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Cognitive radio power control method and system based on adaptive bacterial foraging

A cognitive radio and bacterial foraging technology, applied in wireless communication, power management, electrical components, etc., can solve problems such as shortening the running time of communication networks, distributing results that consume a lot of energy, and failing to meet actual communication needs, etc., to avoid Adverse effect, small energy consumption, effect of prolonging operation time

Active Publication Date: 2019-10-11
JILIN INST OF CHEM TECH
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Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to provide a cognitive radio power control method and system based on adaptive bacteria foraging, to solve the problem of allocation results caused by traditional resource allocation methods that do not consider the total transmission power of cognitive users. It consumes a lot of energy and shortens the running time of the communication network, which cannot meet the actual communication needs

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  • Cognitive radio power control method and system based on adaptive bacterial foraging
  • Cognitive radio power control method and system based on adaptive bacterial foraging
  • Cognitive radio power control method and system based on adaptive bacterial foraging

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Embodiment Construction

[0024] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] Aiming at the problem that the aforementioned existing resource allocation method consumes a lot of energy and shortens the running time of the communication network, and cannot meet the actual communication needs, the present invention first establishes a multi-user underlying distributed cognitive radio network system, and Set the initial value of each parameter of the cognitive radio network system, and the initial value of the parameters of the adaptive bacterial foraging algorithm; then determine whether the current cognitive user transmission power meets the preset constraint conditions, and use the adaptive bacterial foraging The eclipse algorithm controls the power of cognitive users to minimize the sum of the transmission power of cognitive users, so as to avoid the adverse effects of excessive transmission power of cognitive us...

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Abstract

The invention provides a cognitive radio power control method and system based on adaptive bacterial foraging. The method includes the steps of establishing a multiuser underlying distributed cognitive radio network system, and setting initial values of parameters of the cognitive radio network system and initial values of parameters of an adaptive bacterial foraging algorithm; and then determining whether the transmitting power of current cognitive users meets preset constraints, and controlling the power of the cognitive users using the adaptive bacterial foraging algorithm to obtain the minimum value of the sum of the transmitting power of the cognitive users. According to the invention, the communication quality of the authorized users can be guaranteed, an adverse effect of the transmitting power of the cognitive users on a cognitive device is avoided, the cognitive users are allowed to have less energy consumption, the run time of the network is extended, and a better cognitive network spectrum utilization rate is thus gained.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and more specifically, to a cognitive radio power control method and system based on adaptive bacterial foraging. Background technique [0002] Cognitive radio is a technical solution to effectively solve the contradiction between the development of wireless communication technology and the shortage of spectrum resources, and power control (resource allocation) is a key link in its technical realization, which is of great significance. The underlying spectrum sharing model is a very important model in cognitive radio networks and has received extensive attention. [0003] The underlying spectrum sharing model is a spectrum sharing method in which licensed users and unlicensed users coexist. That is, cognitive users can directly access the network of authorized users without real-time perception of the existence of authorized users, and only need to limit the interference t...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W52/34
Inventor 陈玲玲付莉高兴泉
Owner JILIN INST OF CHEM TECH
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