CN109495361B - Multi-medium converged wireless resource management network cooperative communication method - Google Patents
Multi-medium converged wireless resource management network cooperative communication method Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
- H04W84/22—Self-organising networks, e.g. ad-hoc networks or sensor networks with access to wired networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
- H04L12/2881—IP/Ethernet DSLAM
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
- H04L12/2869—Operational details of access network equipments
- H04L12/2878—Access multiplexer, e.g. DSLAM
- H04L12/2879—Access multiplexer, e.g. DSLAM characterised by the network type on the uplink side, i.e. towards the service provider network
- H04L12/2885—Arrangements interfacing with optical systems
Abstract
A multi-medium converged wireless resource management network cooperative communication method is used for carrying out combined access control and resource scheduling on network equipment with different characteristics in a heterogeneous network, the multi-medium converged wireless communication method for accessing the network realizes maximization of resource utilization rate of the heterogeneous network in a Mesh form, and a Mesh Pipe classification design method is mainly embodied in that power control and adaptive modulation and demodulation control are implemented according to QoS requirements of an MAC protocol, a routing protocol, a TCP protocol and application layer services. By integrally considering the multi-medium fusion network comprising a wired network, a wireless network, a broadband network, a narrowband network and the like, the wireless resources of the access network are optimized, the difficulty of managing the cooperative wireless resources of the multi-medium fusion network is solved, the access control and resource scheduling which are combined are carried out on the access networks with different characteristics in the heterogeneous network, and the maximization of the resource utilization rate of the heterogeneous network is realized on the basis of meeting the service requirement.
Description
Technical Field
The invention relates to IPC classification G06F electric digital data processing or H04W wireless communication network technology, belongs to the technical field of communication, and particularly relates to a cooperative communication method of a multi-medium fusion wireless resource management network.
Background
The wireless network technology is developed rapidly, not only the network coverage, network capacity, transmission rate, service quality and other aspects are remarkably improved, but also the development trend of diversified access modes, high-speed data transmission, universal mobility and full IP fusion is presented.
The related art has less disclosure.
Chinese patent application 201711448784.4, filed by marine future broadband technology ltd, provides a communication device convergence management method, a storage medium, and a communication device including C-HPAV2.0, HINOC2.0, etc., the method including: the application layer distribution aggregation module analyzes the request information through the pre-association information by the related management driver, and then sends the request information to the outside through the bottom layer processing module or the bottom layer distribution aggregation module analyzes the received frame information through the pre-association information by the related management driver and then aggregates the frame information through the application layer module for presentation. The invention can realize the hybrid networking compatible management of new and old equipment on the basis of the existing network, and improve the flexibility of system resource allocation and network architecture.
A chinese patent application 201711158565.2 filed by the beijing post and telecommunications university provides a link adaptation method, an apparatus, an electronic device and a storage medium for a heterogeneous multi-communication link converged network, and belongs to the technical field of communication. The method comprises the steps of obtaining position information of a master communication device and a plurality of slave communication devices, calculating the transmission rate of each link according to the position information of the master communication device and the plurality of slave communication devices and a preset link transmission rate algorithm, calculating the average link utilization rate of each link according to the transmission rate of each link and the preset average link utilization rate algorithm, determining a target link set according to the calculated average link utilization rate of each link and the preset total number of target links, and finally performing data transmission according to the target link set. The method provided by the invention can improve the communication efficiency in a mobile scene, reduce the transmission delay and enhance the performance of a communication network.
Although new and richer radio access and networking technologies are emerging, the wireless communication method and apparatus in the prior art still have the following drawbacks:
first, the existing wireless communication methods ignore the overall requirements of network design and the dependencies between the functions of the layers, each layer of the protocol stack is designed and operated independently, and only there are static interfaces between layers that are independent of the limitations and applications of the network layers. The strict layered design method lacks flexibility and compatibility, and cannot well adapt to the characteristics of the existing network. In the actual network communication process, information between layers is difficult to share, and a large amount of link overhead, information redundancy and communication overhead between peer layers which are difficult to control are increased.
