High performance RFID system and operating method thereof
First Claim
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1. A high performance Radio Frequency Identification (RFID) system, comprising:
- a reader;
a plurality of passive tags; and
at least one local reader to communicate with nearby passive tags and further forward results to the reader.
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Abstract
A high performance Radio Frequency Identification (RFID) system and the operating method thereof. The RFID system includes a reader, a plurality of passive tags, and at least one local reader to communicate with nearby passive tags and further forward results to the reader. A repeater tag or a semi-active tag can serve as a local reader. An operating method of the high performance RFID system, a repeater tag operating method, a semi-active tag electric power detecting method, and an operating method for searching for no electric power tags are further provided.
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Citations
23 Claims
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1. A high performance Radio Frequency Identification (RFID) system, comprising:
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a reader;
a plurality of passive tags; and
at least one local reader to communicate with nearby passive tags and further forward results to the reader. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 19)
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9. A semi-active tag electric power detecting method, comprising the steps of:
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waking up the semi-active tags. transmitting a battery check command for detecting the semi-active tags'"'"' battery condition;
detecting and searching for the semi-active tags without sufficient electric power. returning data by the semi-active tag. - View Dependent Claims (10, 11, 12, 13)
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14. A semi-active tag electric power detecting method, comprising the steps of:
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waking up the semi-active tags;
randomly selecting a semi-active tag; and
transmitting a battery check command for detecting the electric power of the semi-active tag. - View Dependent Claims (15, 16, 17, 18)
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20. An operating method for searching for no electric power tags, comprising the steps of:
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transmitting a command to all tags;
returning signals by tags;
reading the tags'"'"' information;
converting semi-active tags having sufficient electric power into local readers;
detecting tags'"'"' data within the local reader'"'"'s electromagnetic field;
confirming information;
requesting for data; and
returning a result;
- View Dependent Claims (21, 22, 23)
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Specification