CN202455351U - Frequency shift repeater for solving indoor covering - Google Patents
Frequency shift repeater for solving indoor covering Download PDFInfo
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- CN202455351U CN202455351U CN2011203264874U CN201120326487U CN202455351U CN 202455351 U CN202455351 U CN 202455351U CN 2011203264874 U CN2011203264874 U CN 2011203264874U CN 201120326487 U CN201120326487 U CN 201120326487U CN 202455351 U CN202455351 U CN 202455351U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
A frequency shift for solving indoor covering is provided. The frequency shift comprises a near-end machine and a far end machine, in the down direction, a diplexer of the near-end machine is used for coupling signals of a base station from the air or a chamber-dividing system directly, after being processed by a radio frequency processing unit, mobile communication signals are adjusted to the appropriate power level and sent to a frequency conversion unit to be converted into intermediate frequency, then the signals are sent to a triplexer after being amplified by a high linearity power amplifier, then the frequency-converted and amplified intermediate frequency signals are sent to an antenna to be emitted. Moreover, a path of clock signals provided by a clock signal processing unit is sent to the triplexer after being frequency-doubled and amplified, and emitted through the antenna along with the intermediate frequency signals. The intermediate frequency signals of the near-end machine received by a relay antenna of the far-end machine and the frequency-doubled clock signals are divided into two paths through the triplexer, one path is the intermediate frequency signals of the base station, after being processed by the radio frequency processing unit, the intermediate frequency signals are adjusted to the appropriate power level and sent to the frequency conversion unit, then the signals are restored into mobile communication working frequency, and the high-linearity power amplifier is used for amplifying the mobile communication signals and covering the signals inside a room through a retransmission antenna.
Description
Technical field
The utility model relates to Wireless Telecom Equipment, especially a kind of frequency-shift repeater that is used to solve indoor mobile communication signal covering.
Background technology
In the Modern Mobile Communications Systems, indoor signal covers and to be employed in indoor construction microcellulor or macrocellular more, and the mode that has an indoor distributed system realizes.Common indoor distributed system generally is made up of repeater, trunk amplifier and passive distribution network.According to adopting different repeater types can indoor distributed system be divided into optical fiber repeater indoor distributed system, same wireless discharging-directly station indoor distributed system, micro-wave extension indoor distributed system frequently.
No matter adopt which kind of indoor distributed system; Its principle all is to utilize repeater reception base station signal and its amplification is transferred to the passive distribution network; Through the passive distribution network base station signal being transferred to needs region covered again, and the excessive place of middle feeder loss compensates through the mode that increases trunk amplifier.This mode, antenna-feedback system are usually placed on corridor or the ceiling, all can play good coverage effect for general residential building, office building and to the less demanding place of outward appearance.But for high-grade sub-district or VIP client; Because the used concrete quality of building own is good and resident family is high to appearance requirement; Cause indoor cable; Antenna all can't be laid, and existing antenna-feedback system comes to cover indoor in the corridor if depend merely on, because concrete indoorly can't reach the covering requirement to excessive causing of the decay of high-frequency signal.
Therefore, need a kind of new indoor covering solution to solve the problems referred to above.
The utility model content
The purpose of the utility model is to provide a kind of frequency-shift repeater that solves indoor covering, to solve the problem that present high-grade sub-district indoor signal covers.
