CN203219304U - Energy-efficient multicarrier digital fiber microwave remote extension system - Google Patents
Energy-efficient multicarrier digital fiber microwave remote extension system Download PDFInfo
- Publication number
- CN203219304U CN203219304U CN2013200762951U CN201320076295U CN203219304U CN 203219304 U CN203219304 U CN 203219304U CN 2013200762951 U CN2013200762951 U CN 2013200762951U CN 201320076295 U CN201320076295 U CN 201320076295U CN 203219304 U CN203219304 U CN 203219304U
- Authority
- CN
- China
- Prior art keywords
- standard
- frequency
- signal
- integrated module
- digital
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Radio Relay Systems (AREA)
- Optical Communication System (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model relates to an energy-efficient multicarrier digital fiber microwave remote extension system comprising a system access unit, a system relay unit and a system extension coverage unit. The system employs fiber and 13G relay signals to carry out signal transmission; remote large scale coverage needs to be carried out in hard site-selection and slow-construction areas like a village-in city, a high way and a disaster area needing fast communication recovery, and the system can realize wireless voice and data coverage for the areas; a conventional cell phone signal coverage mode has problems of large intervention, high investment, hard site-selection, slow-construction, small coverage area, short coverage distance and large system power consumption, and the problems are solved by the system of the utility model; the system has high integration level; the access unit, the relay unit and the extension coverage unit employ integrated modules in circuits, so the system is small in size and strong in reliability, and is suitable for installation usage of practical projects; and power amplifier employs digital predistortion technology to effectively reduce power consumption, so efficiency of the power amplifier is improved, and the whole system is more energy saving and efficient.
Description
Technical field
The utility model relates to Wireless Telecom Equipment, particularly a kind of energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system.
Background technology
The self information Estate Division has proposed since the project of "Communication with Every Village", and present target in planning also has.In the suburb, particularly the villages within the city in the city generally adopt the simulation repeater to cover at mobile network's first stage of construction, and these local mobile subscribers are more and more now, require also more and more higher to communication quality, because simulation repeater job insecurity, the user often complains.And a large amount of employings of simulation repeater, also easily the base station is produced and disturb, influence network index.The stable performance of energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system, it is quick, flexible to build a station, and the cost of building a station is low, and is little to web influence, and coverage distance is far away, and area coverage is big, and coverage effect is good.And the digital pre-distortion power amplifying technology system that makes that energy-saving multi-carrier digital optical fiber microwave system adopts has significantly reduced power consumption, compare with common repeater, the more environmental protection and energy saving of energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system are a kind of novel remote multi-modulation scheme covering systems that can effectively solve suburb, rural area signal, the emergent covering in disaster area.
The telecommunications of China are through the development of decades, 2G, 3G mobile communication system frequency resource are very limited, and also there is the communication of a lot of system examinations in low frequency, adopting the relay transmission mode of high frequency brings into schedule, traditional communication equipment is in the low-frequency range frequency, there are build a station addressing difficulty, the speed of building a station difficulty, the cost height of building a station.Low-frequency range has comprised various wireless communication signals, and signal is numerous and diverse, and also there is the hidden danger of phase mutual interference each system in this, and in the face of the communication frequency resource-constrained, operator must utilize higher frequency resource, to guarantee the sustainable development of each radio communication service health.My company is based on the understanding to wireless communication technology, independent research energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system.It after access unit carries out Digital Signal Processing to the multi-modulation scheme radiofrequency signal, be sent to by optical fiber TU Trunk Unit carry out signal a little less than the covering of district, blind area, and in TU Trunk Unit, frequency band is converted to the 13G frequency range with digital form and carries out relay transmission, utilize signal that it built a station fast, carried out flexibly farther distance to transmit, from the digital processing mode intermediate-freuqncy signal frequency conversion is reduced again and in each standard frequency range the blind area is covered extending capped end.This system can be used for zooming out at a distance the signal that strengthens highway cover efficient, solve the urban compact district covering and because existing optical cable cloth cable difficulty, have high input, the remote deepening covering of choosing ground, base station difficulty, disaster area emergency communication etc.
The utility model content
The utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance covering system, technology to be solved is to overcome the deficiencies in the prior art, provide a kind of can be to villages within the city, city, highway, the disaster-stricken system that needs addressing difficulty, the slow area of building a station such as fast quick-recovery communication to carry out the degree of depth network coverage.
The technical solution adopted in the utility model is: a kind of energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system is characterized in that: this system is made up of access unit (a), TU Trunk Unit (b) and extension capping unit (c);
After described access unit is coupled the downlink radio-frequency signal of each standard from each standard base station, behind the multi-modulation scheme duplexer of integrated module (1a), descending frequency changer circuit by each standard of integrated module (1a) is converted to the descending intermediate-freuqncy signal of each standard, the descending intermediate-freuqncy signal of each standard is carried out ADC sampling, Digital Signal Processing and light/electricity conversion through access unit digital intermediate frequency plate (4a), and each the standard downlink optical signal after light/electricity conversion is sent to described TU Trunk Unit (b) by the digital light module by optical fiber; Described TU Trunk Unit (b) sends the uplink optical signal of each standard, enter into access unit digital intermediate frequency plate (4a) through after the described digital light module, after carrying out light/electric conversion, Digital Signal Processing, DAC sampling by access unit digital intermediate frequency plate (4a), output to integrated module (1a), after being converted to the up radiofrequency signal of each standard by the up frequency changer circuit of each standard of integrated module (1a), turn back to the base-station interface of each standard through described multi-modulation scheme duplexer;
After described TU Trunk Unit (b) receives each the standard downlink optical signal that transmits from described access unit (a), be transferred to TU Trunk Unit digital intermediate frequency plate (1b) after the digital light module reception through TU Trunk Unit (b) and carry out light/electricity conversion, Digital Signal Processing, the DAC sampling, the descending intermediate-freuqncy signal of each standard of output is transferred to multi-modulation scheme frequency conversion integrated module (2b) respectively, behind the downlink radio-frequency signal of descending frequency changer circuit frequency conversion for each system examination by each standard of multi-modulation scheme frequency conversion integrated module (2b), amplify through the descending power amplification integrated module of multi-modulation scheme (4b), each the standard downlink radio-frequency signal after the amplification is transmitted into the area of coverage by the wideband retransmitting antenna behind the first multi-modulation scheme duplexer (6b); Send the up radiofrequency signal of each standard from this TU Trunk Unit area of coverage, behind the first multi-modulation scheme duplexer (6b), up low noise circuit by each standard of multi-modulation scheme frequency conversion integrated module (2b) amplifies, the up frequency changer circuit of each standard is converted to the up intermediate-freuqncy signal of each standard, enter into TU Trunk Unit digital intermediate frequency plate (1b) then respectively and carry out ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit (a) by the digital light module of this TU Trunk Unit (b) by optical fiber;
