CN203014800U - Wireless signal receiving and transmitting antenna system and signal coupling amplifying device - Google Patents
Wireless signal receiving and transmitting antenna system and signal coupling amplifying device Download PDFInfo
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- CN203014800U CN203014800U CN2013200037331U CN201320003733U CN203014800U CN 203014800 U CN203014800 U CN 203014800U CN 2013200037331 U CN2013200037331 U CN 2013200037331U CN 201320003733 U CN201320003733 U CN 201320003733U CN 203014800 U CN203014800 U CN 203014800U
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Abstract
The utility model discloses a wireless signal receiving and transmitting antenna system and a signal coupling amplifying device. The wireless signal receiving and transmitting antenna system comprises a plurality of feeder cable branches, and first antennas distributed in different areas and connected with the input ends of the feeder cable branches; the output end of each feeder cable branch is connected with a base station; and a signal coupling amplifying device is connected in series onto each feeder cable branch. Each signal coupling amplifying device comprises a second antenna, an amplifier and a directional coupler, wherein the second antenna is used for receiving uplink signals transmitted to the base station by the terminal equipment in the area of the first antenna; the amplifier is used for amplifying the uplink signals received by the second antenna; and the directional coupler is connected in series on the feeder cable branch and connected with the amplifier, and used for coupling the uplink signals amplified by the amplifier to the feeder cable branch and then transmitting the signals to the base station. The wireless signal receiving and transmitting antenna system and the signal coupling amplifying device has the advantages of effectively improving the signal to noise ratio of the uplink signals in the wireless communication network, expanding the coverage of wireless signals, and providing the communication rate of the wireless receiving and transmitting system.
Description
Technical field
The utility model relates to field of wireless communication, relates in particular to a kind of wireless signal dual-mode antenna system and signal coupling amplifying device.
Background technology
Along with the development of wireless network, 3G and 4G technology, existing wireless communication networks is more and more higher to the requirement of the bandwidth of the scope that covers, transmission and antijamming capability.At present, the method for expansion wireless communication networks coverage is mainly to improve the transmitting power of base station.But improving the transmitting power of base station to certain intensity in the both-way communication system, can not increase the coverage of base station, is mainly the restriction due to the transmitting power that is subject to terminal equipment.Because the transmitting power of terminal equipment is considered the life-span of battery and on the impact of health in design, its transmitting power is far smaller than the transmission power level of base station, therefore in the situation that the distance base station is distant or have building to block, the signal to noise ratio when upward signal of terminal equipment emission arrives the base station will be very little, the base station is receiving demodulation effectively, therefore also just can't complete communication task, so that the user occurring usually finds that in use the signal of base station is very good, but slow in the extreme in the time of download file, the phenomenon that postpones or go offline also usually appears.
Usually, wireless communication networks has the covering of wireless signal in order to guarantee the zone, and wireless signal dual-mode antenna system need to be set in the signal receiving area.After wireless signal dual-mode antenna system receives the downstream signal of base station emission, the signal of base station is evenly distributed in the signal receiving area to reach the covering of wireless signal; Simultaneously, after the upward signal of terminal equipment emission, be sent to the base station through feeder in wireless signal dual-mode antenna system receiving area.Wherein, wireless signal dual-mode antenna system common are domestic aerial compartment system and exterior aerial compartment system.Although existing wireless signal dual-mode antenna system can enlarge the coverage of wireless signal, still there is drawback in it.Take the domestic aerial compartment system as example: Fig. 1 shows the indoor signal distribution schematic diagram of existing domestic aerial compartment system.Can find out as Fig. 1, in the domestic aerial compartment system, by the coupling of mixer and signal distributor be distributed to equably each floor along separate routes, realize the covering of wireless communication signals by the signal of base station emission.But by data in figure as can be known, the downstream signal of base station emission is connected with the connection all parts by signal coupler, signal distributor after feeder, and the signal that arrives antenna generally has the above decay of 20DB.For the both-way communication system, from the base station to the passage of terminal up-downgoing, process object and the decay be all the same, therefore the upward signal that sends from terminal equipment is connected after feeder passes back to each base station by mixer, signal distributor and connection all parts after antenna reception, also has the above signal attenuation of 20DB.Because there is more serious decay in the upward signal that sends from terminal equipment after the feeder transmission of antenna compartment system, therefore make upward signal arrive the signal to noise ratio of base station still very little, thereby can't realize good communicating by letter between base stations in wireless communication networks and terminal equipment.
