CN105246176A - Passive multi-system access device - Google Patents
Passive multi-system access device Download PDFInfo
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- CN105246176A CN105246176A CN201510536829.8A CN201510536829A CN105246176A CN 105246176 A CN105246176 A CN 105246176A CN 201510536829 A CN201510536829 A CN 201510536829A CN 105246176 A CN105246176 A CN 105246176A
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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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- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides a passive multi-system access device, relates to the technical field of communication, and aims at solving the problem that a present multi-system access device cannot detect working condition of a terminal antenna and a passive device in real time. The passive multi-system access device comprises a detection signal input port, at least one communication signal input port and a signal output port, wherein the detection signal input port inputs 920-925MHz detection signals, and the communication signal input port inputs communication signals. Thus, transmission channels of the detection signals are increase to realize communication between the passive multi-system access device and a terminal antenna detection system, and thus, the passive multi-system access device can detect the working condition of the terminal antenna.
Description
Technical field
The present invention relates to communication technical field, particularly the passive multisystem access device of one.
Background technology
Indoor distributed system is for indoor user group, for improving the successful communication solution of the one of mobile communication environment in building, in mobile communication construction, obtain extensive application in recent years, successfully solve the problem of outdoor base station along with aspects such as the capacity that user is fast-developing and Process of Urbanization Construction causes, quality and coverings.Indoor distributed system realize principle be utilize domestic aerial compartment system by the signal distributions of base station in indoor each corner, thus ensure that room area has desirable quorum sensing inhibitor.Indoor distributed system can improve signal quality in building comprehensively, and shares outdoor station traffic, increases network capacity, improves mobile communications network service level.
Passive multisystem access device is the core devices in indoor distributed system, the basic function of existing passive multisystem access device is: the signal being operated in different operating frequency range of each wireless communication system in the various wireless communication network formats such as GSM, CDMA2000, TD-SCDMA, WCDMA, TD-LTE, LTEFDD of generally use Communication in China operator, be linked in an inactive component, then undertaken and road by this equipment, the port transmission finally shared from one or two is gone out.Existing passive multisystem access device does not have the ability detected himself, if needed the work detecting equipment of itself, usually, the operating frequency that radio frequency detects antenna setting is 920 ~ 925MHz, do not comprise the access capability to this frequency signal in existing passive multisystem access device, also the frequency range of 920 ~ 925MHz is shielded on the contrary, to ensure the communication quality of other communication signal frequency, therefore existing passive multisystem access device cannot realize the real time automatic detection of terminal antenna and passive device working condition, the infringement that terminal antenna or passive device cannot be detected in time can be caused on the one hand, too increase the workload of maintenance personal on the other hand.
Summary of the invention
[technical problem that will solve]
The object of this invention is to provide a kind of passive multisystem access device, to solve the problem that existing passive multisystem access device cannot realize the real time automatic detection of terminal antenna and passive device working condition.
[technical scheme]
The present invention is achieved by the following technical solutions.
The present invention relates to a kind of passive multisystem access device, comprise the detection signal input port for inputting 920 ~ 925MHz detection signal, at least one is for the signal of communication input port of input communication signal, signal output port, each signal of communication input port described is respectively connected with first filter, the parameter of described first filter is arranged according to the frequency of the input communication signal of connected signal of communication input port and bandwidth, described detection signal input port is connected with the second filter, the parameter of described second filter is arranged according to the frequency of detection signal and bandwidth, the output of described second filter, at least connected by a multiplexer between the output of each the first filter, the output of described multiplexer is connected with the input of full bandwidth electric bridge, the output of described full bandwidth electric bridge is connected with signal output port, the operating frequency range of described full bandwidth electric bridge covers the frequency range of input signal of detection signal input port and the frequency range of the input signal of signal of communication input port.
As one preferred embodiment, described first filter is single-frequency filter or double frequency filter.
As another preferred embodiment, described second filter is single-frequency filter or double frequency filter.
[beneficial effect]
The technical scheme that the present invention proposes has following beneficial effect:
Passive multisystem access device in the present invention possesses the ability communicated with terminal antenna detection system, thus make indoor distributed system on the basis possessing traditional function, add the function of terminal antenna working condition detection, this benefit brought be exactly administrative staff can Real-time Collection to the ruuning situation of all terminal antennas of indoor distributed system and passive device, when design indoor distributed system, this Functional Design is come into operation, can reduce on the one hand user because of the reasons for damage of terminal antenna or passive device can not proper communication and the complaint event that causes, improve the service quality of operator, on the other hand, present invention also avoids maintenance personal use signal detection apparatus to terminal antenna and for no reason at all device carry out scene and detect one by one, not only alleviate the workload of maintenance personal, and the situation of terminal antenna and passive device abnormal work can also be found in the very first time.
