CN104065413A - Digital multi-medium transmission to-the-home covering system - Google Patents
Digital multi-medium transmission to-the-home covering system Download PDFInfo
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- CN104065413A CN104065413A CN201410326952.2A CN201410326952A CN104065413A CN 104065413 A CN104065413 A CN 104065413A CN 201410326952 A CN201410326952 A CN 201410326952A CN 104065413 A CN104065413 A CN 104065413A
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Abstract
The invention relates to a digital multi-medium transmission to-the-home covering system which comprises a near-end unit and a far-end unit. The digital multi-medium transmission to-the-home covering system is high in integration level through the arrangement of the near-end unit and the far-end unit, a mobile network signal and a WLAN signal or an EPON signal are combined for signal transmission by the utilization of an original to-the-home optical fiber and a category 5 cable, and wireless voice and data to-the-home covering is achieved without affecting original data functions of the original to-the-home optical fiber and category 5 cable. The problems that a traditional indoor distribution type system is long in construction time, and real estate coordination is difficult are solved. The mobile network signal enters indoors for covering through the original to-the-home optical fiber and the category 5 cable, so that the problems of the ping-pong effect and pilot pollution existing in an indoor network signal are solved, and the perception of a user is improved.
Description
Technical field
The invention belongs to Wireless Telecom Equipment technical field, be specifically related to a kind of digital multimedium and transmit the covering system of registering one's residence.
Background technology
There is broadband signal in existing community, hotel, hotel, generally adopt category-5 cable or optical fiber to realize WLAN signal and EPON signal and register one's residence and realize the covering of registering one's residence; And the covering of all not registering one's residence of traditional chamber subsystem, antenna is all on house doorway, signal during by body of wall decay serious, cause indoor signal and extraneous signal field intensity to be more or less the same, produce ping-pong and pilot pollution, have a strong impact on user's perception.
Summary of the invention
The object of the present invention is to provide a kind of digital multimedium to transmit the covering system of registering one's residence, utilize original category-5 cable or optical fiber to carry out signal transmission, realize the covering of wireless speech and data simultaneously, solve ping-pong and the pilot pollution of mobile network signals, improve user's perception.
For achieving the above object, technical scheme of the present invention is: a kind of digital multimedium transmits the covering system of registering one's residence, and comprises near-end machine and remote termination;
Described near-end machine for converting the mobile network signals of base station or base station zoom out system to digital medium-frequency signal, and after Base-Band Processing, closes road with WLAN signal or EPON signal and delivers to some described remote terminations by category-5 cable or optical fiber transmission in down link; Described near-end machine receives by category-5 cable or optical fiber the digital signal transmitting from remote termination in up link, this digital signal is formed by digital medium-frequency signal and WLAN signal or EPON signal combination, and by described digital signal after Base-Band Processing, be reduced into up radiofrequency signal and WLAN signal or EPON signal, described up radiofrequency signal is sent to described base station or base station zoom out system, and described WLAN signal or EPON signal are sent to switch;
Described remote termination receives by category-5 cable or optical fiber the digital signal transmitting from near-end machine in down link, this digital signal is formed by digital medium-frequency signal and WLAN signal or EPON signal combination, and described digital signal is reduced into downlink radio-frequency signal and WLAN signal or EPON signal after Base-Band Processing, described downlink radio-frequency signal covers the area of coverage by retransmitting antenna after amplifying, and described WLAN signal or EPON signal are sent to user side; Described remote termination receives mobile network's upward signal by retransmitting antenna in up link, this upward signal is converted to intermediate-freuqncy signal through duplexer, power amplifier low noise integrated module and lower frequency changer circuit, this intermediate-freuqncy signal is converted to digital signal through ADC analog-to-digital conversion module, and after Base-Band Processing, close road with WLAN signal or EPON signal and deliver to some described near-end machines by category-5 cable or optical fiber transmission.
In embodiments of the present invention, described near-end machine comprises dielectric duplexer, up-converter circuit, lower frequency changer circuit, DAC D/A converting circuit, ADC analog to digital conversion circuit, near-end Digital IF Processing unit and optical transceiver; Described dielectric duplexer is connected to optical transceiver and forms down link through lower frequency changer circuit, ADC analog to digital conversion circuit and near-end Digital IF Processing unit; Described optical transceiver is connected to dielectric duplexer through near-end Digital IF Processing unit, DAC D/A converting circuit and up-converter circuit and forms up link.
