CN103248389A - TD-LTE230MHz (Time Division Long Term Evolution 230MHz) based electric power wireless wideband radio frequency processing unit - Google Patents
TD-LTE230MHz (Time Division Long Term Evolution 230MHz) based electric power wireless wideband radio frequency processing unit Download PDFInfo
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Abstract
The invention relates to a TD-LTE230MHz (Time Division Long Term Evolution 230MHz) based electric power wireless wideband radio frequency processing unit. The radio frequency processing unit comprises a radio frequency system, an antenna feed system and an operating interface, wherein the antenna feed system comprises a power amplifier low-noise amplifier module, a power module, a lightning protection module; the radio frequency system comprises a digital processing module and a filter module; the operating interface module comprises an alarm interface, a fiber interface, a power interface and an antenna interface; the power amplifier low-noise amplifier module, the power module, the alarm module and the fiber interface are respectively connected with the digital processing unit; the power interface, the lightning protection module and the power module are sequentially connected; the antenna interface, the filter module and the power amplifier low-noise amplifier module are sequentially connected; and the radio frequency processing unit adopts a box structure. Aiming at the characteristics of more terminals, wide distribution, strong timeliness and high downstream and upstream bandwidth demands of power business, the invention designs the TD-LTE technology-based radio frequency processing unit for a power wireless wideband communication system. The radio frequency processing unit adopts an authorized frequency band between 23 MHz and 235 MHz and is of great significance for the construction of an intelligent power grid communication information platform.
Description
Technical field
The present invention relates to the electric power wireless communication field, be specifically related to a kind of electric power WiMAX RF processing unit based on TD-LTE230MHz.
Background technology
Intelligent grid is the developing direction of following electrical network, and power communication system is to realize intelligent grid informationization, interactive important step, and wherein wireless communication technology has occupied consequence with its peculiar advantage in intelligent adapted power grid construction.Along with the evolution upgrading of wireless communication technology, the industry of radio communication service is more and more, and it is more and more rare that radio spectrum resources becomes, and is difficult to distribute suitable frequency spectrum resource for the novel radio wide-band communication system.Do not have pipe 1991[5 according to state] number files specify, be divided into 40 discrete carriers of dispensing power industry between the 223MHz-235MHz, the main simulation data radio station mode that adopts is transmitted data for a long time, 230 data radio station data rates are very low, Mean Speed only is 8000b/s, and Network Management Function is on the weak side, can only realize point-to-point transmission, do not possess the large-scale network-estabilishing ability, can't satisfy intelligent grid interactive service demand well.A lot of provincial Utilities Electric Co.s progressively replace 230 data radio stations by the form of renting public network, thereby make Utilities Electric Co. authorize frequency spectrum more and more to can not get effective use, GPRS/CDMA is because its public network attribute, GPRS/CDMA transmission bandwidth deficiency (the theoretical maximum instantaneous speed of GPRS 171kbps, actual measurement is generally 8～48kbps; The theoretical speed 153.6Kbps of CDMA1X, actual measurement is generally 50～80kbps), can't effectively carry high speed, two-way interaction business in the intelligent grid.
For effectively promoting the service efficiency that frequency spectrum is authorized by Utilities Electric Co., need badly and adopt current state-of-the-art mobile communication technology design novel electric power Wireless Broadband Communication Systems to carry the high speed of intelligent grid, interactive business easily and flexibly, should possess special-purpose frequency spectrum, at a high speed, low time delay, scheduling of resource ability be strong, the features such as security service of different brackets are provided for different business.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of based on TD ?the 230MHz electric power WiMAX RF processing unit of LTE technology, the present invention adopts the electric power mandate frequency range between the 223MHz-235MHz, the characteristics many at the power business terminal, that distribution is wide, real-time, the upstream and downstream bandwidth demand is high, specialized designs is based on the RF processing unit of the novel electric power Wireless Broadband Communication Systems of TD-LTE technology, and is significant to making up intelligent grid communication information platform.
