Underwater acoustic network time slot MAC protocol method, system, device and medium

An underwater acoustic network and time slot technology, applied in transmission systems, digital transmission systems, energy consumption reduction, etc., can solve the problems of high consumption of handshake interaction, need for time synchronization, low efficiency, etc., and achieve high data delivery rate and throughput performance, the effect of reducing the probability of collision

Active Publication Date: 2021-10-15
SOUTH CHINA UNIV OF TECH
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Problems solved by technology

Protocols based on fixed channel allocation are divided into three types: TDMA, FDMA, and CDMA, which have problems such as time synchronization, limited available bandwidth, and reliance on more network information; competitive MAC protocols are mainly div

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  • Underwater acoustic network time slot MAC protocol method, system, device and medium
  • Underwater acoustic network time slot MAC protocol method, system, device and medium
  • Underwater acoustic network time slot MAC protocol method, system, device and medium

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Embodiment Construction

[0046] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. For the step numbers in the following embodiments, it is only set for the convenience of illustration and description, and the order between the steps is not limited in any way. The execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art sexual adjustment.

[0047] In the description of the present invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc. indicated orientations or positional relationships are based...

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Abstract

The invention discloses an underwater acoustic network time slot MAC protocol method, system and device and a medium, and the method comprises the following steps: dividing a transmission channel into a superframe structure containing M time slots, and carrying out the initialization setting of the weight of each time slot of each node; updating the sending probability of each time slot according to the time slot weight, and obtaining the time slot for transmitting the data packet according to the sending probability; updating the time slot revenue according to the receiving condition of the ACK acknowledgement packet, and updating each time slot weight according to the time slot revenue; obtaining a cycle period according to the length of the superframe, and updating the time slot probability of each node according to the cycle period until the time slot probability distribution of each node converges. According to the method, the evolutionary game theory is simulated, the distributed underwater acoustic network MAC protocol which does not need time synchronization and only depends on local information to adaptively form the sending strategy of each node can be realized, the conflict probability of data transmission is reduced to a greater extent, so higher data delivery rate and throughput performance are realized, and the method can be widely applied to medium access control.

Description

technical field [0001] The present invention relates to the field of medium access control (Medium Access Control, MAC), in particular to an underwater acoustic network time slot MAC protocol method, system, device and medium. Background technique [0002] With the continuous development of marine technology, underwater acoustic networks have been used in military, civil, commercial and other fields. The information collected by underwater sensor nodes can be used in various applications, such as: environmental monitoring, disaster prevention, assistance Navigation, military surveillance, seabed resource exploration and underwater sports, etc. [0003] The existing MAC protocols for underwater acoustic networks are mainly divided into: MAC protocols based on fixed channel allocation, contention-based MAC protocols and hybrid MAC protocols. Protocols based on fixed channel allocation are divided into three types: TDMA, FDMA, and CDMA, which have problems such as time synchro...

Claims

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Application Information

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IPC IPC(8): H04B13/02H04L1/16H04L29/06H04L29/08
CPCH04B13/02H04L1/1607H04L69/324H04L69/03Y02D30/70
Inventor 官权升郑淇尹季飞王焱
Owner SOUTH CHINA UNIV OF TECH
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