CN103248389B - 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 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 realizes intelligent grid informationization, interactive important step, and wherein wireless communication technology occupies consequence with its peculiar advantage in intelligent adapted power grid construction.Along with the evolution of wireless communication technology is upgraded, the industry of radio communication service gets more and more, and radio spectrum resources becomes more and more rare, is difficult to for novel radio wide-band communication system distributes suitable frequency spectrum resource.According to state without pipe 1991 [5] numbers file regulations, dispensing power industry 40 discrete carriers are divided between 223MHz-235MHz, the main simulation data radio station mode that adopts transmits data for a long time, 230 data radio station data rates are very low, Mean Speed is only 8000b/s, and Network Management Function is on the weak side, can only realize point-to-point transmission, do not possess large-scale network-estabilishing ability, intelligent grid interactive service demand cannot be met well.A lot of provincial Utilities Electric Co. progressively replaces 230 data radio stations by the form of renting public network, thus make Utilities Electric Co. authorize frequency spectrum more and more to can not get effective use, GPRS/CDMA is due to its public network identity, GPRS/CDMA transmission bandwidth deficiency (the theoretical maximum instantaneous speed 171kbps of GPRS, actual measurement is generally 8 ~ 48kbps; CDMA1X Theoretical Rate 153.6Kbps, actual measurement is generally 50 ~ 80kbps), effectively cannot carry the high speed in intelligent grid, two-way interaction business.
The service efficiency of frequency spectrum is authorized for effectively promoting 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 frequency spectrum, at a high speed, the feature such as low time delay, scheduling of resource ability be strong, security service that different brackets is provided for different business.
Summary of the invention
For 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 223MHz-235MHz, many for power business terminal, distribute wide, real-time, that upstream and downstream bandwidth demand is high feature, specialized designs is based on the RF processing unit of the novel electric power Wireless Broadband Communication Systems of TD-LTE technology, significant to structure intelligent grid communication information platform.
The object of the invention is to adopt following technical proposals to realize:
Based on an electric power WiMAX RF processing unit of TD-LTE230MHz, its improvements are, 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 are connected successively with power module; Described antennal interface, filter module are connected successively with power amplifier LNA module;
Described RF processing unit is body structure.
Wherein, described antenna-feedback system comprises RF switch, antenna and feeder line; Be connected with described filter module again by antennal interface after described antenna is connected successively with feeder line; Described RF switch connects antenna and feeder line, amplifies and transceiver func-tions for controlling settling signal.
Wherein, described digital signal processing module adopts digital processing unit, for completing digital processing, and digital transceiver and the function frequently combined.
Wherein, described filter module is used for suppressing the outer interfering signal of the band received, and suppresses and radio frequency lightning protection the band stray of Base Transmitter.
Wherein, described power amplifier LNA module be used for data signal is amplified, filtering, the read-write capability of temperature detection and hardware supported board preset data, provides antennal interface to the coupling channel of digital signal processing module.
Wherein, described power module is used for voltage transformation, (filtering here refers to the filtering to mains harmonics electric current in electromagnetic interference EMI filtering, not the filtering to electromagnetic signal), export fault warning (if harmonic wave too conference affect the normal use of equipment, exceeding threshold value will alarm prompt, and this part is require the quality of power supply of civil power 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 introduced by feeder line.
Wherein, described optical fiber interface is made up of two Fiber connection mouths, and one of them optical fiber interface is used for RF processing unit and is connected with the Optical Fiber Physical between baseband processing unit BBU or upper level RF processing unit; Optical fiber indicator is connected with described digital signal processing module by described optical fiber interface; For the state reflecting that RF processing unit optical fiber link is normal or disconnect.
Wherein, described power interface adopts straight plug and is with the AC/DC of 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 for reflecting the state of described RF processing unit power or power-down.
Wherein, described alarm interface provides 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 protecting field for described RF processing unit;
Earth connection terminal is by ground connection mouth and adopt screw fastening on 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, downlink transceiver channel module, up-link transceiver channel module, control and management module and antenna-feedback system.