After described TU Trunk Unit (b) receives each the standard downlink optical signal that transmits from described access unit (a), enter into TU Trunk Unit digital intermediate frequency plate (1b) after the digital light module through TU Trunk Unit (b) and carry out light/electricity conversion respectively, Digital Signal Processing, after the DAC sampling, the descending intermediate-freuqncy signal of exporting each standard enters into intermediate frequency frequency conversion integrated module (3b), by the descending frequency changer circuit frequency conversion of each standard of intermediate frequency frequency conversion integrated module (3b) be the descending 300M radiofrequency signal of each standard by LC filtering loop (5b) each standard 300M signal, pilot signal and power supply close the road, be input to an ODU frequency conversion integrated module (7b), again by the LC filter circuit of an ODU frequency conversion integrated module (7b) along separate routes, the two-stage up-conversion circuit upconverts to the 13G microwave signal, then after the filtering of 13G microwave signal process 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission again;
The up 13G relaying of each standard microwave signal that described extension capping unit (c) sends, 13G duplexer filtering by an ODU frequency conversion integrated module (7b), the two-stage lower frequency changer circuit is down-converted to the 100M radiofrequency signal, after the road is closed in the filtering of LC filter circuit, LC filter circuit through a LC filtering loop (5b) goes out each standard 100M signal along separate routes again, up low noise circuit by each standard of intermediate frequency frequency conversion integrated module (3b) amplifies, the up frequency changer circuit of each standard is converted to the up intermediate-freuqncy signal of each standard, enter into TU Trunk Unit digital intermediate frequency plate (1b) then and carry out the ADC sampling respectively, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit (a) by the digital light module by optical fiber;
After described extension capping unit (c) receives the descending 13G microwave relay of the multi-modulation scheme microwave signal that TU Trunk Unit (b) sends over by high-gain 13G microwave relay antenna, elder generation is through the 13G duplexer filtering of the 2nd ODU frequency conversion integrated module (1c), after the two-stage lower frequency changer circuit is down-converted to 100M radiofrequency signal and the filtering of LC filter circuit, LC filter circuit through the 2nd LC filtering loop (2c) goes out each standard downstream signal along separate routes, each standard downstream signal enters the frequency changer circuit that extends each standard of integrated module (3c) and is down-converted to each standard intermediate frequency, each standard intermediate frequency is exported to descending digital intermediate frequency frequency-selecting module (5c) and is carried out ADC sampling then, Digital Signal Processing, after the DAC sampling, output to descending frequency conversion integrated module (5c) again, in descending frequency conversion integrated module (5c), each standard intermediate-freuqncy signal is up-converted to each standard downlink radio-frequency signal, amplify by multi-modulation scheme duplexer (7c) by the descending digital pre-distortion power amplifying integrated module of multi-modulation scheme (6c) at last and launched by the wideband retransmitting antenna, signal blind zone is covered;
Receive the up radiofrequency signal of each standard equally through behind the second multi-modulation scheme duplexer (7c) from the wideband retransmitting antenna, enter and extend the up low noise amplifier circuit amplification of each standard of integrated module (3c), the up frequency changer circuit of each standard is down-converted to the intermediate frequency of each standard, export to upstream digital frequency-selecting of intermediate frequency module (4c) then and carry out the ADC sampling, Digital Signal Processing, after the DAC sampling, output to and extend integrated module (3c), each standard up-converts to the up 300M radiofrequency signal of each standard in extending integrated module (3c), be transported to the LC filter circuit of LC filtering loop (2c) the 300M signal of each standard, pilot signal and power supply close the road, again through the LC filter of the 2nd DOU frequency-variable module (1c) along separate routes, after the two-stage up-conversion circuit upconverts to 13G microwave signal and the filtering of 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission.
In the utility model one embodiment, described access unit integrated module comprises multi-modulation scheme duplexer and the up link frequency converter partial circuit that is connected with this multi-modulation scheme duplexer and down link frequency converter partial circuit.
In the utility model one embodiment, described multi-modulation scheme frequency conversion integrated module comprises standard 1 up converter circuit, standard 1 descending converter circuit, standard 1 up low noise cancellation circuit, standard 2 up converter circuits, standard 2 descending converter circuits, standard 2 up low noise cancellation circuits, standard 3 up converter circuits, standard 3 descending converter circuits, standard 3 up low noise cancellation circuits; Described standard 1 up converter circuit is connected with standard 1 up low noise cancellation circuit; Standard 2 up converter circuits are connected with standard 2 up low noise cancellation circuits; Standard 3 up converter circuits are connected with standard 3 up low noise cancellation circuits.
In the utility model one embodiment, the descending power amplification integrated module of described multi-modulation scheme comprises standard 1 descending power amplifier, standard 2 descending power amplifiers, standard 3 descending power amplifiers.
System of the present utility model utilizes optical fiber and 13G repeating signal to carry out the signal transmission, realization to villages within the city, city, highway, disaster-strickenly need addressing difficulty, the slow area of building a station such as fast quick-recovery communication need carry out the zone that long-distance large-range covers to carry out the covering of wireless speech and data a difficult problem such as overcome that the interference that exists in the conventional mobile phone signal coverage mode is big, investment is high, addressing is difficult, it is slow to build a station, area coverage is little, coverage distance is short and system energy consumption is big; This system has higher integrated level, circuit such as access unit and TU Trunk Unit, extension capping unit have adopted integrated module, thereby make that this system bulk is littler, reliability is stronger, more utilize installing and using of actual engineering, power amplifier has adopted digital pre-distortion technology, has effectively reduced power consumption, improve the efficient of power amplifier, made whole system efficient energy-saving more.
Description of drawings
Fig. 1 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system access unit principle framework figure.
Fig. 2 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit principle framework figure.
Fig. 3 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system extension capping unit principle framework figure.
Fig. 4 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system access unit integrated module frame diagram.
Fig. 5 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit multi-modulation scheme frequency conversion integrated module frame diagram.
Fig. 6 is that the utility model designs the descending power amplification integrated module frame figure of energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit multi-modulation scheme.
Fig. 7 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit intermediate frequency frequency conversion integrated module frame diagram.
Fig. 8 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit ODU frequency conversion integrated module frame diagram.
Fig. 9 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system extension capping unit ODU frequency conversion integrated module frame diagram.