The objective of the invention is to adopt following technical proposals to realize:
A kind of electric power WiMAX RF processing unit based on TD-LTE230MHz, its improvements are that described RF processing unit comprises radio system, antenna-feedback system and runnable interface; Described antenna-feedback system comprises power amplifier LNA module, power module, lightning-protection module; Described radio system comprises digital signal processing module and filter module; Described runnable interface comprises alarm interface, optical fiber interface, power interface and antennal interface;
Described power amplifier LNA module, power module, alarm interface are connected with digital processing element respectively with optical fiber interface;
Described power interface, lightning-protection module and power module are connected successively; Described antennal interface, filter module and power amplifier LNA module are connected successively;
Described RF processing unit is body structure.
Wherein, described antenna-feedback system comprises radio-frequency (RF) switch, antenna and feeder line; Described antenna is connected the back successively with feeder line and is connected with described filter module by antennal interface again; Described radio-frequency (RF) switch connects antenna and feeder line, is used for control and finishes signal amplification and transceiver func-tions.
Wherein, described digital signal processing module adopts digital processing unit, is used for finishing digital processing, digital transceiver and the function of combining frequently.
Wherein, described filter module is used for the outer interference signal of the band that receives is suppressed, to outer spuious the inhibition and the radio frequency lightning protection of the band of base station emission.
Wherein, described power amplifier LNA module be used for to digital signal amplify, filtering, the read-write capability of temperature detection and hardware supports integrated circuit board preset data provides the coupling channel of antennal interface to digital signal processing module.
Wherein, described power module is used for voltage transformation, (the filtering here refers to the filtering to the mains harmonics electric current in electromagnetic interference EMI filtering, not the filtering to electromagnetic signal), the output fault warning (if harmonic wave too conference influence the normal use of equipment, exceeding threshold value will alarm prompt, and this part is that the quality of power supply to civil power requires equally).
Wherein, described lightning-protection module comprises calibration and electrical tilt antenna lightning protection device, and protection calibration and electrically adjustable antenna interface exempt from the induction of being introduced by feeder line.
Wherein, described optical fiber interface is made of two optical fiber connectors, and one of them optical fiber interface is used for the optical fiber physical connection between RF processing unit and baseband processing unit BBU or the upper level RF processing unit; Optical fiber indicator is connected with described digital signal processing module by described optical fiber interface; Be used for the state that reflection RF processing unit optical fiber link is normal or disconnect.
Wherein, described power interface adopts the AC/DC of straight formula plug and band waterproof cover to share; For described RF processing unit provides external power source; Power supply indicator is connected with power module by power interface; Described power supply indicator is used for the state of the described RF processing unit power or power-down of reflection.
Wherein, described alarm interface provides the external debug interface for described RF processing unit; Alarm equipment is connected with digital signal processing module by alarm interface.
Wherein, described runnable interface comprises ground connection mouth and ventilative interface; Described ground connection mouth provides protection ground for described RF processing unit;
The earth connection terminal is by the ground connection mouth and adopt screw to be fastened on the RF processing unit; Described earth connection terminal is that yellow/green cable connects; Described ventilative interface adopts ventilated membrane to realize; For RF processing unit provides air exchange, make RF processing unit cabinet internal and external pressure balance.
Wherein, described RF processing unit comprises five logic function unit, is respectively interface processing module, down link transceiver channel module, up link transceiver channel module, control and management module and antenna-feedback system.
Wherein, described interface processing module is used for being responsible for interface conversion and the protocol analysis of described runnable interface;
Described down link transceiver channel module is used for finishing described digital signal processing module digital signal to the conversion of radiofrequency signal;
Described down link transceiver channel module is used for receiving described radiofrequency signal, and is transformed to digital signal by described filter module;
Described control and management modular unit is used for being responsible for control and the management of RF processing unit, realizes Local or Remote configuration, monitoring, test, alarm, the upgrade function of RF processing unit.
Wherein, described RF processing unit adopts based on real-time embedded operating system OS, is divided into three rank tissues of a layer Layer, module Module and object Object.
Wherein in, described RF processing unit comprises network management system; Described network management system is used for providing initialization, configuration management, alarm management, condition managing, the software version management of RF processing unit.
Wherein, described initialization is used for finishing the startup of RF processing unit device power.
Wherein, described configuration management comprises plant maintenance and carrier wave configuration; Described plant maintenance is that baseband processing unit is carried out plant maintenance; Described baseband processing unit is inquired about or is set the RF processing unit state by the transmitting apparatus maintenance class message; Foundation, reprovision and the delete function of carrier wave supported in described carrier wave configuration to RF processing unit.