In order to address the above problem; The technical scheme that the utility model is taked comprises a kind of frequency-shift repeater, and it comprises near-end machine and remote termination, it is characterized in that: at down direction; Duplexer in the near-end machine is from the aerial or signal of base station that directly from the subsystem of chamber, is coupled; Handle through RF processing unit, send into converter unit after mobile communication signal is adjusted to suitable power level, be converted to intermediate frequency; Send into triplexer after amplifying through high Linear Power Amplifier then, triplexer is sent the frequency conversion amplified IF signal into the antenna emission; Sending into triplexer after clock signal processing unit provides one tunnel clock signal to amplify through frequency multiplication in addition passes through antenna together with intermediate-freuqncy signal and launches.Remote termination relaying antenna receives the intermediate-freuqncy signal of near-end machine and doubled clock; Be divided into two-way through triplexer; One the tunnel is the intermediate-freuqncy signal of base station, handles through RF processing unit, sends into converter unit after intermediate-freuqncy signal is adjusted to suitable power level; Be reduced into the mobile communication operating frequency, cover indoor with the mobile communication signal amplification and through retransmitting antenna through high Linear Power Amplifier again; Another road is the clock multiplier signal of near-end machine, through wave filter, amplifier, power control circuit, ADF4118 chip, low pass, crystal oscillator nearly the clock signal of terminal restore and control the converter unit of remote termination.At up direction, Signal Processing process and down direction are identical.The remote termination duplexer will be sent into RF processing unit from the terminal signaling of aerial reception and handle; Send into converter unit after mobile communication signal adjusted to suitable power level; Be converted to intermediate frequency; Amplify back output through high Linear Power Amplifier then, near-end machine relaying antenna receives the intermediate-freuqncy signal of remote termination, handles through RF processing unit; The intermediate-freuqncy signal that receives is adjusted to suitable power level send into converter unit, again intermediate-freuqncy signal is converted to and sends into high Linear Power Amplifier after the mobile communication operating frequency and amplify the back and send into base station processes through coupler/reception antenna.
The technical scheme that the utility model is taked also comprises: said near-end machine comprises RF processing unit, converter unit, power amplifier and clock signal processing unit.It is that mobile communication signal is adjusted to suitable power level so that frequency conversion that said RF processing unit mainly acts on; It is that mobile communication signal is converted to intermediate frequency that said converter unit mainly acts on; It is that intermediate-freuqncy signal is amplified output that said power amplifier mainly acts on; It is that the clock signal frequency multiplication is coupled to down link and descending mobile communication signal is launched together then to intermediate frequency that said clock signal processing unit mainly acts on.
The technical scheme that the utility model is taked also comprises: said remote termination comprises RF processing unit, converter unit, power amplifier and clock signal reduction unit.Said RF processing unit, converter unit and power amplifier are identical with the effect of near-end machine; It is the clock signal that the intermediate frequency clock signal that receives from the near-end machine is reduced into transmitting terminal that said clock signal reduction unit mainly acts on.
The technical scheme that the utility model is taked also comprises: said near-end machine clock signal processing unit and remote termination clock signal reduction unit are formed the clock restoring function jointly; Purpose is that the converter unit for near-end machine and remote termination provides identical local oscillation signal, thereby guarantees the frequency error of near-end machine and remote termination.
The technical scheme that the utility model is taked also comprises: near-end machine transmitting antenna and remote termination relaying antenna adopt the microstrip line plate antenna.
The technical scheme that the utility model is taked also comprises: near-end machine reception antenna and remote termination retransmitting antenna can select to support the various antennas of mobile communication operating frequency.
The technical scheme that the utility model is taked also comprises: said intermediate-freuqncy signal is operated in 100MHz～200MHz, utilizes this characteristic that frequency band signals space loss is little, penetration capacity is strong, effectively solves indoor covering problem.
The technical scheme that the utility model is taked also comprises: small and exquisite, the good looking appearance, easy for installation of said near-end machine and remote termination structure.
The useful technique effect of the utility model is: the frequency-shift repeater of the utility model can effectively solve the shortcoming that present mobile communication signal is difficult to penetrate xoncrete structure through mobile communication signal and clock signal shift frequency are transmitted to intermediate frequency.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the indoor distribution applications figure of the utility model embodiment;
Fig. 2 is the block diagram of the near-end machine of the utility model embodiment;
Fig. 3 is the block diagram of the remote termination of the utility model embodiment;
Fig. 4 is the clock signal processing unit schematic diagram of the utility model embodiment;
Fig. 5 is the clock signal reduction unit schematic diagram of the utility model embodiment.