Figure 10 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system extension capping unit extension integrated module frame diagram.
Figure 11 is that the utility model designs the descending power amplification integrated module frame figure of energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system extension capping unit multi-modulation scheme.
Figure 12 is that the utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system stretch system power amplifier employing digital pre-distortion technology principle framework figure.
Embodiment
The utility model designs energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance covering system, comprises with the lower part:
(1) energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system access unit (a): after energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system access unit is coupled each standard downlink radio-frequency signal from the base station (perhaps base station zoom out system) of each standard, behind the multi-modulation scheme duplexer of integrated module, be the descending intermediate-freuqncy signal of each standard by the descending frequency changer circuit frequency conversion of each standard of integrated module, the descending intermediate-freuqncy signal of each standard outputs to access unit digital intermediate frequency plate and carries out the ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard downlink optical signal after light/electricity conversion is sent to TU Trunk Unit by the digital light module by optical fiber.Each the standard uplink optical signal that sends from energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit, through after entering into access unit digital intermediate frequency plate after the digital light module and carrying out light/electric conversion, Digital Signal Processing, DAC sampling, output to integrated module, after being the up radiofrequency signal of each standard by the up frequency changer circuit frequency conversion of each standard of integrated module, turn back to the base-station interface of each standard through the multi-modulation scheme duplexer.Energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit (b): after energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit receives each the standard downlink optical signal that transmits from system's access unit, carry out light/electricity conversion through entering into TU Trunk Unit digital intermediate frequency plate after the digital light module, Digital Signal Processing, the DAC sampling, the descending intermediate-freuqncy signal of each standard of output enters into multi-modulation scheme frequency conversion integrated module, by the descending frequency changer circuit of each standard of multi-modulation scheme frequency conversion integrated module the intermediate-freuqncy signal frequency conversion of each standard is amplified respectively by the descending digital pre-distortion power amplifying of multi-modulation scheme for each standard downlink radio-frequency signal, each the standard downlink radio-frequency signal after the amplification is transmitted into the area of coverage by the wideband retransmitting antenna behind the multi-modulation scheme duplexer.The up radiofrequency signal of each standard that sends from the relaying cell footprint, behind the multi-modulation scheme duplexer, be converted to the up intermediate-freuqncy signal of each standard by each the up low noise circuit amplification of multi-modulation scheme frequency conversion integrated module, up frequency changer circuit, enter into TU Trunk Unit digital intermediate frequency plate then and carry out ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit by the digital light module by optical fiber.After energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit receives each the standard downlink optical signal that transmits from system's access unit, carry out light/electricity conversion through entering into TU Trunk Unit digital intermediate frequency plate after the digital light module, Digital Signal Processing, after the DAC sampling, the descending intermediate-freuqncy signal of each standard of output enters into intermediate frequency frequency conversion integrated module, after being the descending 300M radiofrequency signal of each standard by the descending frequency changer circuit frequency conversion of each standard of intermediate frequency frequency conversion integrated module, by LC filtering loop LC filter circuit each standard 300M signal, after pilot signal and power supply close the road, again by ODU frequency conversion integrated module LC filter along separate routes, after the descending up-converter circuit of two-stage upconverts to 13G microwave signal and the filtering of 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission.Stretch the up 13G microwave relay microwave signal that capping unit sends each standard from energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system, through the filtering of ODU frequency conversion integrated module 13G duplexer, the up lower frequency changer circuit of two-stage is down-converted to the 100M radiofrequency signal and the LC filter closes the road, again by LC filtering loop LC filter circuit each standard signal along separate routes after, enter into intermediate frequency frequency conversion integrated module, amplified by the up low noise circuit of each standard of intermediate frequency frequency conversion integrated module, up frequency changer circuit is converted to the up intermediate-freuqncy signal of each standard, enter into TU Trunk Unit digital intermediate frequency plate then and carry out the ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit by the digital light module by optical fiber.Energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system extends capping unit (c): energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system extends capping unit and receives the descending 13G microwave relay of each standard signal that TU Trunk Unit sends over by the relaying antenna, through the filtering of ODU frequency conversion integrated module 13G duplexer, the descending lower frequency changer circuit of two-stage is down-converted to the 100M radiofrequency signal and the LC filter closes the road, again by LC filtering loop LC filter circuit each standard signal along separate routes, each standard downstream signal along separate routes enters into the extension integrated module, amplify by extending the descending 100M low-noise amplification circuit of each standard of integrated module, each standard down link lower frequency changer circuit is down-converted to each standard intermediate frequency, export to digital intermediate frequency frequency-selecting module then and carry out the ADC sampling, Digital Signal Processing, after the DAC sampling, output to the extension integrated module again, in extending integrated module, each standard intermediate-freuqncy signal is up-converted to each standard downlink radio-frequency signal, amplify by the multi-modulation scheme duplexer by the descending digital pre-distortion power amplifying module of multi-modulation scheme at last and launched by the wideband retransmitting antenna, signal blind zone is covered.After the up radiofrequency signal of each standard that receives from retransmitting antenna is passed through the multi-modulation scheme duplexer equally, enter into the extension integrated module, amplify by extending the up LNA circuit of each standard of integrated module, each standard up link lower frequency changer circuit is down-converted to the intermediate frequency of each standard, export to upstream digital frequency-selecting module then and carry out the ADC sampling, Digital Signal Processing, after the DAC sampling, output to the extension integrated module again, in extending integrated module, up-convert to the up 300M signal of each standard, by LC filtering loop LC filter circuit each standard 300M signal, pilot signal and power supply close the road, again by through ODU frequency conversion integrated module LC filter along separate routes, after the up up-converter circuit of two-stage upconverts to 13G microwave signal and the filtering of 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission.
(2), access unit has adopted integrated module.Wherein the access unit integrated module comprises up link frequency converter partial circuit, down link frequency converter partial circuit, multi-modulation scheme duplexer three parts.
