Method for contending channels under network coexistence, reader and RFID system

A technology of competing channels and readers, applied in the field of communication, can solve problems such as channel conflicts, collisions, and network failures, and achieve the effect of coordinating competition and resolving conflicts and collisions

Inactive Publication Date: 2010-06-09
HUAWEI TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Existing technologies are all proposed for the contention and coordination of internal channels in the network. When multiple networks work at the same time, channel conflicts and collisions will occur between the networks, which may cause the network to fail to work normally.

Method used

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  • Method for contending channels under network coexistence, reader and RFID system
  • Method for contending channels under network coexistence, reader and RFID system
  • Method for contending channels under network coexistence, reader and RFID system

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Embodiment Construction

[0028] 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 of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] Embodiments of the present invention provide a method and a reader for network coexistence and competition for channels. When multiple networks exist, all devices in the network can compete for channels and coordinate with each other to avoid collisions as much as possible.

[0030] The method and reader for network coexistence contention channels provided by the embodiments of the present invention will be described in detail below with referen...

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Abstract

The invention discloses a method for contending channels under network coexistence, a reader and an RFID system. The method comprises the following steps: detecting whether an available channel is present in a network; if so, scanning whether the available channel is occupied by other system signals; performing channel contention if the available channel is occupied by the other system signals; occupying the selected available channel, and beginning to read a tag. Therefore, when a plurality of networks are present, the channels can be contended and coordinated with each other so as to avoid collision as possible.

Description

technical field [0001] The invention relates to the communication field, in particular to a network coexistence and competition channel method, a reader and an RFID system. Background technique [0002] Due to the emergence of various high-speed, high-quality and high-speed mobile wireless communication technologies, wireless wide area networks, wireless metropolitan area networks, and wireless local area networks are playing an increasingly important role in people's lives. With the advancement of science and technology, there are more and more electronic products in people's lives. These various electronic products have the need for interconnection, and this interconnection has the characteristics of long time, data burst transmission, and small data volume. . Based on such interconnection requirements, new low-speed, low-power, low-cost, and low-coverage wireless communication methods have been developed rapidly, and various low-speed wireless personal area networks have...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W74/08
Inventor 刘培张兴炜王峰毛震韩瑜李斗赵玉萍
Owner HUAWEI TECH CO LTD
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