Accompanying drawing explanation
The circuit theory diagrams of the passive multisystem access device that Fig. 1 provides for embodiments of the invention one.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, clear, complete description is carried out to the specific embodiment of the present invention, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment, neither limitation of the present invention.Based on embodiments of the invention, those of ordinary skill in the art, not paying the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
Embodiment
The circuit theory diagrams of the passive multisystem access device that Fig. 1 provides for the embodiment of the present invention one.As shown in Figure 1, comprise detection signal input port 1, signal of communication input port 201, signal of communication input port 202, signal of communication input port 203, signal of communication input port 204, signal of communication input port 205, signal of communication input port 206, signal of communication input port 207, signal of communication input port 208, signal of communication input port 209, signal of communication input port 210, signal of communication input port 211, signal of communication input port 212, signal output port 61 and signal output port 62, the band limits of the access signal that each signal of communication input port is corresponding, the band limits of the access signal of detection signal input port 1 is see table 1.
Table 1
As shown in table 1, the frequency range of the signal that detection signal input port 1 accesses is 920 ~ 925MHz,
The input port of each signal of communication input port, detection signal is respectively connected with a filter, the parameter of filter is arranged according to the frequency of this port access signal and bandwidth, particularly, filter carries out suppressing or decaying for the signal beyond its input port working frequency range connected.
In the present embodiment, detection signal input port 1 is connected with the input of filter 31, and the input signal beyond filter 31 couples of frequency range 920 ~ 925MHz suppresses or decays; Signal of communication input port 201 is connected with the input of filter 301, and filter 301 pairs of frequency ranges are that the signal beyond 934 ~ 960MHz and 889 ~ 915MHz suppresses or decays; Signal of communication input port 202 is connected with the input of filter 302, and filter 302 pairs of frequency ranges are that the signal beyond 1805 ~ 1830MHz and 1710 ~ 1735MHz suppresses or decays; Signal of communication input port 203 is connected with the input of filter 303, and the input signal beyond filter 303 couples of frequency range 1885 ~ 1915MHz suppresses or decays; Signal of communication input port 204 is connected with the input of filter 304, and the input signal beyond filter 304 couples of frequency range 2320 ~ 2370MHz suppresses or decays; Signal of communication input port 205 is connected with the input of filter 305, and filter 305 pairs of frequency ranges are that the signal beyond 865 ~ 880MHz and 820 ~ 835MHz suppresses or decays; Signal of communication input port 206 is connected with the input of filter 306, and filter 306 pairs of frequency ranges are that the signal beyond 1860 ~ 1880MHz and 1765 ~ 1785MHz suppresses or decays; Signal of communication input port 207 is connected with the input of filter 307, and filter 307 pairs of frequency ranges are that the signal beyond 2110 ~ 2130MHz and 1920 ~ 1940MHz suppresses or decays; Signal of communication input port 208 is connected with the input of filter 308, and filter 308 pairs of frequency ranges are that the signal beyond 1830 ~ 1860MHz and 1735 ~ 1765MHz suppresses or decays; Signal of communication input port 209 is connected with the input of filter 309, and filter 309 pairs of frequency ranges are that the signal beyond 2130 ~ 2170MHz and 1940 ~ 1980MHz suppresses or decays; Signal of communication input port 210 is connected with the input of filter 310, and the input signal beyond filter 310 couples of frequency range 2010 ~ 2025MHz suppresses or decays; Signal of communication input port 211 is connected with the input of filter 311, and the input signal beyond filter 311 couples of frequency range 2370 ~ 2390MHz suppresses or decays; Signal of communication input port 212 is connected with the input of filter 312, and the input signal beyond filter 312 couples of frequency range 2300 ~ 2320MHz suppresses or decays.Filter 31, filter 301, filter 302, filter 304, filter 304, filter 305, the output of filter 306 is connected with the input of multiplexer 41 respectively, the output of multiplexer 41 is connected with an input of full bandwidth electric bridge 5, filter 307, filter 308, filter 309, filter 310, filter 311 is connected with the input of multiplexer 42 respectively with the output of filter 312, the output of multiplexer 42 is connected with another input of full bandwidth electric bridge 5, the output of full bandwidth electric bridge 5 is connected with signal output port 61 and signal output port 62, the operating frequency range of full bandwidth electric bridge 5 covers the frequency range of input signal of detection signal input port 1 and the frequency range of the input signal of each signal of communication input port.In addition, the present embodiment is total, and the model of full bandwidth electric bridge 5 is: B03-069270-ON01, and manufacturer is: industry health microwave.