(3), TU Trunk Unit multi-modulation scheme frequency conversion, the descending power amplifier of multi-modulation scheme, intermediate frequency frequency conversion and ODU become frequently and have adopted integrated module.Wherein TU Trunk Unit multi-modulation scheme frequency conversion integrated module comprises standard 1 up converter circuit, standard 1 descending converter circuit, standard 1 up low noise cancellation circuit, standard 2 up converter circuits, standard 2 descending converter circuits, standard 2 up low noise cancellation circuits, standard 3 up converter circuits, standard 3 descending converter circuits, standard 3 up low noise cancellation circuit nine parts; The descending power amplification integrated module of TU Trunk Unit multi-modulation scheme comprises standard 1 descending power amplifier, standard 2 descending power amplifiers, standard 3 descending power amplifier three parts; TU Trunk Unit intermediate frequency frequency conversion integrated module comprises standard 1 up converter circuit, standard 1 descending converter circuit, the low noise cancellation circuit of standard 1 up 100M, standard 2 up converter circuits, standard 2 descending converter circuits, the low noise cancellation circuit of standard 2 up 100M, standard 3 up converter circuits, standard 3 descending converter circuits, low noise cancellation circuit nine parts of standard 3 up 100M; TU Trunk Unit ODU frequency conversion integrated module has comprised LC filter, the descending up-converter circuit of two-stage, the up lower frequency changer circuit of two-stage, 13G duplexer four parts.
(4), extend capping unit extension of module, the descending power amplifier of multi-modulation scheme and ODU frequency conversion and adopted integrated module.Wherein extend capping unit extension integrated module and comprise standard 1 descending 100M low-noise amplification circuit, standard 1 down link down-converter circuit, standard 1 down link up-converter circuits, standard 1 up 300M low-noise amplification circuit, standard 1 up link down-converter circuit, standard 1 up link up-converter circuits, standard 2 descending 100M low-noise amplification circuit, standard 2 down link down-converter circuit, standard 2 down link up-converter circuits, standard 2 up 300M low-noise amplification circuit, standard 2 up link down-converter circuit, standard 2 up link up-converter circuits, standard 3 descending 100M low-noise amplification circuit, standard 3 down link down-converter circuit, standard 3 down link up-converter circuits, standard 3 up 300M low-noise amplification circuit, standard 3 up link down-converter circuit, standard 3 up link up-converter circuits 18 parts; Extend the descending power amplification integrated module of capping unit multi-modulation scheme and comprised standard 1 descending power amplifier, standard 2 descending power amplifiers, standard 3 descending power amplifier three parts; Extend capping unit ODU intermediate frequency frequency conversion integrated module and comprise LC filter, the descending lower frequency changer circuit of two-stage, the up up-converter circuit of two-stage, 13G duplexer four parts.
(5), energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system according to claim 1, it is characterized in that: the descending power amplifier of TU Trunk Unit multi-modulation scheme and the descending power amplifier of extension capping unit multi-modulation scheme have all adopted digital pre-distortion technology, effectively reduced power consumption, improve the efficient of power amplifier, made whole system efficient energy-saving more.
As Fig. 1, shown in Figure 2, in (1) part, down link 1 is: system's access unit (a) is from each standard base station (perhaps base station zoom out system) coupling downlink radio-frequency signal, be converted to the descending intermediate-freuqncy signal of each standard by the descending frequency changer circuit of each standard behind the multi-modulation scheme duplexer through access unit integrated module (1a), the descending intermediate-freuqncy signal of each standard outputs to access unit digital intermediate frequency plate (4a) and carries out the ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard downlink optical signal after light/electricity conversion is sent to TU Trunk Unit (b) by the digital light module by optical fiber.After system's TU Trunk Unit (b) receives each the standard downlink optical signal that transmits from system's access unit (a), enter into TU Trunk Unit digital intermediate frequency plate (1b) through the digital light module and carry out light/electricity conversion, Digital Signal Processing, the DAC sampling, the descending intermediate-freuqncy signal of each standard of DAC sampling back output enters into multi-modulation scheme frequency conversion integrated module (2b), being each standard downlink radio-frequency signal by the descending frequency changer circuit frequency conversion of each standard of multi-modulation scheme frequency conversion integrated module (2b) amplifies by the descending digital pre-distortion power amplifying of multi-modulation scheme (4b), and each the standard downlink radio-frequency signal after the amplification is transmitted into the area of coverage by the wideband retransmitting antenna behind multi-modulation scheme duplexer (6b).Up link 1 is: the up radiofrequency signal of each standard that sends from the energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system TU Trunk Unit area of coverage, behind multi-modulation scheme duplexer (6b), amplified by each up low noise circuit of multi-modulation scheme frequency conversion integrated module (2b), each up frequency changer circuit is converted to the up intermediate-freuqncy signal of each standard, enter into TU Trunk Unit digital intermediate frequency plate (1b) then and carry out the ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit (a) by the digital light module by optical fiber.After access unit (a) receives each standard uplink optical signal that TU Trunk Unit (b) sends, through after entering into access unit digital intermediate frequency plate (4a) after the digital light module and carrying out light/electric conversion, Digital Signal Processing, DAC sampling, output to access unit integrated module (1a), after being converted to the up radiofrequency signal of each standard by each up frequency changer circuit of access unit integrated module (1a), turn back to each standard base-station interface through the multi-modulation scheme duplexer.