Wherein, described interface processing module is used for interface conversion and the protocol analysis of being responsible for described runnable interface;
Described downlink transceiver channel module is for completing the conversion of described digital signal processing module data signal to radiofrequency signal;
Described downlink transceiver channel module for receiving described radiofrequency signal, and is transformed to data signal by described filter module;
Described control and management modular unit is used for the control and management being responsible for RF processing unit, realizes the Local or Remote configuration of RF processing unit, monitoring, test, alarm, upgrade function.
Wherein, described RF processing unit adopts based on real-time embedded operating system OS, is divided into a layer Layer, module Module and object Object tri-level organization.
Wherein in, described RF processing unit comprises network management system; Described network management system is for providing the initialization of RF processing unit, configuration management, alarm management, condition managing, software version management.
Wherein, described initialization has been used for the startup of RF processing unit device power.
Wherein, described configuration management comprises plant maintenance and carrier wave configuration; Described plant maintenance carries out plant maintenance to baseband processing unit; Described baseband processing unit is undertaken inquiring about or setting by transmitting apparatus maintenance class message radio frequency processing unit state; Described carrier wave configuration radio frequency processing unit supports foundation, reprovision and the delete function of carrier wave.
Wherein, plant maintenance class information query comprises RF processing unit information query, optical fiber interface status poll, CPU usage is inquired about, and memory usage is inquired about, setting 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, RF processing unit hardware testing, link loopback test, RF processing unit resets, and arrange Debugging message and print rank, and RF processing unit Debugging message reports.
Wherein, described alarm management is that radio frequency processing unit equipment supports that alarm produces active reporting information, and described reporting information comprises alarm log and preserves, and alarm log is uploaded, and alarm log is removed.
Wherein in, described software version management function comprises: baseband processing unit query software version, baseband processing unit initiate software upgrading request, software upgrading result reporting functions.
Wherein, the working frequency range of described RF processing unit is between 223MHz-235MHz.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, the electric power WiMAX RF processing unit based on TD-LTE230MHz provided by the invention is in the special frequency range of 230MHz electric power, and this unit comprises radio system and antenna-feedback system.RF processing unit remote equipment connects antenna, settling signal amplifies and the functional unit of transmitting-receiving letter, optical fiber link interface, complete IF process, the high power amplifier of smart antenna downlink, upward signal low level signal amplification, to function such as the turnover filtering of signal, the Up/Down Conversion of analog signal etc.Antenna-feedback system comprises antenna and feeder line; be used for receiving and emitting radio frequency signal; RF processing unit completes Up/Down Conversion between baseband signal and radiofrequency signal, carrier wave closes the Digital Signal Processing work such as road/separation, pulse-shaping filtering; realization collect mail/transmit control, frequently combine and control; require equal tool significantly to distinguish and public network to the number of users, base station scheduling real-time etc. that improve base station carrying, be adapted at power system scale application.
2, the invention provides the RF processing unit that uses of applicable power system with multi-user, low time delay, wide covering power, number of users, the base station scheduling real-time of base station carrying can be improved, be convenient to Utilities Electric Co. and build low cost, wide covering, intelligentized electric power Wireless Broadband Communication Systems.
Accompanying drawing explanation
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 and management C & M data flow diagram provided by the invention;
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 position provided by the invention and interface position figure.
Detailed description of the invention
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 as shown in Figure 1, comprises radio system, antenna-feedback system and runnable interface; 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 are connected with digital processing element respectively with optical fiber interface; Power interface, lightning-protection module are connected successively with power module; Antennal interface, filter module are connected successively with power amplifier LNA module; 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.Integrated board wherein in Fig. 6 comprises digital signal processing module, alarm interface and optical fiber interface.
Antenna-feedback system comprises RF switch, antenna and feeder line; Be connected with described filter module again by antennal interface after described antenna is connected successively with feeder line.RF switch connects antenna and feeder line, amplifies and transceiver func-tions for controlling settling signal.
Digital processor module (MRDPU): MRDPU mainly completes digital signal processing module, receives calling module, frequently combines the function of module.
Power amplifier LNA module (MRPLU): to amplify signal, filtering, the read-write capability of temperature detection and hardware supported board preset data, provides antenna opening to arrive the coupling channel of MRDPU.