Present embodiments provide the passive multisystem access device comprising 12 signal of communication input ports, need explanation, the number of the present invention's not limiting telecommunication signal input port, for the signal of communication input port of different number, adopts the identical principle of the embodiment of the present invention also can realize.
The following describes the operation principle of the present embodiment.
The embodiment of the present invention and terminal antenna checkout equipment with the use of, after the detection signal that wherein terminal antenna checkout equipment sends enters passive multisystem access device by detection signal input port, filtering is carried out by a single-frequency or multiband filter, undertaken transmitting with road by multiplexer with the output of other filter after filtering, the signal closed behind road is bridged to by the electric bridge that contains all incoming frequency bandwidth the transmitting and receiving that two signal output ports carry out signal.The radio band that the completely independent telecom operators announced with national Ministry of Industry and Information of frequency due to detection signal use, therefore detection signal can transmit in passive multisystem access device, detection signal when not suppressed or decay, terminal antenna checkout equipment can be emitted to smoothly, and the Signal reception that terminal antenna checkout equipment can be fed back be back in passive multisystem access device; In addition, in the embodiment of the present invention, the incoming frequency of detection signal is the commercial frequency that national Ministry of Industry and Information issues equally, and this commercial frequency is used for radio frequency identification technology, and therefore frequency range is that the frequency range of 920 ~ 925MHz can be used.
As can be seen from the above embodiments, passive multisystem access device in the embodiment of the present invention possesses the ability communicated with terminal antenna detection system, thus make indoor distributed system on the basis possessing traditional function, add the function of terminal antenna working condition detection, this benefit brought be exactly administrative staff can Real-time Collection to the ruuning situation of all terminal antennas of indoor distributed system and passive device, when design indoor distributed system, this Functional Design is come into operation, can reduce on the one hand user because of the reasons for damage of terminal antenna or passive device can not proper communication and the complaint event that causes, improve the service quality of operator, on the other hand, present invention also avoids maintenance personal use signal detection apparatus to terminal antenna and for no reason at all device carry out scene and detect one by one, not only alleviate the workload of maintenance personal, and the situation of terminal antenna and passive device abnormal work can also be found in the very first time.
Claims (3)
1. a passive multisystem access device, it is characterized in that the detection signal input port comprised for inputting 920 ~ 925MHz detection signal, at least one is for the signal of communication input port of input communication signal, signal output port, each signal of communication input port described is respectively connected with first filter, the parameter of described first filter is arranged according to the frequency of the input communication signal of connected signal of communication input port and bandwidth, described detection signal input port is connected with the second filter, the parameter of described second filter is arranged according to the frequency of detection signal and bandwidth, the output of described second filter, at least connected by a multiplexer between the output of each the first filter, the output of described multiplexer is connected with the input of full bandwidth electric bridge, the output of described full bandwidth electric bridge is connected with signal output port, the operating frequency range of described full bandwidth electric bridge covers the frequency range of input signal of detection signal input port and the frequency range of the input signal of signal of communication input port.
2. passive multisystem access device according to claim 1, is characterized in that described first filter is single-frequency filter or double frequency filter.
3. passive multisystem access device according to claim 1, is characterized in that described second filter is single-frequency filter or double frequency filter.
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| CN201510536829.8A CN105246176A (en) | 2015-08-27 | 2015-08-27 | Passive multi-system access device |
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| CN201510536829.8A CN105246176A (en) | 2015-08-27 | 2015-08-27 | Passive multi-system access device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20090170444A1 (en) * | 2007-12-26 | 2009-07-02 | Francis Emmanuel Retnasothie | Software defined radio with configurable multi-band front-end |
| CN101753181A (en) * | 2008-12-12 | 2010-06-23 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN201517821U (en) * | 2009-07-15 | 2010-06-30 | 周平 | Air purifier connected with anion generator |
| CN104463289A (en) * | 2013-09-16 | 2015-03-25 | 深圳市同盛绿色科技有限公司 | Anti-counterfeiting method and mobile device |
-
2015
- 2015-08-27 CN CN201510536829.8A patent/CN105246176A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090170444A1 (en) * | 2007-12-26 | 2009-07-02 | Francis Emmanuel Retnasothie | Software defined radio with configurable multi-band front-end |
| CN101753181A (en) * | 2008-12-12 | 2010-06-23 | 大唐移动通信设备有限公司 | Data transmission method, system and device |
| CN201517821U (en) * | 2009-07-15 | 2010-06-30 | 周平 | Air purifier connected with anion generator |
| CN104463289A (en) * | 2013-09-16 | 2015-03-25 | 深圳市同盛绿色科技有限公司 | Anti-counterfeiting method and mobile device |
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Application publication date: 20160113 |