Secondly, wireless communication is different from wired communication, a wireless signal transmission medium has uncertainty and is easily affected by unpredictable effects such as noise, multipath fading and shadowing effect, and the inherent mobility of the wireless signal transmission medium brings great difficulty to channel prediction and channel estimation, so that the error rate of a channel is increased. In order to ensure the availability of wireless communication, the design is often conservative only according to the requirement of minimum channel performance, rather than adaptive adjustment to adapt to the communication channel, so that the protocol stack cannot effectively and reasonably utilize limited power resources and spectrum resources.
Finally, the further development and innovation of wireless networks is faced with a serious challenge, wherein the prominent obstacle is that the contradiction between the explosive growth of wireless application demands and the tight supply of wireless communication resources is increasingly prominent.
Disclosure of Invention
The invention aims to provide a cooperative communication method of a multi-medium converged wireless resource management network, which can change the link type, is convenient for cross-layer design, not only realizes the independence of equipment, but also enables the high-layer application and a bottom-layer channel to be capable of effectively communicating.
The aim of the invention is achieved by the following technical measures: on the basis of meeting service requirements, joint access control and resource scheduling are carried out on network equipment with different characteristics in a heterogeneous network, the maximization of the resource utilization rate of the heterogeneous network is realized in a Mesh form by a multi-medium fusion wireless communication method of the access network, and the Mesh Pipe classification design method is mainly embodied in that power control and adaptive modulation and demodulation control are implemented according to the QoS requirements of an MAC protocol, a routing protocol, a TCP protocol and application layer services.
In particular, adapting the protocol specifications of the different media provides a unified standard ethernet interface to the user.
In particular, different transmission quality evaluation methods are adopted for different media, so that a network cross-layer wireless resource management mechanism is required to be effectively realized, a cross-layer optimal relay node selection algorithm in a cooperative relay network is assisted to be realized, and the design of a cross-layer route of a multi-hop self-organizing network is supported.
Particularly, a second layer Pipe and a third layer Pipe are designed according to different link types, the second layer Pipe is set for the Ethernet and the ethos link types, and the third layer Pipe is set for the IP Tunnel.
Especially, design wired Pipe and wireless Pipe, set up wired Pipe to optic fibre and coated wire equipment promptly, set up wireless Pipe to scattering, radio station and satellite equipment, realize the radio communication of different structure multimediums.
Especially, set up broadband Pipe and narrowband Pipe according to the actual transmission rate of equipment, set up broadband Pipe to fiber equipment promptly, set up narrowband Pipe to scattering and radio station equipment.
Particularly, the IP Pipe and the IP Tunnel are designed to be capable of changing the link type and supporting a flexible networking mode.
In particular, the design structure: mesh → Pipe → link; service interface: pipe provides a standard ethernet interface to mesh. After configuration is carried out in a configuration file G8000.xml, an Ethernet port is supported to be used as a Mesh Pipe; the type of Box is Relay/Mobile/Gateway (Dual Ethernet Port); the Ethernet port can not be used as other roles at the same time when being used as the Mesh Pipe; link adaptation: and performing message format encapsulation and corresponding control instruction transmission according to the transmission standards of different links.
The invention has the advantages and effects that: by integrally considering the multi-medium fusion network comprising a wired network, a wireless network, a broadband network, a narrowband network and the like, the wireless resources of the access network are optimized, the difficulty of managing the cooperative wireless resources of the multi-medium fusion network is solved, the access control and resource scheduling which are combined are carried out on the access networks with different characteristics in the heterogeneous network, and the maximization of the resource utilization rate of the heterogeneous network is realized on the basis of meeting the service requirement.