In embodiments of the present invention, described near-end Digital IF Processing unit is connected with remote termination through optical transceiver and by optical fiber; Described near-end Digital IF Processing unit is also connected with remote termination through Ethernet interface and by category-5 cable.
In embodiments of the present invention, described near-end Digital IF Processing unit has digital medium-frequency signal and WLAN signal or EPON signal is closed to road function along separate routes.
In embodiments of the present invention, described remote termination comprises duplexer, power amplifier low noise integrated module, lower frequency changer circuit, up-converter circuit, ADC analog to digital conversion circuit, DAC D/A converting circuit, remote digital IF processing unit and optical transceiver; Described optical transceiver is connected to duplexer through remote digital IF processing unit, DAC D/A converting circuit, up-converter circuit, power amplifier low noise integrated module and forms down link; Described duplexer is connected to optical transceiver through power amplifier low noise integrated module, lower frequency changer circuit, ADC analog to digital conversion circuit, remote digital IF processing unit and forms up link.
In embodiments of the present invention, described remote digital IF processing unit is connected with near-end machine through optical transceiver and by optical fiber; Described remote digital IF processing unit is also connected with near-end machine through Ethernet interface and by category-5 cable.
In embodiments of the present invention, described remote digital IF processing unit has digital medium-frequency signal and WLAN signal or EPON signal is closed to road function along separate routes.
Compared to prior art, the present invention has following beneficial effect: system of the present invention is by the near-end machine and the remote termination that arrange, there is higher integrated level, mobile network signals and WLAN signal or EPON signal are closed to road utilizes original Drop cable and category-5 cable to carry out signal transmission, do not affect original data function of original Drop cable and category-5 cable, realizing the covering of registering one's residence of wireless speech and data simultaneously; Overcome traditional indoor distributed system engineering time long, the construction difficult problems such as property difficult coordination; Mobile network signals enters indoor covering by original Drop cable and category-5 cable, thereby the difficult problems such as the ping-pong that solution internal home network signal exists and pilot pollution improve user's perceptibility.
Accompanying drawing explanation
Fig. 1 is that digital multimedium transmits the covering system theory diagram of registering one's residence.
Fig. 2 is that digital multimedium transmits the covering system near-end machine theory diagram of registering one's residence.
Fig. 3 is that digital multimedium transmits the covering system remote termination theory diagram of registering one's residence.
Fig. 4 is that digital multimedium transmits register one's residence covering system near-end Digital IF Processing unit and remote digital IF processing unit catenation principle block diagram.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is specifically described.
As shown in Figure 1, the digital multimedium transmission provided by the invention covering system of registering one's residence comprises near-end machine and remote termination; Near-end machine converts digital medium-frequency signal to for the signal that base station or base station zoom out system are received in down link, and through Base-Band Processing, and the digital signal that WLAN signal or EPON signal close behind road is delivered to some remote terminations through category-5 cable or optical fiber transmission; Described near-end machine receives from category-5 cable or optical fiber the digital signal that the digital medium-frequency signal that transmits from remote termination and WLAN signal or EPON signal combination form in up link, after Base-Band Processing, be reduced into up radiofrequency signal and WLAN signal or EPON signal, up radiofrequency signal sends back to base station or base station zoom out system; The switch that WLAN signal or EPON signal send back to.Remote termination in down link by the digital signal that receives the digital medium-frequency signal that transmits from near-end machine and WLAN signal or EPON signal combination by category-5 cable or optical fiber and form, after Base-Band Processing, be reduced into downlink radio-frequency signal and WLAN signal or EPON signal, downlink radio-frequency signal covers the area of coverage by retransmitting antenna after amplifying, and WLAN signal or EPON signal connect user side (being the equipment such as original wireless router, PC, light Modem).
