplifier connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects the ascending power amplifier, and described ascending power amplifier connects circulator.
Preferably, also be connected between described duplexer and the described circulator frequency conversion parameter control unit is set.
The utility model also provides a kind of trunking, comprising: interconnective base station and main frame, and the slave of communicating by letter with described host data,
Described main frame comprises:
Duplexer is used for separating from signal of base station from the signal that receives, or isolates signal to be sent and transfer to the base station;
Circulator is used to isolate repeating signal to be sent and sends by antenna, or isolates the repeating signal that receives from antenna;
The following line-driving amplifier of described duplexer connection processing downstream signal, described line-driving amplifier down connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects downlink power amplifier, and described downlink power amplifier connects circulator;
The up low noise amplifier of described circulator connection processing upward signal, described low noise amplifier connects the despreading reductor of frequency conversion despread signal, and described despreading reductor connects goes up line-driving amplifier, and the described line-driving amplifier of going up connects duplexer;
Described slave comprises:
Duplexer is used for separating from antenna receiving signal the signal of self terminal, and the signal that maybe will be sent to terminal sends by antenna;
Circulator is used to isolate repeating signal to be sent and sends by antenna, or isolates the repeating signal that receives from antenna;
The descending low noise amplifier of described circulator connection processing downstream signal, described descending low noise amplifier connects the decompress(ion) reductor of frequency conversion despread signal, and described decompress(ion) reductor connects downlink power amplifier, and described downlink power amplifier connects duplexer;
The up low noise amplifier of described duplexer connection processing upward signal, described low noise amplifier connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects the ascending power amplifier, and described ascending power amplifier connects circulator.
Preferably, comprising: also be connected between the duplexer of described main frame and described slave and the circulator frequency conversion parameter control unit is set.
Preferably, described duplexer connects the base station by coupling unit, and described coupling unit comprises interconnective wired coupling unit and aerial coupling unit, wherein, wired coupling unit comprises base station coupler and coupling cable, and aerial coupling unit comprises coupled antenna and the feeder line towards the base station direction.
Preferably, described main frame and slave are handled the signal of frequency between 100MHZ to 500MHZ.
Relay station in the utility model and trunking can be with the transmission of the low frequency signal between the intermediate-freuqncy signal boil down to 100MHz to 500MHz, and low frequency signal can be a band frequency scope of a frequency, a plurality of frequency or 1M to 4M bandwidth.To guarantee the transfer of data between main frame and the slave, satisfying is having under the building of stopping normal transfer of data between the base station and terminal.
Description of drawings
Fig. 1 is the structure chart of main frame among the embodiment;
Fig. 2 is the structure chart of slave among the embodiment;
Fig. 3 is the cut-away view of frequency conversion compressor reducer or decompress(ion) reductor;
Fig. 4 is the schematic diagram of downlink signal transmissions in the equipment;
Fig. 5 is the schematic diagram of uplink signal transmission in the equipment.
Embodiment
For clearly demonstrating the technical scheme in the utility model, provide preferred embodiment below and be described with reference to the accompanying drawings.
Relay station in the utility model comprises main frame and slave, main frame will be from signal of base station compression back by low-frequency transmission to slave, slave receives despreading behind the signal of main frame, and is sent to portable terminal by high frequency; Slave will from after the Signal Compression of portable terminal by low-frequency transmission to main frame, main frame receives despreading behind the signal of slave, and transfers to core net.
The structure chart of main frame and slave can be referring to Fig. 1 and Fig. 2, in the base station to the down link of terminal, after the downstream signal of base station receives through coupling unit, arrive the main frame of companding relay station, at first go out downstream signal by diplexer separates, downstream signal after separating inputed to down in the line-driving amplifier amplify, the signal that enters the generation of frequency conversion compressor reducer and local oscillator generation unit (PLL) then carries out mixing, and with the Signal Compression after the mixing in the 1M-4M bandwidth, realize the frequency conversion compression of downstream signal, simultaneously, signal after the frequency conversion compression amplifies and filtering in the inside of frequency conversion compressor reducer, delivers to downlink power amplifier then, finishes the amplification to signal, signal after the power amplification is delivered to circulator again, by circulator signal is delivered to the relaying antenna transmission to slave.Wherein, described coupling unit comprises interconnective wired coupling unit and aerial coupling unit, and wherein, wired coupling unit comprises base station coupler and coupling cable, and aerial coupling unit comprises coupled antenna and the feeder line towards the base station direction.
Slave receives the signal that main frame sends over from the relaying antenna after, at first isolate downstream signal by circulator, signal after the separation inputs in the descending low noise amplifier and amplifies, the signal that enters decompress(ion) reductor and PLL generation then carries out mixing, and the decompress(ion) of finishing downstream signal reduces, amplify and filtering, delivering to downlink power amplifier then amplifies as-reduced signal, signal after the amplification is delivered to duplexer again, deliver to service antenna through duplexer, be sent to terminal at last, amplify thereby finish the reduction of downstream signal in slave, finish covering the blind area.