Wherein, plant maintenance class information query comprises the RF processing unit information query, the optical fiber interface status poll, the CPU usage inquiry, the RF processing unit positional information is set in the memory usage inquiry, the nearest maintenance dates of RF processing unit is set, heartbeat detection, the real-time time constant TOD time asks, the RF processing unit hardware testing, the link loopback test, RF processing unit resets, and Debugging message is set prints rank, and the RF processing unit Debugging message reports.
Wherein, described alarm management is that RF processing unit equipment support alarm is produced initiatively reporting information, and described reporting information comprises the alarm log preservation, and alarm log is uploaded, and alarm log is removed.
Wherein in, described software version management function comprises: the software upgrading request that baseband processing unit query software version, baseband processing unit are initiated, software upgrading is reporting functions as a result.
Wherein, the working frequency range of described RF processing unit is between 223MHz-235MHz.
Compared with the prior art, the beneficial effect that reaches of the present invention is:
1, the electric power WiMAX RF processing unit based on TD-LTE230MHz provided by the invention is in the special-purpose frequency range of 230MHz electric power, and this unit comprises radio system and antenna-feedback system.The RF processing unit remote equipment connects antenna, finish the functional unit that signal amplifies and transmitting-receiving is believed, the small-signal amplification of optical fiber link interface, the high power amplifier of finishing intermediate frequency process, smart antenna downlink, upward signal, the filtering to the turnover signal, the functions such as last down-conversion of analog signal.Antenna-feedback system comprises antenna and feeder line; be used for receiving and emitting radio frequency signal; last down-conversion, carrier wave that RF processing unit is finished between baseband signal and the radiofrequency signal close Digital Signal Processing work such as road/separation, pulse-shaping filtering; realization collect mail/post a letter control, frequently combine control; the number of users that improves the base station carrying, base station scheduling real-time etc. are required equal tool significantly difference and public network, be adapted at the electric power system scale and use.
2, the invention provides have the multi-user, RF processing unit that the suitable electric power system of low time delay, wide covering power is used, can improve number of users, the base station scheduling real-time of base station carrying, be convenient to Utilities Electric Co. and make up low-cost, wide covering, intelligentized electric power Wireless Broadband Communication Systems.
Description of drawings
Fig. 1 is RF processing unit structural representation provided by the invention;
Fig. 2 is RF processing unit schematic diagram of the function provided by the invention;
Fig. 3 is control provided by the invention and management C﹠M data flow diagram;
Fig. 4 is RF processing unit wireless data flow diagram provided by the invention;
Fig. 5 is SR resource structures figure provided by the invention;
Fig. 6 is RF processing unit box inner structure figure provided by the invention;
Fig. 7 is external interface provided by the invention position and interface position figure.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
RF processing unit structural representation provided by the invention comprises radio system, antenna-feedback system and runnable interface as shown in Figure 1; Antenna-feedback system comprises power amplifier LNA module, power module, lightning-protection module; Described radio system comprises digital signal processing module and filter module; Runnable interface comprises alarm interface, optical fiber interface, power interface and antennal interface; Power amplifier LNA module, power module, alarm interface and optical fiber interface are connected with digital processing element respectively; Power interface, lightning-protection module and power module are connected successively; Antennal interface, filter module and power amplifier LNA module are connected successively; Described RF processing unit is body structure.
RF processing unit box inner structure provided by the invention, external interface position and interface position figure are as shown in Figure 6 and Figure 7.Wherein the integrated board among Fig. 6 comprises digital signal processing module, alarm interface and optical fiber interface.
Antenna-feedback system comprises radio-frequency (RF) switch, antenna and feeder line; Described antenna is connected the back successively with feeder line and is connected with described filter module by antennal interface again.Radio-frequency (RF) switch connects antenna and feeder line, is used for control and finishes signal amplification and transceiver func-tions.
Digital processor module (MRDPU): MRDPU mainly finishes digital signal processing module, the function of transmitting-receiving letter module, frequently comprehensive module.