The utility model content
Utility model purpose of the present utility model is to provide a kind of wireless signal dual-mode antenna system, with the signal to noise ratio that promotes upward signal, make between base station and the terminal equipment in cordless communication network and can carry out good communicating by letter.
Provide a kind of wireless signal dual-mode antenna system according to embodiment of the present utility model, comprise some feeder branch roads; The first antenna that is distributed in zones of different and is connected with the input of every feeder branch road is in order to receive terminal equipment in its region to the upward signal of base station emission; The output of every feeder branch road is connected with the base station, is serially connected with the signal coupling amplifying device on described at least one feeder branch road, and described signal coupling amplifying device comprises:
The second antenna is arranged at the first antenna region of feeder branch road that this signal coupling amplifying device is connected in series, is used for receiving the upward signal that the terminal equipment in this zone is launched to the base station;
Amplifier is connected with the second antenna, is used for the upward signal of the second antenna reception is amplified;
Directional coupler is serially connected with on the described feeder branch road that connects between the first antenna and described base station, and is connected with described amplifier, is used for that the upward signal that described amplifier amplifies is coupled to described feeder branch road and sends to the base station.
Described signal coupling amplifying device also comprises power module, and described power module input is connected with telephone wire, and its output is connected with described amplifier, and being used for utilizing the light current of described telephone wire is described amplifier power supply.
Described signal coupling amplifying device comprises power module and power supply adaptor, wherein,
The input of described power supply adaptor is connected with AC power, and its output is connected with the input of described power module, inputs to described power module after being used for High Level AC Voltage is transformed to low-voltage DC;
The output of described power module is connected with described amplifier, and the described low-voltage DC that is used for described power supply adaptor conversion is described amplifier power supply.
Preferably, the amplifier in described signal coupling amplifying device is low noise amplifier.
Perhaps, the amplifier in described signal coupling amplifying device is casacade multi-amplifier.
Preferably, be provided with filter between described casacade multi-amplifier, be used for the component of the characteristic frequency of filtration upward signal.
Preferably, described signal coupling amplifying device is arranged in the feeder branch road position near the first antenna.
Preferably, the second antenna comprises a plurality of antennas.
A kind of signal coupling amplifying device, it is installed on the feeder branch road of wireless signal dual-mode antenna system, the first antenna that is connected with the input of every feeder branch road is distributed in zones of different, in order to receive terminal equipment in its region to the upward signal of base station emission; The output of every feeder branch road is connected with the base station, and described device comprises:
The second antenna be used for to receive the upward signal that the terminal equipment in the first antenna region is launched to the base station;
Amplifier is connected with the second antenna, and the upward signal that is used for the second electric wire is received amplifies;
Directional coupler is serially connected with on described feeder branch road and with described amplifier and is connected, and is used for that the upward signal that described amplifier amplifies is coupled to described feeder branch road and launches to the base station.
As shown from the above technical solution, the wireless signal dual-mode antenna system in the utility model adds the signal coupling amplifying device at the feeder branch road near the position of existing antenna.The upward signal of signal coupling amplifying device receiving terminal apparatus emission, and upward signal is amplified be sent to the base station after being coupled in the feeder branch road after several times.The upward signal that receives due to the signal coupling amplifying device can balance out the decay of upward signal in antenna and base-station transmission process when transmitting in feeder, therefore the utility model can improve the signal to noise ratio of upward signal in cordless communication network effectively, enlarge the coverage of wireless signal, improve the communication speed of wireless transceiver system.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art.Apparently, the accompanying drawing in below describing is only embodiment more of the present utility model, for those of ordinary skills, can also obtain according to these accompanying drawing illustrated embodiments other embodiment and accompanying drawing thereof.
Fig. 1 shows the indoor signal distribution schematic diagram of existing domestic aerial compartment system;
Fig. 2 shows the structural representation of the system of wireless signal dual-mode antenna in embodiment 1;
Fig. 3 shows the structural representation of power supply is provided for amplifier by alternating current in the signal coupling amplifying device;
Fig. 4 shows the structure chart of the system of wireless signal dual-mode antenna in embodiment 2.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Yet, need to prove, many details of listing in specification are only in order to make the reader to one or more aspects of the present utility model, a thorough understanding be arranged, even if do not have these specific details also can realize these aspects of the present utility model.
