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Zigbee protocol analyzing device

A protocol analysis and master controller technology, applied in electrical components, wireless communication, network topology, etc., can solve problems such as single channel and inability to detect

Inactive Publication Date: 2012-07-11
NANJING HANZHIXIAN ELECTRONICS TECH
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, there are many defects in the current protocol analyzers. First, the most commonly used one is the sniffer (Sniffer), which mainly monitors the network status and data flow, and monitors a single channel. It lacks the monitoring of wireless sensor networks. detection
Secondly, common protocol analyzers can only detect and analyze ZigBee signals in the ISM 2.4GHz frequency band, but when working in the ISM 780 / 868 / 915MHz frequency band, they have the characteristics of low power consumption, high sensitivity and strong penetration. In the case of the same transmission power, it has stronger penetration, longer communication distance and better communication quality than IEEE 802.15.4 in the ISM 2.4GHz frequency band
Therefore, the prior art cannot detect the ZigBee signal of the 700 / 800 / 900 frequency band, especially the 780MHz Chinese frequency band under the IEEE 802.15.4c standard

Method used

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Embodiment Construction

[0020] The technical scheme of the present invention is described in detail below in conjunction with accompanying drawing:

[0021] Such as figure 1 The ZigBee protocol analysis device shown includes a radio frequency transceiver module 1 , a main controller module 2 , a PC 4 , and a function indication module 3 . The radio frequency transceiver module 1, the main controller module 2, and the PC 4 are respectively connected to the function indication module 3, the radio frequency transceiver module 1 is connected to the main controller module 2 through the SPI bus, and the PC 4 is connected to the main controller module 2 through the USB bus . The function indication module 3 includes a power indicator light, a receiving indicator light, a running indicator light, and a buzzer.

[0022] The radio frequency transceiver module 1 demodulates the received wireless signal into a ZigBee signal, and then sends the ZigBee signal and the current link information of the radio frequen...

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Abstract

The invention relates to an analyzing device, in particular to a Zigbee protocol analyzing device. The Zigbee protocol analyzing device comprises a radio-frequency transceiver module, a main controller module, a PC (personal computer) and a function indication module, wherein the radio-frequency transceiver module, the function indication module and the PC are connected with the main controller module respectively. The main controller module converts Zigbee signals sent by the radio-frequency transceiver module into frame signals in a USB format and then sends the signals to the PC; the main controller module judges the running state of a wireless sensing network; and the function indication module indicates the working state of the wireless sensing network. The Zigbee protocol analyzing device provides specific data support for reliability and stability of a network system, detects and analyzes the wireless sensing network constituted by Zigbee, and judges the working states of a network node, a router and a coordinator.

Description

technical field [0001] The invention relates to an analyzing device, in particular to a ZigBee protocol analyzing device. Background technique [0002] Wireless sensor network technology integrates sensor technology, microelectronics technology, embedded computing technology, network radio, network communication technology and distributed information processing technology, etc., and can monitor, sense and collect various monitoring objects in real time through various micro sensors. All kinds of information, and wirelessly transmitted to the user terminal in an ad hoc multi-hop network, has the characteristics of rapid deployment, self-organization, strong concealment and high fault tolerance. Wireless sensor networks have very broad application prospects, and can be used in various departments such as industrial monitoring, environmental detection, military detection, and medical care. IEEE 802.15.4 / ZigBee protocol standard is a wireless network technology with short dista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/00H04W84/18
Inventor 程玉才
Owner NANJING HANZHIXIAN ELECTRONICS TECH
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