Power amplifier LNA module (MRPLU): to signal amplify, filtering, the read-write capability of temperature detection and hardware supports integrated circuit board preset data provides antenna opening to arrive the coupling channel of MRDPU.
Filter module (MRFLTD): the outer interference signal of the band that receives is carried out certain inhibition, to the band of base station self emission outer spuious carry out necessary inhibition, radio frequency lightning protection.
Power module (MRPSU): voltage transformation, EMI filtering, output fault warning.
Lightning-protection module (MRSPD): comprise calibration and electrical tilt antenna lightning protection device, protection calibration and electrical tilt antenna port exempt from the induction of being introduced by outside feeder line.
The RF processing unit runnable interface is described below shown in the table 1-table 7:
Table 1 RF processing unit external interface
Optical fiber interface:
Table 2 OPT1 interface is described
Power interface:
Table 3 PWR interface is described
Alarm interface (ALARM):
Table 4 alarm interface is described
The ground connection interface:
Table 5 GND interface is described
Ventilation mouth:
Table 6 VENT interface is described
The running indicator interface:
Table 7 running indicator interface is described
RF processing unit comprises five logic function unit, IPM(Interface﹠amp; Protocol-Engine Module) the interface processing module is responsible for interface conversion and protocol analysis; DCM(Downlink Channal Module) down link transceiver channel module is finished digital signal to the conversion of radiofrequency signal, comprises operations such as DAC conversion; UCM(Uplink Channal Module) up link receiving channel module up link module received RF signal, and be transformed to digital signal after handling, include operations such as filtering, ADC conversion; CMM(Control﹠amp; Management Module) the control and management modular unit is responsible for control and the management of RF processing unit, functions such as the Local or Remote configuration of realization system, monitoring, test, alarm, upgrading, AFS(Antenna Feedback Subsystem) antenna-feedback system, as shown in Figure 2.
40 frequencies that the invention provides the work of TD-LTE230MHz electric power Wireless Broadband Communication Systems RF processing unit are as shown in the table:
Table 8 electric power mandate frequency
| Single power frequency point | Duplex frequency (main platform) | Single power frequency point (genus platform) |
| 228.075 | 230.525 | 223.525 |
| 228.125 | 230.675 | 223.675 |
| 228.175 | 230.725 | 223.725 |
| 228.250 | 230.850 | 223.850 |
| 228.325 | 230.950 | 223.950 |
| 228.400 | 231.025 | 224.025 |
| 228.475 | 231.125 | 224.125 |
| 228.550 | 231.175 | 224.175 |
| 228.675 | 231.225 | 224.225 |
| 228.750 | 231.325 | 224.325 |
| ? | 231.425 | 224.425 |
| ? | 231.475 | 224.475 |
| ? | 231.525 | 224.525 |
| ? | 231.575 | 224.575 |
| ? | 231.650 | 224.650 |
Control and management traffic (C﹠M), control and management traffic comprise from alarm interface and local C﹠M data and the long-range C﹠M data that are encapsulated in the optical interface protocol frame.As shown in Figure 3, the red unidirectional traffic that flows to each module from CMM represents that the CMM module is to the configuration of individual device, and the red bidirectional traffic between baseband processing unit is represented and baseband processing unit between mutual, finish baseband processing unit to the configuration of RF processing unit, RF processing unit alarm report etc.Empty frame LMT-B represents the alarm interface of RF processing unit, and blue bidirectional traffic is represented to administer and maintain function OAM interacting message between CMM and LMT-B.Local among Fig. 3 is home server, BBU is the abbreviation of Building Base band Unit, the expression RF processing unit, IMT, MIXER is frequency mixer, PA is the abbreviation of Power Amplifer, be power amplifier, LNA is the abbreviation of Low Noise Amplifier, the expression low noise amplifier, DUC is the abbreviation of Digital Up Converter, the expression Digital Up Convert, DDC is the abbreviation of Direct Digital Contro, the control of expression Direct Digital, IPM is the abbreviation of Intelligent Power Module, the expression Intelligent Power Module, OPT represents the optical fiber connector.