As shown in Figure 2, near-end machine is comprised of dielectric duplexer, up-converter circuit, lower frequency changer circuit, DAC digital conversion circuit, ADC analog to digital conversion circuit, near-end Digital IF Processing unit; Described dielectric duplexer, lower frequency changer circuit, ADC analog to digital conversion circuit, near-end Digital IF Processing unit, the optical transceiver composition down link that is connected; Described optical transceiver, near-end Digital IF Processing unit, DAC D/A converting circuit, up-converter circuit, dielectric duplexer form up link.
As shown in Figure 3, described remote termination comprises duplexer, power amplifier low noise integrated module, lower frequency changer circuit, up-converter circuit, ADC analog to digital conversion circuit, DAC D/A converting circuit, remote digital IF processing unit and optical transceiver; Described optical transceiver is connected to duplexer through remote digital IF processing unit, DAC D/A converting circuit, up-converter circuit, power amplifier low noise integrated module and forms down link; Described duplexer is connected to optical transceiver through power amplifier low noise integrated module, lower frequency changer circuit, ADC analog to digital conversion circuit, remote digital IF processing unit and forms up link.
As shown in Figure 4, the down link that near-end Digital IF Processing unit and remote digital IF processing unit form: near-end Digital IF Processing unit receives the digital medium-frequency signal that transmitted by ADC analog to digital conversion circuit and WLAN signal or EPON signal and packs, framing, sign, rate transition, convert the speed that is applicable to category-5 cable or Optical Fiber Transmission to, through Ethernet interface or optical transceiver, by category-5 cable or Optical Fiber Transmission, arrive remote digital IF processing unit, remote digital IF processing unit to the digital signal that receives the digital medium-frequency signal that transmits near-end Digital IF Processing unit and WLAN signal or the packing of EPON signal through category-5 cable or optical fiber after Base-Band Processing, be reduced into digital medium-frequency signal and WLAN signal or EPON signal, WLAN signal or EPON signal connect original wireless router, PC, the equipment such as light Modem, digital medium-frequency signal is sent to DAC D/A converting circuit.Up link: remote digital IF processing unit receives the digital medium-frequency signal that transmitted by ADC analog to digital conversion circuit and WLAN signal or EPON signal and packs, framing, sign, rate transition, convert the speed that is applicable to category-5 cable or Optical Fiber Transmission to, through Ethernet interface or optical transceiver, by category-5 cable or Optical Fiber Transmission, arrive near-end Digital IF Processing unit, near-end Digital IF Processing unit to the digital signal that receives the digital medium-frequency signal that transmits near-end Digital IF Processing unit and WLAN signal or the packing of EPON signal through category-5 cable or optical fiber after Base-Band Processing, be reduced into digital medium-frequency signal and WLAN signal or EPON signal, WLAN signal or EPON signal connect original switch, the equipment such as light end box, digital medium-frequency signal is sent to DAC D/A converting circuit.
The operation principle that digital multimedium provided by the invention transmits the covering system of registering one's residence comprises downlink portion and uplink portion.
The operation principle of downlink portion: the downlink radio-frequency signal of near-end machine coupling base station or base station zoom out system, downlink radio-frequency signal enters lower frequency changer circuit through duplexer, the intermediate-freuqncy signal that is down-converted to 90M enters near-end Digital IF Processing unit, the 90M digital medium-frequency signal receiving and WLAN signal or EPON signal are packed in near-end Digital IF Processing unit, framing, sign, rate transition, convert the speed that is applicable to category-5 cable or Optical Fiber Transmission to, through Ethernet interface or optical transceiver, by category-5 cable or Optical Fiber Transmission, arrive remote digital IF processing unit, remote digital IF processing unit to the digital signal that receives the digital medium-frequency signal that transmits near-end Digital IF Processing unit and WLAN signal or the packing of EPON signal through category-5 cable or optical fiber after Base-Band Processing, be reduced into digital medium-frequency signal and WLAN signal or EPON signal, WLAN signal or EPON signal connect original wireless router, PC, the equipment such as light Modem, digital medium-frequency signal enters DAC D/A converting circuit, change into analog intermediate frequency signal and enter up-converter circuit, upconvert to downlink radio-frequency signal and enter power amplifier low noise integrated module, carrying out power amplification covers the area of coverage by retransmitting antenna by duplexer.
