CN106571931B - Indoor distribution system and working method thereof - Google Patents
Indoor distribution system and working method thereof Download PDFInfo
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- CN106571931B CN106571931B CN201510657374.5A CN201510657374A CN106571931B CN 106571931 B CN106571931 B CN 106571931B CN 201510657374 A CN201510657374 A CN 201510657374A CN 106571931 B CN106571931 B CN 106571931B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
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Abstract
The invention provides an indoor distribution system and a working method thereof, wherein the indoor distribution system comprises: the system comprises base station equipment, baseband processing bridging equipment and micro radio remote equipment; the base station equipment is connected with the baseband processing bridging equipment through an optical fiber, and the micro radio frequency remote equipment is connected with the baseband processing bridging equipment through a network cable. Through the implementation of the invention, the base station equipment is connected with the baseband processing bridge equipment through the optical fiber, and the micro radio frequency remote equipment is connected with the baseband processing bridge equipment through the network cable.
Description
Technical Field
The invention relates to the field of wireless communication, in particular to an indoor distribution system and a working method thereof.
Background
The indoor distribution system is a scheme for improving the mobile communication environment in a building aiming at indoor user groups, and mainly uniformly distributes signals of a mobile base station at each indoor corner so as to ensure that an indoor area has ideal signal coverage.
The current scheme of the main indoor distribution system comprises the following steps: the repeater introduces signals into an indoor coverage blind area based on the condition of surplus capacity of an outdoor macro-station, is suitable for places with concentrated telephone traffic, is a typical passive coverage access mode, requires extra power supply, is inconvenient to install and easy to age, is inconvenient for network management, and brings certain noise to an original base station; the microcell is mainly a supplement and continuation of the macrocell, mainly aims at blind area coverage, has low transmitting power and relatively flexible networking, but is connected with a base station controller of the same manufacturer, belongs to a passive coverage access mode, needs additional power supply for power supply, and is inconvenient to install; meanwhile, neither of the above two methods can increase the network capacity. That is, the current indoor distribution system is mainly applied to the specific system and frequency band of the same manufacturer, belongs to a passive system and needs an additional power supply.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide an indoor distribution system that requires an additional power supply.
Disclosure of Invention
The invention provides an indoor distribution system and a working method thereof, and aims to solve the problem that an additional power supply is needed for supplying power to the existing indoor distribution system.
The invention provides an indoor distribution system, which comprises: the system comprises base station equipment, baseband processing bridging equipment and micro radio remote equipment; the base station equipment is connected with the baseband processing bridging equipment through an optical fiber, and the micro radio frequency remote equipment is connected with the baseband processing bridging equipment through a network cable.
Further, the baseband processing bridge device is a plurality of baseband processing bridge devices, and the plurality of baseband processing bridge devices are cascaded.
Furthermore, the number of the micro radio remote devices is multiple, and the baseband processing bridging device is connected with the multiple micro radio remote devices.
Furthermore, the system also comprises a network manager for managing the operation of the equipment in the indoor subsystem.
Furthermore, the system also comprises a configuration device for configuring the working parameters of the equipment in the indoor subsystem.
The base station equipment is a plurality of base station equipment with different working frequency bands, and is connected with the baseband processing bridging equipment through the switching equipment.
Further, the switching device connects the baseband processing bridging device through the optical fiber.
Further, the base station equipment comprises base station equipment with different information sources, and the base station equipment with different information sources is connected with the switching equipment through the radio frequency feed-in equipment.
Further, the base station equipment of the different manufacturer information sources is a plurality of base station equipment with different working frequency bands.
Further, the base station equipment further comprises radio frequency feed-in equipment, wherein the information source of the base station equipment is an information source of a different manufacturer, and the base station equipment is connected with the baseband processing bridging equipment through the radio frequency feed-in equipment.
The invention provides a working method of an indoor distribution system, which is used for the indoor distribution system provided by the invention and comprises the following steps: the base band processing bridging equipment receives a downlink signal from the base station equipment through an optical fiber and transmits the downlink signal to the micro radio remote equipment through a network cable; the baseband processing bridging device receives the uplink signal of the micro radio remote device through the network cable and sends the uplink signal to the base station device through the optical fiber.