As Fig. 1, Fig. 2 and shown in Figure 3, in (1) part, down link 2 is: system's access unit (a) is from each standard base station (perhaps base station zoom out system) coupling downlink radio-frequency signal, be converted to the descending intermediate-freuqncy signal of each standard by each descending frequency changer circuit behind the multi-modulation scheme duplexer through access unit integrated module (1a), the descending intermediate-freuqncy signal of each standard outputs to access unit digital intermediate frequency plate (4a) and carries out the ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard downlink optical signal after light/electricity conversion is sent to TU Trunk Unit (b) by the digital light module by optical fiber.After system's TU Trunk Unit (b) receives each the standard downlink optical signal that transmits from system's access unit (a), enter into TU Trunk Unit digital intermediate frequency plate (1b) through the digital light module and carry out light/electricity conversion, Digital Signal Processing, the DAC sampling, the descending intermediate-freuqncy signal of each standard of DAC sampling back output enters into intermediate frequency frequency conversion integrated module (3b), after being the descending 300M relaying of each standard radiofrequency signal by each descending frequency changer circuit frequency conversion of intermediate frequency frequency conversion integrated module (3b), enter LC filtering loop (5b), by LC filtering loop LC filter circuit each standard 300M signal, pilot signal and power supply close the road, enter ODU frequency converter integrated module (7b), by ODU frequency conversion integrated module (7b) LC filter along separate routes, after the descending up-converter circuit of two-stage up-converts to 13G microwave signal and the filtering of 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission.After system extends capping unit (c) and receives the descending 13G microwave relay microwave signal that TU Trunk Unit (b) sends over by the relaying antenna, earlier by the filtering of ODU frequency converter (1c) 13G duplexer, after the descending lower frequency changer circuit of two-stage down-converts to 100M intermediate-freuqncy signal and LC filter circuit and closes the road, again by LC filtering loop (2c) LC filter circuit each standard signal along separate routes, each standard signal along separate routes enters and extends integrated module (3c), amplify by extending the descending 100M LNA of each standard of integrated module (3c) circuit, each standard down link lower frequency changer circuit is down-converted to each standard intermediate frequency, export to descending digital intermediate frequency frequency-selecting module (5c) then and carry out the ADC sampling, Digital Signal Processing, after the DAC sampling, output to again and extend integrated module (3c), in extending integrated module (3c), each standard intermediate-freuqncy signal is up-converted to each standard downlink radio-frequency signal, amplify by multi-modulation scheme duplexer (7c) by the descending digital pre-distortion power amplifying module of multi-modulation scheme (6c) at last and launched by the wideband retransmitting antenna, signal blind zone is covered.Up link 2 is: extend after the up radiofrequency signal of each standard that capping unit wideband retransmitting antenna receives passes through multi-modulation scheme duplexer (7c) equally from energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system, enter and extend integrated module (3c), amplified by the low noise discharge road of extending each standard of integrated module (3c), each standard up link lower frequency changer circuit is down-converted to each standard intermediate frequency, export to upstream digital frequency-selecting of intermediate frequency module (4c) then and carry out the ADC sampling, Digital Signal Processing, after the DAC sampling, output to again and extend integrated module (3c), up-convert to the up 300M radiofrequency signal of each standard by extending each standard up link up-converter circuit of integrated module (3c), through LC filtering loop LC filter circuit each standard 300M signal, after pilot signal and power supply close the road, enter into ODU frequency conversion integrated module (1c), by ODU frequency conversion integrated module (1c) LC filter circuit along separate routes, after the up up-converter circuit of two-stage up-converts to 13G microwave signal and the filtering of 13G duplexer, by the emission of high-gain 13G relaying antenna, carry out relay transmission.System's TU Trunk Unit (b) receives from extending the up 13G microwave relay microwave signal that capping unit (c) sends, by the filtering of ODU frequency conversion integrated module (7b) 13G duplexer, after the up lower frequency changer circuit of two-stage down-converts to 100M intermediate-freuqncy signal LC filter circuit and closes the road, again by LC filtering loop (7b) LC filter circuit each standard signal along separate routes, each standard signal along separate routes enters into intermediate frequency frequency conversion integrated module (3b), amplified respectively by the up low noise circuit of each standard of intermediate frequency frequency conversion integrated module (3b), the up frequency changer circuit of each standard is converted to the up intermediate-freuqncy signal of each standard respectively, enter into TU Trunk Unit digital intermediate frequency plate (1b) then and carry out the ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit (a) by the digital light module by optical fiber.After access unit (a) receives each standard uplink optical signal that TU Trunk Unit (b) sends, through after entering into access unit digital intermediate frequency plate (4a) after the digital light module and carrying out light/electric conversion, Digital Signal Processing, DAC sampling, output to access unit integrated module (1a), after being converted to the up radiofrequency signal of each standard respectively by the up frequency changer circuit of each standard of access unit integrated module (1a), turn back to each standard base-station interface through the multi-modulation scheme duplexer.
As shown in Figure 4, in (2) part, the access unit integrated module comprises standard 1 up link converter circuit, standard 1 down link converter circuit, standard 2 up link converter circuits, standard 2 down link converter circuits, standard 3 up link converter circuits, standard 3 down link converter circuits, multi-modulation scheme duplexer three parts.Each standard downstream signal carries out filtering through the multi-modulation scheme duplexer earlier in access unit integrated module (1a), enter each standard down link frequency changer circuit afterwards downlink radio-frequency signal is down-converted to intermediate-freuqncy signal, output to access unit digital intermediate frequency plate (4a) by access unit integrated module (1a) at last and carry out ADC sampling, Digital Signal Processing, light/electricity conversion.After the up intermediate-freuqncy signal that access unit digital intermediate frequency plate (4a) sends enters access unit integrated module (1a), up link frequency changer circuit by access unit integrated module (1a) upconverts to the up radiofrequency signal of each standard to up intermediate-freuqncy signal earlier, carries out turning back to each standard base-station interface after the filtering finally by the multi-modulation scheme duplexer.
As shown in Figure 5, in (3) part, TU Trunk Unit multi-modulation scheme frequency conversion integrated module comprises standard 1 up link converter circuit, standard 1 down link converter circuit, standard 1 up low noise cancellation circuit, standard 2 up link converter circuits, standard 2 down link converter circuits, standard 2 up low noise cancellation circuits, standard 3 up link converter circuits, standard 3 down link converter circuits, standard 3 up low noise cancellation circuit nine parts.The descending intermediate-freuqncy signal of each standard of TU Trunk Unit digital intermediate frequency plate output enters in the TU Trunk Unit multi-modulation scheme frequency conversion integrated module (2b), down link frequency changer circuit through each standard of multi-modulation scheme frequency conversion integrated module (2b) upconverts to each standard downlink radio-frequency signal earlier, exports to the descending power amplifier of multi-modulation scheme (4b) then and amplifies.After the up radiofrequency signal of multi-modulation scheme that TU Trunk Unit wideband retransmitting antenna receives enters into TU Trunk Unit multi-modulation scheme frequency conversion integrated module (2b), up low noise circuit by each standard of multi-modulation scheme frequency conversion integrated module (2b) carries out the low noise amplification, the up link lower frequency changer circuit of each standard is down-converted to the up intermediate-freuqncy signal of each standard, outputs to TU Trunk Unit digital intermediate frequency plate (1b) at last and carries out ADC sampling, Digital Signal Processing, light/electricity conversion.
As shown in Figure 6, in (3) part, the power amplification integrated module of TU Trunk Unit multi-modulation scheme comprises standard 1 power amplifier, standard 2 power amplifiers, standard 3 power amplifiers three parts.Each standard radiofrequency signal through TU Trunk Unit multi-modulation scheme frequency conversion integrated module (2b) up-conversion enters into the power amplification integrated module of multi-modulation scheme (4b), after the power amplifier amplification by each standard of the power amplification integrated module of multi-modulation scheme (4b), carry out the multi-modulation scheme signal through the emission of wideband retransmitting antenna and cover.
