CN101997571A - Radio frequency back-up device used for multi-system communication system - Google Patents
Radio frequency back-up device used for multi-system communication system Download PDFInfo
- Publication number
- CN101997571A CN101997571A CN2010105421831A CN201010542183A CN101997571A CN 101997571 A CN101997571 A CN 101997571A CN 2010105421831 A CN2010105421831 A CN 2010105421831A CN 201010542183 A CN201010542183 A CN 201010542183A CN 101997571 A CN101997571 A CN 101997571A
- Authority
- CN
- China
- Prior art keywords
- modulation scheme
- signal
- radio frequency
- switching
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Transmitters (AREA)
Abstract
The invention discloses a radio frequency back-up device used for a multi-system communication system, which is structurally characterized in that various main signal channels and standby signal channels in different systems simultaneously enter a device A which merges the signals with different systems and uniformly inputs the signals into a device B, the device B has the main function of switching the input main signals and the input standby signals so that the main signals and the standby signals in different systems can respectively enter a corresponding system device C, and the device C respectively sends the signals in different systems to respective antenna ports for covering the same region.
Description
Technical field
The present invention relates to a kind of radio frequency back-up device, relate in particular to the radio frequency back-up device that is used for the multi-modulation scheme communication system.
Background technology
Along with the continuous development of current society, people are more and more higher for the quality requirement of various products, have only good quality, and the development prospect that can win can be created bigger profit, higher benefit.All the more so for the communications industry, each big operator in some key activities, important place, in order to guarantee the covering intensity and the stability of own signal, guarantees that communication is smooth and easy, can adopt corresponding backup measure.And because operator is more, and free space suffers restraints, and adds the cost problem, the radio frequency back-up device that is used for the multi-modulation scheme communication system will be used widely.
Summary of the invention
Purpose of the present invention can be unified the communication system of multi-modulation scheme backup with regard to being, to guarantee that the smooth and easy of communication is with stable.From the angle of each operator, realize the backup of multi-modulation scheme communication system simultaneously, save cost, increase the benefit.Realize long-range switching by remote monitoring, realize in-plant quick mandatory switching by hardware.
The invention provides a kind of radio frequency back-up device that is used for the multi-modulation scheme communication system, it comprises: synthesizer, and it further comprises main with multi-modulation scheme signal composite part, standby multi-modulation scheme signal composite part, power detection part, radio frequency monitoring part; Switching device shifter is used to carry out the switching between main channel and the alternate channel; Reduction apparatus is used for primary, spare multi-modulation scheme signal is reduced to each signal.Primary, spare multi-modulation scheme signal composite part is realized by mixer.When radio frequency monitoring partly monitors main power with the arbitrary signal in the multi-modulation scheme signal when being lower than threshold value, then control switch device switches to alternate channel.Reduction apparatus is realized by filter.The radio frequency monitoring part is realized by monitoring panel, carries out the switching of primary, spare passage by the diverter switch in the height control switch device of the chip pin level in the monitoring panel.Monitoring panel is supported note, packet-switched domain remote monitoring.Primary, spare multi-modulation scheme signal is before importing mixer respectively, and by corresponding coupler, straight-through end all is linked into mixer and merges earlier, and coupled end all is linked into power detection part.Described switching device shifter is realized by single-pole double-throw switch (SPDT), load.
The present invention has following advantage and good effect:
1, realizes the radio frequency backup of multi-modulation scheme communication system, to guarantee the unimpeded of communication system;
2, can realize long-rangely carrying out monitoring function,, can initiatively its corresponding alarm be reported, be convenient to find out as early as possible accident cause in case any abnormal conditions occur.This function mainly can reflect by Fig. 2, after in case any problem appears in the monitoring panel discovering device, can its corresponding alarm report be arrived Surveillance center by Modem, so that the maintenance personal in time understands the situation of distant place equipment and analyzes the reason that goes wrong, thereby keeps in repair as early as possible.
