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Realization Method of Unmanned Device Content Collaboration Based on Alliance Formation Game

An implementation method and content technology, applied in the field of unmanned equipment content collaborative implementation based on alliance formation game, can solve problems such as poor user service quality, achieve good utility, optimize content transmission system, and improve system utility.

Active Publication Date: 2022-06-03
SHANGHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the problem of poor user service quality caused by the excessive load of the base station in the prior art, the present invention proposes an unmanned device content collaboration realization method based on alliance formation game, constructs an unmanned equipment alliance based on an alliance game algorithm, and analyzes unmanned equipment transmission Energy consumption, user satisfaction and system reliability, establish a multi-unmanned equipment cooperative communication strategy to achieve the goal of maximizing system utility

Method used

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  • Realization Method of Unmanned Device Content Collaboration Based on Alliance Formation Game
  • Realization Method of Unmanned Device Content Collaboration Based on Alliance Formation Game
  • Realization Method of Unmanned Device Content Collaboration Based on Alliance Formation Game

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Experimental program
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Embodiment Construction

[0037] When all communications use orthogonal channels to reduce interference from other devices. And when the drone and the user are in the data transmission

[0038] 1) UAV-UE link: The propagation channel of the drone to the user adopts the standard logarithmic normal shadow model. standard logarithm

[0040] The probability of a LoS link depends on the environment (density and height of buildings), the location of the drone and the user, the relationship between the drone and the

[0042]

[0059]

[0060] s.t.x

[0069] 4.1) Initialization alliance: each drone is an independent alliance, that is, the initial alliance is Π={{1}, {2},...,

[0071] 4.3) The drone n selects an alliance from the existing alliances, and calculates its own utility, alliance utility and

[0076] 4.4) When the candidate set is not empty, select the alliance that maximizes the system utility among the candidate alliances of the drone n

[0077] 4.5) When the historical set of all UAVs no longer change...

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Abstract

A method for realizing content collaboration of unmanned devices based on alliance formation game. According to the similarity between users, users are clustered by spectral clustering algorithm, and based on user preferences and current content popularity distribution, content is distributed on unmanned devices. Cache, and then according to the principle of maximizing the utility function of the unmanned equipment system, the cooperative content transmission problem of the unmanned equipment is modeled as an alliance game model, and the unmanned equipment alliance game is performed, and finally converges to form a stable alliance structure. The invention builds an unmanned equipment alliance based on the alliance game algorithm, analyzes unmanned equipment transmission energy consumption, user satisfaction and system reliability, and establishes a multi-unmanned equipment cooperative communication strategy to achieve the goal of maximizing system utility.

Description

A collaborative implementation method of unmanned equipment content based on alliance formation game technical field What the present invention relates to is a kind of technology of distributed information control field, specifically a kind of game based on alliance formation (Coalition Formation Game, CFG) unmanned device content collaborative implementation method. Background technique [0002] Caching technology is a potential technology for alleviating link congestion. For user-intensive scenarios, most of the current Existing caching work is usually carried out in a static network without mobility, and the cached content is stored on the ground static base. stand. However, in areas with ultra-dense users and high-rise buildings, static terrestrial base stations with buffering may not meet the needs of users. High capacity needs. Due to the advantages of fast and efficient, LoS link to ground nodes, controllable movement, etc., the wireless communication of dron...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/22H04W8/18
CPCH04W16/22H04W8/18Y02D30/70
Inventor 孙彦赞钟心琳张舜卿陈小静徐树公
Owner SHANGHAI UNIV