CN104902211A - System for realizing 4G signal deep coverage based on radio and television platform coaxial cable - Google Patents
System for realizing 4G signal deep coverage based on radio and television platform coaxial cable Download PDFInfo
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- CN104902211A CN104902211A CN201510359266.XA CN201510359266A CN104902211A CN 104902211 A CN104902211 A CN 104902211A CN 201510359266 A CN201510359266 A CN 201510359266A CN 104902211 A CN104902211 A CN 104902211A
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Abstract
The present invention relates to a system for realizing 4G signal deep coverage based on a radio and television platform coaxial cable. The system comprises a radio and television cable television (CATV) coaxial cable, a radio frequency feeder line for transmitting 2G and 4G signals, a combiner (i.e., a mixer), a splitter (i.e., a striding device) and intelligent terminals. According to the system provided by the present invention, characteristics that the radio and television CATV coaxial cables have comprehensively entered into homes and can transmit the highest 5 GHz radio-frequency signals are utilized, and the 2G and 4G signals are coupled into the coaxial cables and are wirelessly emitted through the intelligent terminals, thereby solving the problem of coverage of 4G signals indoors; and the system provided by the present invention is applied to the wireless communication field, applicable to indoor coverage of the 4G signals of different systems, is low in cost, rapid in engineering implementation and compatible with the conventional radio and television systems, and has wide application prospects.
Description
Technical field
The present invention relates to wireless communication technology field, particularly relate to the solution that 4G signal depth covers, specifically refer to a kind of system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable.
Background technology
4G network, by feat of powerful network capacity and concatenation ability, has become the indispensability that people enter intelligent interconnection life.The development of network different from the past, 4G network is expected and high request along with the height of user, is just widely used at the beginning of deployment.By the end of in by the end of January, 2015, only the 4G number of users of China Mobile just just reaches 44% more than the Mobile data flow accounting of 100,000,000,4G carrying.This just means that general New-deployed Network is first disposed, runs, continues to optimize the development path of gradual perfection again, is no longer applicable to 4G.
Coverage condition is one of key factor determining network capabilities, along with increasing substantially and the explosive growth of Mobile data of 4G number of users, the inherent shortcomings such as 4G signal high band, high loss, low diffracting power appear gradually, in the dense-constructed area such as city neighborhood, shopping centre, the ubiquity degree of depth covers poor situation, and in high-rise building, indoor coverage of signal problem is especially outstanding.
At present, each operator solves 4G signal depth covering problem mainly through building the modes such as micro-base station, but these mode hardware investments are large, and construction is complicated, DeGrain, and there is electromagnetic radiation.Along with the reinforcement of Chinese common people's troxerutine tabtets, the base station that continuous appearance has been laid is forced to the situation of moving or removing, and causes huge waste.Therefore 4G signal depth covering problem is solved in the urgent need to a kind of system and method reliable, with low cost.
On the other hand, broadcasting and TV cable tv coax and communication network optical fiber domesticly onlyly can enter indoor cable resource, and the most high energy of the coaxial cable of current broadcasting and TV by 5GHz signal, but only used 45-860MHz frequency range, all the other frequency ranges are left unused, and available frequency resource is very abundant.
Therefore entering indoor based on broadcasting and TV cable tv coax transmission 4G signal, then launched by intelligent terminal, is a kind of reliable, low cost, engineering construction simple 4G signal depth covering solution.
Summary of the invention
The object of the invention is the shortcoming overcoming above-mentioned prior art, provide and a kind ofly can solve the covering of 4G signal in indoor, reduce operator's base station construction to drop into, construction and operations risks, meet the system that based on broadcasting and TV platform coaxial cable realize 4G signal depth covering of users to the user demand of 4G.
To achieve these goals, of the present invention based on broadcasting and TV platform coaxial cable realize 4G signal depth cover system there is following formation:
Should realize the system of 4G signal depth covering based on broadcasting and TV platform coaxial cable, its main feature is, described system comprises:
Mixer, be connected with base station, access point or room sub-module by radio frequency feed line, be connected with CATV signal by coaxial cable, be connected with splitter by coaxial cable, in order to export described splitter to by after the 2G signal obtained from base station, access point or room sub-module and 4G signal and the CATV signal coupling that obtains from coaxial cable;
Splitter, is connected with described mixer and several intelligent terminal respectively by coaxial cable, and the coupled signal in order to be exported by described mixer decomposes and exports several intelligent terminal to;
Several intelligent terminal, comprise antenna, and be connected with subscriber computer top box by coaxial cable, in order to input signal to be resolved into 2G, 4G and CATV tri-groups of signals, and by 2G and 4G signal by described antenna transmission, export described CATV signal to described subscriber computer top box;
Broadcasting and TV platform, in order to obtain CATV signal by after input signal filtering, and exports described CATV signal to described subscriber computer top box.
