CN105208686A - Aggregate multi-carrier wireless broadband radio frequency processing unit based on 230MHz dispersed frequency points - Google Patents
Aggregate multi-carrier wireless broadband radio frequency processing unit based on 230MHz dispersed frequency points Download PDFInfo
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- CN105208686A CN105208686A CN201510663595.3A CN201510663595A CN105208686A CN 105208686 A CN105208686 A CN 105208686A CN 201510663595 A CN201510663595 A CN 201510663595A CN 105208686 A CN105208686 A CN 105208686A
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- 238000000034 method Methods 0.000 claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000006116 polymerization reaction Methods 0.000 claims description 11
- 230000000379 polymerizing effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000004148 unit process Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
- H04L25/40—Transmitting circuits; Receiving circuits
- H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Transceivers (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses an aggregate multi-carrier wireless broadband radio frequency processing unit based on 230MHz dispersed frequency points. The unit structurally comprises a signal processing assembly, an antenna feeder assembly and an operating interface assembly, wherein a signal output/input end of the signal processing assembly is correspondingly connected with a signal input/output end of the antenna feeder assembly, a first signal output end of a DC feed interface in the operating interface assembly is connected with a signal input end of the antenna feeder assembly, and a second signal output end of the DC feed interface in the operating interface assembly is connected with a first signal input end of the signal processing assembly. The unit has the advantages that the signal processing assembly processes multi-carrier signals through a pre-distortion algorithm and supports broadband radio frequency transmission, so that the size of a multi-carrier transmission base station is greatly reduced, cost is lowered, and the problem that an original 230M communication base station is over large in size in the multi-carrier transmission process is solved; an electric power company can conveniently build an electric wireless broadband communication system which is low in cost, wide in coverage and intelligent.
Description
Technical field
What the present invention relates to is a kind of based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, belongs to power user power consumption information acquisition system constructing communication network technical field.
Background technology
According to the requirement that intelligent grid is built, State Grid Corporation of China proposes the overall goal realizing power user power consumption information acquisition system construction " all standing, full collection, control in full ".230MHz powerline network as power information collection basis also more and more comes into one's own.At present, what domestic 230M private network communication base station IF processing unit adopted is single carrier per channel communication, greatly constrains the development of channel resource.The present invention is the radio communication based on multi-carrier polymerizing technology, realizes single channel multi-carrier transmission, has saved cost, for the overall goal realizing " all standing, full collection, control in full " provides high-quality network channel.
Summary of the invention
The present invention is a kind of based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, its object overcomes the defect that existing single communication channel can not meet the large demand data of growing system, process three communication channels by an equipment simultaneously, realize multi-carrier transmission, meet the needs of China's intelligent grid construction with this.
Technical solution of the present invention: based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, it is characterized in that comprising signal processing component, antenna feeder component and runnable interface assembly; Wherein the signal input/output end of signal processing component is corresponding with the signal input/output terminal of antenna feeder component connects, first signal output part of the DC feeding interface in runnable interface assembly connects with the signal input part of antenna feeder component, and the secondary signal output of the DC feeding interface in runnable interface assembly connects with the first signal input part of signal processing component.
Advantage of the present invention: signal processing unit adopts pre-distortion algorithms process multi-carrier signal, support wide band radio-frequency transmits, multi-carrier transmission base station is greatly reduced on volume, and cost reduces, and solves the factors such as original 230M communication base station volume when realizing multi-carrier transmission is excessive.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 based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit structural representation.
Fig. 2 is the signal processing component structure chart of multi-carrier-wave wireless wide band radio-frequency processing unit.
Fig. 3 is the antenna feeder component structure chart of multi-carrier-wave wireless wide band radio-frequency processing unit.
Fig. 4 is the runnable interface assembly assumption diagram of multi-carrier-wave wireless wide band radio-frequency processing unit.
Embodiment
Based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, its structure comprises signal processing component, antenna feeder component and runnable interface assembly; Wherein the signal input/output end of signal processing component is corresponding with the signal input/output terminal of antenna feeder component connects, first signal output part of the DC feeding interface in runnable interface assembly connects with the signal input part of antenna feeder component, and the secondary signal output of the DC feeding interface in runnable interface assembly connects with the first signal input part of signal processing component.
Described signal processing component comprises baseband processing module and inline filter module, and wherein the signal output part of baseband processing module connects with the signal input part of inline filter module.
The signal output part of the multi-carrier polymerizing module in described antenna feeder component connects frequency-conversion processing cell signal input, upconversion process cell signal exports the signal input part of termination power amplifier unit, the signal output part T-Ring circulator signal input part of power amplifier unit, ring circulator signal output part connects the signal input part of splitter, and three road signal output parts of splitter are respectively connected in series power amplifier LNA module, down-converter unit.