Wireless stream of data comprises downstream data flow and upstream, has shown the flow direction of single channel data among Fig. 4, flow through OPT1 and OPT2 data flow show that two light mouths are all for the IQ between baseband processing unit and RF processing unit and synchronous data transmission.After the down direction RF processing unit receives the IQ data from baseband processing unit, do Digital Up Convert through the DUC module and handle, be mixed to radio frequency after the process digital-to-analogue conversion becomes analog intermediate frequency again, through circulator and antenna emission.Upward signal is received by antenna, amplifies through LNA to downconvert to analog intermediate frequency by frequency mixer, obtains digital medium-frequency signal by the AD sampling, passes through the DDC Digital Down Convert again to base band, is sent to baseband processing unit by optical module.
Slave among Fig. 4 represents a kind of communication interface; Master represents main frame; OIM is the abbreviation of Operational Infrastructure Management, the management of expression operation infrastructure; Q represents that electric weight, CFR represent the radio frequency facility; DPD is the abbreviation of DigitalPre-DistortiON, the expression digital pre-distortion; AGC is the abbreviation of Automatic Gain Control, the expression automatic gain controller; IQ represents the base band orthogonal signalling; Mixer represents frequency mixer; LNA is the abbreviation of Low Noise Amplifer, the expression low noise amplifier; PA is the abbreviation of Power Amplifer, the expression power amplifier; Circulator represents circulator.
Because in TD-LTE230 electric power Wireless Broadband Communication Systems access procedure, preceding 4 symbols of the ascender on each frequency are assigned to the position of dispatch request, on this position, produce 8 lead codes by cyclic shift and be used for supporting that different users sends dispatch request simultaneously, so in order to prevent the interference of adjacent residential quarter, (being 200ms) residential quarter in per 8 25ms frames
Can be assigned to one nearby base station ascending pilot frequency UpPTS carry out the transmission of terminal up dispatching, in order to increase the flexibility of scheduling, these 8 lead code resources reserve 2 as fast dispatch for interim use.Therefore, every 200ms just has 6 dispatch request resources on a frequency.So just have 240 resources can be used for sending dispatch request in the time in per 8 radio frames (200ms), the SR resource structures as shown in Figure 5.
According to State Grid Corporation of China's adapted electricity relevant criterion, data acquisition user's scheduling delay requirement is less than 2s, wherein main time delay from the time delay of eating dishes without rice or wine, so the TD-LTE230 wireless broadband access system satisfies the number of users that the time delay demand can distribute at most and is (2s/200ms) * 240=2400.When number of users reaches 2400, system resource allocation will encounter difficulties, and leave certain redundancy for guaranteeing the system stability need of work, and system's maximum number of user is set at 2000.
The RF processing unit network management system provides function of initializing, configuration management function, alarm management, condition managing, functions such as version management.The message that comprises is divided into following a few class: device initialize, equipment control and maintain message, the message that carrier wave is relevant, antenna calibration related news, alarm related news, software administration related news, related news such as electrical tilt antenna.
After function of initializing is finished the startup of RF processing unit device power, connect with baseband processing unit, downloading software if desired then downloads software to this locality and starts redaction from the baseband processing unit side, download configuration data and configuration, the current state of reporting radio frequency processing unit is given baseband processing unit then.
Plant maintenance functional group tape handling unit is inquired about or is set the RF processing unit state by the transmitting apparatus maintenance class message.Message comprises the inquiry of RF processing unit product essential information, the status poll of light mouth, CPU usage inquiry, the memory usage inquiry, set the RF processing unit positional information, the nearest maintenance dates of RF processing unit is set, heartbeat detection, the TOD time asks, the RF processing unit hardware testing, the link loopback test, RF processing unit resets, Debugging message is set prints rank, and the RF processing unit Debugging message reports.Carrier wave configuration feature RF processing unit is supported foundation, reprovision and the delete function of carrier wave.
Alarm function RF processing unit equipment support alarm produces initiatively and reports, and alarm log is preserved, and alarm log is uploaded, functions such as alarm log removing.Software version management function RF processing unit software version management function comprises: baseband processing unit query software version, and the software upgrading request that baseband processing unit is initiated, software upgrading is reporting functions as a result.