Embodiment
Like Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, present embodiment is made up of near-end machine 1, remote termination 2, clock signal processing unit 3, clock signal reduction unit 4, base station 5, coupler/reception antenna 6, terminal 7, antenna 8 and concrete wall/window 9.Its operation principle is: at down direction, duplexer 4a is from the signal aerial or base station 5 that directly from the subsystem of chamber, is coupled, and process RF processing unit 1a, converter unit 2a, power amplifier 3a, triplexer 5a are converted to and send into antenna 8 emissions after intermediate frequency amplifies; Send into triplexer after clock signal processing unit 8a provides one tunnel clock signal to amplify through frequency multiplication in addition and pass through antenna 8 together with intermediate-freuqncy signal and launch, clock signal processing unit 8a is made up of crystal oscillator 1c and ADF4350 chip 2c.Remote termination relaying antenna 8 receives the intermediate-freuqncy signal of near-end machine and doubled clock; Be divided into two-way through triplexer; One the tunnel is the intermediate-freuqncy signal of base station, through RF processing unit 1b, converter unit 2b, power amplifier 3b intermediate frequency is reduced into original operating frequency and amplifies then and cover indoor through retransmitting antenna 8; Clock signal reduction unit 8b is given on another road; The clock multiplier signal of terminal nearly, through wave filter 1d, amplifier 2d, power control circuit 3d, ADF4118 chip 4d, low pass 5d, crystal oscillator 6d nearly the clock signal of terminal restore and control the converter unit 2b of remote termination.
At up direction, the processing procedure and the down direction of mobile communication signal are identical.Duplexer 4b in the remote termination 2 will send into RF processing unit 1b, converter unit 2b, power amplifier 3b, triplexer 5b from the terminal signaling of aerial reception and be converted to and send into antenna 8 emissions after intermediate frequency amplifies; In near-end machine 1, antenna 8 will receive sends into base station processes after the intermediate-freuqncy signal of remote termination 2 is sent into triplexer 5a, RF processing unit 1a, converter unit 2a, power amplifier 3a, duplexer 4a, coupler/reception antenna 6a frequency conversion is amplified to operating frequency.Different with down direction is that up direction does not have the transmission of clock signal.
Claims (5)
1. a frequency-shift repeater comprises near-end machine and remote termination, it is characterized in that: at down direction; Duplexer in the near-end machine is from the aerial or signal of base station that directly from the subsystem of chamber, is coupled; Handle through RF processing unit, send into converter unit after mobile communication signal is adjusted to suitable power level, be converted to intermediate frequency; Send into triplexer after amplifying through high Linear Power Amplifier then, triplexer is sent the frequency conversion amplified IF signal into the antenna emission; Send into triplexer after clock signal processing unit provides one tunnel clock signal to amplify through frequency multiplication in addition and intermediate-freuqncy signal is launched through antenna together; Remote termination relaying antenna receives the intermediate-freuqncy signal of near-end machine and doubled clock; Be divided into two-way through triplexer; One the tunnel is the intermediate-freuqncy signal of base station, handles through RF processing unit, sends into converter unit after intermediate-freuqncy signal is adjusted to suitable power level; Be reduced into the mobile communication operating frequency, cover indoor with the mobile communication signal amplification and through retransmitting antenna through high Linear Power Amplifier again; Another road is the clock multiplier signal of near-end machine, through wave filter, amplifier, power control circuit, ADF4118 chip, low pass, crystal oscillator nearly the clock signal of terminal restore and control the converter unit of remote termination.
2. frequency-shift repeater according to claim 1 is characterized in that: the near-end machine comprises RF processing unit, converter unit, power amplifier and clock signal processing unit; It is that mobile communication signal is adjusted to suitable power level so that frequency conversion that RF processing unit mainly acts on; It is that mobile communication signal is converted to intermediate frequency that converter unit mainly acts on; It is that intermediate-freuqncy signal is amplified output that power amplifier mainly acts on; It is that the clock signal frequency multiplication is coupled to down link and descending mobile communication signal is launched together then to intermediate frequency that clock signal processing unit mainly acts on.
3. frequency-shift repeater according to claim 2 is characterized in that: said remote termination comprises RF processing unit, converter unit, power amplifier and clock signal reduction unit; Said RF processing unit, converter unit and power amplifier are identical with the effect of near-end machine; It is the clock signal that the intermediate frequency clock signal that receives from the near-end machine is reduced into transmitting terminal that said clock signal reduction unit mainly acts on.