Main thought of the present utility model is: in existing wireless communications network, due to all parts of upward signal in feeder and system of the emission of the antenna reception terminal equipment in wireless signal dual-mode antenna system arrive exist behind the base station serious decay so that signal to noise ratio very little.If want to increase the signal to noise ratio of upward signal in existing wireless signal dual-mode antenna system, will increase the signal strength signal intensity of upward signal, but the transmitting power of terminal equipment can not be changed, upward signal can not change through the decay in feeder transmission yet, therefore can only increase wireless signal dual-mode antenna system receive upward signal receiving sensitivity.Wireless signal dual-mode antenna of the present utility model system adds the signal coupling amplifying device at each feeder branch road near the position of antenna, the upward signal of signal coupling amplifying device receiving terminal apparatus emission, and be transferred to the base station after upward signal is amplified and after the upward signal coupling of the antenna reception on original feeder branch road.The upward signal that receives due to the signal coupling amplifying device can balance out the decay of upward signal in antenna and base-station transmission process when transmitting in feeder, so the utility model can improve the signal to noise ratio of upward signal effectively.
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is elaborated.
Embodiment 1:
Fig. 2 shows the structural representation of the system of wireless signal dual-mode antenna in embodiment 1.As shown in Figure 2, the wireless signal dual-mode antenna system in the present embodiment comprises some feeder branch roads 10 and the first antenna 20 that is distributed in zones of different and is connected with the input of every feeder branch road 10.The first antenna 20 is in order to transmit and receive base station in its region and the descending and upward signal between terminal equipment.The input of each feeder branch road 10 connects the first antenna 20, and output is connected with the base station by feeder.Be connected to signal coupling amplifying device 40 on each feeder branch road 10 and near the location strings of the first antenna 20.
Signal coupling amplifying device 40 specifically comprises:
The second antenna 401 is arranged at the first antenna 20 regions of feeder branch road 10 that signal coupling amplifying device 40 is connected in series, be used for receiving terminal equipment in this zone to the base station 30 upward signals of launching.In the present embodiment, the second antenna 401 adopts passive antenna.And the second antenna can be a passive antenna, also can comprise a plurality of passive antennas.It is exemplary that the second antenna 401 adopts passive antenna, and the every antenna that can accept communication signal all falls into protection range of the present utility model.
Further, the outside of the signal coupling amplifying device 40 in the utility model embodiment also is provided with three prevention at radio-frequency port:
Output port (TO RADIO), the feeder branch road 10 that access is connected with base station 30;
First input end mouth (TO ANTENNA), the feeder that access is connected with the first antenna 20;
The second input port (TO RX ANTENNA) connects the second antenna 401.
Signal coupling amplifying device 40 in the utility model also comprises power module 406.The input of power module 406 is connected with telephone wire, and its output is connected with amplifier 402.Power module 406 utilizes the light current in telephone wire to be 40 power supplies of signal coupling amplifying device.Because the power supply of directional coupler 403 can be provided by the feeder of wireless signal dual-mode antenna system, the second antenna 401 is passive antenna, so in signal coupling amplifying device 40,406 of power modules are required to be amplifier 402 power supplies.
Be arranged in the furred ceiling at top, house due to the wireless signal dual-mode antenna system in the utility model or outdoor shelter more, comparatively inconvenience of alternating-current power supply access, and in the utility model, signal coupling amplifying device 40 arranges near the first antenna 20, therefore can be very inconvenient to amplifier 402 power supplies in signal coupling amplifying device 40.The power consumption of amplifier 402 is not high, if the feeder in traction wireless signal dual-mode antenna system is amplifier 402 power supplies, cost is higher.Because telephone wire is light current, and convenient traction, so in the utility model, the employing telephone wire is amplifier 402 power supplies, thus also make production cost of the present utility model lower.Adopting the light current in telephone wire is that low noise amplifier 402 is powered as the known technology of the art, repeats no more herein.
When the first antenna 20 in the utility model be arranged on obtain AC power more convenient local time, 402, the amplifier in the utility model can adopt 406 pairs of amplifiers power supplies of power supply adaptor 408 and power module.Fig. 3 shows the structural representation of power supply is provided for amplifier 402 by alternating current in signal coupling amplifying device 40 in the utility model.As shown in Figure 3, the input of power supply adaptor 408 is connected with AC power, and its output is connected with the input of power module 406, is input to power module 406 after being used for High Level AC Voltage is transformed to low-voltage DC.The output of power module 406 is connected with amplifier 402, is used to amplifier 402 power supplies.
