Adaptive link selection method in integrated communication system
An adaptive link and communication link technology, applied in the field of adaptive link selection, can solve problems such as low connection success rate, bit error, and low efficiency, and achieve the effects of improving efficiency, avoiding cumbersome processes, and improving quality
Inactive Publication Date: 2017-12-01
CHINA MARITIME POLICE ACADEMY
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Problems solved by technology
Operators often can only rely on their own work experience when making selections. Not only is the connection success rate low, but the channel state of the communication link is time-varying during the service transmission process. The communication link selected at the beginning of the service initiation is very difficult. It may become worse during the course of business, causing serious impact of bit errors. Therefore, this manual selection of communication links has the problems of low efficiency and difficulty in ensuring communication quality, which has brought great difficulties to the implementation of wireless communication guarantee. serious consequence
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[0029] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0030] An adaptive link selection method in an integrated communication system proposed by the present invention, its overall realization flow chart is as follows figure 1 As shown, it includes the following steps:
[0031] ① There are multiple different wireless communication devices in the integrated communication system, and each wireless communication device has at least one communication link; when a user requests a communication connection to indicate the need for business transmission, the integrated communication system detects all available wireless communication devices , to obtain the communication links of all available wireless communication devices, that is, to obtain all available communication links.
[0032] ② Set the total number of available communication links as M; the integrated communication system randomly generates a ...
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The invention discloses an adaptive link selection method in an integrated communication system. The method includes the steps of analyzing respective spectrums of all available communication links, obtaining respective channel interference values of all the available communication links, and further obtaining respective normalized channel interference values; determining respective adaptation factors of all the available communication links; then performing fuzzy inference processing on the normalized channel interference value and adaptation factor of each available communication link, obtaining a truth value of each available communication link under each fuzzy criterion, and further obtaining a normalized truth value under each fuzzy criterion; next performing defuzzification processing on the normalized truth values of each available communication link under all the fuzzy criteria, and obtaining a global evaluation value of each available communication link; and then using a search strategy to adaptively select one available communication link for service transmission. The advantages of the method are that the communication link selection efficiency can be effectively improved and the communication quality can be effectively improved.
Description
technical field [0001] The invention relates to a link selection technology in an integrated communication system, in particular to an adaptive link selection method in the integrated communication system. Background technique [0002] In recent years, wireless communication technology has shown a trend of rapid development. Wireless communication networks with new technologies, new standards, and new systems have emerged in an endless stream. Military / police wireless communication technology has also been vigorously developed, and communication support capabilities have been greatly improved. However, while wireless communication technology is constantly being upgraded, it also brings new challenges to military / police wireless communication technology. In the same unit, there are often a variety of different wireless communication methods coexisting, and new and old wireless communication equipment coexist. Therefore, it is difficult for different wireless communication dev...
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IPC IPC(8): H04W40/02H04W40/12H04W40/16H04W24/08
CPCH04W40/02H04W24/08H04W40/12H04W40/16
Inventor 李默杜永锋刘丽丽
Owner CHINA MARITIME POLICE ACADEMY