The invention has the beneficial effects that:
the invention provides an indoor distribution system, which comprises base station equipment, baseband processing bridging equipment and micro radio frequency remote equipment, wherein the base station equipment is connected with the baseband processing bridging equipment through an optical fiber; on this basis, little radio frequency equipment of zooming out just can acquire the electric energy from baseband processing bridging equipment through the net twine, and does not need external power supply power, has solved the problem that current room divides the system to need extra mains operated for the deployment of room branch system is more convenient.
Drawings
FIG. 1 is a schematic view of a chamber subsystem according to a first embodiment of the present invention;
FIG. 2 is a flow chart of a method of operating a room distribution system according to a second embodiment of the present invention;
FIG. 3 is a schematic view of a chamber division system according to a third embodiment of the present invention.
Detailed Description
The invention will now be further explained by means of embodiments in conjunction with the accompanying drawings.
The first embodiment:
fig. 1 is a schematic structural diagram of a chamber subsystem according to a first embodiment of the present invention, and it can be seen from fig. 1 that, in this embodiment, the chamber subsystem according to the present invention includes: the base station equipment 1, the baseband processing bridging equipment 2 and the micro radio remote equipment 3; the base station device 1 is connected with the baseband processing bridging device 2 through an optical fiber, and the micro radio frequency remote device 3 is connected with the baseband processing bridging device 2 through a network cable.
In some embodiments, the baseband processing bridge device in the above embodiments is a plurality of baseband processing bridge devices, and the plurality of baseband processing bridge devices are cascaded.
In some embodiments, the number of the micro radio remote devices in the above embodiments is multiple, and the baseband processing bridge device is connected to the multiple micro radio remote devices.
In some embodiments, the indoor subsystem in the above embodiments further comprises a network manager for managing operation of the equipment in the indoor subsystem.
In some embodiments, the indoor subsystem of the above embodiments further comprises a configuration device for configuring operating parameters of equipment in the indoor subsystem.
In some embodiments, the indoor subsystem in the foregoing embodiments further includes a switch device, where the base station device is a plurality of base station devices with different operating frequency bands, and the base station device is connected to the baseband processing bridge device through the switch device.
In some embodiments, the switching devices in the above embodiments connect the baseband processing bridging device via optical fiber.
In some embodiments, the indoor subsystem in the above embodiments further includes a radio frequency feed device, the base station device includes a base station device with different sources, and the base station device with different sources is connected to the switching device through the radio frequency feed device.
In some embodiments, the base station device of the different vendor source in the above embodiments is a plurality of base station devices with different operating frequency bands.
In some embodiments, the indoor subsystem in the foregoing embodiments further includes a radio frequency feed-in device, the signal source of the base station device is a different vendor signal source, and the base station device is connected to the baseband processing bridge device through the radio frequency feed-in device.
Second embodiment:
fig. 2 is a flowchart of a working method of a room distribution system according to a second embodiment of the present invention, and as can be seen from fig. 2, in this embodiment, the working method of a room distribution system according to the present invention is applied to the room distribution system according to the present invention, and includes the following steps:
s201: the base band processing bridging equipment receives a downlink signal from the base station equipment through an optical fiber and transmits the downlink signal to the micro radio remote equipment through a network cable;
s202: the baseband processing bridging device receives the uplink signal of the micro radio remote device through the network cable and sends the uplink signal to the base station device through the optical fiber.
The present invention will now be further explained with reference to specific application scenarios.
The third embodiment:
in this embodiment, the present invention is explained in detail, and as shown in fig. 3, the present invention provides a room distribution system comprising: the base station comprises a plurality of base station devices 1 of different frequency bands of different manufacturers, a plurality of cascaded baseband processing bridging devices 2, a plurality of micro radio remote devices 3, a switching device 4, a radio feed-in device 5, and a network management and configuration device which are not shown. Based on the indoor distribution system, the embodiment is a further supplement to the existing indoor distribution system, and provides a multi-band, multi-pair and multi-pair indoor coverage system which can be flexibly applied to wireless communication systems of self-manufacturers and different manufacturers.