In addition, power module 406 also can be solar cell.Directly provide power supply for amplifier 402 by solar cell.Certainly, several electric supply installations that in the present embodiment, signal coupling amplifying device 40 adopts are exemplary, and every electric supply installation that can provide operating voltage for amplifier 402 easily and can work all falls into protection range of the present utility model.
Now the operation principle of wireless signal dual-mode antenna system in the utility model is described in detail.
When the terminal equipment in cordless communication network during to base station 30 transmit uplink signal, the first antenna 20 that connects on every feeder branch road 10 receive upward signals and with the uplink signal transmissions that receives in feeder branch road 10.Simultaneously, the second antenna 401 in the signal coupling amplifying device 40 that arranges on every feeder also receives and the upward signal that receives is sent in low noise amplifier 402 upward signal of terminal equipment emission; Low noise amplifier is input in directional coupler 403 after upward signal is amplified.The upward signal that directional coupler 403 receives the second antenna 401 is coupled in feeder branch road 10 and 30 transmissions to the base station.The upward signal that receives due to the second antenna 401 in signal coupling amplifying device 40 can balance out upward signal in the decay of being transmitted to the feeder base station 30 by antenna, so the utility model can improve the signal to noise ratio of upward signal effectively.
Embodiment 2:
The structure of the wireless signal dual-mode antenna system in embodiment 2 in the structure of wireless signal dual-mode antenna system and embodiment 1 is substantially similar, and its difference is that the structure of amplifier 402 in signal coupling amplifying device 40 is different.In the present embodiment, for the upward signal that the second antenna 401 is received further amplifies, amplifier adopts casacade multi-amplifier.Casacade multi-amplifier in the present embodiment is take dual-stage amplifier as example, and Fig. 4 shows the structure chart of signal coupling amplifying device 40 in embodiment 2.As shown in Figure 4, casacade multi-amplifier comprises one-level amplifier 404 and two-stage amplifier 405, and one-level amplifier 404 and two-stage amplifier 405 are low noise amplifier.Power module 406 is the amplifier power supply.Power module 406 kinds that adopt in power module 406 in the present embodiment and embodiment 1 are identical, repeat no more herein.
Further, also be provided with filter 407 between the one-level amplifier 404 in the casacade multi-amplifier in the present embodiment and two-stage amplifier 405.By filter 407 is set between casacade multi-amplifier, the upward signal that this device is received the second antenna 401 carries out filtering so that the upward signal of characteristic frequency enters directional coupler 403, realizes the upward signal of characteristic frequency is screened.
In the present embodiment in the operation principle of wireless signal dual-mode antenna system and embodiment 1 operation principle of wireless signal dual-mode antenna system identical, give unnecessary details no longer in detail herein.
The second antenna 401 in the utility model can be determined by receive frequency as required.Present 3G, the two-way wireless communication network of Wi-Fi or 4G all can utilize the utility model to improve the signal to noise ratio of its upward signal.
Preferably, the second antenna 401 in the utility model and signal coupling amplifying device 40 are for removably connecting.Therefore the different structure selected as required for the user of the second antenna 401 of the present utility model or the antenna of different size.
Embodiment in the utility model is not only applicable to the domestic aerial compartment system that existing telecom operators use, also applicable to broadcasting and TV, the systems such as electric power or enterprise network are carried out in the chamber subsystem of both-way communication, also or be the antenna compartment system of the use in subway.
Also provide upward signal processing method in a kind of wireless signal dual-mode antenna system according to embodiment of the present utility model, the method adopts above-mentioned wireless signal dual-mode antenna system, and the method comprises:
The first antenna 20 and the second antenna 401 receive the upward signal of terminal equipment 30 emissions to the base station in its region;
Amplifier amplifies the upward signal that described the second antenna 401 receives;
The above is only preferred embodiment of the present utility model, is not be used to limiting protection range of the present utility model.All within spirit of the present utility model and principle, any modification of doing, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (10)
1. a wireless signal dual-mode antenna system, comprise some feeder branch roads; The first antenna that is distributed in zones of different and is connected with the input of every feeder branch road is in order to receive terminal equipment in its region to the upward signal of base station emission; The output of every feeder branch road is connected with the base station, it is characterized in that, is serially connected with the signal coupling amplifying device on described at least one feeder branch road, and described signal coupling amplifying device comprises:
The second antenna is arranged at the first antenna region of feeder branch road that this signal coupling amplifying device is connected in series, is used for receiving the upward signal that the terminal equipment in this zone is launched to the base station;
Amplifier is connected with the second antenna, is used for the upward signal of the second antenna reception is amplified;
Directional coupler is serially connected with on the feeder branch road that connects between the first antenna and described base station, and is connected with described amplifier, is used for that described amplifier amplifying signal is coupled to described feeder branch road and sends to the base station.