The present invention relates to a kind of based on TD-LTE230MHz electric power wireless broadband communication RF processing unit, because electric power system is professional bigger with public network mobile communication system otherness, the present adapted electrical nodes of main body disperses, wide, aspects such as point is many, the single-node data amount little, mobility is not strong, two-way interaction.The present invention adopts the TD-LTE key technology, on 40 discrete carrier frequencies of electric power system special use, design the RF processing unit of the suitable electric power system use of a kind of multi-user of having, low time delay, wide covering power, can improve number of users, the base station scheduling real-time of base station carrying, be convenient to Utilities Electric Co. and make up low-cost, wide covering, intelligentized electric power Wireless Broadband Communication Systems.
Should be noted that at last: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although with reference to above-described embodiment the present invention is had been described in detail, those of ordinary skill in the field are to be understood that: still can make amendment or be equal to replacement the specific embodiment of the present invention, and do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (21)
1. the electric power WiMAX RF processing unit based on TD-LTE230MHz is characterized in that described RF processing unit comprises radio system, antenna-feedback system and runnable interface; Described antenna-feedback system comprises power amplifier LNA module, power module, lightning-protection module; Described radio system comprises digital signal processing module and filter module; Described runnable interface comprises alarm interface, optical fiber interface, power interface and antennal interface;
Described power amplifier LNA module, power module, alarm interface are connected with digital processing element respectively with optical fiber interface;
Described power interface, lightning-protection module and power module are connected successively; Described antennal interface, filter module and power amplifier LNA module are connected successively;
Described RF processing unit is body structure.
2. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that described antenna-feedback system comprises radio-frequency (RF) switch, antenna and feeder line; Described antenna is connected the back successively with feeder line and is connected with described filter module by antennal interface again; Described radio-frequency (RF) switch connects antenna and feeder line, is used for control and finishes signal amplification and transceiver func-tions.
3. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that, described digital signal processing module adopts digital processing unit, is used for finishing digital processing, digital transceiver and the function of combining frequently.
4. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1, it is characterized in that, described filter module is used for the outer interference signal of the band that receives is suppressed, to outer spuious the inhibition and the radio frequency lightning protection of the band of base station emission.
5. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1, it is characterized in that, described power amplifier LNA module be used for to digital signal amplify, filtering, the read-write capability of temperature detection and hardware supports integrated circuit board preset data provides the coupling channel of antennal interface to digital signal processing module.
6. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that, described power module is used for voltage transformation, electromagnetic interference EMI filtering, output fault warning.
7. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that, described lightning-protection module comprises calibration and electrical tilt antenna lightning protection device, and protection calibration and electrically adjustable antenna interface exempt from the induction of being introduced by feeder line.
8. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1, it is characterized in that, described optical fiber interface is made of two optical fiber connectors, and one of them optical fiber interface is used for the optical fiber physical connection between RF processing unit and baseband processing unit BBU or the upper level RF processing unit; Optical fiber indicator is connected with described digital signal processing module by described optical fiber interface; Be used for the state that reflection RF processing unit optical fiber link is normal or disconnect.
9. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that, described power interface adopts the AC/DC of straight formula plug and band waterproof cover to share; For described RF processing unit provides external power source; Power supply indicator is connected with power module by power interface; Described power supply indicator is used for the state of the described RF processing unit power or power-down of reflection.
10. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that described alarm interface provides the external debug interface for described RF processing unit; Alarm equipment is connected with digital signal processing module by alarm interface.
11. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that described runnable interface comprises ground connection mouth and ventilative interface; Described ground connection mouth provides protection ground for described RF processing unit;
The earth connection terminal is by the ground connection mouth and adopt screw to be fastened on the RF processing unit; Described earth connection terminal is that yellow/green cable connects; Described ventilative interface adopts ventilated membrane to realize; For RF processing unit provides air exchange, make RF processing unit cabinet internal and external pressure balance.
12. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1, it is characterized in that, described RF processing unit comprises five logic function unit, is respectively interface processing module, down link transceiver channel module, up link transceiver channel module, control and management module and antenna-feedback system.
13. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 12 is characterized in that, described interface processing module is used for being responsible for interface conversion and the protocol analysis of described runnable interface;
Described down link transceiver channel module is used for finishing described digital signal processing module digital signal to the conversion of radiofrequency signal;
Described down link transceiver channel module is used for receiving described radiofrequency signal, and is transformed to digital signal by described filter module;
Described control and management modular unit is used for being responsible for control and the management of RF processing unit, realizes Local or Remote configuration, monitoring, test, alarm, the upgrade function of RF processing unit.
14. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1, it is characterized in that, described RF processing unit adopts based on real-time embedded operating system OS, is divided into three rank tissues of a layer Layer, module Module and object Object.
15. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 1 is characterized in that described RF processing unit comprises network management system; Described network management system is used for providing initialization, configuration management, alarm management, condition managing, the software version management of RF processing unit.
16. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 15 is characterized in that, described initialization is used for finishing the RF processing unit device power and starts.
17. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 15 is characterized in that, described configuration management comprises plant maintenance and carrier wave configuration; Described plant maintenance is that baseband processing unit is carried out plant maintenance; Described baseband processing unit is inquired about or is set the RF processing unit state by the transmitting apparatus maintenance class message; Foundation, reprovision and the delete function of carrier wave supported in described carrier wave configuration to RF processing unit.
18. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 17, it is characterized in that, plant maintenance class information query comprises the RF processing unit information query, the optical fiber interface status poll, the CPU usage inquiry, the memory usage inquiry, set the RF processing unit positional information, the nearest maintenance dates of RF processing unit is set, heartbeat detection, the real-time time constant TOD time asks, the RF processing unit hardware testing, the link loopback test, RF processing unit resets, Debugging message is set prints rank, and the RF processing unit Debugging message reports.
19. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 15, it is characterized in that, described alarm management is that RF processing unit equipment support alarm is produced initiatively reporting information, described reporting information comprises the alarm log preservation, alarm log is uploaded, and alarm log is removed.
20. the electric power WiMAX RF processing unit based on TD-LTE230MHz as claimed in claim 15, it is characterized in that, described software version management function comprises: baseband processing unit query software version, and the software upgrading request that baseband processing unit is initiated, software upgrading is reporting functions as a result.
21. as each described electric power WiMAX RF processing unit based on TD-LTE230MHz among the claim 1-20, it is characterized in that the working frequency range of described RF processing unit is between 223MHz-235MHz.
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| CN106408907A (en) * | 2015-07-31 | 2017-02-15 | 深圳友讯达科技股份有限公司 | Dual-mode integrated wave trapper |
| CN106856627A (en) * | 2016-12-21 | 2017-06-16 | 国网四川省电力公司眉山供电公司 | It is adapted to the SR collocation methods of fast dispatch |
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| CN107894598A (en) * | 2017-12-25 | 2018-04-10 | 天津七六四通信导航技术有限公司 | A kind of general four-way numeral interference resistant base band circuit and implementation method |
| CN107896114A (en) * | 2016-09-29 | 2018-04-10 | 华为技术有限公司 | A kind of signal receives the method, apparatus and system with sending |
| CN108494537A (en) * | 2018-02-26 | 2018-09-04 | 北京国电通网络技术有限公司 | Uplink scheduling request resource allocation method and device applied to fast dispatch |
| CN109905341A (en) * | 2019-03-22 | 2019-06-18 | 国家电网有限公司 | A kind of high resolution audio and video ad hoc network data interaction system based on 230MHz wireless private network |
| CN111386723A (en) * | 2017-12-05 | 2020-07-07 | Oppo广东移动通信有限公司 | Method and equipment for accessing wireless access network and unauthorized access point |
| CN111884699A (en) * | 2020-08-28 | 2020-11-03 | 莱盟通信科技(上海)有限公司 | Subway wireless relay amplifier with data storage function |