As shown in Figure 7, in (3) part, TU Trunk Unit intermediate frequency frequency conversion integrated module comprises standard 1 up link converter circuit, standard 1 down link frequency converter partial circuit, the low noise cancellation circuit of standard 1 up 100M, standard 2 up link converter circuits, standard 2 down link frequency converter partial circuits, the low noise cancellation circuit of standard 2 up 100M, standard 3 up link converter circuits, standard 3 down link frequency converter partial circuits, low noise cancellation circuit nine parts of standard 3 up 100M.The descending intermediate-freuqncy signal of each standard of TU Trunk Unit digital intermediate frequency plate output enters in the TU Trunk Unit intermediate frequency frequency conversion integrated module (3b), down link frequency changer circuit through each standard of intermediate frequency frequency conversion integrated module (3b) upconverts to the descending 300M radiofrequency signal of each standard, outputs to LC filtering loop (5b) and carries out next step processing.TU Trunk Unit receives after treated up 100M radiofrequency signal enters into TU Trunk Unit intermediate frequency frequency conversion integrated module (3b), up 100M low noise circuit by each standard of intermediate frequency frequency conversion integrated module (3b) amplifies, the up frequency changer circuit of each standard is down-converted to up intermediate-freuqncy signal to the up 100M repeating signal of each standard, outputs to TU Trunk Unit digital intermediate frequency plate (1b) at last and carries out ADC sampling, Digital Signal Processing, digital band expansion, light/electricity conversion.
As shown in Figure 8, in (3) part, TU Trunk Unit ODU frequency conversion integrated module comprises LC filter circuit, the descending up-converter circuit of two-stage, the up lower frequency changer circuit of two-stage and 13G duplexer four parts composition.TU Trunk Unit ODU frequency conversion integrated module (7b) receives the mixed signal of the descending 300M signal of each standard, monitoring 433M and power supply, earlier through the LC filter circuit along separate routes, up-convert to the 13G microwave signal through descending 2G frequency changer circuit, descending 13G frequency changer circuit again, after the filtering of 13G duplexer, export descending 13G microwave signal, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission; TU Trunk Unit ODU frequency conversion integrated module (7b) receives and extends up 13G microwave signal that capping unit sends over by the filtering of 13G duplexer, down-convert to the 100M intermediate-freuqncy signal through up 13G frequency changer circuit, 2G frequency changer circuit again, close the road by the LC filter circuit again, the LC filtering loop (5b) that sends to TU Trunk Unit is further processed.
As shown in Figure 8, in (4) part, extend capping unit ODU frequency conversion integrated module and comprise LC filter circuit, the descending lower frequency changer circuit of two-stage, the up up-converter circuit of two-stage and 13G duplexer four parts composition.After TU Trunk Unit ODU frequency conversion integrated module (1c) receives the descending 13G microwave signal of each standard, through the filtering of 13G duplexer, down-convert to the 100M intermediate-freuqncy signal by descending 13G frequency changer circuit, 2G frequency changer circuit again, close the road by the LC filter circuit again, the LC filtering loop (2c) that sends to TU Trunk Unit is further processed.Extend capping unit ODU frequency conversion integrated module (1c) and receive the mixed signal of the up 300M signal of each standard, monitoring 433M and power supply earlier through the shunt of LC filter circuit, up-convert to the 13G microwave signal through up 2G frequency changer circuit, up 13G frequency changer circuit again, after the filtering of 13G duplexer, export the descending 13G microwave signal of each standard, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission.
As shown in Figure 9, in (4) part, extend capping unit extension integrated module and comprise standard 1 descending 100M low-noise amplification circuit, standard 1 down link down-converter circuit, standard 1 down link up-converter circuits, standard 1 up 300M low-noise amplification circuit, standard 1 up link down-converter circuit, standard 1 up link up-converter circuits, standard 2 descending 100M low-noise amplification circuit, standard 2 down link down-converter circuit, standard 2 down link up-converter circuits, standard 2 up 300M low-noise amplification circuit, standard 2 up link down-converter circuit, standard 2 up link up-converter circuits, standard 3 descending 100M low-noise amplification circuit, standard 3 down link down-converter circuit, standard 3 down link up-converter circuits, standard 3 up 300M low-noise amplification circuit, standard 3 up link down-converter circuit, standard 3 up link up-converter circuits 18 parts;Extending capping unit extension integrated module (3c) receives behind each standard signal after the shunt of LC filtering loop, amplify by extending each standard low-noise amplification circuit of integrated module (3c), each standard down link lower frequency changer circuit is down-converted to each standard intermediate-freuqncy signal, then send descending digital intermediate frequency frequency-selecting module (5c) to and carry out the ADC sampling, Digital Signal Processing, the DAC sampling processing, each standard intermediate-freuqncy signal after the processing reenters extends capping unit extension integrated module (3c), be converted to each standard downlink radio-frequency signal by the down link up-converter circuit that extends each standard of integrated module (3c), output to the descending power amplifier of multi-modulation scheme (6c) and amplify.Extending capping unit extension integrated module (3c) receives through filtered each the standard upward signal of multi-modulation scheme duplexer, amplified by the low-noise amplification circuit of extending each standard of integrated module (3c), change to each standard intermediate-freuqncy signal under the up link lower frequency changer circuit of each standard, then send digital intermediate frequency frequency-selecting module (4c) to and carry out the ADC sampling, Digital Signal Processing, the DAC sampling processing, each standard intermediate-freuqncy signal after the processing reenters extends capping unit extension integrated module (3c), be converted to the up 300M radiofrequency signal of each standard by the up link up-converter circuit that extends each standard of integrated module (3c), output to LC filtering loop and further handle.
As shown in figure 11, in (4) part, extend the descending power amplification integrated module of capping unit multi-modulation scheme and comprise standard 1 descending digital pre-distortion power amplifying circuit, standard 2 descending digital pre-distortion power amplifying circuit, standard 3 descending digital pre-distortion power amplifying circuit three parts.Each standard radiofrequency signal through extending after capping unit extends each standard down link up-conversion of integrated module (3c) enters the extension capping unit descending power amplification integrated module of multi-modulation scheme (6c), amplified by the descending power amplifier of each standard of the descending power amplification integrated module of multi-modulation scheme (6c), behind each standard radiofrequency signal process multi-modulation scheme duplexer (7c) after the amplification, carry out the multi-modulation scheme signal by the wideband retransmitting antenna and cover.