Filter module (MRFLTD): certain suppression is carried out to the outer interfering signal of the band received, necessary suppression is carried out to the band stray of base station its own transmission, radio frequency lightning protection.
Power module (MRPSU): voltage transformation, EMI filtering, exports 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 introduced by outside feeder line.
Radio frequency processing unit runnable interface is described below shown in table 1-table 7:
Table 1 RF processing unit external interface
Optical fiber interface:
Table 2 OPT1 interface describes
Power interface:
Table 3 PWR interface describes
Alarm interface (ALARM):
Table 4 alarm interface describes
Ground interface:
Table 5 GND interface describes
Ventilation mouth:
Table 6 VENT interface describes
Running indicator interface:
Table 7 running indicator interface describes
RF processing unit comprises five logic function unit, IPM(Interface & Protocol-Engine Module) interface processing module be responsible for interface conversion and protocol analysis; DCM(Downlink Channal Module) downlink transceiver channel module completes the conversion of data signal to radiofrequency signal, comprises the operations such as DAC conversion; UCM(Uplink Channal Module) uplink receive paths module uplink module received RF signal, and be transformed to data signal after process, include the operation such as filtering, ADC conversion; CMM(Control & Management Module) control and management modular unit is responsible for the control and management of RF processing unit, realize the function such as Local or Remote configuration, monitoring, test, alarm, upgrading of system, AFS(AntennaFeedback 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) | 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 data flow (C & M), control and management data flow comprises from alarm interface and local C & M data and the long-range C & M data that are encapsulated in optical interface protocol frame.As shown in Figure 3, the red unidirectional traffic flowing to each module from CMM represents the configuration of CMM module to individual device, and the red bidirectional traffic between baseband processing unit represents and mutual between baseband processing unit, complete the configuration of baseband processing unit radio frequency processing unit, RF processing unit alarm report etc.Empty frame LMT-B represents the alarm interface of RF processing unit, blue bidirectional traffic represent between CMM and LMT-B to administer and maintain function OAM message mutual.Local in Fig. 3 is home server, BBU is the abbreviation of Building Base band Unit, represent RF processing unit, IMT, MIXER is frequency mixer, PA is the abbreviation of Power Amplifer, for power amplifier, LNA is the abbreviation of Low Noise Amplifier, represent low-noise amplifier, DUC is the abbreviation of Digital Up Converter, representative digit up-conversion, DDC is the abbreviation of Direct Digital Contro, represent direct data control, IPM is the abbreviation of Intelligent Power Module, represent SPM, OPT represents Fiber connection mouth.
Wireless stream of data comprises downstream data flow and upstream, indicates the flow direction of single-channel data in 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 down direction RF processing unit receives I/Q data from baseband processing unit, do Digital Up Convert process through DUC module, then become after analog intermediate frequency to be mixed to radio frequency through digital-to-analogue conversion, through circulator and antenna transmission.Upward signal is received by antenna, amplifies downconvert to analog intermediate frequency by frequency mixer through LNA, and being sampled by AD obtains digital medium-frequency signal, then through DDC Digital Down Convert to base band, is sent to baseband processing unit by optical module.
Slave in Fig. 4 represents a kind of communication interface; Master represents main frame; OIM is the abbreviation of Operational InfrastructureManagement, represents and runs infrastructure management; Q represents electricity, CFR represents radio frequency facility; DPD is the abbreviation of DigitalPre-DistortiON, representative digit predistortion; AGC is the abbreviation of Automatic Gain Control, represents automatic gain controller; IQ represents base band quadrature signal; Mixer represents frequency mixer; LNA is the abbreviation of Low Noise Amplifer, represents low-noise amplifier; PA is the abbreviation of Power Amplifer, represents power amplifier; Circulator represents circulator.
Due in TD-LTE230 electric power Wireless Broadband Communication Systems access procedure, front 4 symbols of the ascender on each frequency are assigned to the position of dispatch request, this position produces 8 lead codes for supporting that different users sends dispatch request simultaneously by cyclic shift, so in order to prevent the interference of adjacent cell, (i.e. 200ms) community in every 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, in these 8 preamble resource reserved 2 as fast dispatch for Interim use.Therefore, on a frequency, every 200ms just has 6 scheduling request resources.So just have 240 resources to may be used for sending dispatch request in the time every 8 radio frames (200ms), SR resource structures as shown in Figure 5.
