CN109561455B - Communication system and method of hybrid network - Google Patents
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- CN109561455B CN109561455B CN201811532437.4A CN201811532437A CN109561455B CN 109561455 B CN109561455 B CN 109561455B CN 201811532437 A CN201811532437 A CN 201811532437A CN 109561455 B CN109561455 B CN 109561455B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
- H04W36/0088—Scheduling hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
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Abstract
The invention discloses a communication system and a method of a hybrid network, which comprises a hybrid network system architecture formed by combining at least a first network and a second network, and at least a first data communication terminal and a second data communication terminal which are used for data transmission and data reception; the first data communication terminal and the second data communication terminal are both connected with the first network or the second network, and carry out data communication interaction through the first network and the second network. The optimal communication network transmission scheme is judged by marking the data which needs to be received in time and analyzing each network node on the hybrid network, so that the marked data can be transmitted to the data receiving terminal in time; the loss and influence caused by the delayed data transmission are prevented.
Description
Technical Field
The present invention relates to a communication system and method, and more particularly, to a communication system and method for a hybrid network.
Background
With the rapid development of communication technology, communication networks are more and more important in data transmission, and the development of transmission technology of various communication networks for various data is also faster and faster. Because various communication network modes are diversified at present, data may not arrive at a data receiving end in time or meet the requirements of the data receiving end if the data is transmitted only through one communication network in the transmission process; therefore, data may be transmitted through various communication networks in the transmission process, and in many cases, a data receiving terminal has a high requirement on the timeliness of data reception (for example, a server needs to receive alarm data and detection data sent by a monitoring terminal in time so as to perform real-time analysis); if the communication transmission mode of the data in the hybrid network is not set, the data may not reach the data receiving end in time even if the data transmission is performed through the hybrid network.
Therefore, how to set the data communication transmission mode of the hybrid network to ensure that the data receiving terminal receives the data sent by the data sending terminal in time is a problem to be solved at the present stage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a communication system and a method of a hybrid network, which can set a data communication transmission mode of the hybrid network and ensure that a data receiving terminal receives data sent by a data sending terminal in time.
The purpose of the invention is realized by the following technical scheme: a communication system of a hybrid network comprises a hybrid network architecture formed by combining at least a first network and a second network, and at least a first data communication terminal and a second data communication terminal for data transmission and data reception; the first data communication terminal and the second data communication terminal are both connected with the first network or the second network, and carry out data communication interaction through the first network and the second network.
At least one network node capable of transmitting the communication data of the first network to the second network or transmitting the communication data of the second network to the first network for data transmission is arranged between the first network and the second network.
The first network comprises first network equipment, and the second network comprises second network equipment; and forming the network node for data transmission between the two networks through the first network equipment and the second network equipment.
The network node also comprises a hybrid network bridging device; the hybrid network bridging device is connected between the first network device and the second network device, and data transmission between the two networks is achieved.
The hybrid network bridging device comprises:
the data forwarding module is used for forwarding the communication data of the current network to another network for data transmission when the current network does not meet the optimal communication data transmission condition;
a tag identification module for identifying tagged communication data sent by the data communication terminal;
the node marking module is used for marking the number of network nodes on the whole network and the sequence of the network nodes for data transmission to obtain the position sequence of the network nodes on the whole network when the current communication data is transmitted;
a detection module for detecting network communication conditions of each of the networks used on the network node;
and the judgment analysis module is used for judging and analyzing the communication data to obtain the optimal communication data transmission scheme of the marked communication data according to the communication data and the current network conditions after the communication data are transmitted to the network nodes.
The judging and analyzing module comprises:
the analysis unit is used for analyzing the transmission priority sequence of each communication network according to the network performance parameters and the network signal strength of each current network;
and the judging unit is used for judging an optimal communication data transmission scheme according to the analysis result of the analyzing unit by combining the network use condition of each current network and the current communication data volume.
A communication method of a communication system based on a hybrid network, the method comprising:
the data communication terminal sends marked communication data outwards through the first network or the second network;
when the marked communication data are transmitted to the network node, analyzing and judging to obtain an optimal communication data transmission scheme;
the marked communication data is transmitted to another data communication terminal according to the optimal communication data transmission scheme.
The steps of analyzing and judging to obtain the optimal communication data transmission scheme when the communication data is transmitted to the network node are as follows:
the network node analyzes the network signal intensity of each communication network connected to the network node and analyzes the priority sequence of each communication signal state;
the network node analyzes the preference degree sequence of the communication conditions of each communication network according to the network communication conditions of each communication network connected to the network node;
and judging to obtain the optimal communication data transmission scheme according to the priority sequence of the current communication signal states and the priority sequence of the communication conditions of the communication networks.
