CN204741520U - System based on broadcasting and TV platform coaxial cable realizes that 4G signal degree of depth covers - Google Patents
System based on broadcasting and TV platform coaxial cable realizes that 4G signal degree of depth covers Download PDFInfo
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- CN204741520U CN204741520U CN201520444875.0U CN201520444875U CN204741520U CN 204741520 U CN204741520 U CN 204741520U CN 201520444875 U CN201520444875 U CN 201520444875U CN 204741520 U CN204741520 U CN 204741520U
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Abstract
The utility model relates to a system based on broadcasting and TV platform coaxial cable realizes that 4G signal degree of depth covers, this system include radio frequency feeder, the combiner (blender) of broadcasting and TV cable television (CATV) coaxial cable, transmission 2G and 4G signal, spliter (striding the way ware) and intelligent terminal. The utility model discloses a system based on broadcasting and TV platform coaxial cable realizes that 4G signal degree of depth covers utilizes broadcasting and TV cable television coaxial cable to register one's residence comprehensively to can the transmission the highest 5GHz radiofrequency signal's characteristics, advance coaxial cable with 2G and 4G signal coupled, through intelligent terminal wireless transmitting, thereby solution 4G signal is at indoor covering problem, this system based on broadcasting and TV platform coaxial cable realizes that 4G signal degree of depth covers is applied to the radio communication field, is applicable to the 4G signal cabin interlap of various standards, and is with low costs, and engineering fast implementation, and the current system of compatible broadcasting and TV have extensive application prospect.
Description
Technical field
The utility model relates to wireless communication technology field, particularly relates to the solution that 4G signal depth covers, and specifically refers 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 800-900MHz 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.
Utility model content
The purpose of this utility model 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 utility model 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, splitter, several intelligent terminal and broadcasting and TV platform; Described mixer is connected with base station, access point or room sub-module by radio frequency feed line, described mixer is connected with CATV signal by coaxial cable, described mixer is connected with splitter by coaxial cable, and described splitter is connected with described mixer and several intelligent terminal respectively by coaxial cable; Described several intelligent terminals are connected with subscriber computer top box by coaxial cable, and to make 2G and 4G signal by described antenna transmission, described CATV signal exports described subscriber computer top box to; Described broadcasting and TV platform, is connected with described splitter, exports described subscriber computer top box to make described CATV signal.
Further, described mixer comprises the first impedance matching module and energy conversion module, the first input end of the first described impedance matching module is connected with described base station, access point or room sub-module, second input of the first described impedance matching module is connected with described CATV signal, and the output of the first described impedance matching module is connected with described splitter.
Further, described splitter comprises energy distribution module and isolation module; The input of described energy distribution module is connected with the output of described mixer, the output that described energy distribution module is defeated is connected with the input of described isolation module, and the output of described isolation module is connected with described several intelligent terminal and described broadcasting and TV platform respectively.
Further, described intelligent terminal comprises the second impedance matching module, the first filtration module, Anneta module, the second filtration module and variable gain module; The input of the second described impedance matching module and the input of the second described filtration module export with a road of described splitter and are connected, the output of the second described impedance matching module is connected with the input of the first described filtration module, the first described filtration module and the intercommunication of Anneta module that 4G signal and 2G signal can be launched, the output of the second described filtration module is connected with the input of described variable gain module, and the output of described variable gain module is connected with subscriber computer top box.
Further, described broadcasting and TV platform comprises distributor and several subscriber computer top box; The input of described distributor exports with a road of described splitter and is connected, and several outputs of described distributor connect one to one with described several subscriber computer top boxs respectively.
Have employed the system realizing the covering of 4G signal depth based on broadcasting and TV platform coaxial cable in this utility model, 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 utility model.
Fig. 2 is the structural representation of mixer of the present utility model.
Fig. 3 is the structural representation of splitter of the present utility model.
Fig. 4 is the structural representation of intelligent terminal of the present utility model.
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 utility model:
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, its groundwork step comprises the structure of mixer of the present utility model (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 utility model (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 utility model:
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 utility model, 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.
Of the present utility model based on broadcasting and TV platform coaxial cable realize 4G signal depth cover system technical scheme in, each wherein included functional module and modular unit all can correspond to the particular hardware circuit in integrated circuit structure, therefore the improvement of particular hardware circuit is only related to, hardware components not only belongs to the carrier performing control software design or computer program, therefore solve corresponding technical problem and obtain the application that corresponding technique effect do not relate to any control software design or computer program yet, that is, the utility model only utilizes the improvement of the hardware circuit aspect involved by these modules and unit namely can solve technical problem to be solved, and obtain corresponding technique effect, and do not need auxiliary namely can realize corresponding function with specific control software design or computer program.
Above-described embodiment is this patent preferred embodiment; not be used for limiting practical range of the present utility model; those skilled in the art is under the prerequisite not departing from the utility model principle; the improvement done, change, combination, substitute etc., all belong within the utility model claim scope required for protection.
In this description, the utility model is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from spirit and scope of the present utility model.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, splitter, several intelligent terminal and broadcasting and TV platform; Described mixer is connected with base station, access point or room sub-module by radio frequency feed line, described mixer is connected with CATV signal by coaxial cable, described mixer is connected with splitter by coaxial cable, and described splitter is connected with described mixer and several intelligent terminal respectively by coaxial cable; Described several intelligent terminals are connected with subscriber computer top box by coaxial cable, and to make 2G and 4G signal by antenna transmission, described CATV signal exports described subscriber computer top box to; Described broadcasting and TV platform, is connected with described splitter, exports described subscriber computer top box to make described CATV signal.
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 the first impedance matching module and energy conversion module, the first input end of the first described impedance matching module is connected with described base station, access point or room sub-module, second input of the first described impedance matching module is connected with described CATV signal, and the output of the first described impedance matching module is connected with described splitter.
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 and isolation module; The input of described energy distribution module is connected with the output of described mixer, the output that described energy distribution module is defeated is connected with the input of described isolation module, and the output of described isolation module is connected with described several intelligent terminal and described broadcasting and TV platform respectively.
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 the second impedance matching module, the first filtration module, Anneta module, the second filtration module and variable gain module; The input of the second described impedance matching module and the input of the second described filtration module export with a road of described splitter and are connected, the output of the second described impedance matching module is connected with the input of the first described filtration module, the first described filtration module and the intercommunication of Anneta module that 4G signal and 2G signal can be launched, the output of the second described filtration module is connected with the input of described variable gain module, and the output of described variable gain module is connected with 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 and several subscriber computer top box; The input of described distributor exports with a road of described splitter and is connected, and several outputs of described distributor connect one to one with described several subscriber computer top boxs respectively.
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| CN201520444875.0U CN204741520U (en) | 2015-06-25 | 2015-06-25 | System based on broadcasting and TV platform coaxial cable realizes that 4G signal degree of depth covers |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111246310A (en) * | 2020-01-09 | 2020-06-05 | 湖北省广播电视信息网络股份有限公司 | 5G-based interactive television interactive network access method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111246310A (en) * | 2020-01-09 | 2020-06-05 | 湖北省广播电视信息网络股份有限公司 | 5G-based interactive television interactive network access method |
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