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An interference management method capable of avoiding interference damage and increasing space reutilization rate

An interference management and space-increasing technology, applied in the field of interference management, can solve the problems of interfering with wireless communication devices, unable to identify messages, etc., and achieve the effect of alleviating the dilemma of hidden violence

Inactive Publication Date: 2006-01-18
叶启祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But we need to avoid that a wireless communication device that may interfere with this reception cannot understand this message due to collision, interference, "multi-path" or other factors

Method used

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  • An interference management method capable of avoiding interference damage and increasing space reutilization rate
  • An interference management method capable of avoiding interference damage and increasing space reutilization rate
  • An interference management method capable of avoiding interference damage and increasing space reutilization rate

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Embodiment Construction

[0127] The present invention will be further described in detail below through specific embodiments in conjunction with the accompanying drawings.

[0128] Scattered spectrum scheduling (S3)

[0129] Picture 9 , 10 explains the utility of decentralized spectrum scheduling. From Picture 9 We can see that the original RTS and CTS information needs to be transmitted with greater power. But when the scattered spectrum scheduling is used, they can use the same power as the data transmission, such as Picture 10 . Generally speaking, when an appropriate spreading factor (SF) is used, the RTS and CTS information can be transmitted at the desired power, but not necessarily at the same power. The scattered spectrum scheduling method uses the scattered spectrum and selects appropriate and adaptive scattered variables to transmit control information. When the dispersion variable is large enough, the control information is less susceptible to interference and damage by other signals. There...

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Abstract

The invention discloses an interference management method capable of avoiding interference damage and increasing space reutilization rate. During communication process, signals sensing informing method, interference project method, dispersing frequency spectrum corresponding method and cohort acting method are used. The invention resloves dilemma problem of hiding or baring the terminal and alternative trapping problem, which are present in IEEE802.11m the administration effiecency of the interference problem is better and the cost is lower.

Description

Technical field [0001] The present invention relates to wireless network communication technology, in particular to an interference management method that can avoid interference damage and increase space reuse. Background technique [0002] The United States Federal Communications Authorization Unit (FCC) has allocated several industrial, scientific, and medical (ISM) frequency bands for users to use without a license. The Institute of Electrical and Electronic Engineering (IEEE) formulated the IEEE 802.11 / 11a / 11b / 11g standard as a wireless communication standard for license-free bands. IEEE 802.11[1] defines "medium access control" (MAC) and "physical layer" (PHY) "protocol", while IEEE 802.11a / 11b / 11g is used The IEEE 802.11 media access control protocol has defined faster substantive layer protocols. Wireless Local Area Networks (WLAN) based on IEEE802.11b are rapidly increasing all over the world, and wireless local area networks based on IEEE 802.11a / 11g or compatible with a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/413
CPCY02B60/50
Inventor 叶启祥
Owner 叶启祥