The step of analyzing the priority sequence of each communication signal state is as follows:
when the network node detects the marked communication data, analyzing the network preference value of each communication network according to the network performance parameters of each communication network;
analyzing a network stability value of each communication network according to the network signal intensity of each communication network;
calculating the optimal value of each communication network according to the network priority value and the network stability value;
and sequencing the communication signal state priority of each communication network according to the optimal value of each communication network.
The step of analyzing the preference ranking of the communication conditions of each communication network comprises the following steps:
analyzing the data transmission quantity of each current communication network according to the current communication data passing through the network node;
analyzing the network use condition of each communication network according to the data transmission quantity of each communication network;
calculating the optimal value of the network communication condition of each communication network according to the data transmission quantity and the network use condition;
and sequencing the network communication condition priorities of the communication networks according to the optimal network communication condition values of the communication networks.
The method also includes determining whether a network node is the last network node in the entire communication network when a marked communication data is transmitted to the network node; when the marked communication data is transmitted to the last network node, the optimal communication data transmission scheme is selected without judgment and analysis, and the communication data is directly transmitted by the network connected with the data receiving terminal.
The invention has the beneficial effects that: a communication system and method of the hybrid network, through marking the data that need to accept in time and then analyze and judge the optimal communication network transmission scheme through every network node on the hybrid network, in order to let to transmit to the data receiving terminal in time to the data marked; the loss and influence caused by the delayed data transmission are prevented.
Drawings
FIG. 1 is a block diagram of the system of the present invention;
FIG. 2 is a flow chart of the method of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "upper", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings or orientations or positional relationships that the products of the present invention conventionally use, which are merely for convenience of description and simplification of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
As shown in fig. 1, a communication system of a hybrid network includes a hybrid network architecture including at least a first network and a second network, and at least a first data communication terminal and a second data communication terminal for data transmission and data reception; the first data communication terminal and the second data communication terminal are both connected with the first network or the second network, and carry out data communication interaction through the first network and the second network.
Preferably, each data communication terminal connected to the communication network may be a data transmitting terminal or a data receiving terminal or a data transceiving terminal satisfying both data transmission and reception.
At least one network node capable of transmitting the communication data of the first network to the second network or transmitting the communication data of the second network to the first network for data transmission is arranged between the first network and the second network.
The first network comprises first network equipment, and the second network comprises second network equipment; and forming the network node for data transmission between the two networks through the first network equipment and the second network equipment. The first network device and the second network device comprise switches connected to respective networks.
The network node also comprises a hybrid network bridging device; the hybrid network bridging device is connected between the first network device and the second network device, and data transmission between the two networks is achieved.
The hybrid network bridging device comprises:
the data forwarding module is used for forwarding the communication data of the current network to another network for data transmission when the current network does not meet the optimal communication data transmission condition;
a tag identification module for identifying tagged communication data sent by the data communication terminal;
the node marking module is used for marking the number of network nodes on the whole network and the sequence of the network nodes for data transmission to obtain the position sequence of the network nodes on the whole network when the current communication data is transmitted;
a detection module for detecting network communication conditions of each of the networks used on the network node;
and the judgment analysis module is used for judging and analyzing the communication data to obtain the optimal communication data transmission scheme of the marked communication data according to the communication data and the current network conditions after the communication data are transmitted to the network nodes.
The judging and analyzing module comprises:
the analysis unit is used for analyzing the transmission priority sequence of each communication network according to the network performance parameters and the network signal strength of each current network;
and the judging unit is used for judging an optimal communication data transmission scheme according to the analysis result of the analyzing unit by combining the network use condition of each current network and the current communication data volume.
As shown in fig. 2, a communication method of a communication system based on a hybrid network includes the following steps:
s1, the data communication terminal sends the marked communication data to the outside through the first network or the second network;
s2, when the marked communication data are transmitted to the network node, analyzing and judging to obtain an optimal communication data transmission scheme;
s3, transmitting the marked communication data to another data communication terminal according to the optimal communication data transmission scheme.
The step of analyzing and judging the communication data to obtain the optimal communication data transmission scheme when the communication data is transmitted to the network node in the step S3 is as follows:
s31, analyzing the network signal intensity of each communication network connected to the network node by the network node, and analyzing the priority sequence of each communication signal state;
s32, the network node analyzes the preference degree sequence of the communication conditions of each communication network according to the network communication conditions of each communication network connected to the network node;
and S33, judging to obtain the best communication data transmission scheme according to the priority sequence of the current communication signal states and the priority sequence of the communication conditions of the communication networks.