3, can realize long-range handoff functionality, switch to reserve link, perhaps from reserve link switchback primary link from primary link.As Fig. 2, owing to can realize note, packet-switched domain monitoring function, thus can support remote monitoring, and then can realize the setting of long-range handoff functionality.
4, can realize the relevant hardware handoff functionality, carry out the switching of primary, spare link by hardware.
Description of drawings
Fig. 1 is the structured flowchart of native system.
Fig. 2 is the example structure block diagram.
Embodiment
Its operation principle of the present invention is: synthesizer (A device) earlier merges the signal of the multiple standard of main channel that receives, and alternate channel multi-modulation scheme signal also merges simultaneously, and then is transported to switching device shifter (B device).Switching device shifter under the normal condition (B device) is that main channel multi-modulation scheme signal is sent to reduction apparatus (C device), the signal of its each standard is passed to the antenna of each standard by reduction apparatus (C device).In case but there have one or more standards to occur in the main channel multi-modulation scheme signal to be unusual, switching device shifter B device will be closed its main channel, open alternate channel simultaneously, its multi-modulation scheme signal is passed to reduction apparatus (C device), the signal of its each standard is passed to the antenna of each standard by reduction apparatus (C device).
Describe in detail below in conjunction with drawings and Examples:
One, system
1, overall
As Fig. 1, native system comprises synthesizer (A device), switching device shifter (B device), reduction apparatus (C device).
1) synthesizer (A device)
As Fig. 1, the A device comprises main signal composite part (A1), space signal composite part (A2), power detection part (A3), radio frequency monitoring part (A4).Concrete various piece function is the functional block part of face as follows.
2) switching device shifter (B device)
As Fig. 1, the B device mainly is the mutual switching that realizes between the primary, spare link.When equipment work during in the main channel, this moment, the B device was in low level state, in case because certain transient cause can not operate as normal when (equipment before, the A device very big as power down, signal attenuation can't operate as normal etc.), A4 monitor portion in the A device will be controlled the electric power system of B device, make it become high level, thereby make equipment switch to alternate channel from the main channel by original low level.
3) reduction apparatus (C device)
As Fig. 1, the C device mainly is that primary, spare multi-modulation scheme signal is reduced.For example when the main multi-modulation scheme signal of input be G+D close the road signal time, by filter its each signal is leached specific implementation such as Fig. 2.
2, functional block
1) A1 in the A device
A1 is the main signal composite part, mainly is that the signal in the primary link is merged.For example when the main multi-modulation scheme signal of input is the signal of G+D, be input to the B device after can it being merged by the dual-frequency channel merger of G+D, as Fig. 2.
2) A2 in the A device
A2 is the space signal composite part, mainly is that the signal in the reserve link is merged.Principle is with the A1 part.
3) A3 in the A device
A3 is a power detection part, mainly is the power that detects input radio frequency part unit, and then provides foundation for the A4 monitor portion.For example when the main multi-modulation scheme signal of input is the signal of G+D, before input A1 part, earlier by corresponding 2 couplers, straight-through end is linked into A1 and partly merges, coupled end is linked into A3 power detection module part, detects the size of input signal by A3, adds the pad value of coupled end, just can react the size of input apparatus signal really, as Fig. 2.
4) A4 in the A device
A4 is the radio frequency monitoring part, mainly is detected power and power threshold among the A3 are compared, and controls the B device according to size relatively then and whether carries out the corresponding link switching.For example when the main multi-modulation scheme signal of input is the signal of G+D, the signal of G is 40dBm, the signal of D is 43dBm, when if two thresholdings of this moment all are set to 30dBm, any when being lower than thresholding 30dBm in causing the G+D signal for a certain reason, the A4 part will be carried out the switching of link by control, switches to alternate channel from original main channel, as Fig. 2, carry out the switching of link by the diverter switch in the height control B device of the chip pin level in the monitoring panel.Since can realize note, packet-switched domain monitoring function, thus remote monitoring can be supported, and then can realize the setting of long-range handoff functionality.
