A kind of information distribution method of ultra-short wave radio network
A technology for ultra-short wave radio and information distribution, applied in wireless communication, electrical components, broadcasting service distribution, etc., can solve the problems of information loss, difficult information distribution and transmission, and small data communication bandwidth of ultra-short wave radio network, so as to improve the accuracy of discovery, Avoid concurrent collisions and achieve the effect of stable detection
Active Publication Date: 2019-07-05
CHONGQING JINMEI COMM
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Problems solved by technology
Since the ultrashort wave radio network adopts CSMA technology, it is more difficult to realize the information distribution and transmission like ordinary Wlan
The distribution of information and the detection of distribution status through the ultrashort wave radio network often encounter information loss, and the accuracy of the information cannot be guaranteed
[0004] The data communication bandwidth of the ultrashort wave radio network itself is quite small, which cannot satisfy complex communication interactions and high-frequency heartbeat detection messages
Moreover, for point-to-multipoint information detection, the ultrashort wave radio network cannot meet the data communication requirements of concurrent communication
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[0018] In an embodiment of the present invention, a method for distributing information of an ultrashort wave radio network is provided, which is used to realize information distribution among terminal nodes adopting the ultrashort wave radio network.
[0019] Such as figure 1 As shown, the information distribution method of the ultrashort wave radio network according to the embodiment of the invention includes: the ultrashort wave radio station receives a specific distribution information message without enabling its own Ip data flow forwarding process, and transfers the message to the multicast receiving processing module.
[0020] Among them, the multicast receiving and processing module directly forwards the special message from the network management port to the terminal receiving node, which is equivalent to establishing a virtual dedicated channel for information distribution. The distribution end can directly distribute the business data to be distributed through this ...
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The invention discloses an information distribution method for an ultra-short wave radio station network. The method comprises the steps of receiving and processing unified specific multicast messages via an ultra-short wave radio station; performing information detection on a target terminal by carrying the Mac addresses of detection objects in detection messages, to allow only one detection object to return a response information message at one moment; and achieving the detection of the terminal node by sending the detection message carrying the known Mac for many times. By using the method of the invention, the information distribution and delivery of the terminal node of the ultra-short wave radio station network can be effectively completed.
Description
technical field [0001] The invention relates to a communication technology of an ultrashort wave radio network, in particular to an information distribution method of an ultrashort wave radio network. Background technique [0002] In the wireless network, because there are hidden nodes (that is, each node does not know and cannot know the real-time situation of the entire network), it cannot be "detected", so CSMA / CA (CSMA with Collision Avoidance) carrier sense multiplex is adopted Access conflict avoidance technology, which uses the response strategy of RTS / CTS (that is, a handshake protocol similar to TCP) to ensure that nodes will not accept requests during transmission, thereby solving conflicts in wireless networks. [0003] Ultrashort wave radio network has a wide range of applications in military, industrial and civilian fields. The multiple access protocol is one of the key technologies of ultrashort wave radio station networking. Since CSMA technology is used in ...
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IPC IPC(8): H04W28/04H04W4/06
CPCH04W4/06H04W74/085H04W74/0858
Inventor 莫皓颖户江民罗文郝青峰王利军王杨刘先桥
Owner CHONGQING JINMEI COMM