The step of analyzing the priority ranking of each communication signal state in step S31 is as follows:
s311, when the network node detects the marked communication data, analyzing the network preference value of each communication network according to the network performance parameters of each communication network;
s312, analyzing a network stability value of each communication network according to the network signal intensity of each communication network;
s313, calculating the optimal value of each communication network according to the network priority value and the network stability value;
s314, sequencing the communication signal state priority of each communication network according to the optimal value of each communication network.
The step of analyzing the preference ranking of the communication conditions of each communication network in step S32 includes:
s321, analyzing the data transmission quantity of each current communication network according to the current communication data passing through the network node;
s322, analyzing the network use condition of each communication network according to the data transmission quantity of each communication network;
s323, calculating the optimal value of the network communication condition of each communication network according to the data transmission quantity and the network use condition;
s324, ranking the network communication state priority of each communication network according to the network communication state optimal value of each communication network.
Preferably, in step S33, the content of the optimal communication data transmission scheme according to the priority ranking of the current communication signal states and the priority ranking of the communication conditions of the communication networks is determined as follows:
s331, setting a first weight for each signal state of each communication network to obtain a first weight sequence of each current communication network;
s332, setting second weights for the network communication states of all the communication networks to obtain second weight sequences of all the current communication networks;
s333, adding the first weight and the second weight of each communication network to obtain a total weight value of each current communication network, wherein the larger the total weight value is, the more the optimal communication data transmission scheme is; namely, the communication network with the maximum total weight value is the optimal communication data transmission communication network.
Preferably, the maximum value ranges of the first weight and the second weight are both 0-0.5, that is, the value range of the total weight of a communication network is 0-1 theoretically; for example, the first weight value of the first network in the hybrid network is 0.4, and the second weight value is 0.2; the first weight value of the second network is 0.3, and the second weight value is 0.4; the first weighted value of the hybrid network is sorted into a first network and a second network; the second weighted value is sorted into a second network and a first network; the total weight value is sorted into a second network and a first network; then, the best communication data transmission communication network in the current network node at this time is explained as the second network.
If the marked communication data is transmitted to the network node through the first network, the marked communication data needs to be transmitted to the second network through the network node for data transmission; if the marked communication data is transmitted to the network node through the second network, data transmission can be continued through the second network without data mutual transmission through the network node.
Preferably, the first weight value includes a signal strength and a signal stability of the current communication network, where the signal strength is a percentage of the current signal strength to the strongest signal strength, and the signal stability is a fluctuation degree of the signal strength (a percentage of the lowest signal strength to the strongest signal strength); the signal intensity is 100%, the fluctuation degree is 0-10% and is 0.5, the signal intensity is 80-99%, the fluctuation degree is 10-20% and is 0.4, the signal intensity is 60-80%, the fluctuation degree is 20-30% and is 0.3, the signal intensity is 40-60%, the fluctuation degree is 30-40% and is 0.2, the signal intensity is 20-40%, the fluctuation degree is 40-50% and is 0.1, the signal intensity is 0-20%, and the fluctuation degree is more than 50% and is 0.
The communication transmission quantity and the network use condition of the current communication network influencing the second weighted value; the communication transmission quantity is the percentage of the communication transmission quantity of the current network in the maximum data transmission load of the network, and the network use condition is the utilization rate of the current network; wherein, the value ranges of the communication transmission quantity and the network use condition are both 0-0.25; if the communication transmission quantity is 100% and takes the value of 0, the communication transmission quantity is 80% -99% and takes the value of 0.05, the communication transmission quantity is 60% -80% and takes the value of 0.1, the communication transmission quantity is 40% -60% and takes the value of 0.15, the communication transmission quantity is 20% -40% and takes the value of 0.2, and the communication transmission quantity is 0-20% and takes the value of 0.25; if the network use condition is 100% value of 0, the network use condition is 80% -99% value of 0.05, the network use condition is 60% -80% value of 0.1, the network use condition is 40% -60% value of 0.15, the network use condition is 20% -40% value of 0.2, and the network use condition is 0-20% value of 0.25.
The method also includes determining whether a network node is the last network node in the entire communication network when a marked communication data is transmitted to the network node; and when the marked communication data is transmitted to the last network node, judging, analyzing and selecting the optimal communication data transmission scheme, and directly transmitting the communication data by the network connected with the data receiving terminal.
Preferably, the marked data is provided with an IP receiving address of the data receiving terminal, when the marked data is transmitted to the last network node in the hybrid network, whether the network node is the last network node in the entire communication network is judged according to the position sequence of the network node on the entire network when the current communication data marked by the node marking module in the network node is transmitted, and if yes, the network connected with the data receiving terminal directly transmits the communication data; if not, continuing to judge and analyze to select the best communication data transmission scheme.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent flow transformations made by using the contents of the present invention/description of the present invention and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
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