B device among Fig. 2 is realized by three single-pole double-throw switch (SPDT)s, two loads, is the main channel situation shown in Fig. 2, and COM-NC represents normally closed, and COM-NO represents often to open, and when switching to alternate channel, COM-NC opens, the COM-NO closure.Mixer among Fig. 2 is corresponding to the A1 among Fig. 1, A2, and power detection module is corresponding to the A3 among Fig. 1, and monitoring panel is corresponding to A4.
Claims (8)
1. radio frequency back-up device that is used for the multi-modulation scheme communication system is characterized in that:
Synthesizer, it comprises main with multi-modulation scheme signal composite part, standby multi-modulation scheme signal composite part, power detection part, radio frequency monitoring part;
Switching device shifter is used to carry out the switching between main channel and the alternate channel;
Reduction apparatus is used for primary, spare multi-modulation scheme signal is reduced to each signal.
2. device according to claim 1 is characterized in that:
Primary, spare multi-modulation scheme signal composite part is all realized by mixer.
3. device according to claim 1 and 2 is characterized in that:
When radio frequency monitoring partly monitors main power with the arbitrary signal in the multi-modulation scheme signal when being lower than threshold value, then control switch device switches to alternate channel.
4. device according to claim 1 and 2 is characterized in that:
Reduction apparatus is realized by filter.
5. device according to claim 3 is characterized in that:
The radio frequency monitoring part is realized by monitoring panel, carries out the switching of primary, spare passage by the diverter switch in the height control switch device of the chip pin level in the monitoring panel.
6. device according to claim 5 is characterized in that:
Monitoring panel is supported note, packet-switched domain remote monitoring.
7. device according to claim 2 is characterized in that:
Primary, spare multi-modulation scheme signal is before importing mixer respectively, and by corresponding coupler, straight-through end all is linked into mixer and merges earlier, and coupled end all is linked into power detection part.
8. device according to claim 1 is characterized in that:
Described switching device shifter is realized by single-pole double-throw switch (SPDT), load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105421831A CN101997571A (en) | 2010-11-13 | 2010-11-13 | Radio frequency back-up device used for multi-system communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105421831A CN101997571A (en) | 2010-11-13 | 2010-11-13 | Radio frequency back-up device used for multi-system communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101997571A true CN101997571A (en) | 2011-03-30 |
Family
ID=43787260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105421831A Pending CN101997571A (en) | 2010-11-13 | 2010-11-13 | Radio frequency back-up device used for multi-system communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101997571A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792293A (en) * | 2015-12-28 | 2016-07-20 | 飞天联合（北京）系统技术有限公司 | Multichannel communication selection method and execution system thereof |
| CN106877886A (en) * | 2017-01-19 | 2017-06-20 | 深圳国人通信股份有限公司 | multi-system access platform voltage standing wave ratio detection method and device |
| CN115378464A (en) * | 2022-08-12 | 2022-11-22 | 江苏德是和通信科技有限公司 | Synthetic switched systems of transmitter owner spare machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656645A (en) * | 1984-04-02 | 1987-04-07 | Nec Corporation | Radio communication system |
| CN1198272A (en) * | 1996-07-19 | 1998-11-04 | 蜂窝视觉技术及电讯有限公司 | Dual transmitter arrangement with back-up switching |
| CN101312563A (en) * | 2007-05-25 | 2008-11-26 | 中兴通讯股份有限公司 | Wireless access system and backup method for remote radio frequency unit of the system |
| CN201294517Y (en) * | 2008-11-10 | 2009-08-19 | 徐兆东 | High-power radio-frequency switch module capable of switching between transmission and receive |