| CN112241637A (en) * | 2019-07-19 | 2021-01-19 | 上海双十信息科技有限公司 | RFID reader-writer and method for externally controlling on-off of RFID reader-writer |
| CN113766446A (en) * | 2020-11-04 | 2021-12-07 | 国网安徽省电力有限公司 | Data scheduling and resource allocation method for intelligent power grid information acquisition based on 5G network |
| CN113784461A (en) * | 2021-09-16 | 2021-12-10 | 善悦(武汉)高新技术有限公司 | 5G radio frequency extension unit and communication method |
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| CN106408907A (en) * | 2015-07-31 | 2017-02-15 | 深圳友讯达科技股份有限公司 | Dual-mode integrated wave trapper |
| CN106408907B (en) * | 2015-07-31 | 2022-05-10 | 深圳友讯达科技股份有限公司 | Dual-mode comprehensive wave trap |
| CN105611538B (en) * | 2015-12-30 | 2019-02-15 | 国网信息通信产业集团有限公司 | It is a kind of for authorizing the frequency point polymerization and system of electric power radio band |
| CN105611538A (en) * | 2015-12-30 | 2016-05-25 | 国网信息通信产业集团有限公司 | Frequency point aggregation method and system for authorizing power wireless frequency bands |
| CN107896114A (en) * | 2016-09-29 | 2018-04-10 | 华为技术有限公司 | A kind of signal receives the method, apparatus and system with sending |
| CN107896114B (en) * | 2016-09-29 | 2020-04-21 | 华为技术有限公司 | Method, device and system for receiving and sending signals |
| CN106856627B (en) * | 2016-12-21 | 2020-05-26 | 国网四川省电力公司眉山供电公司 | SR configuration method suitable for fast scheduling |
| CN106856627A (en) * | 2016-12-21 | 2017-06-16 | 国网四川省电力公司眉山供电公司 | It is adapted to the SR collocation methods of fast dispatch |
| CN106912056A (en) * | 2017-04-11 | 2017-06-30 | 国网新疆电力公司昌吉供电公司 | A kind of 230MHz micro-base stations and its network-building method |
| CN106912056B (en) * | 2017-04-11 | 2020-09-08 | 国网新疆电力公司昌吉供电公司 | 230MHz micro base station and networking method thereof |
| CN107332822A (en) * | 2017-06-01 | 2017-11-07 | 国网浙江省电力公司嘉兴供电公司 | The means of defence of radio channel |
| CN111386723A (en) * | 2017-12-05 | 2020-07-07 | Oppo广东移动通信有限公司 | Method and equipment for accessing wireless access network and unauthorized access point |
| CN111386723B (en) * | 2017-12-05 | 2023-12-12 | Oppo广东移动通信有限公司 | Method, equipment and unauthorized access point for accessing wireless access network |
| CN107894598A (en) * | 2017-12-25 | 2018-04-10 | 天津七六四通信导航技术有限公司 | A kind of general four-way numeral interference resistant base band circuit and implementation method |
| CN107894598B (en) * | 2017-12-25 | 2024-01-26 | 天津七六四通信导航技术有限公司 | Universal four-channel digital anti-interference baseband circuit and implementation method |
| CN108494537A (en) * | 2018-02-26 | 2018-09-04 | 北京国电通网络技术有限公司 | Uplink scheduling request resource allocation method and device applied to fast dispatch |
| CN109905341A (en) * | 2019-03-22 | 2019-06-18 | 国家电网有限公司 | A kind of high resolution audio and video ad hoc network data interaction system based on 230MHz wireless private network |
| CN109905341B (en) * | 2019-03-22 | 2021-09-28 | 国家电网有限公司 | High-definition audio and video ad hoc network data interaction system based on 230MHz wireless private network |
| CN112241637A (en) * | 2019-07-19 | 2021-01-19 | 上海双十信息科技有限公司 | RFID reader-writer and method for externally controlling on-off of RFID reader-writer |
| CN112241637B (en) * | 2019-07-19 | 2024-05-14 | 上海双十信息科技有限公司 | RFID reader-writer and method for externally controlling on-off of RFID reader-writer |
| CN111884699A (en) * | 2020-08-28 | 2020-11-03 | 莱盟通信科技(上海)有限公司 | Subway wireless relay amplifier with data storage function |
| CN113766446A (en) * | 2020-11-04 | 2021-12-07 | 国网安徽省电力有限公司 | Data scheduling and resource allocation method for intelligent power grid information acquisition based on 5G network |
| CN113766446B (en) * | 2020-11-04 | 2023-05-30 | 国网安徽省电力有限公司 | Data scheduling and resource allocation method for intelligent power grid information acquisition based on 5G network |
| CN113784461A (en) * | 2021-09-16 | 2021-12-10 | 善悦(武汉)高新技术有限公司 | 5G radio frequency extension unit and communication method |
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