CN203840547U - Mobile signal coverage equipment based on EOC - Google Patents
Mobile signal coverage equipment based on EOC Download PDFInfo
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- CN203840547U CN203840547U CN201320524399.4U CN201320524399U CN203840547U CN 203840547 U CN203840547 U CN 203840547U CN 201320524399 U CN201320524399 U CN 201320524399U CN 203840547 U CN203840547 U CN 203840547U
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Abstract
The utility model provides novel deep coverage equipment of a mobile signal, wherein the equipment is further developed on the basis of EOC equipment of point-to-point low-frequency modulation. The equipment comprises local-side equipment and user terminal equipment which is connected with the local-side equipment through a coaxial cable. The local-side equipment comprises a unit combining a mobile wireless signal and a CATV signal, an Ethernet data exchange unit, an Ethernet data modulation module, and a unit combining a signal, which combines the mobile wireless signal with the CATV signal, with a modulated Ethernet data signal. The combined signals of the modulated Ethernet data signal and the wireless signal with the CATV signal are outputted through the coaxial cable. A user management module can achieve the multi-business transmission and the overall management and control. The terminal equipment separates the Ethernet data signal, the CATV signal and the mobile wireless signal at the user terminal, wherein the Ethernet data signal, the CATV signal and the mobile wireless signal are respectively connected to the corresponding user interface. The equipment achieves the access of the network data signal and the CATV signal through the coaxial cable at the same time, mainly achieves the indoor deep coverage of the mobile wireless signal, and achieves the functions of surfing the Internet through a CATV network in a broadband manner, watching TV, cellphone communication, and surfing the Internet.
Description
Technical field
The utility model belongs to signal soverlay technique field, relates to the connecting system that a kind of wireless signal covers, and especially a kind of CATV coaxial cable that utilizes based on EOC equipment is realized the indoor coverage equipment that mobile communication signal enters building or registers one's residence.
Background technology
The number of users of China Mobile is in continuous increase, and mobile service has about 70% to occur in indoorly, and more and more along with the quick increase of its user and skyscraper, community, hotel, office building, traffic density and coverage requirement also constantly rise.The a large amount of construction materials such as armored concrete that use of these buildings, have very strong shielding action to mobile telephone signal.
In order to address the above problem, need to solve mobile communication signal Ru building and the problem of registering one's residence.Current normally used indoor covering system is comprised of information source, RF cable, RF power division device, distribution antenna.This normally used movable signal indoor covering method need to be laid special cable at interior of building, and a large amount of power devices is installed, and quantities is large, constructional difficulties, and cost is high.So if mobile operator carries out separately cable laying, invest large and constructional difficulties, be very unpractical.
The existing cable TV network hfc plant of China is the cable TV network of userbase maximum in the world, and Broadcast and TV system has the incomparable abundant cable resource of registering one's residence of other system.At present, in the building of most cities, particularly in home dwelling, catv network becomes basically universal, and CATV coaxial cable has been routed to the indoor of each resident family substantially.
Coaxial cable, as the resource of cable TV network, has high bandwidth, broadband and good noise suppression feature, simultaneously transmission of digital, voice, video and wireless signal.Existing EOC equipment has only been used low frequency spectrum scope at present, mobile radio signal belongs to medium-high frequency signal, without carrying out band modulation, just can directly in coaxial cable, transmit, so the access technology of this CATV of the utilization coaxial cable transmission mobile communication signal that we propose is a kind of low cost, high performance solution.
Utility model content
The utility model is to provide a kind of movable signal overlay device based on EOC, a little less than being intended to solve mobile communication signal indoor signal, the problem of the aspects such as indoor distributed system cabling is difficult, great in constructing amount, engineering cost is high, providing a kind of combines and utilizes CATV coaxial cable to realize the degree of depth covering system that wireless signal enters building or registers one's residence with EOC equipment, can realize register one's residence transmission and the degree of depth covering of multiple wireless signal, solve the difficult problem of registering one's residence of operator's signal of communication, improved corridor or indoor network coverage quality.Engineering construction is simpler, and cost is low, is suitable for large application scope.