In practical applications, the downlink processing of the signal includes:
the first step is as follows: receiving the signal of the base station equipment 1 through a direct or radio frequency feed-in equipment 5, wherein the signal can be from a manufacturer or from a different manufacturer, and sending the signal to a switching equipment 4 for processing after down-conversion processing;
the second step is that: the switching equipment 4 receives the signals sent by the radio frequency feed-in equipment or the manufacturer base station equipment 1, combines the signals according to the configuration of the background cell, and sends the signals to the baseband processing bridging equipment 2, and the downlink of the switching equipment mainly aims at realizing the combination of the signals of the different manufacturer equipment and the manufacturer base station equipment;
the third step: the baseband processing bridge device 2 receives the signals from the switching device through the optical fiber, selects whether to perform algorithm processing on the signals according to background configuration, and transmits the processed signals to the Small RRU device 3 through a network cable;
the fourth step: the Small RRU device 3 receives the signal sent by the baseband processing bridging device 2, firstly selects whether to perform algorithm processing on the signal according to background configuration, and then sends the signal to the user terminal after up-conversion processing.
Correspondingly, the uplink processing of the signal comprises the following steps:
the first step is as follows: receiving a signal sent by a user terminal through Small RRU equipment 3, firstly performing down-conversion processing on the signal, then selecting whether to perform algorithm processing on the signal according to background configuration, and sending the processed signal to baseband processing bridging equipment 2;
the second step is that: the baseband processing bridge device 2 receives the signal sent by the Small RRU device 3 through the network cable, selects whether to perform algorithm processing on the signal according to background configuration, and sends the processed signal to the switching device 4, and the baseband processing bridge device 2 mainly functions to perform algorithm processing on the signal.
The third step: the switching equipment 4 receives the signals sent by the baseband processing bridging equipment 2, respectively forwards the signals to different radio frequency feed-in equipment 5 and manufacturer base station equipment 1 according to background configuration, and has the main function of completing signal distribution in the uplink of the switching equipment;
the fourth step: the radio frequency feed-in device 5 performs up-conversion processing on the signal sent by the switching device, and sends the signal to the self-manufacturer/different-manufacturer base station device 1 in a wireless transmission manner to complete processing of the signal.
The specific application scenarios are as follows:
downlink processing:
1. assume that there are two sources in a wireless communication system, from vendor a and vendor B,
2. the radio frequency feed-in unit receives signals of different manufacturers B, and the signals are sent to the switching equipment after down-conversion;
3. the switching equipment combines the A signal received from the manufacturer base station equipment and the B signal processed by the radio frequency feed-in equipment into a C signal and sends the C signal to the baseband processing bridging equipment;
4. and the baseband processing bridging equipment splits the signal C into a signal from a manufacturer A and a signal from a different manufacturer B according to background configuration. According to background configuration, supposing that a signal of a self-manufacturer A is split into 8 paths which are respectively compressed and then sent to 8 Small RRUs through a network cable, a signal of a different manufacturer B is also split into 8 paths which are then sent to 8 Small RRUs, and finally, baseband processing bridging equipment combines the signals of the self-manufacturer and the different manufacturer into D which is sent to the Small RRUs through the network cable;
5. the Small RRU splits a signal D sent by the baseband processing bridging equipment into a signal from a manufacturer A and a signal from a different manufacturer B, and the signal from the manufacturer A is decompressed and subjected to up-conversion processing and then is sent to a user terminal through an antenna; carrying out up-conversion processing on the signal of the different manufacturer B and then sending the signal to a user terminal through an antenna;
and (3) uplink processing:
1. it is assumed that there are two user signals, self-vendor a and foreign vendor b,
2. the Small RRU receives signals from a manufacturer a and a different manufacturer b, respectively performs down-conversion processing, compresses the signals from the manufacturer a, combines the signals with the signals from the different manufacturer b into a c signal, and sends the c signal to the baseband processing bridging equipment through a network cable;
3. the baseband processing bridging device splits the received c signal into a self-manufacturer a signal and a non-manufacturer b signal. According to background configuration, after the manufacturer a signal is decompressed, the decompressed signal is combined with signals sent by other uplink Small-area RRU devices and a next stage baseband processing bridging device to generate an a signal, a different manufacturer b signal is combined with signals sent by other uplink Small-area RRU devices and the next stage baseband processing bridging device to generate a b signal, and the generated b signal baseband processing bridging device combines the manufacturer a signal and the b signal into a d signal and sends the d signal to the switching device;
4. and the switching equipment splits the d signal into a self-manufacturer a signal and a non-manufacturer b signal according to the background configuration. The signal of the manufacturer a is sent to the base station equipment of the manufacturer for processing, and the signal of the different manufacturer b is sent to the radio frequency feed-in equipment for processing;
5. and the radio frequency feed-in equipment performs up-conversion processing on the received b signal and then sends the b signal to the base station equipment of the different manufacturers, thereby completing the uplink transmission process of the signal.
