WO2021114197A1

WO2021114197A1 - Intelligent indoor distribution system

Info

Publication number: WO2021114197A1
Application number: PCT/CN2019/124977
Authority: WO
Inventors: 宋健; 张振; 周建; 林福强
Original assignee: 广州市瀚云信息技术有限公司
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-06-17

Abstract

Disclosed is an intelligent indoor distribution system, comprising an intelligent monitoring host system, a monitoring combiner, a wireless network information source system, and a passive distribution system integrated with an intelligent probe. The intelligent monitoring host system is connected to the monitoring combiner. The monitoring combiner is connected to the passive distribution system integrated with the intelligent probe. The wireless network information source system is connected to the monitoring combiner. The intelligent indoor distribution system provided in the present invention can realize the monitoring of the passive distribution system integrated with the intelligent probe, analyze the overall system link state condition and make a decision automatically, and has better application prospects.

Description

An intelligent indoor distribution system

Technical field

The invention belongs to the field of wireless communication, and specifically relates to an intelligent indoor distribution system.

Background technique

In the era of 2G, 3G, 4G and public safety mobile communications, as shown in Figure 2, the commonly used indoor wireless coverage method is to use indoor sub-sources and passive indoor sub-systems. The indoor distribution source includes independent 2G, 3G, and 4G and public safety networks or a combination between them, combined through POI (Point Of Interface, multi-system access platform), and input to the passive indoor distribution system, passive room The sub-system achieves seamless signal coverage through power dividers, antennas, etc. This method has the characteristics of wide working frequency band and low cost. As the basic method of indoor coverage, the traditional passive indoor distribution system has become a pain point of network quality due to the large number of passive nodes, complex distribution structure, poor alarm capability, and weak management and maintenance capabilities. Since the passive room sub-network lacks technical means to effectively monitor the passive distribution system of the radio frequency integrated smart probe other than the active equipment, the following problems may be brought about in the construction and operation of the relevant network: affecting the quality of the project construction And progress, affecting the work direction and efficiency of coverage optimization, and the final 100-meter blind spot of supervision seriously affects the efficiency of complaint resolution.

At the same time, the existing passive room sub-system lacks intelligent management methods, resulting in low network design and construction deployment efficiency and error-prone. For example, the existing traditional methods cannot quickly automatically output network topology maps based on actual deployment conditions.

Moreover, with the continuous deployment of 2G, 3G, and 4G networks and power public safety networks, the existing passive indoor sub-systems are large in scale, and the indoor distribution system urgently needs intelligent and efficient visual supervision methods. Therefore, it is necessary to propose an intelligent Indoor distribution system.

Summary of the invention

technical problem

The solution to the problem

Technical solutions

The invention provides an intelligent indoor distribution system, which solves the problems that the existing indoor passive distribution system with integrated intelligent probes cannot be monitored in real time and cannot be automatically deployed.

In order to solve the above technical problems, the present invention adopts the following technical solutions: an intelligent indoor distribution system, an intelligent monitoring host system, a monitoring combiner, a wireless network source system and a passive distribution system integrating intelligent probes, The intelligent monitoring host system is connected with a monitoring combiner, the monitoring combiner is connected with a passive distribution system integrated with an intelligent probe, and the wireless network source system is connected with a monitoring combiner; wherein, the intelligent monitoring host The system is used to generate the detection signal of the passive distribution system with integrated smart probe, receive the response signal of the passive distribution system with integrated smart probe, and monitor the state parameters of the distribution system in the area; monitor the combiner to combine The detection signal of the intelligent monitoring host system and the coverage signal of the wireless network source system are combined to the passive distribution system of the integrated intelligent probe, and the response signal of the passive distribution system of the integrated intelligent probe is transmitted to the intelligent monitoring host system; Passive distribution system integrated with intelligent probes, used to intelligently monitor the detection signal of the host system and the coverage status of the wireless network source system, and generate a response signal to the detection signal of the intelligent monitoring host system;

The wireless network source system is used to generate the coverage signal of the passive distribution system with integrated smart probes, which includes single-channel or multiple-channel wireless communication signals.

Further, the intelligent monitoring host system includes a detection signal generator, a PA amplifying module, a circulator, a response signal receiver and an information processing module.

Further, the detection signal generator generates a detection signal, amplified by the PA amplification module, enters the circulator, enters the monitoring combiner via the radio frequency cable, enters the coupler or power splitter via the radio frequency cable, and then reaches the terminal antenna via the radio frequency cable. Coupled to the smart probe. The smart probe generates the response signal, which is wirelessly coupled to the terminal antenna, enters the power splitter or coupler via the radio frequency cable, enters the monitoring combiner via the radio frequency cable, enters the circulator via the radio frequency cable, and then enters the response signal receiver. The information processing module analyzes the detection signal and the response signal.

Further, the detection signal generated by the detection signal generator has a frequency range of 1MHz---2.7GHz.

Further, the passive distribution system of the integrated smart probe includes a coupler, a power splitter, a terminal antenna and a smart probe.

Further, the smart probe in the passive distribution system with integrated smart probe adopts two transmission modes: RFID and Bluetooth.

Further, the key indicators of the monitoring combiner include: main channel in-band flatness, main channel insertion loss, main channel power capacity, main channel intermodulation suppression, and out-of-band spurs.

Further, the wireless network source system includes private network sources such as 2G indoor source, 3G indoor source, 4G indoor source, 5G indoor source, and public safety.

The beneficial effects of the invention

Beneficial effect

The beneficial effects of the present invention are: the present invention provides an intelligent indoor distribution system, which can monitor the passive distribution system integrated with smart probes, and obtain the insertion loss value of each link from the monitoring combiner to the terminal antenna And the smart probe ID to determine whether the passive distribution system integrated with the smart probe is faulty, such as the terminal antenna is not online or the link insertion loss is too large.

The invention uses intelligent hardware technology to create a new type of room distribution, so that it has the ability to monitor and maintain. It can use the existing room distribution network and only transform the source and terminal antennas. It has low cost, easy monitoring, expandable frequency bands, and more applicable scenarios, including It can be applied to newly built scenes with moderate capacity and business requirements, multiple partitions, complex building structures, and room renovation scenes with existing passive distribution networks.

Through the differentiated requirements of different indoor coverage scenarios and the reality that the passive indoor distribution system is massively stored in the existing network, the intelligent room distribution system can become a cost-effective solution for improving the room distribution system network quality and reducing daily maintenance costs.

Brief description of the drawings

Description of the drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention, and do not constitute a limitation to the present invention. In the attached picture:

Figure 1 is a schematic structural diagram of an intelligent indoor distribution system of the present invention;

Figure 2 is a schematic diagram of the structure of a traditional indoor distribution system.

In the attached drawing: 1-Intelligent monitoring host system, 2-Monitoring combiner, 3-Passive distribution system with integrated intelligent probe, 4-Wireless network source system, 11-room sub-source, 12-passive room Sub-system, 13-TD-L RRU, 14-TD-S RRU, 15-GSM RRU, 16-POI combiner, 17-first power divider, 18-coupler, 19-second power divider, 20 -The third power divider, 21-the fourth power divider.

Invention embodiment

Embodiments of the present invention

In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and do not limit the present invention.

The present invention will be further explained below in conjunction with specific embodiments. These examples are only used to illustrate the present invention and not to limit the scope of the present invention. In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "installed", "equipped", and "connected" should be understood in a broad sense. For example, it can be a fixed connection or an optional connection. Detachable connection, or integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above-mentioned terms in the present invention can be understood in specific situations.

1 and 2, the embodiment provides an intelligent indoor distribution system, an intelligent monitoring host system, a monitoring combiner, a wireless network source system, and a passive distribution system integrating intelligent probes. The intelligent monitoring host system is connected with the monitoring combiner, the monitoring combiner is connected with the passive distribution system integrated with the intelligent probe, and the wireless network source system is connected with the monitoring combiner; wherein, the intelligent monitoring host system, It is used to generate the detection signal of the passive distribution system of the integrated smart probe, receive the response signal of the passive distribution system of the integrated smart probe, monitor the state parameters of the distribution system in the area; and collect, store, and store the information collection data. Identification, demodulation and processing functions.

The monitoring combiner is used to combine the detection signal of the intelligent monitoring host system and the coverage signal of the wireless network source system to the passive distribution system integrated with the intelligent probe, and at the same time, the response of the passive distribution system integrated with the intelligent probe The signal is transmitted to the intelligent monitoring host system.

The passive distribution system with integrated smart probe is used to receive the signal generated by the smart monitoring host system and send it back to the smart monitoring host system; the smart probe in the passive distribution system with integrated smart probe uses RFID and Two Bluetooth transmission methods are convenient for probe coding and signal detection, transmission and connection. At the same time, RFID tags are used. Each probe has a unique electronic code for collecting port data and port positioning. In this embodiment, the smart probe has two implementation methods, one is an external probe, and the other is a probe antenna. The external probe is a passive distribution directly attached to the existing integrated smart probe. The outer cover of the system’s antenna provides a response signal for the detected radio frequency link and provides it to the intelligent monitoring host system; the probe antenna directly replaces the existing antenna of the passive distribution system with integrated smart probes to provide the detected radio frequency link The response signal is provided to the intelligent monitoring host system.

The wireless network source system is used to provide source signals to passive distributed systems with integrated smart probes, including multiple mobile signals. Generally, BBU+RUU is used to provide sources, and smallcells, integrated micro-stations, etc. are also used. Sources are provided in a wireless network source system including: 2G indoor sub-source, 3G indoor sub-source, 4G indoor sub-source, 5G indoor sub-source and POI combiner. In the specific implementation, BOU is generally plug-in board. On the basis of the original 2G BBU, 3G, 4G, and 5G source signals are added through plug-in boards. If the system capacity needs to be expanded, only the corresponding boards need to be added. Card can be achieved. POI combiner, used to combine and output the multi-channel mobile signal of the wireless network source system, and branch and output the received uplink signal to the monitoring combiner, providing isolation and splitting and combining between the multi-channel mobile signal system; POI The main function of the combiner is to provide isolation and splitting and combining between different systems, to solve the transmission interference between the systems and prevent the blockage introduced by the receiving path, and to effectively improve the transmission intermodulation index of the source. The POI combiner uses frequency bands to combine The circuit and bridge combiner combines and splits the connected 2G, 3G, 4G and 5G signals, and introduces the split signals into the passive distribution system with integrated intelligent probes, so as to make full use of resources and save The purpose of the investment.

The detection signal generator generates the detection signal, which is amplified by the PA amplifier module, enters the circulator, enters the monitoring combiner via the radio frequency cable, enters the coupler or power splitter via the radio frequency cable, passes to the terminal antenna via the radio frequency cable, and is wirelessly coupled to the smart Probe: The smart probe generates a response signal, which is wirelessly coupled to the terminal antenna, enters the power splitter or coupler via the RF cable, enters the monitoring combiner via the RF cable, enters the circulator via the RF cable, and then enters the response signal receiver , The information processing module analyzes the detection signal and the response signal. The invention provides an intelligent indoor distribution system, which can realize the monitoring of the passive distribution system integrated with intelligent probes, analyze the link status of the entire system, and automatically make decisions, and has a good application prospect. The invention uses intelligent hardware technology to create a new type of room distribution, so that it has the ability to monitor and maintain. It can use the existing room distribution network and only transform the source and terminal antennas. It has low cost, easy monitoring, expandable frequency bands, and more applicable scenarios, including It can be applied to newly built scenes with moderate capacity and business requirements, multiple partitions, complex building structures, and room renovation scenes with existing passive distribution networks. Through the differentiated requirements of different indoor coverage scenarios and the reality that the passive indoor distribution system is massively stored in the existing network, the intelligent room distribution system can become a cost-effective solution for improving the room distribution system network quality and reducing daily maintenance costs.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still compare the foregoing embodiments. The recorded technical solutions are modified, or some of the technical features are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

An intelligent indoor distribution system, which is characterized in that it includes an intelligent monitoring host system, a monitoring combiner, a wireless network source system, and a passive distribution system integrating intelligent probes. The intelligent monitoring host system is combined with the monitoring The monitoring combiner is connected with the passive distribution system of the integrated intelligent probe, and the wireless network source system is connected with the monitoring combiner; the intelligent monitoring host system is used to generate the passive distribution system of the integrated intelligent probe. The detection signal of the distribution system receives the response signal of the passive distribution system integrated with the smart probe, and judges whether the passive distribution system with the integrated smart probe is faulty; the monitoring combiner is used to combine the detection signal of the intelligent monitoring host system with The coverage signal of the wireless network source system is combined to the passive distribution system with integrated smart probes, and the response signal of the passive distribution system with integrated smart probes is transmitted to the intelligent monitoring host system; the passive distribution with integrated smart probes The system is used to receive the detection signal of the intelligent monitoring host system and the coverage signal of the wireless network source system, and generate a response signal according to the detection signal of the intelligent monitoring host system; the wireless network source system is used to generate the wireless network of the integrated intelligent probe The coverage signal of the source distribution system.
The intelligent indoor distribution system according to claim 1, wherein the intelligent monitoring host system includes a detection signal generator, a PA amplification module, a circulator, a response signal receiver, and an information processing module. The information processing module is connected to the detection signal generator and the response signal receiver through UART, the detection signal generator is connected to the PA amplifying module through a radio frequency cable, the PA amplifying module is connected to the circulator through a radio frequency cable, and the response signal is received The detector is connected with the circulator through the radio frequency cable; the detection signal generator is used to generate the detection signal of the passive distribution system with integrated smart probe; the PA amplifying module is used to amplify the detection signal power of the passive distribution system with integrated smart probe ; Circulator, used to output the detection signal of the passive distribution system integrated with the intelligent probe to the radio frequency port of the intelligent monitoring host system, and at the same time the response signal of the passive distribution system with the integrated intelligent probe from the radio frequency of the intelligent monitoring host system The port is transmitted to the response signal receiver; the response signal receiver is used to receive the response signal of the passive distribution system integrated with the smart probe and output the response signal of the passive distribution system integrated with the smart probe to the information processing module; information processing The module is used to monitor and manage the detection signal and response signal, control the frequency, power and information of the detection signal, analyze the power and response information of the response signal, and obtain the insertion loss value of each link from the monitoring combiner to the terminal antenna And the smart probe ID to determine whether the passive distribution system integrated with the smart probe is faulty, such as the terminal antenna is not online or the link insertion loss is too large.
The intelligent indoor distribution system according to claim 1, wherein the monitoring combiner is connected to the intelligent monitoring host system, the indoor distribution system integrated with the intelligent probe, and the wireless network source system through the radio frequency cable. connection.
The intelligent indoor distribution system according to claim 1, wherein the passive distribution system of the integrated smart probe includes a coupler, a power splitter, a terminal antenna, and a smart probe; the coupler The through port of the coupler is connected to the monitoring combiner through a radio frequency cable, the coupling port of the coupler is connected to a terminal antenna through the radio frequency cable, and the coupling port of the coupler is also connected to the common port of the power splitter through the radio frequency cable. The split port of the power splitter is also connected to a terminal antenna through a radio frequency cable. The power splitter is connected to at least one terminal antenna. The terminal antenna is equipped with an intelligent detector that generates a response signal based on the detection signal of the intelligent monitoring host system. needle.
An intelligent indoor distribution system according to claim 1, wherein the wireless network source system includes, but is not limited to, a public safety wireless source system.
The intelligent indoor distribution system according to claim 1, characterized in that: the wireless network source system includes, but is not limited to, a civilian cellular network source system, including 2G indoor sub-sources, 3G indoor sub-sources Source, 4G room sub-source, 5G room sub-source and POI combiner; POI combiner, used to combine 2G room sub-source, 3G room sub-source, 4G room sub-source and 5G room sub-source The combined mobile signal is output to the radio frequency port of the wireless network source system to provide isolation and combination between multiple mobile signal systems.