4. according to claim 1 or 2 or 3 described frequency-shift repeaters, it is characterized in that: near-end machine transmitting antenna and remote termination relaying antenna adopt the microstrip line plate antenna.
5. according to claim 1 or 2 or 3 described frequency-shift repeaters, it is characterized in that: near-end machine reception antenna and remote termination retransmitting antenna can select to support the various antennas of mobile communication operating frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203264874U CN202455351U (en) | 2011-09-02 | 2011-09-02 | Frequency shift repeater for solving indoor covering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203264874U CN202455351U (en) | 2011-09-02 | 2011-09-02 | Frequency shift repeater for solving indoor covering |
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| Publication Number | Publication Date |
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| CN202455351U true CN202455351U (en) | 2012-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203264874U Expired - Fee Related CN202455351U (en) | 2011-09-02 | 2011-09-02 | Frequency shift repeater for solving indoor covering |
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| CN (1) | CN202455351U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253962A (en) * | 2016-08-02 | 2016-12-21 | 大连金盛义电子科技有限公司 | A kind of wireless signal extension apparatus |
| CN109818665A (en) * | 2017-11-17 | 2019-05-28 | 上海金阵半导体科技有限公司 | Wireless signal expansion system and wireless signal extension head end and terminal |
| CN110034811A (en) * | 2019-05-31 | 2019-07-19 | 福建瑞波信息技术有限公司 | Mobile communication indoor signal enhancing device and its Enhancement Method |
| US10461914B2 (en) | 2018-03-27 | 2019-10-29 | Apple Inc. | Triplexer with transmit/receive switch |
| CN112997422A (en) * | 2018-10-31 | 2021-06-18 | 株式会社村田制作所 | Radio wave repeater and communication system |
| CN114584244A (en) * | 2022-01-26 | 2022-06-03 | 江苏通鼎宽带有限公司 | 5G single-channel frequency shift remote terminal |
| CN115276679A (en) * | 2022-06-21 | 2022-11-01 | 中国电信股份有限公司 | Frequency shift system and frequency shift method |
| CN116095694A (en) * | 2022-11-17 | 2023-05-09 | 陕西天基通信科技有限责任公司 | Device and method for supporting 5G near-far end wireless frequency shift |
-
2011
- 2011-09-02 CN CN2011203264874U patent/CN202455351U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106253962A (en) * | 2016-08-02 | 2016-12-21 | 大连金盛义电子科技有限公司 | A kind of wireless signal extension apparatus |
| CN109818665A (en) * | 2017-11-17 | 2019-05-28 | 上海金阵半导体科技有限公司 | Wireless signal expansion system and wireless signal extension head end and terminal |
| CN109818665B (en) * | 2017-11-17 | 2022-03-18 | 上海金阵半导体科技有限公司 | Wireless signal extension system, wireless signal extension head end and terminal |
| US10461914B2 (en) | 2018-03-27 | 2019-10-29 | Apple Inc. | Triplexer with transmit/receive switch |
| CN112997422A (en) * | 2018-10-31 | 2021-06-18 | 株式会社村田制作所 | Radio wave repeater and communication system |
| CN112997422B (en) * | 2018-10-31 | 2023-04-04 | 株式会社村田制作所 | Radio wave repeater and communication system |
| US11664882B2 (en) | 2018-10-31 | 2023-05-30 | Murata Manufacturing Co., Ltd. | Radio wave repeater and communication system |
| CN110034811A (en) * | 2019-05-31 | 2019-07-19 | 福建瑞波信息技术有限公司 | Mobile communication indoor signal enhancing device and its Enhancement Method |
| CN114584244A (en) * | 2022-01-26 | 2022-06-03 | 江苏通鼎宽带有限公司 | 5G single-channel frequency shift remote terminal |
| CN115276679A (en) * | 2022-06-21 | 2022-11-01 | 中国电信股份有限公司 | Frequency shift system and frequency shift method |
| CN116095694A (en) * | 2022-11-17 | 2023-05-09 | 陕西天基通信科技有限责任公司 | Device and method for supporting 5G near-far end wireless frequency shift |
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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: 20120926 Termination date: 20140902 |
|
| EXPY | Termination of patent right or utility model |