According to scheme of the present utility model, on the basis of point-to-point low frequency modulations EOC technology, provide a kind of new equipment, for realize the deep covering that mobile radiotelephone signal enters building or registers one's residence by CATV coaxial cable.This equipment comprises local side apparatus and passes through the coupled a plurality of subscriber terminal equipments of coaxial cable.Local side apparatus is arranged in corridor light current well, and ustomer premises access equipment is placed in building inner room or in user family.Mobile communication signal, CATV signal and Ethernet data signal are linked on local side apparatus, and through the signal fused of local side apparatus, Zai Jianghe road signal is transferred to ustomer premises access equipment by coaxial cable.Described mobile communication signal is CDMA, GSM, DCS, WCDMA, TD-SCDMA, PHS wireless mobile communications signal, can be also WLAN wireless signal.
Local side apparatus comprises: 50/75 ohmage conversion module, mobile radiotelephone signal and CATV signal close road and allocation units, Ethernet data Switching Module, user management module, multiple signals mixing module and data signal modulation demodulation module.
The upper port access network based on ethernet data-signal of data exchange module, lower port Yi road is connected with user management module is two-way, two-way connection of modulation /demodulation module of each Lu Douyu of all the other of lower port.The separative element of mobile communication signal and CATV comprises high pass filter and low pass filter, and high pass filter completes the extraction of wireless signal and isolates CATV signal, and low pass filter completes the extraction of CATV signal and isolates wireless signal.
Local side apparatus completes: the impedance transformation function of 50 ohm and 75 ohm, multiple mobile radiotelephone signal and CATV signal He road function, mobile radiotelephone signal and CATV signal close the signal distribution function behind road, the exchanges data of Ethernet data signal and modulation function, signal after mobile wireless and CATV signal He road signal distribute and the Ethernet data signal after modulation close the function on road, the management of subscriber access system.
Ustomer premises access equipment comprises: close road signal distribution unit, the separative element of wireless signal and CATV signal, the modem module of Ethernet data signal, the transmitter unit of wireless signal.
Ustomer premises access equipment completes: the separation function of wireless signal and CATV signal He road signal and Ethernet data signal, the separation function of wireless signal and CATV signal, the demodulation function of Ethernet data signal, the covering function of various mobile radiotelephone signals.
Local side apparatus and ustomer premises access equipment in conjunction with and utilize the function of original EOC local side and each module of ustomer premises access equipment, when the mixing that completes CATV signal, Ethernet data signal is linked into family, realized the access and degree of depth covering of mobile radiotelephone signal.
Accompanying drawing explanation
Fig. 1 is the concrete function block diagram according to equipment of the present utility model;
Fig. 2 is linked into the schematic diagram of a plurality of user terminals according to the utility model movable signal overlay device.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated.
As shown in Figure 1, this equipment comprises local side apparatus and passes through the connected terminal equipment of coaxial cable.This local side apparatus mainly comprises that 50/75 ohmage conversion module, mobile radiotelephone signal and CATV signal close road and allocation units, Ethernet data Switching Module, user management module, multiple signals mixing module and data signal modulation demodulation module.This subscriber terminal equipment comprises and closes road signal distribution unit, the separative element of mobile radiotelephone signal and CATV signal, the modem module of Ethernet data signal, the transmitter module of wireless signal.
Ethernet data Switching Module is the core of Ethernet data exchange, and it comprises Ethernet switching chip, CPU, network isolation transformer, power module and indicator light etc.Lower port one tunnel of this ethernet switching module connects outside user management module, and all the other each roads are all connected with a modulation /demodulation module, then by coaxial cable, are connected with terminal through signal mixing module, realize the access of Ethernet data.The upper port access network based on ethernet data-signal of data exchange module, lower port Yi road is connected with user management module is two-way, two-way connection of modulation /demodulation module of each Lu Douyu of all the other of lower port, signal mixing module is respectively with user management module, Ethernet data modulation module and for being connected the two-way connection of coaxial cable of subscriber terminal equipment, multi-modulation scheme signal mixing module is mixed CATV signal and mobile communication signal and Ethernet data signal, by cable tv coax, is being transferred to respectively each subscriber terminal equipment.