On the up link of terminal to base station, the service antenna of slave receives the upward signal of terminal emission, transfer to duplexer by feeder line, duplexer is to after isolating upward signal, deliver to low noise amplifier, in low noise amplifier, upward signal is carried out suitable amplification, signal after the amplification is delivered to the frequency conversion compressor reducer, the signal that produces with PLL in the frequency conversion compressor reducer carries out mixing, and with the Signal Compression after the mixing in the 1M-4M bandwidth, realize the frequency conversion compression of upward signal, in the frequency conversion compressor reducer, the upward signal after the frequency conversion compression is amplified and filtering simultaneously, the outer spurious signal of filtering band, then upward signal is delivered to the ascending power amplifier again, finish the power amplification of upward signal, by circulator signal is delivered to the relaying antenna again, to main frame, finish the forwarding of upward signal by the emission of relaying antenna.
The relaying antenna of main frame receives the upward signal that slave launches, transfer to circulator through feeder line, on in circulator, isolating behind the shape signal, deliver to up low noise amplifier, in low noise amplifier, upward signal is carried out suitable amplification, signal after the amplification is delivered to the decompress(ion) reductor, the signal that produces with PLL in the decompress(ion) reductor carries out mixing, realization is to the decompress(ion) reduction of frequency conversion compressed signal, simultaneously, at the decompress(ion) reductor as-reduced signal is amplified and filtering, the filtering band is outer spuious, upward signal is delivered in the line-driving amplifier again amplified then, and the upward signal after will amplifying is delivered in the duplexer, be sent to continuous coupling unit by duplexer and deliver to the base station, finish the forwarding of upward signal in main process equipment.
In optical mixing process, the PLL unit produces the high-frequency local oscillation signal, this high-frequency local oscillation signal is mainly used in the frequency inverted of frequency conversion compressor reducer or decompress(ion) reductor, utilize this local oscillation signal that intermediate-freuqncy signal is mixed to low frequency signal or low frequency signal is converted to intermediate-freuqncy signal, so that filter carries out filtering to being with outer spurious signal.
On last/downstream signal link, host and slave processors can be provided with and inquire about the gain of each unit of complete machine, power, working channel, frequency conversion channel etc. by control unit.
In the middle of main frame or slave, the cut-away view of frequency conversion compressor reducer or decompress(ion) reductor can be referring to Fig. 3, this unit comprises filter, amplifier, frequency conversion compression (decompress(ion) reduction) device, after signal involves suitable amplification after filtration, carry out mixing with high-precision local oscillator, radiofrequency signal compression (or decompress(ion)) to 1M-4M (initial bandwidth), is exported after process amplification and the filtering again.
Trunking in the utility model comprises main frame and parallel operation, and the schematic diagram that signal transmits can be referring to Fig. 4, Fig. 5, and main frame is connected to the base station, slave according to the design and installation of network optimization in the appointed place.
Relay station in the utility model and trunking can be with the transmission of the low frequency signal between the intermediate-freuqncy signal boil down to 100MHz to 500MHz, and low frequency signal can be a band frequency scope of a frequency, a plurality of frequency or 1M to 4M bandwidth.To guarantee the transfer of data between main frame and the slave, satisfying is having under the building of stopping normal transfer of data between the base station and terminal.
For relay station, the trunking of being set forth among each embodiment of the utility model, all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1, a kind of shift frequency companding relay station main frame is characterized in that, comprising:
Duplexer is used for separating from signal of base station from the signal that receives, or isolates signal to be sent and transfer to the base station;
Circulator is used to isolate signal to be sent and sends by antenna, or isolates the signal that receives from antenna;
The following line-driving amplifier of described duplexer connection processing downstream signal, described line-driving amplifier down connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects downlink power amplifier, and described downlink power amplifier connects circulator;
The up low noise amplifier of described circulator connection processing upward signal, described low noise amplifier connects the despreading reductor of frequency conversion despread signal, and described despreading reductor connects goes up line-driving amplifier, and the described line-driving amplifier of going up connects duplexer.
2, a kind of shift frequency companding relay station main frame according to claim 1 is characterized in that, also is connected between described duplexer and the described circulator frequency conversion parameter control unit is set.
3, a kind of shift frequency companding relay station main frame according to claim 1, it is characterized in that, described duplexer connects the base station by coupling unit, described coupling unit comprises interconnective wired coupling unit and aerial coupling unit, wherein, wired coupling unit comprises base station coupler and coupling cable, and aerial coupling unit comprises coupled antenna and the feeder line towards the base station direction.