Further, described mixer comprises:
First impedance matching module, exports in order to the input signal being inputted different impedance by described radio frequency feed line and described coaxial cable to be converted to identical impedance;
Energy conversion module, in order to by by described radio frequency feed line and described coaxial cable input two signal couplings and export.
Further, described splitter comprises:
Energy distribution module, is distributed into many branch roads in order to the signal exported by described mixer by the number of described several intelligent terminal and broadcasting and TV platform;
Isolation module, in order to isolate the signal of many described branch roads, and exports the signal of many described branch roads to described several intelligent terminal and broadcasting and TV platform.
Further, described intelligent terminal comprises:
Second impedance matching module, in order to be reduced to the impedance of 2G signal and 4G signal by the impedance after coupling;
First filtration module, in order to filtering CATV signal, and carries out two-way signaling transmission by amplification module and filtration module and Anneta module;
Anneta module, in order to launch described 2G signal and 4G signal;
Second filtration module, in order to filtering 2G signal and 4G signal;
Variable gain module, in order to amplify the CATV signal of the second described filter output and the CATV module after amplifying be sent to subscriber computer top box.
Further, described broadcasting and TV platform comprises:
Distributor, is distributed into some roads in order to the signal exported by described splitter;
Several subscriber computer top box, in order to receive the road signal that described distributor exports.
Have employed the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable in this invention, compared with prior art, there is following beneficial effect:
1, be not subject to the restriction of the shortcomings such as 4G signal frequency is not high, loss is high, diffracting power is poor, realize the good covering of 4G signal in indoor.
2, without the need to infrastructure such as the newly-built base stations of operator, fund input and engineering, operations risks is reduced, and can more effective raising 4G covering effect of signals.
3, make full use of that broadcasting and TV are existing has laid the cable tv coax resource of registering one's residence, with existing CATV signal compatibility.
4, system cost is low, engineering construction is fast, reliability is high, is applicable to the 4G signal in-door covering of various standard, is with a wide range of applications.
Accompanying drawing explanation
Fig. 1 is the structural representation realizing the system that 4G signal depth covers based on broadcasting and TV platform coaxial cable of the present invention.
Fig. 2 is the structural representation of mixer of the present invention.
Fig. 3 is the structural representation of splitter of the present invention.
Fig. 4 is the structural representation of intelligent terminal of the present invention.
Embodiment
In order to more clearly describe technology contents of the present invention, conduct further description below in conjunction with specific embodiment.
High for 4G signal frequency, loss is high, the poor degree of depth covering problem caused of diffracting power, as shown in Figure 1, groundwork step comprises system configuration of the present invention:
From the existing base station of operator or access point or room sub-module, draw 2G and 4G signal, be transferred to an input of mixer (blender) by radio frequency feed line; The CATV signal of broadcasting and TV is by co-axial cables transport another input to mixer (blender).Described radio frequency feed line refers to and has identical or similar functions, but title is not limited to radio frequency feed line.
Mixer (blender), through inter-process, by 2G and 4G signal and CATV signal coupling, is outputted in splitter (across road device) by coaxial cable.Described mixer (blender) refers to and has identical or similar functions, but title is not limited to mixer or blender.
Splitter (across road device) is through inter-process, and by the single channel 2G of input, 4G and CATV mixed signal resolves into 2 tunnels or n road exports.The signal energy wherein outputting to intelligent terminal only accounts for the sub-fraction of input gross energy, and the signal energy outputting to each intelligent terminal is all identical; The signal energy outputted in the existing 1:N distributor of broadcasting and TV accounts for the overwhelming majority of gross energy.The concrete quantity of ratio depending on intelligent terminal of two energy and the numerical value of the existing distributor N of broadcasting and TV.Wherein, described splitter (across road device) exports for 2G, 4G and CATV signal of a road input is distributed into 2 tunnels or n road with comparatively low-loss, n road has 1 tunnel to be main output in exporting, residue n-1 road is branch's output, branch's output has to the sub-fraction of input signal, and most of signal still exports along main output.Described splitter (across road device) refers to and has identical or similar functions, but title is not limited to splitter or across road device.
