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A channel crossover method and system for a cognitive radio network

A cognitive wireless network and channel technology, which is applied in the field of channel convergence method and system of cognitive wireless network, can solve the problems of low utilization rate and unused utilization rate of most spectrums, so as to improve the convergence speed, shorten the convergence time, and improve the effect of speed

Active Publication Date: 2018-06-29
SUZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Currently, due to the exponential growth of various wireless devices and fixed spectrum allocation rules, some spectrums are already overcrowded, while most spectrums are unutilized or underutilized

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  • A channel crossover method and system for a cognitive radio network
  • A channel crossover method and system for a cognitive radio network
  • A channel crossover method and system for a cognitive radio network

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Embodiment Construction

[0048]The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0049] The core of the present invention is to provide a channel convergence method and system for a cognitive wireless network, so as to shorten the convergence time of users and increase the convergence speed of channel frequency hopping.

[0050] In order to enable those skilled in the art to better understand the solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings an...

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Abstract

The invention discloses a channel intersection method for a cognitive radio network. The method comprises the following steps: generating intersection time slot channel sequences corresponding to various users in the cognitive radio network through the same channel hopping (CH) algorithm, and respectively and independently enabling channel passages of the users in different periods; when channels of two of the users intersect, generating new time slot channel sequences respectively corresponding to the two users through the least recently accessed channel algorithm, and using the new time slot channel sequences as the intersection time slot channel sequences; and carrying out intersection through the intersection time slot channel sequences corresponding to the users. The method provided by the invention has the advantages that the intersection time of the users can be shortened, so that CH intersection speed is accelerated. The invention further provides a channel intersection system for the cognitive radio network, through which the intersection time of the users can be shortened, so that the CH intersection speed is further accelerated.

Description

technical field [0001] The present invention relates to the technical field of channel crossover, in particular to a channel crossover method and system for a cognitive wireless network. Background technique [0002] Currently, due to the exponential growth of various wireless devices and fixed spectrum allocation rules, some spectrums are already overcrowded, while most spectrums are unused or not utilized at a high rate. In order to alleviate the unbalanced utilization of spectrum resources, cognitive radio technology is proposed to enable secondary users to effectively utilize the scarce and valuable spectrum resources. [0003] In cognitive radio networks (CRNS), secondary users may not know each other's existence in advance, thus, before they exchange information, they detect each other's presence to establish a communication link. Channel rendezvous is a basic process in which two or more radios of a secondary user intersect and establish a link on a commonly used cha...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B1/713H04L27/00
CPCH04B1/713H04L27/0006
Inventor 贾俊铖何正球浦敏李云飞严建峰
Owner SUZHOU UNIV