DC feeding interface first output signal of described operating component unit connects with the power supply module of signal processing component; Second output signal of the DC feeding interface of operating component unit connects with the power supply module of antenna feeder component; The light mouth unit of operating component unit connects with the signal input part of signal processing component; The power module of operating component unit connects with the lightning-protection module of operating component; The power module of operating component connects with the DC feeding interface of operating component; The signal input/output terminal of antennal interface is corresponding with the ring circulator signal input/output end in antenna feeder component to connect.
Technical scheme of the present invention is further described below in conjunction with accompanying drawing.
Contrast Fig. 1, comprises signal processing component, antenna feeder component and runnable interface assembly based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit; Described signal processing component comprises baseband processing module and inline filter module; Described antenna feeder component power amplifier LNA module, Up/Down Conversion module, multi-carrier polymerizing module, power module; Described runnable interface assembly comprises alarm instruction, light mouth, DC feeding interface, antennal interface, power module and lightning-protection module;
Wherein the baseband processing module input signal of signal processing unit connects with DSP signal processing unit; Baseband processing module output signal connects with the forming filter module input signal of signal processing unit; Forming filter module connects with the upconversion process unit of antenna feeder component;
Upconversion process unit connects with the multi-carrier polymerizing unit of antenna feeder component; Multi-carrier polymerizing unit connects with the upconverting unit of antenna feeder component; Upconverting unit connects with the power amplifier unit of antenna feeder component; Power amplifier unit connects with circulator first input signal of antenna feeder component; Second input signal of circulator connects with the splitter unit of antenna feeder component; Splitter connects with the LNA unit of sky antenna feeder component; LNA unit connects with the down-converter unit of antenna feeder component; Down-converter unit connects with the intermediate frequency converter unit of signal processing component; The circulator output signal of antenna feeder component connects with the antennal interface of runnable interface assembly;
DC feeding interface first output signal of operating component unit connects with the power supply module of signal processing component; Second output signal of the DC feeding interface of operating component unit connects with the power supply module of antenna feeder component; The light mouth unit of operating component unit connects with the signal processing unit of signal processing component signal; The power module of operating component unit connects with the lightning-protection module of operating component; The power module of operating component connects with the DC feeding interface of operating component.
Contrast Fig. 2, signal processing component, its structure comprises baseband processing module, forming filter module; Wherein said baseband processing module comprises upconverting unit, down-converter unit, DDS signal generator unit, DPD pre-distortion algorithms unit; Described forming filter module comprises intermediate-frequency filter, A/D, D/A, amplifier.
Up-conversion, DSP signal is carried out upconversion process by baseband processing module, delivers to radio frequency unit process through forming filter module filtered D/A conversion; Down-conversion, intermediate-freuqncy signal is changed through A/D by forming filter module, delivers to baseband processing module and carries out down-converted, the baseband signal after frequency conversion is delivered to DSP process.
Contrast Fig. 3, antenna feeder component, its structure comprises power amplifier, LNA module, Up/Down Conversion module, multi-carrier polymerizing module, circulator.
Up-conversion, the intermediate-freuqncy signal of signal processing component transmission carries out carrier aggregation through multi-carrier polymerizing unit, deliver to upconverting unit and carry out RF up-converter process, deliver to power amplifier unit by power amplification, finally deliver to circulator unit and signal is delivered to antenna element transmission.
Down-conversion, Received signal strength is delivered to that splitter unit is discrete by signal by circulator, and the radiofrequency signal after discrete, through LNA process, delivers to down-converter unit, and the signal after frequency conversion delivers to signal processing component process.
Contrast Fig. 4, operating component unit, its structure comprises alarm instruction, light mouth, DC feeding interface, antennal interface, power module and lightning-protection module.Alarm instruction connects with antenna feeder component and signal processing component detecting unit; When an exception occurs, alarm instruction alarm;
Wherein its structure of light mouth comprises SPF optic module, high-speed transceiver chip and light mouth FPGA processing unit; Light port communications FPGA is only responsible for light port communications.
Power module one end connects with lightning-protection module; Power module one end connects with DC feeding interface, provides DC power supply to other assembly units;
Antennal interface one end connects with the circulator of antenna feeder component; One end connects with antenna.
Claims (4)
1., based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, it is characterized in that comprising signal processing component, antenna feeder component and runnable interface assembly; Wherein the signal input/output end of signal processing component is corresponding with the signal input/output terminal of antenna feeder component connects, first signal output part of the DC feeding interface in runnable interface assembly connects with the signal input part of antenna feeder component, and the secondary signal output of the DC feeding interface in runnable interface assembly connects with the first signal input part of signal processing component.