Intelligent terminal is after receiving 2G, 4G and CATV signal, by process such as inner filtering, synchronous, amplifications, input signal is resolved into 2G, 4G and CATV tri-groups of signals, wherein 2G and 4G signal is wirelessly transmitted in the air by respective radio-frequency module and Anneta module, and CATV signal is still outputted in the existing Set Top Box of user by coaxial cable.
As shown in Figure 2, groundwork step comprises the structure of mixer of the present invention (blender):
50 Ω impedance input connect radio frequency feed line, receive 4G and 2G signal.75 Ω impedance input connecting coaxial cables, receive CATV signal.First impedance matching module converts 75 Ω impedances outputs to by unified for the input signal of two different impedances, then by energy conversion module, by two signal couplings, is exported by coaxial cable.
As shown in Figure 3, groundwork step comprises the structure of splitter of the present invention (across road device):
75 Ω impedance input connecting coaxial cables, receive 4G, 2G and CATV mixed signal that mixer (blender) exports.Energy distribution module is by the signal that receives by number distribute energy, and by most of concentration of energy at CATV output, dump energy is evenly distributed to one or more 4G and 2G output.These branches effectively isolate by isolation module, mutually disturb between anti-stop signal.These branch signals last all by 75 Ω impedance output via co-axial cables transport.
As shown in Figure 4, groundwork step comprises the structure of intelligent terminal of the present invention:
75 Ω impedance input connecting coaxial cables, receive 4G, 2G and CATV mixed signal that splitter (across road device) exports.
In terminal, signal is divided into two-way, and a road signal is after the second filtration module process, and filtering 4G and 2G signal, remaining CATV signal amplifies through variable gain module, is directly connected to coaxial cable by 75 Ω impedance output.
Another road signal, first by the second impedance transformation module, converts 50 Ω impedances to and exports.Then by the first filter module, by CATV target signal filter, simultaneously by 4G and 2G Signal separator.
Wherein 4G down link signal is synchronously processed by synchronization module, and amplify through amplification module and after filtration module process, be connected to Anneta module, wireless transmission exports.After Anneta module receives 4G uplink signal, by the invalid frequency band signals of filtration module filtering, amplify and synchronization module process through amplification module, convert 75 Ω output impedance signals to by filtration module and the second impedance matching module and return.
2G down link signal is amplified by amplification module, after filtration module process, is connected to Anneta module, and wireless transmission exports.After Anneta module receives 2G uplink signal, by the invalid frequency band signals of filtration module filtering, amplify process through amplification module, convert 75 Ω output impedance signals to by filtration module and the second impedance matching module and return.
Have employed the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable in this invention, compared with prior art, there is following beneficial effect:
1, be not subject to the restriction of the shortcomings such as 4G signal frequency is not high, loss is high, diffracting power is poor, realize the good covering of 4G signal in indoor.
2, without the need to infrastructure such as the newly-built base stations of operator, fund input and engineering, operations risks is reduced, and can more effective raising 4G covering effect of signals.
3, make full use of that broadcasting and TV are existing has laid the cable tv coax resource of registering one's residence, with existing CATV signal compatibility.
4, system cost is low, engineering construction is fast, reliability is high, is applicable to the 4G signal in-door covering of various standard, is with a wide range of applications.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (5)
1. realize a system for 4G signal depth covering based on broadcasting and TV platform coaxial cable, it is characterized in that, described system comprises:
Mixer, be connected with base station, access point or room sub-module by radio frequency feed line, be connected with CATV signal by coaxial cable, be connected with splitter by coaxial cable, in order to export described splitter to by after the 2G signal obtained from base station, access point or room sub-module and 4G signal and the CATV signal coupling that obtains from coaxial cable;
Splitter, is connected with described mixer and several intelligent terminal respectively by coaxial cable, and the coupled signal in order to be exported by described mixer decomposes and exports several intelligent terminal to;
Several intelligent terminal, comprise antenna, and be connected with subscriber computer top box by coaxial cable, in order to input signal to be resolved into 2G, 4G and CATV tri-groups of signals, and by 2G and 4G signal by described antenna transmission, export described CATV signal to described subscriber computer top box;
Broadcasting and TV platform, in order to obtain CATV signal by after input signal filtering, and exports described CATV signal to described subscriber computer top box.
2. the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable according to claim 1, it is characterized in that, described mixer comprises:
First impedance matching module, exports in order to the input signal being inputted different impedance by described radio frequency feed line and described coaxial cable to be converted to identical impedance;
Energy conversion module, in order to by by described radio frequency feed line and described coaxial cable input two signal couplings and export.