The multi-band indoor distribution system provided by the invention belongs to a brand-new architecture, and can process self-manufacturer and different-manufacturer information sources, so that the technical barrier of manufacturers is broken; small RRU has Small power, Small volume and light weight, only needs network cables and does not need extra power supply, and the installation is convenient, so that the cost is greatly reduced; flexible networking and configurable data processing are realized, the cell coverage capability is enhanced, and bandwidth resources are saved;
in summary, the implementation of the present invention has at least the following advantages:
the invention provides an indoor distribution system, which comprises base station equipment, baseband processing bridging equipment and micro radio frequency remote equipment, wherein the base station equipment is connected with the baseband processing bridging equipment through an optical fiber; on the basis, the micro radio remote unit can obtain electric energy from the baseband processing bridging unit through the network cable without being powered by an external power supply, so that the problem that the existing indoor distribution system needs additional power supply is solved;
furthermore, in the aspect of signal source access, a multi-band mode is adopted, so that the self-manufacturer and the different manufacturers can be supported, two information sources can coexist, and the existing research only supports the information source of the self-manufacturer;
further, the use cost and the convenience are as follows: small RRU has Small power, Small volume and light weight, and is connected with the baseband processing bridging device through a network cable, and only the network cable is needed without additional power supply, so that the installation is convenient, the cost is greatly reduced, and the prior patent does not have the invention; in addition, the whole system can accurately know the on-off state of the equipment through network management control, and is beneficial to maintenance;
furthermore, in the aspect of system networking, a plurality of radio frequency feed-in devices receive signals of different frequency bands, many-to-many is realized, baseband processing bridging devices can be cascaded, cell coverage and zoom-out are enhanced to a greater extent, and cost is reduced;
furthermore, in the aspect of data processing, a background configurable mode is adopted, one-to-many downlink can be realized through an algorithm, the coverage capability of a cell is enhanced, one-to-many uplink can reduce the bandwidth and the cost, and in addition, the algorithm can also ensure that the link transmission capability of the system is enhanced on the basis of limited bandwidth.
The above embodiments are only examples of the present invention, and are not intended to limit the present invention in any way, and any simple modification, equivalent change, combination or modification made by the technical essence of the present invention to the above embodiments still fall within the protection scope of the technical solution of the present invention.
Claims (10)
1. An indoor subsystem, comprising: the system comprises base station equipment, baseband processing bridging equipment and micro radio remote equipment; the base station equipment is connected with the baseband processing bridging equipment through an optical fiber, the micro radio frequency remote equipment is connected with the baseband processing bridging equipment through a network cable, the baseband processing bridging equipment is a plurality of baseband processing bridging equipment, and the plurality of baseband processing bridging equipment are cascaded;
the baseband processing bridging device is used for judging whether to perform algorithm processing on a downlink signal from the base station device according to background configuration, and if so, compressing the downlink signal of the base station device and then sending the compressed downlink signal to the micro radio remote unit;
the micro radio remote unit is used for judging whether to perform algorithm processing on a downlink signal from the baseband processing bridging unit according to background configuration, and if so, decompressing and up-converting the downlink signal of the baseband processing bridging unit and then sending the downlink signal to a user terminal;
the micro radio frequency remote equipment is also used for judging whether to perform algorithm processing on the signals according to background configuration after performing down-conversion processing on the uplink signals from the user terminal, and if so, compressing the uplink signals of the user terminal and then sending the compressed uplink signals to the baseband processing bridging equipment;
the baseband processing bridge device is further configured to determine whether to perform algorithm processing on an uplink signal from the micro radio remote unit according to the background configuration, and if so, decompress the uplink signal of the micro radio remote unit and send the decompressed uplink signal to the base station device.
2. The indoor subsystem recited in claim 1, wherein said plurality of microradio-frequency remote devices are provided, and said baseband processing bridge device is connected to said plurality of microradio-frequency remote devices.
3. The indoor subsystem of claim 1, further comprising a network manager for managing operation of equipment within the indoor subsystem.
4. The indoor subsystem of claim 1, further comprising configuration means for configuring operating parameters of equipment within said indoor subsystem.
5. The indoor subsystem as claimed in any one of claims 1 to 4, further comprising a switch device, wherein said base station device is a plurality of base station devices with different operating frequency bands, and said baseband processing bridge device is connected to said switch device.
6. The indoor subsystem of claim 5, wherein said switching device connects said baseband processing bridge device via optical fiber.
7. The indoor subsystem as claimed in claim 5, further comprising an rf feed device, wherein said base station device comprises a base station device with different source, and a base station device with a different vendor source is connected to said switching device through said rf feed device.
8. The indoor subsystem as claimed in claim 7, wherein said base station equipment of the different vendor source is a plurality of base station equipment of different operating frequency bands.
9. The room subsystem of any one of claims 1 to 4 further comprising an RF feed-in device, wherein the source of the base station device is a foreign vendor source, and the base station device is connected to the baseband processing bridge device through the RF feed-in device.
10. A method of operating an indoor subsystem, the method being used in an indoor subsystem as claimed in any one of claims 1 to 9, the method comprising:
the base band processing bridging device receives a downlink signal from the base station device through an optical fiber, judges whether to perform algorithm processing on the signal according to background configuration, and transmits the downlink signal of the base station device to the micro radio remote unit through a network cable after compressing the downlink signal if the signal is processed; the micro radio remote unit judges whether to perform algorithm processing on the downlink signal from the baseband processing bridging unit according to background configuration, and if so, decompresses and up-converts the downlink signal of the baseband processing bridging unit and then sends the processed downlink signal to a user terminal;
after down-conversion processing is carried out on an uplink signal from a user terminal by the micro radio remote unit, whether algorithm processing is carried out on the signal is judged according to background configuration, if so, the uplink signal of the user terminal is compressed and then sent to the baseband processing bridging unit; the baseband processing bridge device receives an uplink signal of the micro radio remote device through a network cable, judges whether to perform algorithm processing on the signal according to background configuration, and transmits the decompressed uplink signal of the micro radio remote device to the base station device through an optical fiber if the decompressed uplink signal is received.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510657374.5A CN106571931B (en) | 2015-10-12 | 2015-10-12 | Indoor distribution system and working method thereof |
| PCT/CN2016/072036 WO2016184158A1 (en) | 2015-10-12 | 2016-01-25 | Indoor distribution system and working method thereof |
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| CN201510657374.5A CN106571931B (en) | 2015-10-12 | 2015-10-12 | Indoor distribution system and working method thereof |
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| CN106571931A CN106571931A (en) | 2017-04-19 |
| CN106571931B true CN106571931B (en) | 2020-12-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106776690A (en) * | 2016-11-10 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | A kind of network element loses even alert processing method and system |
| CN110875777B (en) * | 2018-08-31 | 2023-04-25 | 普罗斯通信技术（苏州）有限公司 | Multi-frequency multi-system distributed access system |
| CN112839386B (en) * | 2019-11-22 | 2024-08-16 | 中兴通讯股份有限公司 | Wireless transmission access method and system based on LAA |
| CN115035642B (en) * | 2021-03-03 | 2024-05-03 | 深圳市万普拉斯科技有限公司 | Radio frequency parameter compatible method, electronic equipment and readable storage medium |
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| CN1819676A (en) * | 2005-03-11 | 2006-08-16 | 华为技术有限公司 | Indoor base station system |
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| CN104065413A (en) * | 2014-07-10 | 2014-09-24 | 中邮科通信技术股份有限公司 | Digital multi-medium transmission to-the-home covering system |
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- 2015-10-12 CN CN201510657374.5A patent/CN106571931B/en active Active
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- 2016-01-25 WO PCT/CN2016/072036 patent/WO2016184158A1/en active Application Filing
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| CN1819676A (en) * | 2005-03-11 | 2006-08-16 | 华为技术有限公司 | Indoor base station system |
| CN101217715A (en) * | 2005-03-11 | 2008-07-09 | 华为技术有限公司 | Indoor base station system |
| CN101242435A (en) * | 2006-02-22 | 2008-08-13 | 华为技术有限公司 | Interface device for connecting master base station and RRU |
| CN102186265A (en) * | 2011-05-04 | 2011-09-14 | 京信通信系统（中国）有限公司 | Distributed base station and networking method thereof |
| CN104065413A (en) * | 2014-07-10 | 2014-09-24 | 中邮科通信技术股份有限公司 | Digital multi-medium transmission to-the-home covering system |
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| WO2016184158A1 (en) | 2016-11-24 |
| CN106571931A (en) | 2017-04-19 |
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