Sensor device, sensor network system, and sensor device control method
First Claim
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1. A sensor device comprising:
- a reader for requesting a tag information and detecting an interference channel; and
short range wireless communication module for transmitting or receiving a Information of the interference channel through short range wireless communication to share the interference channel information,wherein the reader comprises;
a radio frequency (RF) processor for making communication with a tag;
an interference channel detector for sensing intensity of a signal received from an antenna to detect the interference channel; and
a reader controller connected to the short range wireless communication module, in which the reader controller delivers the interference channel information to the short range wireless communication module and receives information of a channel to be used.
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Abstract
Disclosed are a sensor device and a sensor device control method. The sensor device comprises a reader for requesting a tag information and detecting an interference channel, and a short range wireless communication module for sharing a information of the interference channel through short range wireless communication, and reallocating channels to be used for the reader.
5 Citations
13 Claims
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1. A sensor device comprising:
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a reader for requesting a tag information and detecting an interference channel; and short range wireless communication module for transmitting or receiving a Information of the interference channel through short range wireless communication to share the interference channel information, wherein the reader comprises; a radio frequency (RF) processor for making communication with a tag; an interference channel detector for sensing intensity of a signal received from an antenna to detect the interference channel; and a reader controller connected to the short range wireless communication module, in which the reader controller delivers the interference channel information to the short range wireless communication module and receives information of a channel to be used. - View Dependent Claims (2, 3, 4, 5)
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6. A sensor device comprising:
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a reader for requesting a tag information and detecting an interference channel; and a short range wireless communication module for sharing a information of the Interference channel through short range wireless communication, and reallocating channels to be used for the reader, wherein the reader comprises; a radio frequency (RF) processor for making communication with a tag; an interference channel detector for sensing intensity of a signal received from an antenna to detect he interference channel; and a reader controller connected to the short range wireless communication module, in which the reader controller delivers the interference channel information to the short range wireless communication module and receives information of a channel to be used. - View Dependent Claims (7, 8, 9, 10, 11)
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12. A sensor network system comprising:
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a sensor for making communication with a tag, and transmitting a node Information comprising a information of the tag and a interference channel Information; a coordinator module for collecting the node information of the sensor; and a server for reallocating a channel of the sensor based on the node information collected from the coordinator module and transmitting a information of the reallocated channel, wherein the sensor comprises; a reader for making communication with the tag; and a short range wireless communication module connected to the reader, in which the short range wireless communication module makes short range wireless communication with other sensors, wherein the reader comprises; a radio frequency (RF) processor for making communication with a tag; an interference channel detector for sensing intensity of a signal received from an antenna to detect the interference channel; and a reader controller connected to the short range wireless communication module, in which the reader controller delivers the interference channel information to the short range wireless communication module and receives information of a channel to be used. - View Dependent Claims (13)
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Specification