2. according to claim 1 based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, it is characterized in that described signal processing component comprises baseband processing module and inline filter module, wherein the signal output part of baseband processing module connects with the signal input part of inline filter module.
3. according to claim 1 based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, it is characterized in that the signal output part of the multi-carrier polymerizing module in described antenna feeder component connects frequency-conversion processing cell signal input, upconversion process cell signal exports the signal input part of termination power amplifier unit, the signal output part T-Ring circulator signal input part of power amplifier unit, ring circulator signal output part connects the signal input part of splitter, and three road signal output parts of splitter are respectively connected in series power amplifier LNA module, down-converter unit.
4. according to claim 1 based on 230MHz discrete frequency polymerization multi-carrier-wave wireless wide band radio-frequency processing unit, it is characterized in that DC feeding interface first output signal of described operating component unit connects with the power supply module of signal processing component; Second output signal of the DC feeding interface of operating component unit connects with the power supply module of antenna feeder component; The light mouth unit of operating component unit connects with the signal input part of signal processing component; The power module of operating component unit connects with the lightning-protection module of operating component; The power module of operating component connects with the DC feeding interface of operating component; The signal input/output terminal of antennal interface is corresponding with the ring circulator signal input/output end in antenna feeder component to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510663595.3A CN105208686B (en) | 2015-10-15 | 2015-10-15 | It polymerize multi-carrier-wave wireless wide band radio-frequency processing unit based on the discrete frequency point of 230MHz |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510663595.3A CN105208686B (en) | 2015-10-15 | 2015-10-15 | It polymerize multi-carrier-wave wireless wide band radio-frequency processing unit based on the discrete frequency point of 230MHz |
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| CN105208686A true CN105208686A (en) | 2015-12-30 |
| CN105208686B CN105208686B (en) | 2019-01-25 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111162759A (en) * | 2020-01-06 | 2020-05-15 | 山东电力工程咨询院有限公司 | Filter optimization design method and system in carrier aggregation |
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| US20050074080A1 (en) * | 2003-05-01 | 2005-04-07 | Severine Catreux | Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining |
| CN202353571U (en) * | 2011-10-31 | 2012-07-25 | 辽宁省电力有限公司鞍山供电公司 | Special 230MHz Mobitex master-slave redundancy wireless data terminal for power |
| CN103747447A (en) * | 2013-12-03 | 2014-04-23 | 国家电网公司 | Radio modem and power TD-LTE private network common antenna system and implementation method thereof |
| CN103248389B (en) * | 2013-04-19 | 2015-03-25 | 国家电网公司 | TD-LTE230MHz (Time Division Long Term Evolution 230MHz) based electric power wireless wideband radio frequency processing unit |
| CN205040036U (en) * | 2015-10-15 | 2016-02-17 | 南京新联电子股份有限公司 | Based on discrete polymerization of point frequently multicarrier wireless broadband radio frequency processing unit of 230MHz |
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2015
- 2015-10-15 CN CN201510663595.3A patent/CN105208686B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050074080A1 (en) * | 2003-05-01 | 2005-04-07 | Severine Catreux | Weight generation method for multi-antenna communication systems utilizing RF-based and baseband signal weighting and combining |
| CN202353571U (en) * | 2011-10-31 | 2012-07-25 | 辽宁省电力有限公司鞍山供电公司 | Special 230MHz Mobitex master-slave redundancy wireless data terminal for power |
| CN103248389B (en) * | 2013-04-19 | 2015-03-25 | 国家电网公司 | TD-LTE230MHz (Time Division Long Term Evolution 230MHz) based electric power wireless wideband radio frequency processing unit |
| CN103747447A (en) * | 2013-12-03 | 2014-04-23 | 国家电网公司 | Radio modem and power TD-LTE private network common antenna system and implementation method thereof |
| CN205040036U (en) * | 2015-10-15 | 2016-02-17 | 南京新联电子股份有限公司 | Based on discrete polymerization of point frequently multicarrier wireless broadband radio frequency processing unit of 230MHz |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN111162759A (en) * | 2020-01-06 | 2020-05-15 | 山东电力工程咨询院有限公司 | Filter optimization design method and system in carrier aggregation |
| CN111162759B (en) * | 2020-01-06 | 2023-04-28 | 山东电力工程咨询院有限公司 | Filter optimization design method and system in carrier aggregation |
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| CN105208686B (en) | 2019-01-25 |
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