According to State Grid Corporation of China's adapted electricity relevant criterion, the scheduling delay of data acquisition user requires to be less than 2s, wherein main time delay from time delay of eating dishes without rice or wine, therefore TD-LTE230 wireless broadband access system meets the number of users that delay requirement can distribute at most and is (2s/200ms) × 240=2400.When number of users reaches 2400, system resource allocation will encounter difficulties, and for ensureing that system stability need of work leaves certain redundancy, system maximum number of user will be set as 2000.
RF processing unit network management system provides function of initializing, configuration management function, alarm management, condition managing, the functions such as version management.The message comprised 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, the related news such as electrical tilt antenna.
After function of initializing completes the startup of RF processing unit device power, connect with baseband processing unit, if need to download software, download software to this locality from baseband processing unit side and start redaction, download configuration data also configure, and the state that then reporting radio frequency processing unit is current is to baseband processing unit.
Plant maintenance function baseband processing unit is undertaken inquiring about or setting by transmitting apparatus maintenance class message radio frequency processing unit state.Message comprises the inquiry of RF processing unit product essential information, the status poll of light mouth, and CPU usage is inquired about, memory usage is inquired about, setting RF processing unit positional information, arranges the nearest maintenance dates of RF processing unit, heartbeat detection, the TOD time asks, RF processing unit hardware testing, link loopback test, RF processing unit resets, Debugging message is set and prints rank, and RF processing unit Debugging message reports.Carrier wave configuration feature RF processing unit supports foundation, reprovision and the delete function of carrier wave.
Alarm function RF processing unit equipment supports that alarm produces active reporting, and alarm log is preserved, the functions such as alarm log is uploaded, alarm log removing.Software version management function RF processing unit software version management function comprises: baseband processing unit query software version, the software upgrading request that baseband processing unit is initiated, software upgrading result reporting functions.
The present invention relates to a kind of based on TD-LTE230MHz electric power wireless broadband communication RF processing unit, because power system service and public network GSM otherness are comparatively large, the aspects such as the dispersion of main body present adapted electrical nodes, wide, point is many, single-node data amount little, mobility is not strong, two-way interaction.The present invention adopts TD-LTE key technology, on 40 discrete carrier frequencies that power system is special, design a kind of RF processing unit of using of applicable power system with multi-user, low time delay, wide covering power, number of users, the base station scheduling real-time of base station carrying can be improved, be convenient to Utilities Electric Co. and build low cost, wide covering, intelligentized electric power Wireless Broadband Communication Systems.
Finally should be noted that: 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 to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement, and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed in the middle of right of the present invention.
Claims (12)
1., based on an electric power WiMAX RF processing unit of TD-LTE 230MHz, it 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 are connected successively with power module; Described antennal interface, filter module are connected successively with power amplifier LNA module;
Described RF processing unit is body structure;
Described antenna-feedback system comprises RF switch, antenna and feeder line; Be connected with described filter module again by antennal interface after described antenna is connected successively with feeder line; Described RF switch connects antenna and feeder line, amplifies and transceiver func-tions for controlling settling signal;
Described digital signal processing module adopts digital processing unit, for completing digital processing, and digital transceiver and the function frequently combined;
Described filter module is used for suppressing the outer interfering signal of the band received, and suppresses and radio frequency lightning protection the band stray of Base Transmitter;
Described power amplifier LNA module be used for data signal is amplified, filtering, the read-write capability of temperature detection and hardware supported board preset data, provides antennal interface to the coupling channel of digital signal processing module;
Described power module is used for voltage transformation, electromagnetic interference EMI filtering, exports fault warning;
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 introduced by feeder line;
Described optical fiber interface is made up of two Fiber connection mouths, and one of them optical fiber interface is used for RF processing unit and is connected with the Optical Fiber Physical between baseband processing unit BBU or upper level RF processing unit; Optical fiber indicator is connected with described digital signal processing module by described optical fiber interface; For the state reflecting that RF processing unit optical fiber link is normal or disconnect;
Described power interface adopts straight plug and the AC/DC of band waterproof cover shares; 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 for reflecting the state of described RF processing unit power or power-down;
Described alarm interface provides external debug interface for described RF processing unit; Alarm equipment is connected with digital signal processing module by alarm interface.