The mobile communication wireless signal of different systems, GSM for example, CDMA, DCS, WCDMA, PHS, TD-SCDMA, WLAN etc., 50 ohm of wireless signal coaxial cable input interfaces that close road and allocation units by coaxial cable and the signal of local side apparatus are connected, and radicals by which characters are arranged in traditional Chinese dictionaries first complete the impedance transformation of 50 ohm to 75 ohm of wireless signals within it; The 75 ohm coaxial cable input interfaces that CATV signal closes road and allocation units by coaxial cable and signal are connected, and then close road with mobile radiotelephone signal again, then close the signal that road signal is divided into multichannel after the demultplexer of the inside and export respectively.Ethernet data signal separates multichannel Ethernet data signal through data exchange module, be connected with modulation /demodulation module respectively again, signal after ovennodulation is input to multiple signals to be mixed and splitter, output along separate routes again after mixing with mobile radiotelephone signal and CATV cable TV signal He road signal, the mixed signal after output is transferred to subscriber terminal equipment through coaxial cable.
Subscriber terminal equipment is first separated into mixed signal wireless signal and CATV cable TV signal He road signal and Ethernet data downstream signal.Mobile radiotelephone signal and CATV cable TV signal He road signal are connected to respectively in high pass filter and low pass filter successively, by the mobile radiotelephone signal after high pass filter, by domestic aerial, launch, and the degree of depth that completes wireless signal covers; By the CATV signal of low pass filter, be input to user's CATV interface, can supply TV signal.Ethernet data downstream signal exports user's network interface to after the demodulation of terminal modulation /demodulation module, from the up-link wireless signal of user terminal, through signal high pass filter, then is transferred to local side apparatus by coaxial cable, finally by cable, transfers back to base station.
As shown in Figure 2, this equipment can be by CATV cable TV signal, wireless signal and Ethernet data signal access to user simultaneously, owing to having adopted modulation-demodulation device, so can pass through branch distributor while transferring to terminal equipment by local side apparatus, before having overcome, baseband equipment cannot be by the problem of branch distributor.An equipment can support at most 14 users surf the Net simultaneously and see TV, and has strengthened the indoor coverage strength of wireless signal, mutually between data service, interferes with each other.
Claims (6)
1. the movable signal overlay device based on EOC, it is characterized in that: comprise local side apparatus and ustomer premises access equipment, local side apparatus comprises: for mobile communication signal being converted to the impedance transformation device that is adapted at the 75 ohmage output signals that coax network transmits, for CATV signal and mobile communication signal are closed to wireless signal and the CATV combiner unit on road, be used for the wireless and CATV signal behind Jiang He road and through the Ethernet data signal of ovennodulation, close multiple signals mixing and the splitter on road, Ethernet data Switching Module, user management module, data signal modulation demodulation module, multiple signals mixing module, , subscriber terminal equipment comprises: Ethernet data signal is separated to He road signal distribution unit, the separative element of mobile radiotelephone signal and CATV signal, the modem module of Ethernet data signal, CATV signal separation module is connected with ustomer premises access equipment by coaxial cable with local side apparatus.
2. the movable signal overlay device based on EOC according to claim 1, is characterized in that: described local side apparatus also comprises that 50/75 ohmage conversion module, mobile radiotelephone signal and CATV signal close road and allocation units, Ethernet data Switching Module, user management module, multiple signals mixing module and data signal modulation demodulation module.
3. the movable signal overlay device based on EOC according to claim 1, is characterized in that: the user management module of described local side apparatus is the control and management based on realizing each user CATV signal and Ethernet data signal centered by ARM module.
4. according to right, want the movable signal overlay device based on EOC described in 2, it is characterized in that: the upper port access network based on ethernet data-signal of data exchange module, lower port Yi road is connected with user management module is two-way, two-way connection of modulation /demodulation module of each Lu Douyu of all the other of lower port, signal mixing module respectively with user management module, Ethernet data modulation module and for connecting the two-way connection of coaxial cable of subscriber terminal equipment, multi-modulation scheme signal mixing module is mixed CATV signal and mobile communication signal and Ethernet data signal, by cable tv coax, be transferred to respectively each subscriber terminal equipment.