Drawings
Fig. 1 is a schematic diagram of a design structure of two-layer and three-layer Pipe link types in embodiment 1 of the present invention.
Fig. 2 is a schematic view of a wireless communication structure of wired and wireless Pipe heterogeneous multi-media in embodiment 1 of the present invention.
Fig. 3 is a schematic view of a wireless communication structure of broadband and narrowband Pipe multimedia in embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of a mesh switching gateway network system in a three-layer mode in embodiment 1 of the present invention.
Fig. 5 is a schematic view of a wireless communication structure of classified multimedia of Mesh Pipe in embodiment 1 of the present invention.
Fig. 6 is a schematic diagram of a link structure for changing and expanding a wired Mesh Pipe based on a three-layer networking mode in the same broadcast domain in embodiment 1 of the present invention.
Detailed Description
The principle of the invention lies in that, in order to solve the problems, the characteristics of the next generation wireless network are researched and judged on the basis of orderly and deep analysis of the development and evolution of the wireless network, and after analyzing, sorting and summarizing the problems and the current research situation, an overall solution is provided from the theoretical innovation point of view. As a main means for solving the above contradiction, the resource utilization efficiency of the existing communication system is effectively improved, the available resource space is expanded, the overall performance of the wireless communication system is improved, and the wireless communication with multi-medium fusion is realized by combining the improvement of the flexible scheduling strategy of network resources while the wireless resource management mode is optimized.
In practical application, the protocol stack is generally divided into three main parts: media, transmission and application. A particular operating system or platform often has two well-defined software interfaces: one between the media layer and the transport layer and the other between the transport layer and the application.
In the invention, on the basis of meeting service requirements, network equipment with different characteristics in a heterogeneous network is subjected to combined access control and resource scheduling, the wireless communication method of multi-medium fusion of the access network realizes the maximization of the resource utilization rate of the heterogeneous network in a Mesh form, and the Mesh Pipe classification design method is mainly embodied in that power control and adaptive modulation and demodulation control are implemented according to the QoS requirements of an MAC protocol, a routing protocol, a TCP protocol and application layer services. The method specifically comprises the following steps:
A. the protocol specification adapted to different media provides a unified standard ethernet interface to the user. The network protocols of each layer are coordinated and matched with each other, and the overall performance and efficiency of the wireless network are improved.
B. Different transmission quality evaluation methods are used for different media. The method effectively realizes a network cross-layer wireless resource management mechanism, assists in realizing a cross-layer optimal relay node selection algorithm in the cooperative relay network and the design of cross-layer routing of the multi-hop self-organizing network.
C. Two-layer Pipe and three-layer Pipe are designed according to the requirements of different link types, as shown in figure 1, two-layer Pipe is set for the Ethernet and the ethos link types, and three-layer Pipe is set for the IP Tunnel.
D. The wired Pipe and the wireless Pipe are designed to meet the wireless communication requirement of heterogeneous multimedia, as shown in the attached figure 2.
E. The transmission rate is divided into a wideband Pipe and a narrowband Pipe according to actual transmission rate, as shown in fig. 3.
F. Different equipment of the user selects and different service types enable wireless multiple access to face different dynamic link characteristics, and the designed IP Pipe and the IP Tunnel can change the link types and provide a more flexible networking mode.
The invention is further illustrated by the following figures and examples.
Example 1: the technical scheme comprises the following steps:
1) the support of Wireless Pipe and Ethernet Pipe is M110-142B/M110-502B; the IP Pipe and the IP _ tunnel Pipe are H7800-25D/P7800-25C;
2) designing a structure: mesh → Pipe → link;
3) service interface: pipe provides a standard ethernet interface to mesh. After configuration in the configuration file G8000.xml, the Ethernet port is supported as a Mesh Pipe. The type of Box may be Relay/Mobile/Gateway (Dual Ethernet Port). When the ethernet port is as Mesh Pipe, can not be as other roles simultaneously, like access user etc.. For example, in a three-layer mode, as shown in fig. 4, a network system structure of the Mesh switching gateway is that a device is accessed to a Mesh Pipe through a standard ethernet interface, and the Mesh Pipe provides a standard adaptation interface function to support access to an external network.
