Reader and tag
First Claim
1. A reader for wirelessly receiving a signal from a tag, the signal comprising a portion on a first side, a portion on a second side and a synchronization sequence to be detected between the first and the second side, wherein the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, the reader comprising:
- a processor configuredfor storing the received signal;
for detecting the synchronization sequence in the received signal;
for calculating a transmission characteristic between the tag and the reader, using the portion of the received signal on the first side; and
for extracting a payload information from the portion of the received signal on the second side, using the calculated transmission characteristic.
1 Assignment
0 Petitions
Accused Products
Abstract
A reader for wirelessly receiving a signal from a tag, the signal having a portion on a first side, a portion on a second side and a synchronization sequence to be detected between the first and the second side, wherein the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged with each other, has a processor. The processor is configured for storing the received signal, for detecting the synchronization sequence in the received signal, for calculating a transmission characteristic between the tag and the reader, using the portion of the received signal on the first side and for extracting a payload information from the portion of the received signal on the second side, using the calculated transmission characteristic.
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Citations
23 Claims
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1. A reader for wirelessly receiving a signal from a tag, the signal comprising a portion on a first side, a portion on a second side and a synchronization sequence to be detected between the first and the second side, wherein the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, the reader comprising:
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a processor configured for storing the received signal; for detecting the synchronization sequence in the received signal; for calculating a transmission characteristic between the tag and the reader, using the portion of the received signal on the first side; and for extracting a payload information from the portion of the received signal on the second side, using the calculated transmission characteristic. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A tag for wirelessly sending a signal to a reader, the tag comprising
a processor configured for generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other; wherein the processor is configured for selecting a modified transmission information from a plurality of modified transmission information and to comprise the selected modified transmission information into the portion on the first side. - View Dependent Claims (11, 12, 13)
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14. A method for wirelessly receiving a signal with a reader from a tag, the signal comprising a portion on a first side, a portion on a second side and a synchronization sequence to be detected between the first and the second side, wherein the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, the method comprising:
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storing the received signal; detecting the synchronization sequence in the received signal; calculating a transmission characteristic between the tag and the reader, using the portion of the received signal on the first side; and extracting a payload information from the portion of the received signal on the second side, using the calculated transmission characteristic.
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15. A method for wirelessly sending a signal to a reader, the method comprising
generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other; - and
selecting a modified transmission information from a plurality of modified transmission information and to comprise the selected modified transmission information into the portion on the first side.
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16. A non-transitory digital storage medium having stored thereon a computer program for performing the method for wirelessly receiving a signal with a reader from a tag, the signal comprising a portion on a first side, a portion on a second side and a synchronization sequence to be detected between the first and the second side, wherein the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, the method comprising:
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storing the received signal; detecting the synchronization sequence in the received signal; calculating a transmission characteristic between the tag and the reader, using the portion of the received signal on the first side; and extracting a payload information from the portion of the received signal on the second side, using the calculated transmission characteristic, when said computer program is run by a computer.
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17. A non-transitory digital storage medium having stored thereon a computer program for performing the method for wirelessly sending a signal to a reader, the method comprising
generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, and selecting a modified transmission information from a plurality of modified transmission information and to comprise the selected modified transmission information into the portion on the first side; when said computer program is run by a computer.
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18. A tag for wirelessly sending a signal to a reader, the tag comprising
a processor configured for generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other; wherein the tag is configured for receiving an operation signal from the reader, wherein the processor is configured to comprise a predetermined transmission information into the portion on the first side of a previous signal before receiving the operation signal and to comprise the modified transmission information into the portion on the first side of a latter signal after receiving the operation signal.
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19. A tag for wirelessly sending a signal to a reader, the tag comprising
a processor configured for generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other; wherein the processor is configured for generating and storing a temporary variable and to comprise the temporary variable as a payload information into a signal to be sent to the reader and to keep the temporary variable stored if a signal received from the reader comprises a payload information different from the temporary variable or an information derived thereof, the signal expected by the processor to comprise the temporary variable or the information derived thereof.
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20. A method for wirelessly sending a signal to a reader, the method comprising
generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, receiving an operation signal from the reader, and comprising a predetermined transmission information into the portion on the first side of a previous signal before receiving the operation signal and comprising the modified transmission information into the portion on the first side of a latter signal after receiving the operation signal.
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21. A method for wirelessly sending a signal to a reader, the method comprising
generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, and generating and storing a temporary variable and comprising the temporary variable as a payload information into a signal to be sent to the reader and keeping the temporary variable stored if a signal received from the reader comprises a payload information different from the temporary variable or an information derived thereof, the signal expected to comprise the temporary variable or the information derived thereof.
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22. A non-transitory digital storage medium having stored thereon a computer program for performing the method for wirelessly sending a signal to a reader, the method comprising
generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, receiving an operation signal from the reader, and comprising a predetermined transmission information into the portion on the first side of a previous signal before receiving the operation signal and comprising the modified transmission information into the portion on the first side of a latter signal after receiving the operation signal, when said computer program is run by a computer.
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23. A non-transitory digital storage medium having stored thereon a computer program for performing the method for wirelessly sending a signal to a reader, the method comprising
generating the signal using a synchronization sequence and by arranging the synchronization sequence between a portion of the signal on a first side of the signal and a portion of the signal at a second side of the signal such that the portion on the first side, the synchronization sequence and the portion on the second side are serially arranged to each other, and generating and storing a temporary variable and comprising the temporary variable as a payload information into a signal to be sent to the reader and keeping the temporary variable stored if a signal received from the reader comprises a payload information different from the temporary variable or an information derived thereof, the signal expected to comprise the temporary variable or the information derived thereof when said computer program is run by a computer.
Specification