5. the movable signal overlay device based on EOC according to claim 1, it is characterized in that: described subscriber terminal equipment comprises branch distributor, the separative element of mobile communication signal and CATV signal, the modem module of Ethernet data signal, the transmitter unit of mobile communication signal.
6. the movable signal overlay device based on EOC according to claim 5, it is characterized in that: the separative element of mobile communication signal and CATV comprises high pass filter and low pass filter, high pass filter completes the extraction of wireless signal and isolates CATV signal, and low pass filter completes the extraction of CATV signal and isolates wireless signal;
Wireless signal is gone out by antenna transmission after by high pass filter, completes the covering of wireless signal; CATV signal, by low pass filter, is input to CATV user interface by CATV signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524399.4U CN203840547U (en) | 2013-08-27 | 2013-08-27 | Mobile signal coverage equipment based on EOC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524399.4U CN203840547U (en) | 2013-08-27 | 2013-08-27 | Mobile signal coverage equipment based on EOC |
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| CN203840547U true CN203840547U (en) | 2014-09-17 |
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| CN201320524399.4U Expired - Fee Related CN203840547U (en) | 2013-08-27 | 2013-08-27 | Mobile signal coverage equipment based on EOC |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130847A (en) * | 2016-08-09 | 2016-11-16 | 嘉兴佳利电子有限公司 | A kind of integration WOC+EOC+CATV transmits system |
| CN109413341A (en) * | 2018-11-20 | 2019-03-01 | 广州珠江数码集团股份有限公司 | A kind of internet of things networking method based on broadcasting and TV hfc plant |
| CN111147095A (en) * | 2019-12-19 | 2020-05-12 | 西安云维智联科技有限公司 | Method, circuit and device for separating radio frequency signal and digital square wave signal |
| CN111586704A (en) * | 2020-03-23 | 2020-08-25 | 北京瀚诺半导体科技有限公司 | System for carry out indoor degree of depth of 5G and cover based on coaxial cable |
| CN111614379A (en) * | 2020-05-15 | 2020-09-01 | 上海大学 | Active antenna distribution system based on coaxial cable network |
| CN113543155A (en) * | 2020-04-17 | 2021-10-22 | 国家广播电视总局广播电视科学研究院 | 5G network indoor coverage system and indoor coverage method based on wired network |
-
2013
- 2013-08-27 CN CN201320524399.4U patent/CN203840547U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106130847A (en) * | 2016-08-09 | 2016-11-16 | 嘉兴佳利电子有限公司 | A kind of integration WOC+EOC+CATV transmits system |
| CN109413341A (en) * | 2018-11-20 | 2019-03-01 | 广州珠江数码集团股份有限公司 | A kind of internet of things networking method based on broadcasting and TV hfc plant |
| CN111147095A (en) * | 2019-12-19 | 2020-05-12 | 西安云维智联科技有限公司 | Method, circuit and device for separating radio frequency signal and digital square wave signal |
| CN111147095B (en) * | 2019-12-19 | 2021-10-15 | 西安云维智联科技有限公司 | Method, circuit and device for separating radio frequency signal and digital square wave signal |
| CN111586704A (en) * | 2020-03-23 | 2020-08-25 | 北京瀚诺半导体科技有限公司 | System for carry out indoor degree of depth of 5G and cover based on coaxial cable |
| CN111586704B (en) * | 2020-03-23 | 2021-09-21 | 北京瀚诺半导体科技有限公司 | System for carry out indoor degree of depth of 5G and cover based on coaxial cable |
| CN113543155A (en) * | 2020-04-17 | 2021-10-22 | 国家广播电视总局广播电视科学研究院 | 5G network indoor coverage system and indoor coverage method based on wired network |
| CN113543155B (en) * | 2020-04-17 | 2024-02-23 | 国家广播电视总局广播电视科学研究院 | 5G network indoor coverage system and indoor coverage method based on wired network |
| CN111614379A (en) * | 2020-05-15 | 2020-09-01 | 上海大学 | Active antenna distribution system based on coaxial cable network |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160827 |