4, a kind of shift frequency companding relay station slave is characterized in that, comprising:
Duplexer is used for separating from antenna receiving signal the signal of self terminal, and the signal that maybe will be sent to terminal sends by antenna;
Circulator is used to isolate signal to be sent and sends by antenna, or isolates the signal that receives from antenna;
The descending low noise amplifier of described circulator connection processing downstream signal, described descending low noise amplifier connects the decompress(ion) reductor of frequency conversion despread signal, and described decompress(ion) reductor connects downlink power amplifier, and described downlink power amplifier connects duplexer;
The up low noise amplifier of described duplexer connection processing upward signal, described low noise amplifier connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects the ascending power amplifier, and described ascending power amplifier connects circulator.
5, a kind of shift frequency companding relay station slave according to claim 4 is characterized in that, also is connected between described duplexer and the described circulator frequency conversion parameter control unit is set.
6, a kind of trunking is characterized in that, comprising: interconnective base station and main frame, and the slave of communicating by letter with described host data,
Described main frame comprises:
Duplexer is used for separating from signal of base station from the signal that receives, or isolates signal to be sent and transfer to the base station;
Circulator is used to isolate repeating signal to be sent and sends by antenna, or isolates the repeating signal that receives from antenna;
The following line-driving amplifier of described duplexer connection processing downstream signal, described line-driving amplifier down connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects downlink power amplifier, and described downlink power amplifier connects circulator;
The up low noise amplifier of described circulator connection processing upward signal, described low noise amplifier connects the despreading reductor of frequency conversion despread signal, and described despreading reductor connects goes up line-driving amplifier, and the described line-driving amplifier of going up connects duplexer;
Described slave comprises:
Duplexer is used for separating from antenna receiving signal the signal of self terminal, and the signal that maybe will be sent to terminal sends by antenna;
Circulator is used to isolate repeating signal to be sent and sends by antenna, or isolates the repeating signal that receives from antenna;
The descending low noise amplifier of described circulator connection processing downstream signal, described descending low noise amplifier connects the decompress(ion) reductor of frequency conversion despread signal, and described decompress(ion) reductor connects downlink power amplifier, and described downlink power amplifier connects duplexer;
The up low noise amplifier of described duplexer connection processing upward signal, described low noise amplifier connects the frequency conversion compressor reducer of frequency conversion compressed signal, and described frequency conversion compressor reducer connects the ascending power amplifier, and described ascending power amplifier connects circulator.
7, a kind of trunking according to claim 6 is characterized in that, comprising: also be connected between the duplexer of described main frame and described slave and the circulator frequency conversion parameter control unit is set.
8, a kind of trunking according to claim 6, it is characterized in that, described duplexer connects the base station by coupling unit, described coupling unit comprises interconnective wired coupling unit and aerial coupling unit, wherein, wired coupling unit comprises base station coupler and coupling cable, and aerial coupling unit comprises coupled antenna and the feeder line towards the base station direction.
9, a kind of trunking according to claim 6 is characterized in that, described main frame and slave are handled the signal of frequency between 100MHZ to 500MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200080006U CN201226518Y (en) | 2008-07-11 | 2008-07-11 | Frequency shift companding relay station and relay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200080006U CN201226518Y (en) | 2008-07-11 | 2008-07-11 | Frequency shift companding relay station and relay device |
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| Publication Number | Publication Date |
|---|---|
| CN201226518Y true CN201226518Y (en) | 2009-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200080006U Expired - Fee Related CN201226518Y (en) | 2008-07-11 | 2008-07-11 | Frequency shift companding relay station and relay device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965067A (en) * | 2010-09-27 | 2011-02-02 | 芯通科技（成都）有限公司 | Method used for establishing communication link between near-end machine and far-end in frequency shift companding system |
| CN105743558A (en) * | 2016-01-25 | 2016-07-06 | 山东大学 | Two-way full duplex relay system using shared large-scale antenna arrays |
| CN111464194A (en) * | 2020-04-10 | 2020-07-28 | 纳瓦电子（上海）有限公司 | Wireless signal transfer system and wireless signal transfer method |
-
2008
- 2008-07-11 CN CNU2008200080006U patent/CN201226518Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101965067A (en) * | 2010-09-27 | 2011-02-02 | 芯通科技（成都）有限公司 | Method used for establishing communication link between near-end machine and far-end in frequency shift companding system |
| CN101965067B (en) * | 2010-09-27 | 2013-05-08 | 成都芯通科技股份有限公司 | Method used for establishing communication link between near-end machine and far-end in frequency shift companding system |
| CN105743558A (en) * | 2016-01-25 | 2016-07-06 | 山东大学 | Two-way full duplex relay system using shared large-scale antenna arrays |
| CN111464194A (en) * | 2020-04-10 | 2020-07-28 | 纳瓦电子（上海）有限公司 | Wireless signal transfer system and wireless signal transfer 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: 20090422 Termination date: 20140711 |
|
| EXPY | Termination of patent right or utility model |