4) Link adaptation: and performing message format encapsulation and corresponding control instruction transmission according to the transmission standards of different links.
5) The different Mesh Pipe of the independent unit of the multimedia fusion system can provide a unified ethernet interface, as shown in fig. 5.
In the embodiment of the invention:
a Protocol stack (also called Protocol stack) is a specific software implementation of a computer network Protocol suite. One protocol in a suite of protocols is typically designed for only one purpose, which may make the design easier. Since each protocol module usually has to communicate with two other protocol modules above and below, they can usually be imagined as layers in a protocol stack. The lowest level of protocols always describes physical interactions with the hardware. Each advanced level adds more features. The user application is only handling the top-most protocol.
Wireless Pipe (wireless Pipe) -type ═ atheros, which refers to wireless mesh _ Pipe based on wlan _ mwds;
common cable Pipe (ethernet Pipe) -type ═ ethernet, refers to two-layer based cable mesh _ Pipe in the same broadcast domain;
and the ip _ tunnel Pipe-type is used for establishing a three-layer Mesh network across the local area network. The working mode is divided into two modes: active, inactive;
the ip Pipe-type is "ip", which means that the capability of expanding other types of links is provided based on the change of three layers of wired Mesh _ Pipe in the same broadcast domain, fig. 6 can realize multi-media fusion under the application of the Mesh Pipe, and provide a uniform network interface for the service unit, so that the service unit has the cross-media capability, and the service unit only needs to be accessed through a standard ethernet port; for example: the communication unit can directly access the multi-medium converged wireless communication system through the Mac layer. The IP _ tunnel Pipe can also be accessed to the multi-medium converged wireless communication system through IP, and no matter which access is carried out, a unified standard Ethernet interface is provided after the multi-medium converged wireless communication system.
Claims (1)
1. A multi-medium fusion wireless resource management network cooperative communication method is characterized in that the multi-medium fusion wireless communication method of an access network realizes the maximization of the resource utilization rate of a heterogeneous network in a Mesh form, and the Mesh PiPe classification design method is embodied in that power control and adaptive modulation and demodulation control are implemented according to the MAC protocol, the routing protocol, the TCP protocol and the QoS requirements of application layer services; the method specifically comprises the following steps:
A. the protocol specification adapting to different media provides a uniform standard Ethernet interface for users; the protocols of each layer of the network are coordinated and matched with each other;
B. different transmission quality evaluation methods are adopted for different media; the method comprises the steps of realizing a network cross-layer wireless resource management mechanism, assisting in realizing a cross-layer optimal relay node selection algorithm in a cooperative relay network and designing a cross-layer route of a multi-hop self-organizing network;
C. designing a second layer Pipe and a third layer Pipe according to the requirements of different link types, setting the second layer Pipe for the Ethernet and the ethos link types, and setting the third layer Pipe for the IP Tunnel;
D. designing a wired Pipe and a wireless Pipe for realizing the wireless communication requirement of heterogeneous multi-media;
E. dividing the data into a broadband Pipe and a narrowband Pipe according to the actual transmission rate;
F. selecting different equipment by a user, and changing the link type by the designed IP Pipe and the IP Tunnel;
designing a structure: mesh → pipe → link; service interface: pipe provides a standard Ethernet interface for mesh; after configuration is carried out in a configuration file G8000.xml, an Ethernet port is supported to be used as a Mesh pipe; the type of Box is Relay/Mobile/Gateway dual Ethernet port; the Ethernet port can not be used as other roles at the same time when being used as the Mesh Pipe; link adaptation: and performing message format encapsulation and corresponding control instruction transmission according to the transmission standards of different links.
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