The operation principle of uplink portion: the up radiofrequency signal receiving from retransmitting antenna enters power amplifier LNA integrated module through duplexer and carries out entering lower frequency changer circuit after up low noise amplification, be down-converted to 90MHz intermediate-freuqncy signal, 90MHz intermediate-freuqncy signal enters remote digital IF processing unit, remote digital IF processing unit receives the digital medium-frequency signal that transmitted by ADC analog to digital conversion circuit and WLAN signal or EPON signal and packs, framing, sign, rate transition, convert the speed that is applicable to category-5 cable or Optical Fiber Transmission to, through Ethernet interface or optical transceiver, by category-5 cable or Optical Fiber Transmission, arrive near-end Digital IF Processing unit, near-end Digital IF Processing unit to the digital signal that receives the digital medium-frequency signal that transmits near-end Digital IF Processing unit and WLAN signal or the packing of EPON signal through category-5 cable or optical fiber after Base-Band Processing, be reduced into digital medium-frequency signal and WLAN signal or EPON signal, WLAN signal or EPON signal connect original switch, the equipment such as light end box, digital medium-frequency signal enters DAC D/A converting circuit, convert analog intermediate frequency signal to and enter up-converter circuit, upconvert to up radiofrequency signal, through duplexer, turn back to base station up.
Be more than preferred embodiment of the present invention, all changes of doing according to technical solution of the present invention, when the function producing does not exceed the scope of technical solution of the present invention, all belong to protection scope of the present invention.
Claims (7)
1. digital multimedium transmits the covering system of registering one's residence, and it is characterized in that: comprise near-end machine and remote termination;
Described near-end machine for converting the mobile network signals of base station or base station zoom out system to digital medium-frequency signal, and after Base-Band Processing, closes road with WLAN signal or EPON signal and delivers to some described remote terminations by category-5 cable or optical fiber transmission in down link; Described near-end machine receives by category-5 cable or optical fiber the digital signal transmitting from remote termination in up link, this digital signal is formed by digital medium-frequency signal and WLAN signal or EPON signal combination, and by described digital signal after Base-Band Processing, be reduced into up radiofrequency signal and WLAN signal or EPON signal, described up radiofrequency signal is sent to described base station or base station zoom out system, and described WLAN signal or EPON signal are sent to switch;
Described remote termination receives by category-5 cable or optical fiber the digital signal transmitting from near-end machine in down link, this digital signal is formed by digital medium-frequency signal and WLAN signal or EPON signal combination, and described digital signal is reduced into downlink radio-frequency signal and WLAN signal or EPON signal after Base-Band Processing, described downlink radio-frequency signal covers the area of coverage by retransmitting antenna after amplifying, and described WLAN signal or EPON signal are sent to user side; Described remote termination receives mobile network's upward signal by retransmitting antenna in up link, this upward signal is converted to intermediate-freuqncy signal through duplexer, power amplifier low noise integrated module and lower frequency changer circuit, this intermediate-freuqncy signal is converted to digital signal through ADC analog-to-digital conversion module, and after Base-Band Processing, close road with WLAN signal or EPON signal and deliver to some described near-end machines by category-5 cable or optical fiber transmission.
2. a kind of digital multimedium according to claim 1 transmits the covering system of registering one's residence, and it is characterized in that: described near-end machine comprises dielectric duplexer, up-converter circuit, lower frequency changer circuit, DAC D/A converting circuit, ADC analog to digital conversion circuit, near-end Digital IF Processing unit and optical transceiver; Described dielectric duplexer is connected to optical transceiver and forms down link through lower frequency changer circuit, ADC analog to digital conversion circuit and near-end Digital IF Processing unit; Described optical transceiver is connected to dielectric duplexer through near-end Digital IF Processing unit, DAC D/A converting circuit and up-converter circuit and forms up link.
3. a kind of digital multimedium according to claim 2 transmits the covering system of registering one's residence, and it is characterized in that: described near-end Digital IF Processing unit is connected with remote termination through optical transceiver and by optical fiber; Described near-end Digital IF Processing unit is also connected with remote termination through Ethernet interface and by category-5 cable.