2. wireless signal dual-mode antenna according to claim 1 system, it is characterized in that, described signal coupling amplifying device also comprises power module, described power module input is connected with telephone wire, its output is connected with described amplifier, and being used for utilizing the light current of described telephone wire is described amplifier power supply.
3. wireless signal dual-mode antenna according to claim 1 system, is characterized in that, described signal coupling amplifying device comprises power module and power supply adaptor, wherein,
The input of described power supply adaptor is connected with AC power, and its output is connected with the input of described power module, inputs to described power module after being used for High Level AC Voltage is transformed to low-voltage DC;
The output of described power module is connected with described amplifier, and the described low-voltage DC that is used for described power supply adaptor conversion is described amplifier power supply.
4. wireless signal dual-mode antenna according to claim 1 system, is characterized in that, the amplifier in described signal coupling amplifying device is low noise amplifier.
5. wireless signal dual-mode antenna according to claim 1 system, is characterized in that, the amplifier in described signal coupling amplifying device is casacade multi-amplifier.
6. wireless signal dual-mode antenna according to claim 5 system, is characterized in that, is provided with filter between described casacade multi-amplifier, is used for filtering the component of the characteristic frequency of upward signal.
7. wireless signal dual-mode antenna according to claim 1 system, is characterized in that, described signal coupling amplifying device also comprises three ports:
Output port, the feeder branch road that access is connected with described base station;
The first input end mouth, the feeder that access is connected with described the first antenna;
The second input port accesses described the second antenna.
8. wireless signal dual-mode antenna according to claim 1 system, is characterized in that, described signal coupling amplifying device is arranged in the feeder branch road position near the first antenna.
9. wireless signal dual-mode antenna according to claim 1 system, is characterized in that, the second antenna comprises a plurality of antennas.
10. signal coupling amplifying device, it is characterized in that, it is installed on wireless signal dual-mode antenna system feeder branch road, and the first antenna that is connected with the input of feeder branch road is distributed in zones of different, in order to receive terminal equipment in its region to the upward signal of base station emission; The output of every feeder branch road is connected with the base station, and described device comprises:
The second antenna be used for to receive the upward signal that the terminal equipment in the first antenna region is launched to the base station;
Amplifier is connected with the second antenna, and the upward signal that is used for the second electric wire is received amplifies;
Directional coupler is serially connected with on described feeder branch road and with described amplifier and is connected, and is used for that the upward signal that described amplifier amplifies is coupled to described feeder branch road and sends to the base station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200037331U CN203014800U (en) | 2013-01-05 | 2013-01-05 | Wireless signal receiving and transmitting antenna system and signal coupling amplifying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200037331U CN203014800U (en) | 2013-01-05 | 2013-01-05 | Wireless signal receiving and transmitting antenna system and signal coupling amplifying device |
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| Publication Number | Publication Date |
|---|---|
| CN203014800U true CN203014800U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013200037331U Withdrawn - After Issue CN203014800U (en) | 2013-01-05 | 2013-01-05 | Wireless signal receiving and transmitting antenna system and signal coupling amplifying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078654A (en) * | 2013-01-05 | 2013-05-01 | 北京欣通威波科技有限公司 | Wireless signal receiving and sending antenna system, coupling amplification device and signal processing method |
-
2013
- 2013-01-05 CN CN2013200037331U patent/CN203014800U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078654A (en) * | 2013-01-05 | 2013-05-01 | 北京欣通威波科技有限公司 | Wireless signal receiving and sending antenna system, coupling amplification device and signal processing method |
| CN103078654B (en) * | 2013-01-05 | 2015-10-28 | 北京欣通威波科技有限公司 | Wireless signal dual-mode antenna system, coupling amplification device and signal processing method |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20151028 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |