CN108306758B - Method for realizing access to internal network and external network of indoor distributed antenna system - Google Patents

Method for realizing access to internal network and external network of indoor distributed antenna system Download PDF

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CN108306758B
CN108306758B CN201711433118.3A CN201711433118A CN108306758B CN 108306758 B CN108306758 B CN 108306758B CN 201711433118 A CN201711433118 A CN 201711433118A CN 108306758 B CN108306758 B CN 108306758B
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unit
antenna system
distributed antenna
indoor distributed
address
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CN108306758A (en
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徐亚雪
凌邦祥
余王亮
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Sunwave Communications Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/50—Address allocation
    • H04L61/5007—Internet protocol [IP] addresses
    • H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/75—Indicating network or usage conditions on the user display

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Small-Scale Networks (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The invention provides a method for realizing internal and external network access of an indoor distributed antenna system, wherein the indoor distributed antenna system consists of an AU (access unit), an EU (extension unit), an RU (micro-power remote unit) and an application software unit thereof, and is used for realizing the internal and external network access of the indoor distributed antenna system. When the PC is connected with the AU (access unit), the PC can access any WEB interface of EU (extended unit) and RU (micro-power remote unit) in the system, so that the PC can monitor the indoor distributed antenna system and can be connected with other external networks, and one-network multi-purpose of the PC is realized.

Description

Method for realizing access to internal network and external network of indoor distributed antenna system
Technical Field
The invention relates to the technical field of embedded equipment WEB interface application and management, in particular to a method for realizing internal and external network access of an indoor distributed antenna system.
Background
The WEB interface is a cross-platform distributed graphical information system based on a hypertext transfer protocol (HTTP) and dynamic interaction. The network service is built on the Internet, and provides a graphical visual interface for a browser to search and browse information on the Internet.
The traditional Web database system generally realizes connection and application of the Web database system by adopting two methods, one is to provide middleware at a Web server end to connect a Web server and a database server, and the other is to download an application program to a client end and directly access the database at the client end. The middleware is responsible for managing communication between the Web server and the database server and providing application services, and it can directly call an external program or script code to access the database, thus providing a dynamic HTML page related to the database or executing a user query and formatting the query result into an HTML page. And returning to the Web browser through the Web server. The most basic middleware technologies are the common gateway interface CGI and the application program interface API.
The indoor distributed antenna system develops an embedded WEB interface applied to indoor distributed antenna system equipment by utilizing an embedded WEB Server, an AJAX asynchronous transmission technology and a CGI technology. And inputting the IP address of the equipment in an address bar of the IE browser, and displaying the WEB interface of the equipment and the topology information of the whole indoor distributed antenna system.
At present, the application of WEB interfaces realized in embedded devices is more, but the WEB interfaces are basically used for single-machine connection, when a plurality of devices exist in a system, other devices cannot be accessed through one device, the use is not flexible enough, and when the number of the devices in the system is increased, the mode of only single-machine connection is low in efficiency. The invention realizes the method for flexibly switching the internal network and the external network of the WEB interface between different devices in the indoor distributed antenna system.
Disclosure of Invention
The invention aims to 1) solve the limitation of a WEB interface single machine access mode in the current indoor distributed antenna system and 2) realize one-network multi-purpose of a PC, and not only can monitor the indoor distributed antenna system through the WEB interface, but also can access other external networks.
The invention provides a method for realizing the access of an internal network and an external network of an indoor distributed antenna system, and the access mode of the internal network provides convenience for production, maintenance and the like; the external network access mode meets the requirement that a user can access other external networks and monitor indoor distributed antenna system equipment by using one computer without any special configuration.
When the PC is connected with EU (extended unit) and RU (micro-power remote unit) of one indoor distributed antenna system in the system, the equipment can automatically allocate IP addresses and default gateways to the PC through a DHCP protocol, so that the PC and the equipment are in the same intranet. Through the mode, the PC can access the WEB interface of any equipment in the indoor distributed antenna system, and the limitation of the current WEB interface single machine mode is solved.
The access of the external network, the AU (access unit) of the indoor distributed antenna system can be connected to the public network, the PC can be directly connected with the AU (access unit) through the network cable, and when the AU and the PC are in different network segments, the PC can be connected with a router or a three-layer switch. When the PC is connected with the AU (access unit), the PC can access the WEB interface of any EU (extended unit) and RU (micro-power remote unit) in the system, so that the PC can monitor an indoor distributed antenna system and can be connected with other external networks, and one-network multi-purpose of the PC is realized.
Drawings
Fig. 1 illustrates an indoor distributed antenna system networking method.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 shows a networking manner of an indoor distributed antenna system, which is composed of an AU (Access Unit), an EU (Extended Unit), an RU (Remote Unit) and an application software Unit thereof. The devices are connected by optical fibers, an Ethernet function is realized by the FPGA to form a closed intranet network, and unique IP rules are adopted among the intranets to ensure that the intranet devices are in the same network segment. Each EU (extended unit) and RU (micro-power remote unit) is also provided with an independent local network port for connecting a PC (personal computer) and realizing functions of local debugging, maintenance and the like. The whole indoor distributed antenna system realizes the connection between the system and the public network through an AU (access unit) to an external Ethernet port and an IP address, so that the system can be used for external network access.
To realize the intranet and extranet access method of the invention, firstly, the indoor distributed antenna equipment needs to deploy intranet and local IP addresses, and the specific steps comprise:
step 1, AU (access unit) broadcasts the first two bytes of external IP address to EU (extension unit) and RU (micro-power remote unit);
step 2, EU (extension unit) and RU (micro-power remote unit) acquire the first two bytes of IP broadcasted by AU (access unit), and keep the 1 st byte +1 and the 2 nd byte unchanged as the first two bytes of network IP in the indoor distributed antenna system equipment;
step 3, according to the position of the indoor distributed antenna system equipment in networking (called routing address in the invention), obtaining the last two bytes of the intranet IP of the indoor distributed antenna system equipment through a routing address conversion rule;
step 4, obtaining the intranet IP address of the indoor distributed antenna system according to the steps 2 and 3;
for example, if the external IP address of AU (access unit) in fig. 1 is 10.7.3.200, the first two bytes of the IP address of RU1 (micro-power remote unit 1) in the figure are 11.7, and the position of RU1 (micro-power remote unit 1) in the networking is the first level of EU (extension unit) optical port 1, which is below AU (access unit) optical port 6, so the routing address of RU1 (micro-power remote unit 1) is 6010, because the last byte of the IP address cannot be 0, the last bit of the routing address is added with 1, and thus the two bytes after IP 60.11 are formed two by two, so the internal IP address of RU1 (micro-power remote unit 1) is 11.7.60.11. The routing address of EU6 (expansion unit 6) is 6000, and two of them form the last two bytes of IP 60.01, so the intranet IP of EU6 is 11.7.60.1. And the intranet IP addresses of other equipment are analogized.
Step 5, fixedly configuring the subnet mask of the intranet section of the indoor distributed antenna system equipment to be 255.255.0.0;
and 6, setting the IP address of the local network port according to the following rules.
The 1 st byte is calculated by the 1 st byte +2 of the external IP address of the AU (access unit), the 2 nd byte is consistent with the 2 nd byte of the external IP address of the AU (access unit), and the latter two bytes are both 1. For example, if the external IP address of AU (access unit) is 10.7.3.200, then the local port IP address of all EU (extension unit), RU (micro power remote unit) is 12.7.1.1.
The system presents all the devices on the WEB interface through the topological graph, and can jump to the WEB interface corresponding to the device by clicking any device icon on the topology, so that the access to the device is realized. The invention realizes two access modes of an internal network and an external network, and the PC can be connected with any one of EU (extended unit) and RU (micro-power remote unit) to realize internal network access, and can also access the EU (extended unit) and the RU (micro-power remote unit) through the external network by connecting AU (access unit).
1. Intranet access
The intranet accesses a PC connected to EU (extended unit) or RU (remote micro power unit) by a network cable, such as PC1 shown in fig. 1. When the PC1 is directly connected to the RU1 (micro-power remote unit 1) through a network cable, the IP address of the local network port of the RU1 (micro-power remote unit 1) is input in the address bar of the browser of the PC, then the WEB interface of the RU1 (micro-power remote unit 1) is displayed, the device is accessed by clicking any device icon on the topology map of the WEB interface, and at this time, the intranet IP of the device is automatically input in the address bar of the IE browser. Taking AU (access unit) external IP 10.7.3.200 as an example, clicking EU6 icon through RU1 (micro-power remote unit 1) topology map in FIG. 1 will automatically input http://11.7.60.1 in IE browser address column, and access the WEB interface of EU through this URL. The concrete implementation steps comprise:
step 1, configuring the intranet and local port IP addresses of the equipment according to the deployment strategy of the intranet and local IP addresses;
step 2, a DHCP server is set up in the equipment, and DHCP service is started by software;
once the PC is connected with the equipment through the local network port, the equipment automatically allocates the IP address of the same network segment for the PC, and sets the default gateway of the PC as the local IP of the equipment.
Step 3, realizing a routing function in the equipment in a Shell script mode, and automatically running the script when the system is started;
step 4, forming a system topological graph through the application software unit and displaying the system topological graph on a WEB interface, wherein each device on the topological graph comprises information such as a route, an intranet IP address, a device identification code and the like;
and 5, clicking a device icon on the topology, automatically inputting the intranet IP of the device into an address bar of an IE browser of the PC by the current WEB interface process, and jumping to the WEB interface of the device to realize intranet access.
2. Extranet access
The external network access, AU (access unit) can be connected to public network, and the PC machine and AU (access unit) equipment can be connected by network cable, if they are in different network segments, a router or three-layer switch, such as PC2 shown in figure 1, can be added in the middle. RJ45 of AU (access unit) is the only network port of indoor distributed antenna system to outer network, the external IP address of AU (access unit) can be self-configured by user through WEB interface of AU (access unit), as long as PC can access AU (access unit), WEB interface of any equipment in system can be accessed through AU (access unit), thus realizing the purpose that outer network can access equipment in inner network. When the PC is connected with the indoor distributed antenna system through the AU (access unit), the PC can access any equipment in the indoor distributed antenna system and can be connected with other external networks, and the problem that the PC cannot be connected with other external networks after being connected with the indoor distributed antenna system is solved. The concrete implementation steps comprise:
step 1, configuring the intranet and local port IP addresses of the equipment according to the deployment strategy of the intranet and local IP addresses;
step 2, forming a system topological graph through equipment software and displaying the system topological graph on a WEB interface, wherein each piece of equipment on the topological graph comprises information such as a route, an intranet IP address and an equipment identification code;
step 3, clicking EU (extended unit) icons and RU (micro-power remote unit) icons on a topological graph of an AU (access unit) WEB interface, forming URLs by a WEB interface process through external IP addresses of the AU (access unit), the EU (extended unit), RU (micro-power remote unit) internal network IP addresses and other information, and automatically inputting the URLs into an IE browser address bar of the PC;
taking AU external IP 10.7.3.200 and RU1 (micropower remote unit 1) in fig. 1 as an example, when RU1 (micropower remote unit 1) device icon is clicked, URL automatically entered in IE browser address bar of PC2 machine is as follows:
http://10.7.3.200/index.html？date＝1512548763078&IP＝11.7.60.11&auto＝09044E0B030000000000&sID＝00000000&dID＝2
step 4, the URL is received and analyzed by the AU (access unit) WEB interface process? If the parameter part has an IP address and an equipment identification code, the IP address and the equipment identification code are extracted, otherwise, the parameter part is considered to access an AU WEB interface;
step 5, the AU (access unit) WEB interface process finds the corresponding EU (extended unit) WEB interface and RU (micro-power remote unit) WEB interface according to the equipment identification code extracted in the step 4 and displays the interfaces in a browser;
step 6, selecting any one parameter from EU (extension unit) WEB interfaces and RU (micro-power remote unit) WEB interfaces for query setting, and after the data packet is sent to AU (access unit) WEB interface process, the WEB interface process takes the IP address extracted in step 4 as the destination IP of the EU (extension unit) and RU (micro-power remote unit) and forwards the data packet to the IP address;
step 7, EU (extended unit) and RU (micro-power remote unit) receive the data packet to analyze and reply;
and 8, processing the response packets of the EU (extended unit) and the RU (micro-power remote unit) by the WEB interface process of the AU (access unit), and displaying the response result on the WEB interface.
According to the implementation method of the intranet and local IP address deployment strategy and the intranet access and the extranet access, WEB interface access of an indoor distributed antenna system can be achieved, and WEB interface intranet and extranet access can be flexibly and conveniently achieved no matter which equipment is connected with a PC.
It should be understood that equivalent substitutions and changes to the technical solutions and concepts of the present invention by those skilled in the art should be made within the scope of the appended claims.

Claims (3)

1. An indoor distributed antenna system internal and external network access realization method, the indoor distributed antenna system is composed of an access unit AU, an extension unit EU, a micropower remote unit RU and an application software unit thereof, and is characterized in that: deploying an internal network and a local IP address for the indoor distributed antenna system, and the specific steps comprise:
step (1), the access unit AU broadcasts the first two bytes of the external IP address to each expansion unit EU and micro-power remote unit RU;
step (2), the extension unit EU and the micro-power remote unit RU acquire the first two bytes of the IP broadcasted by the access unit AU, and keep the 1 st byte +1 and the 2 nd byte unchanged as the first two bytes of the intranet IP in the indoor distributed antenna system;
step (3), according to the routing address of the indoor distributed antenna system in the networking, the last two bytes of the intranet IP of the indoor distributed antenna system are obtained through a routing address conversion rule;
step (4), obtaining the intranet IP address of the indoor distributed antenna system according to the steps (2) and (3);
step (5), fixedly configuring a subnet mask of an intranet segment of the indoor distributed antenna system to be 255.255.0.0;
and (6) setting the local internet access IP address according to the following rule, wherein the 1 st byte is calculated by the 1 st byte +2 of the external IP address of the access unit AU, the 2 nd byte is consistent with the 2 nd byte of the external IP address of the access unit AU, and the last two bytes are both 1.
2. The method for implementing intranet and intranet access of an indoor distributed antenna system according to claim 1, wherein the method comprises the following steps: when a PC is connected with an extended unit EU and a micropower remote unit RU of one indoor distributed antenna system in the system, the indoor distributed antenna system can automatically distribute an IP address and a default gateway to the PC through a DHCP protocol, so that the PC and the indoor distributed antenna system are in the same intranet; in this way, the PC can access the WEBOMT of any device in the indoor distributed antenna system, the WEBOMT is a WEB interface for accessing the device through a browser, and the specific implementation steps include:
step (1) configuring the intranet and local port IP addresses of the equipment according to the deployment strategy of the intranet and local IP addresses;
step (2), a DHCP server is set up in the indoor distributed antenna system, and an application software unit starts DHCP service;
once the PC is connected with the indoor distributed antenna system through the local network port, the equipment automatically allocates an IP address of the same network segment to the PC, and sets a default gateway of the PC as a local IP of the equipment;
step (3), a routing function is realized in the indoor distributed antenna system by a Shell script mode, and the script is automatically operated when the system is started;
step (4), forming a system topological graph through the application software unit and displaying the system topological graph on a WEB interface, wherein each device on the topological graph comprises information such as a route, an intranet IP address, a device identification code and the like;
and (5) clicking a device icon on the topology, automatically inputting the intranet IP of the device into an address bar of an IE browser of the PC by the current WEB interface process, and jumping to the WEB interface of the indoor distributed antenna system to realize intranet access.
3. The method for implementing intranet and intranet access of an indoor distributed antenna system according to claim 1, wherein the method comprises the following steps: the access unit AU of the indoor distributed antenna system can be connected to a public network, the PC can be directly connected with the access unit AU through a network cable, and when the access unit AU and the PC are in different network segments, the PC can be connected with a router or a three-layer switch, and the specific implementation steps comprise:
step (1), according to the deployment strategy of the intranet and the local IP addresses, the intranet and the local IP addresses of the indoor distributed antenna system are configured;
step (2), forming a system topological graph through an application software unit of the indoor distributed antenna system and displaying the system topological graph on a WEB interface, wherein each indoor distributed antenna system on the topological graph comprises information such as a route, an intranet IP address and an equipment identification code;
clicking icons of the extended unit EU and the micro-power remote unit RU on a topological graph of a WEB interface of the access unit AU, wherein an external IP address of the access unit AU, an internal IP address of the extended unit EU and the micro-power remote unit RU, other information and the like form a URL (uniform resource locator) by a WEB interface process, and automatically inputting the URL into an IE (Internet Explorer) browser address bar of the PC;
step (4), WEB interface process of access unit AU receives URL, parses URL? If the parameter part has an IP address and an indoor distributed antenna system identification code, the IP address and the indoor distributed antenna system identification code are extracted, otherwise, the parameter part is considered to be a WEB interface for accessing the access unit AU;
step (5), the WEB interface process of the access unit AU finds the WEB interfaces of the corresponding extension unit EU and the micro-power remote unit RU according to the indoor distributed antenna system identification code extracted in the step (4) and displays the WEB interfaces in a browser;
step (6), any one parameter is selected from the EU and the RUWEB interfaces of the micro-power remote units for query setting, and after the data packet is sent to the WEB interface process of the access unit AU, the WEB interface process takes the IP address extracted in the step (4) as the target IP of the EU and the RU and forwards the data packet to the IP address;
step (7), the extended unit EU and the micro-power remote unit RU receive the data packet for analysis and reply;
and (8) processing the response packets of the extended unit EU and the micro-power remote unit RU by the WEB interface process of the access unit AU, and displaying the response result on the WEB interface.
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CN111491391B (en) * 2020-04-09 2022-04-01 京信网络系统股份有限公司 Cell scheduling method, electronic device, storage medium and distributed antenna system
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