4. a kind of digital multimedium transmission according to claim 2 covering system of registering one's residence, is characterized in that: described near-end Digital IF Processing unit has the function of digital medium-frequency signal and WLAN signal or EPON signal being closed to road shunt.
5. a kind of digital multimedium according to claim 1 transmits the covering system of registering one's residence, and it is characterized in that: described remote termination comprises duplexer, power amplifier low noise integrated module, lower frequency changer circuit, up-converter circuit, ADC analog to digital conversion circuit, DAC D/A converting circuit, remote digital IF processing unit and optical transceiver; Described optical transceiver is connected to duplexer through remote digital IF processing unit, DAC D/A converting circuit, up-converter circuit, power amplifier low noise integrated module and forms down link; Described duplexer is connected to optical transceiver through power amplifier low noise integrated module, lower frequency changer circuit, ADC analog to digital conversion circuit, remote digital IF processing unit and forms up link.
6. a kind of digital multimedium according to claim 5 transmits the covering system of registering one's residence, and it is characterized in that: described remote digital IF processing unit is connected with near-end machine through optical transceiver and by optical fiber; Described remote digital IF processing unit is also connected with near-end machine through Ethernet interface and by category-5 cable.
7. a kind of digital multimedium transmission according to claim 5 covering system of registering one's residence, is characterized in that: described remote digital IF processing unit has the function of digital medium-frequency signal and WLAN signal or EPON signal being closed to road shunt.
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| CN201410326952.2A CN104065413A (en) | 2014-07-10 | 2014-07-10 | Digital multi-medium transmission to-the-home covering system |
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| CN201410326952.2A CN104065413A (en) | 2014-07-10 | 2014-07-10 | Digital multi-medium transmission to-the-home covering system |
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| CN104954071A (en) * | 2015-07-07 | 2015-09-30 | 中邮科通信技术股份有限公司 | LTE (long term evolution)-Advanced full-digital optical fiber relay system and implementation method thereof |
| CN105933066A (en) * | 2016-06-14 | 2016-09-07 | 中邮科通信技术股份有限公司 | Digital optical fiber remote multi-medium transmission household coverage system |
| CN106130851A (en) * | 2016-08-29 | 2016-11-16 | 中邮科通信技术股份有限公司 | A kind of LTE digital two-channel multimedium is registered one's residence covering system |
| WO2016184158A1 (en) * | 2015-10-12 | 2016-11-24 | 中兴通讯股份有限公司 | Indoor distribution system and working method thereof |
| CN107493580A (en) * | 2017-09-20 | 2017-12-19 | 中邮科通信技术股份有限公司 | A kind of LTE digital two-channels fiber optic stretch multimedium is registered one's residence covering system |
| CN107809283A (en) * | 2017-12-13 | 2018-03-16 | 中邮科通信技术股份有限公司 | A kind of multimode fibre based on catv network zooms out register one's residence covering system and method |
| CN111770505A (en) * | 2020-07-08 | 2020-10-13 | 展讯通信（上海）有限公司 | Communication control unit, near-end connection module, far-end covering module and indoor distribution system |
| CN113891339A (en) * | 2020-07-01 | 2022-01-04 | 华为技术有限公司 | Communication system and near-end machine |
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| CN106130851A (en) * | 2016-08-29 | 2016-11-16 | 中邮科通信技术股份有限公司 | A kind of LTE digital two-channel multimedium is registered one's residence covering system |
| CN107493580A (en) * | 2017-09-20 | 2017-12-19 | 中邮科通信技术股份有限公司 | A kind of LTE digital two-channels fiber optic stretch multimedium is registered one's residence covering system |
| CN107809283A (en) * | 2017-12-13 | 2018-03-16 | 中邮科通信技术股份有限公司 | A kind of multimode fibre based on catv network zooms out register one's residence covering system and method |
| CN113891339A (en) * | 2020-07-01 | 2022-01-04 | 华为技术有限公司 | Communication system and near-end machine |
| CN111770505A (en) * | 2020-07-08 | 2020-10-13 | 展讯通信（上海）有限公司 | Communication control unit, near-end connection module, far-end covering module and indoor distribution system |
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Application publication date: 20140924 |
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