Relevance-based access method of frequency-hopping communication system

A technology of frequency hopping communication and access method, which is applied in wireless communication, transmission system, electrical components, etc. It can solve the problems of unsatisfactory, increase the complexity of perception algorithm, equipment implementation complexity and energy consumption, and reduce the possibility of collision Performance, resource utilization maximization, and system throughput maximization
CN102307392AInactive Publication Date: 2012-01-04SOUTHEAST UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SOUTHEAST UNIV
Publication Date
2012-01-04
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a relevance-based access method of a frequency-hopping communication system. In the invention, a cognitive module is added to the common frequency-hopping communication system so as to carry out perception and communication at the same time; and collisionless channel access is realized by virtue of time delay relevance among hopping frequency of different frequency-hopping nodes so as to improve utilization ratio of a wireless spectrum, number of network nodes of the system and system throughput. The access method of calling nodes mainly comprises the following steps: (1) in the channel searching process, the calling nodes obtain use condition of time frequency resource in actual frequency-hopping communication; (2) the calling nodes select scheduling nodes and send access application to the selected nodes; (3) after receiving the access application, the scheduling nodes allocate time frequency resource to the nodes applying for access, feed back access guide information and control the nodes applying for access to access to a network; and (4) after finishing frequency-hopping communication, the nodes send logout notice to the relevant nodes so as to release the occupied time frequency resource.
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Description

technical field

[0001] The invention relates to a correlation-based frequency hopping communication system access method, which effectively utilizes the available frequency spectrum and time slots sensed in real time, realizes collision-free access to the frequency hopping network through correlation-based time-frequency resource scheduling and allocation, and improves effective resource utilization Rate and system throughput, applied to the access strategy in the frequency hopping communication system. Background technique

[0002] The frequency hopping communication system was first used in military communication and has been widely concerned and applied due to its advantages of security and anti-jamming. The frequency hopping communication system is mainly used in civil communication in the ISM frequency band (Industrial Scientific Medical band), which mainly represents the WLAN (Wireless Local Area Network) system with slow frequency hopping and the Bluetooth system (Blu...

Claims

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