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US 7,733,216 B2Granted
Radio frequency identification tags capable of embedding receiver signal strength indications
AssigneeIntel Corporation
InventorJoshua Posamentier
Life of this patent
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Abstract
An embodiment of the present invention provides an apparatus, comprising an RF ID tag capable of reporting receiver signal strength indication, wherein the receiver signal strength may be indicated by an a RSSI byte included with an electronic product code (EPC) data packet. The EPC data packet may be in the standard SGTIN-64 EPC data format. Further, the RF ID tag capable of reporting signal strength may enable power control or beam steering.
Claims44
An apparatus, comprising:
- a passive RF ID tag configured to report receiver signal strength indication, wherein said receiver signal strength is indicated by an RSSI byte included with an electronic product code (EPC) data packet, wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
A method of reporting receiver signal strength indication in a passive RF ID tag, comprising:
- reporting, by the passive RF ID tag, the receiver signal strength by including a RSSI byte with an EPC data packet,
- wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
An article, comprising:
- a storage medium having stored thereon instructions, that, when executed by a computing platform results in a passive RF ID tag reporting receiver signal strength, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet, wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
A passive RF ID Tag, comprising:
- a transponder configured to report receiver signal strength, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet;
- and
- a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
A tracking system, comprising:
- an antenna;
- a transceiver connected to said antenna;
- and
- a passive transponder (RF tag) configured to communicate with said transceiver, wherein said transponder is configured to report received signal strength, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet, wherein the transponder comprises a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
A method of controlling the power in a transceiver in a passive RF ID Tag system, comprising:
- receiving from a transponder configured to report received signal strength the strength of a signal received from said transceiver;
- and
- adjusting the transmit power of said transceiver based upon the reported received signal strength and predetermined parameters, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet,
- wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
A method of determining Tag location in a passive RF ID Tag system, comprising:
- receiving from a transponder configured to report received signal strength the strength of a signal received from a transceiver in said passive RFID Tag system;
- and
- beam forming on the basis of the reported received signal strength thereby enabling the determination of a tag in said passive RFID Tag system, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet,
- wherein the RF ID tag system comprises RF ID tags comprising a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
An apparatus, comprising:
- an RF ID tag configured to report receiver signal strength indication, wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate a RSSI byte that is configured to enable measuring a power supply with a low ppwer reference signal.
An article, comprising:
- a storage medium having stored thereon instructions, that, when executed by a computing platform results in a RF ID tag reporting receiver signal strength, wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate a RSSI byte that is configured to enable measuring a rower supply with a low power reference signal.
A RF ID Tag, comprising:
- a transponder configured to report receiver signal strength, wherein the RF ID tag comprises a flash analog/digital converter having output latched into a response register and arranged to generate a RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
A tracking system, comprising:
- an antenna;
- a transceiver connected to said antenna;
- and
- a transponder (RF tag) configured to communicate with said transceiver, wherein said transponder is configured to report received signal strength, wherein the transponder comprises a flash analog/digital converter having output latched into a response register and arranged to generate a RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
A method of controlling the power in a transceiver in a RF ID Tag system, comprising:
- receiving from a transponder configured to report received signal strength the strength of the signal received from said transceiver;
- and
- adjusting the transmit power of said transceiver based upon the reported received signal strength and predetermined parameters,
- wherein the transponder comprises a flash analog/digital converter having output latched into a response register and arranged to generate a RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
A method of determining Tag location in a RF ID Tag system, comprising:
- receiving from a transponder configured to report received signal strength the strength of the signal received from a transceiver in said passive RFID Tag system;
- and
- beam forming on the basis of the reported received signal strength thereby enabling the determination of a tag in said passive RFID Tag system,
- wherein the transponder comprises a flash analog/digital converter having output latched into a response register and arranged to generate a RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
An apparatus, comprising:
- a RF ID tag configured to report receiver signal strength indication, wherein said receiver signal strength is indicated by an RSSI byte included with an electronic product code (EPC) data packet, wherein the RF ID tag system comprises RF ID tags comprising a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
A method of reporting receiver signal strength indication in a RF ID tag, comprising:
- reporting, by the RF ID tag, the receiver signal strength by including a RSSI byte with an EPC data packet;
- and
- generating the RSSI byte that is configured to enable measuring a power supply with a low power reference signal by a flash analog/digital converter having an output latched into a response register of the RF tag.
A RF ID Tag, comprising:
- a transponder configured to report received signal strength, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet wherein the transponder includes a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
A tracking system, comprising:
- an antenna;
- a transceiver connected to said antenna;
- and
- a transponder (RF tag) configured to communicate with said transceiver, wherein said transponder is configured to report received signal strength, wherein said receiver signal strength is indicated by an RSSI byte included with an EPC data packet, wherein the transponder includes a flash analog/digital converter having output latched into a response register and arranged to generate the RSSI byte that is configured to enable measuring a power supply with a low power reference signal.
1 more element
Dependencies are inferred from the claim text.