2., as claimed in claim 1 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described runnable interface comprises ground connection mouth and ventilative interface; Described ground connection mouth provides protecting field for described RF processing unit;
Earth connection terminal is by ground connection mouth and adopt screw fastening on 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.
3. as claimed in claim 1 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described RF processing unit comprises five logic function unit, is respectively interface processing module, downlink transceiver channel module, up-link transceiver channel module, control and management module and antenna-feedback system.
4. as claimed in claim 3 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described interface processing module is used for interface conversion and the protocol analysis of being responsible for described runnable interface;
Described downlink transceiver channel module is for completing the conversion of described digital signal processing module data signal to radiofrequency signal;
Described downlink transceiver channel module for receiving described radiofrequency signal, and is transformed to data signal by described filter module;
Described control and management modular unit is used for the control and management being responsible for RF processing unit, realizes the Local or Remote configuration of RF processing unit, monitoring, test, alarm, upgrade function.
5. as claimed in claim 1 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described RF processing unit adopts based on real-time embedded operating system OS, is divided into a layer Layer, module Module and object Object tri-level organization.
6., as claimed in claim 1 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described RF processing unit comprises network management system; Described network management system is for providing the initialization of RF processing unit, configuration management, alarm management, condition managing, software version management.
7. as claimed in claim 6 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described initialization has been used for RF processing unit device power and has started.
8. as claimed in claim 6 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described configuration management comprises plant maintenance and carrier wave configuration; Described plant maintenance carries out plant maintenance to baseband processing unit; Described baseband processing unit is undertaken inquiring about or setting by transmitting apparatus maintenance class message radio frequency processing unit state; Described carrier wave configuration radio frequency processing unit supports foundation, reprovision and the delete function of carrier wave.
9. as claimed in claim 8 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, plant maintenance class information query comprises RF processing unit information query, optical fiber interface status poll, CPU usage is inquired about, memory usage is inquired about, setting 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, RF processing unit hardware testing, link loopback test, RF processing unit resets, Debugging message is set and prints rank, and RF processing unit Debugging message reports.
10. as claimed in claim 6 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described alarm management is that radio frequency processing unit equipment supports that alarm produces active reporting information, described reporting information comprises alarm log and preserves, alarm log is uploaded, and alarm log is removed.
11. as claimed in claim 6 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, it is characterized in that, described software version management function comprises: baseband processing unit query software version, the software upgrading request that baseband processing unit is initiated, software upgrading result reporting functions.
12. as claimed in claim 1 based on the electric power WiMAX RF processing unit of TD-LTE 230MHz, and it is characterized in that, the working frequency range of described RF processing unit is between 223MHz-235MHz.
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| 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 |
| 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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| US20060203757A1 (en) * | 2005-03-11 | 2006-09-14 | Spotwave Wireless Inc. | Adaptive repeater system |
| CN101697623A (en) * | 2009-10-22 | 2010-04-21 | 福建三元达通讯股份有限公司 | Remote radio system and proximal device thereof |
| CN102316611A (en) * | 2011-09-20 | 2012-01-11 | 南京新联电子股份有限公司 | 230 MHz private network networking high speed base station used for power load control system |
| CN102394709B (en) * | 2011-10-31 | 2013-11-06 | 武汉凡谷电子技术股份有限公司 | Alarm monitoring method and device for low-noise amplifier of double tower amplifiers |
| CN102361470B (en) * | 2011-10-31 | 2013-10-23 | 辽宁省电力有限公司鞍山供电公司 | 230MHz Mobitex master-slave redundancy wireless data terminal special for electric power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105208686A (en) * | 2015-10-15 | 2015-12-30 | 南京新联电子股份有限公司 | Aggregate multi-carrier wireless broadband radio frequency processing unit based on 230MHz dispersed frequency points |
| CN105208686B (en) * | 2015-10-15 | 2019-01-25 | 南京新联电子股份有限公司 | It polymerize multi-carrier-wave wireless wide band radio-frequency processing unit based on the discrete frequency point of 230MHz |
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