3. the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable according to claim 1, it is characterized in that, described splitter comprises:
Energy distribution module, is distributed into many branch roads in order to the signal exported by described mixer by the number of described several intelligent terminal and broadcasting and TV platform;
Isolation module, in order to isolate the signal of many described branch roads, and exports the signal of many described branch roads to described several intelligent terminal and broadcasting and TV platform.
4. the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable according to claim 1, it is characterized in that, described intelligent terminal comprises:
Second impedance matching module, in order to be reduced to the impedance of 2G signal and 4G signal by the impedance after coupling;
First filtration module, in order to filtering CATV signal, and carries out two-way signaling transmission by amplification module and filtration module and Anneta module;
Anneta module, in order to launch described 2G signal and 4G signal;
Second filtration module, in order to filtering 2G signal and 4G signal;
Variable gain module, in order to amplify the CATV signal of the second described filter output and the CATV module after amplifying be sent to subscriber computer top box.
5. the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable according to claim 1, it is characterized in that, described broadcasting and TV platform comprises:
Distributor, is distributed into some roads in order to the signal exported by described splitter;
Several subscriber computer top box, in order to receive the road signal that described distributor exports.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510359266.XA CN104902211A (en) | 2015-06-25 | 2015-06-25 | System for realizing 4G signal deep coverage based on radio and television platform coaxial cable |
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| CN201510359266.XA CN104902211A (en) | 2015-06-25 | 2015-06-25 | System for realizing 4G signal deep coverage based on radio and television platform coaxial cable |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401976A (en) * | 2019-08-27 | 2019-11-01 | 欧阳世杰 | Based on the base station distributed 5G gNB of Coaxial distribution network network and implementation method |
| CN112468186A (en) * | 2020-11-30 | 2021-03-09 | 广州珠江数码集团股份有限公司 | 5G signal transmission system based on coaxial cable |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094032A (en) * | 2007-05-31 | 2007-12-26 | 中国移动通信集团广东有限公司 | Radio signal coverage system |
| US20120096491A1 (en) * | 2010-10-15 | 2012-04-19 | Almondnet, Inc. | Correlating online behavior with presumed viewing of television advertisements |
| CN102547775A (en) * | 2012-02-29 | 2012-07-04 | 福建邮科通信技术有限公司 | System and method for simultaneous indoor covering of multiple types of communication signals by utilizing CATV (community antenna television) cable |
| CN202364383U (en) * | 2011-11-23 | 2012-08-01 | 武汉安德瑞科技有限公司 | Depth coverage system for realizing wireless signal to building/home by using CATV (Community Antenna Television) coaxial cables |
| CN104022946A (en) * | 2013-02-28 | 2014-09-03 | 上海芯域微电子有限公司 | Multi-medium Interconnected gateway device |
| CN104486219A (en) * | 2014-11-27 | 2015-04-01 | 国网上海市电力公司 | Communication equipment and communication method for multi-channel data |
-
2015
- 2015-06-25 CN CN201510359266.XA patent/CN104902211A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101094032A (en) * | 2007-05-31 | 2007-12-26 | 中国移动通信集团广东有限公司 | Radio signal coverage system |
| US20120096491A1 (en) * | 2010-10-15 | 2012-04-19 | Almondnet, Inc. | Correlating online behavior with presumed viewing of television advertisements |
| CN202364383U (en) * | 2011-11-23 | 2012-08-01 | 武汉安德瑞科技有限公司 | Depth coverage system for realizing wireless signal to building/home by using CATV (Community Antenna Television) coaxial cables |
| CN102547775A (en) * | 2012-02-29 | 2012-07-04 | 福建邮科通信技术有限公司 | System and method for simultaneous indoor covering of multiple types of communication signals by utilizing CATV (community antenna television) cable |
| CN104022946A (en) * | 2013-02-28 | 2014-09-03 | 上海芯域微电子有限公司 | Multi-medium Interconnected gateway device |
| CN104486219A (en) * | 2014-11-27 | 2015-04-01 | 国网上海市电力公司 | Communication equipment and communication method for multi-channel data |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110401976A (en) * | 2019-08-27 | 2019-11-01 | 欧阳世杰 | Based on the base station distributed 5G gNB of Coaxial distribution network network and implementation method |
| CN112468186A (en) * | 2020-11-30 | 2021-03-09 | 广州珠江数码集团股份有限公司 | 5G signal transmission system based on coaxial cable |
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Application publication date: 20150909 |
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