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Available frequency spectrum determination method and equipment

A technology for determining the method and spectrum, applied in the field of communication, can solve the problem of not considering the interference of the authorized system to the sensing system, and achieve the effect of improving the quality of communication

Active Publication Date: 2014-08-20
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0028] The embodiment of the present invention provides a method and device for determining the available frequency spectrum, which solves the problem that in the existing technical solutions, the interference of the sensing system to the authorized system can only be considered unilaterally, but the interference of the authorized system to the sensing system cannot be considered.

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  • Available frequency spectrum determination method and equipment
  • Available frequency spectrum determination method and equipment
  • Available frequency spectrum determination method and equipment

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Embodiment Construction

[0058] As mentioned in the background technology, in cognitive radio technology, how to accurately judge whether a certain spectrum of the authorized system can be used by the sensing system is a key point. There are three main judgment methods at present: database method, sensing method and database and The method of combining perception, but these three methods start from the perspective of protecting the authorization system, without considering the protection of the perception system. Since the interference between wireless communication systems is two-way, the authorized system will also interfere with the sensing system. When the sensing system is introduced into the available frequency band determined by the existing method, it can only guarantee that the normal operation of the authorized system will not be affected, but it cannot be guaranteed. The newly introduced perception system also works properly.

[0059] In order to overcome such defects, the embodiment of the...

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Abstract

The embodiment of the present invention discloses a method and device for determining an available frequency spectrum. By applying the technical solution of the embodiment of the present invention, considering the bidirectionality of interference between wireless communication systems, when it is necessary to introduce a sensing system, only when the corresponding In the frequency point and other adjacent frequency points, the corresponding frequency point will be determined as an available frequency point only when the authorization system and the sensing system can be guaranteed to meet the corresponding coexistence criteria at the same time, thereby ensuring that the determined available frequency band is in the While ensuring that the normal operation of the authorization system is not interfered by the perception system, at the same time, it is ensured that the newly introduced perception system can also work normally without interference from the authorization system, and the communication quality of the wireless communication system is improved.

Description

technical field [0001] The present invention relates to the technical field of communications, in particular to a method and device for determining an available frequency spectrum. Background technique [0002] Radio communication spectrum is a precious natural resource. With the rapid development of wireless communication technology, the problem of poor spectrum resources is becoming more and more serious. In order to alleviate the shortage of spectrum resources, relevant departments and institutions have carried out monitoring and research on wireless communication spectrum , it is found that some frequency bands (such as TV frequency bands) are not used most of the time or in most regions, while some frequency bands have the situation of multi-system and multi-user competition at the same time, that is, certain service carrying capacity Very large systems do not have enough spectrum resources, while other systems with small service carrying capacity occupy too many resour...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/14H04W48/16
CPCH04W16/14H04L27/0006
Inventor 李媛媛唐业明白文岭蒋成钢杨宇王晓鹿童鑫
Owner DATANG MOBILE COMM EQUIP CO LTD