| CN201479389U (en) * | 2009-08-05 | 2010-05-19 | 厦门瑞石工贸有限公司 | Hot backup fiber optic repeater |
-
2010
- 2010-11-13 CN CN2010105421831A patent/CN101997571A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4656645A (en) * | 1984-04-02 | 1987-04-07 | Nec Corporation | Radio communication system |
| CN1198272A (en) * | 1996-07-19 | 1998-11-04 | 蜂窝视觉技术及电讯有限公司 | Dual transmitter arrangement with back-up switching |
| CN101312563A (en) * | 2007-05-25 | 2008-11-26 | 中兴通讯股份有限公司 | Wireless access system and backup method for remote radio frequency unit of the system |
| CN201294517Y (en) * | 2008-11-10 | 2009-08-19 | 徐兆东 | High-power radio-frequency switch module capable of switching between transmission and receive |
| CN201479389U (en) * | 2009-08-05 | 2010-05-19 | 厦门瑞石工贸有限公司 | Hot backup fiber optic repeater |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105792293A (en) * | 2015-12-28 | 2016-07-20 | 飞天联合（北京）系统技术有限公司 | Multichannel communication selection method and execution system thereof |
| CN105792293B (en) * | 2015-12-28 | 2022-02-08 | 飞天联合（北京）系统技术有限公司 | Execution system of multichannel communication selection method |
| CN106877886A (en) * | 2017-01-19 | 2017-06-20 | 深圳国人通信股份有限公司 | multi-system access platform voltage standing wave ratio detection method and device |
| CN106877886B (en) * | 2017-01-19 | 2019-03-15 | 深圳国人通信股份有限公司 | Multi-system access platform voltage standing wave ratio detection method and device |
| CN115378464A (en) * | 2022-08-12 | 2022-11-22 | 江苏德是和通信科技有限公司 | Synthetic switched systems of transmitter owner spare machine |
| CN115378464B (en) * | 2022-08-12 | 2023-08-15 | 江苏德是和通信科技有限公司 | Main and standby machine synthesis switching system of transmitter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202840667U (en) | Undisturbed switching uninterrupted power supply | |
| CN201174621Y (en) | Automatic switching control apparatus of double power supply | |
| CN101895337B (en) | Double-fiber hot backup radio-frequency intelligent optical module | |
| CN104753585A (en) | Intelligent optical fiber distribution device | |
| US10790904B2 (en) | Redundant backup near-end machine, far-end machine and system thereof for digital optical fiber repeater | |
| CN101997571A (en) | Radio frequency back-up device used for multi-system communication system | |
| CN103427404A (en) | Line protection device and method | |
| CN208838960U (en) | A kind of fire pump automatic tour inspection system | |
| CN102545376B (en) | Spare power automatic switching system for 220 KV line faults | |
| CN101860075A (en) | Three-power supply automatic switching device | |
| CN209030192U (en) | A kind of radio frequency switching device | |
| CN202918047U (en) | Power supply spare power automatic switching device capable of realizing seamless butt joint in bypass operation process | |
| CN201263097Y (en) | Intelligent automatic changeover switch electric appliance | |
| CN107005860B (en) | Signal backup system and method for active DAS system near-end machine | |
| CN103581973A (en) | Cell information source backup method, device and system | |
| CN100558136C (en) | A kind of matching used communication single-board, system and power-supply switching method thereof | |
| CN103701201A (en) | System for blocking spare power automatic switching device during load shedding of power system safety and stability control device | |
| CN207819875U (en) | Train multiple antennas switching device | |
| CN105827324A (en) | Optical fiber repeater | |
| CN102780530A (en) | Optical fiber repeater system | |
| KR20100008616A (en) | Hssb : hi-speed source selection breakers for distribution line | |
| CN202750232U (en) | Cell information source backup device and system | |
| CN202334506U (en) | Switching box with function of automatically switching radio stations | |
| CN202103762U (en) | RF switcher | |
| CN203039690U (en) | System-backup based mixed-mode digital radio-frequency remote system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110330 |