As shown in figure 12, in (5) part, the descending power amplifier of TU Trunk Unit multi-modulation scheme (4b) and the extension descending power amplifier of capping unit multi-modulation scheme (6c) have all adopted digital pre-distortion technology, digital pre-distortion technology adopts data processor to build a nonlinear circuit opposite with the radio-frequency (RF) power amplification nonlinear characteristic at the intermediate-frequency section of transmitting chain, can be with the linear amplification of input signal after superposeing with power amplifier.Reach linearizing purpose by the contrary characteristic in amplifier front construction power amplifier nonlinear distortion, and come the parameter of adaptive updates inversion model to come the nonlinear drift of compensated amplifier by system output and the difference of Expected Response, lock the transmission characteristic of different power amplifiers.In the predistortion adjusting stage, wireless signal shines upon through constellation point, after pulse shaping filter, sampling etc. are handled, produces the input signal of predistorter: the data group I of inphase quadrature again
n, Q
n, through behind the predistortion correction, predistorter output data are ^I
n, ^Q
n, this adjusted data experience D/ A conversion, modulation, amplification output.In the self adaptation stage, get the output signal of power amplifier through demodulation, sample then, again it is compared with input signal, and adopt certain adaptive algorithm, and be used for the self adaptation adjustment of predistorter, determine " the predistortion correction degree " of data next time.The more complete course of work once that Here it is.After system's power amplifier has adopted digital pre-distortion technology, effectively reduce power consumption, improved the efficient of power amplifier, made whole system efficient energy-saving more.
Claims (4)
1. energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system is characterized in that: this system is by access unit (a), TU Trunk Unit (b) and extend capping unit (c) and form;
After described access unit is coupled the downlink radio-frequency signal of each standard from each standard base station, behind the multi-modulation scheme duplexer of integrated module (1a), descending frequency changer circuit by each standard of integrated module (1a) is converted to the descending intermediate-freuqncy signal of each standard, the descending intermediate-freuqncy signal of each standard is carried out ADC sampling, Digital Signal Processing and light/electricity conversion through access unit digital intermediate frequency plate (4a), and each the standard downlink optical signal after light/electricity conversion is sent to described TU Trunk Unit (b) by the digital light module by optical fiber; Described TU Trunk Unit (b) sends the uplink optical signal of each standard, enter into access unit digital intermediate frequency plate (4a) through after the described digital light module, after carrying out light/electric conversion, Digital Signal Processing, DAC sampling by access unit digital intermediate frequency plate (4a), output to integrated module (1a), after being converted to the up radiofrequency signal of each standard by the up frequency changer circuit of each standard of integrated module (1a), turn back to the base-station interface of each standard through described multi-modulation scheme duplexer;
After described TU Trunk Unit (b) receives each the standard downlink optical signal that transmits from described access unit (a), be transferred to TU Trunk Unit digital intermediate frequency plate (1b) after the digital light module reception through TU Trunk Unit (b) and carry out light/electricity conversion, Digital Signal Processing, the DAC sampling, the descending intermediate-freuqncy signal of each standard of output is transferred to multi-modulation scheme frequency conversion integrated module (2b) respectively, behind the downlink radio-frequency signal of descending frequency changer circuit frequency conversion for each system examination by each standard of multi-modulation scheme frequency conversion integrated module (2b), amplify through the descending power amplification integrated module of multi-modulation scheme (4b), each the standard downlink radio-frequency signal after the amplification is transmitted into the area of coverage by the wideband retransmitting antenna behind the first multi-modulation scheme duplexer (6b); Send the up radiofrequency signal of each standard from this TU Trunk Unit area of coverage, behind the first multi-modulation scheme duplexer (6b), up low noise circuit by each standard of multi-modulation scheme frequency conversion integrated module (2b) amplifies, the up frequency changer circuit of each standard is converted to the up intermediate-freuqncy signal of each standard, enter into TU Trunk Unit digital intermediate frequency plate (1b) then respectively and carry out ADC sampling, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit (a) by the digital light module of this TU Trunk Unit (b) by optical fiber;
After described TU Trunk Unit (b) receives each the standard downlink optical signal that transmits from described access unit (a), enter into TU Trunk Unit digital intermediate frequency plate (1b) after the digital light module through TU Trunk Unit (b) and carry out light/electricity conversion respectively, Digital Signal Processing, after the DAC sampling, the descending intermediate-freuqncy signal of exporting each standard enters into intermediate frequency frequency conversion integrated module (3b), by the descending frequency changer circuit frequency conversion of each standard of intermediate frequency frequency conversion integrated module (3b) be the descending 300M radiofrequency signal of each standard by LC filtering loop (5b) each standard 300M signal, pilot signal and power supply close the road, be input to an ODU frequency conversion integrated module (7b), again by the LC filter circuit of an ODU frequency conversion integrated module (7b) along separate routes, the two-stage up-conversion circuit upconverts to the 13G microwave signal, then after the filtering of 13G microwave signal process 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission again;
The up 13G relaying of each standard microwave signal that described extension capping unit (c) sends, 13G duplexer filtering by an ODU frequency conversion integrated module (7b), the two-stage lower frequency changer circuit is down-converted to the 100M radiofrequency signal, after the road is closed in the filtering of LC filter circuit, LC filter circuit through a LC filtering loop (5b) goes out each standard 100M signal along separate routes again, up low noise circuit by each standard of intermediate frequency frequency conversion integrated module (3b) amplifies, the up frequency changer circuit of each standard is converted to the up intermediate-freuqncy signal of each standard, enter into TU Trunk Unit digital intermediate frequency plate (1b) then and carry out the ADC sampling respectively, Digital Signal Processing and light/electricity conversion, each the standard uplink optical signal after light/electricity conversion is sent to access unit (a) by the digital light module by optical fiber;
After described extension capping unit (c) receives the descending 13G microwave relay of the multi-modulation scheme microwave signal that TU Trunk Unit (b) sends over by high-gain 13G microwave relay antenna, elder generation is through the 13G duplexer filtering of the 2nd ODU frequency conversion integrated module (1c), after the two-stage lower frequency changer circuit is down-converted to 100M radiofrequency signal and the filtering of LC filter circuit, LC filter circuit through the 2nd LC filtering loop (2c) goes out each standard downstream signal along separate routes, each standard downstream signal enters the frequency changer circuit that extends each standard of integrated module (3c) and is down-converted to each standard intermediate frequency, each standard intermediate frequency is exported to descending digital intermediate frequency frequency-selecting module (5c) and is carried out ADC sampling then, Digital Signal Processing, after the DAC sampling, output to descending frequency conversion integrated module (5c) again, in descending frequency conversion integrated module (5c), each standard intermediate-freuqncy signal is up-converted to each standard downlink radio-frequency signal, amplify by multi-modulation scheme duplexer (7c) by the descending digital pre-distortion power amplifying integrated module of multi-modulation scheme (6c) at last and launched by the wideband retransmitting antenna, signal blind zone is covered;
Receive the up radiofrequency signal of each standard equally through behind the second multi-modulation scheme duplexer (7c) from the wideband retransmitting antenna, enter and extend the up low noise amplifier circuit amplification of each standard of integrated module (3c), the up frequency changer circuit of each standard is down-converted to the intermediate frequency of each standard, export to upstream digital frequency-selecting of intermediate frequency module (4c) then and carry out the ADC sampling, Digital Signal Processing, after the DAC sampling, output to and extend integrated module (3c), each standard up-converts to the up 300M radiofrequency signal of each standard in extending integrated module (3c), be transported to the LC filter circuit of LC filtering loop (2c) the 300M signal of each standard, pilot signal and power supply close the road, again through the LC filter of the 2nd DOU frequency-variable module (1c) along separate routes, after the two-stage up-conversion circuit upconverts to 13G microwave signal and the filtering of 13G duplexer, by the emission of high-gain 13G microwave relay antenna, carry out relay transmission.
2. energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system according to claim 1, it is characterized in that: the integrated module of described access unit comprises multi-modulation scheme duplexer and the up link frequency converter partial circuit that is connected with this multi-modulation scheme duplexer and down link frequency converter partial circuit.
3. energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system according to claim 1, it is characterized in that: described multi-modulation scheme frequency conversion integrated module comprises standard 1 up converter circuit, standard 1 descending converter circuit, standard 1 up low noise cancellation circuit, standard 2 up converter circuits, standard 2 descending converter circuits, standard 2 up low noise cancellation circuits, standard 3 up converter circuits, standard 3 descending converter circuits, standard 3 up low noise cancellation circuits; Described standard 1 up converter circuit is connected with standard 1 up low noise cancellation circuit; Standard 2 up converter circuits are connected with standard 2 up low noise cancellation circuits; Standard 3 up converter circuits are connected with standard 3 up low noise cancellation circuits.
4. energy-saving multi-modulation scheme multi-carrier digital optical fiber microwave far-distance stretch system according to claim 1, it is characterized in that: the descending power amplification integrated module of described multi-modulation scheme comprises standard 1 descending power amplifier, standard 2 descending power amplifiers, standard 3 descending power amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200762951U CN203219304U (en) | 2013-02-19 | 2013-02-19 | Energy-efficient multicarrier digital fiber microwave remote extension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200762951U CN203219304U (en) | 2013-02-19 | 2013-02-19 | Energy-efficient multicarrier digital fiber microwave remote extension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203219304U true CN203219304U (en) | 2013-09-25 |
Family
ID=49208805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200762951U Expired - Lifetime CN203219304U (en) | 2013-02-19 | 2013-02-19 | Energy-efficient multicarrier digital fiber microwave remote extension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203219304U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301022A (en) * | 2014-10-28 | 2015-01-21 | 成都锐新科技有限公司 | Microwave communication device based on UHF frequency bands |
| CN104363027A (en) * | 2014-10-28 | 2015-02-18 | 成都锐新科技有限公司 | Microwave frequency hopping transceiver |
| CN104539307A (en) * | 2014-12-02 | 2015-04-22 | 苏州沃斯麦机电科技有限公司 | Signal processing system based on segmented pi-type low-pass filter circuit |
| CN107863986A (en) * | 2017-12-11 | 2018-03-30 | 深圳国人通信股份有限公司 | Integrated power amplifier module structure |
-
2013
- 2013-02-19 CN CN2013200762951U patent/CN203219304U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301022A (en) * | 2014-10-28 | 2015-01-21 | 成都锐新科技有限公司 | Microwave communication device based on UHF frequency bands |
| CN104363027A (en) * | 2014-10-28 | 2015-02-18 | 成都锐新科技有限公司 | Microwave frequency hopping transceiver |
| CN104539307A (en) * | 2014-12-02 | 2015-04-22 | 苏州沃斯麦机电科技有限公司 | Signal processing system based on segmented pi-type low-pass filter circuit |
| CN107863986A (en) * | 2017-12-11 | 2018-03-30 | 深圳国人通信股份有限公司 | Integrated power amplifier module structure |
| CN107863986B (en) * | 2017-12-11 | 2023-10-27 | 深圳国人无线通信有限公司 | Integrated power amplifier module structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10763952B2 (en) | Systems and methods for a fronthaul network | |
| KR20140037912A (en) | Distributed antenna system architectures | |
| CN203219304U (en) | Energy-efficient multicarrier digital fiber microwave remote extension system | |
| CN205179054U (en) | Compatible TDD of full bandwidth of multimode and FDD's two -way enlarged wireless repeater system | |
| CN107888274A (en) | Movable signal relay amplification device | |
| CN101277480A (en) | Direct amplifier station eliminating self-excitation interference | |
| CN102307064A (en) | Frequency-shift-based multi-system analogue fiber broadband access system and transmission method thereof | |
| CN203574664U (en) | LTE digital double-channel transmission apparatus | |
| Wang et al. | A 2.4 GHz bidirectional power amplifier extending nodes distance of transmission to 14.8 km for amorphous flat air-to-ground wireless ad hoc network | |
| CN102215045B (en) | Transceiver capable of simultaneously covering second generation (2G) and third generation (3G) signals and signal processing method of transceiver | |
| CN202634703U (en) | Intelligent digital wireless repeater | |
| CN202121587U (en) | Companding remote stretch system for energy-saving multicarrier digital optical fiber | |
| CN102271106B (en) | Pre-distortion processing method and device | |
| CN203632663U (en) | LTE double-channel transmission device | |
| CN203788468U (en) | Digital optical fiber remote device with GSM, DCS, TD-SCDMA and WLAN coexistence | |
| CN203166923U (en) | Digital microwave optical fiber zooming distribution system | |
| CN101420397B (en) | Digital repeater station and self-excited eliminating method and device | |
| CN202261291U (en) | Double-frequency band digital wireless repeater and the system thereof | |
| CN202231868U (en) | Multi-system digital enclave compressing and dispreading system | |
| CN201781489U (en) | Wireless repeater with function of eliminating feedback interference signals | |
| CN201536367U (en) | Micro-power repeater | |
| CN205921592U (en) | Radio frequency digital module in integration | |
| CN202759450U (en) | Lte repeater | |
| CN101959326A (en) | Digital optic-fiber repeater | |
| CN201039179Y (en) | Base band feedback self-excitation resistance module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA YOUKE COMMUNICATION TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FUJIAN YOUKE COMMUNICATION TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 350005 Cangshan science and Technology Park, Fujian District, Fuzhou, No. 6, No. 1 Patentee after: CHINA YOUKE COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 350005 Cangshan science and Technology Park, Fujian District, Fuzhou, No. 6, No. 1 Patentee before: Fujian Youke Communication Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130925 |