Methods, systems and apparatus to improve radio frequency identification (RFID) tag communication
Methods, systems, apparatus, and articles of manufacture are disclosed to improve radio frequency identification (RFID) tag communication. An example disclosed apparatus includes an RFID reader monitor to activate a first RFID reader and deactivate a second RFID reader during a first tag data acquisition at a first time, and deactivate the first RFID reader and activate the second RFID reader during a second tag data acquisition at a second time, a tag logger to identify a first set of RFID tags detected by the first RFID reader at the first time, and identify a second set of RFID tags detected by the second RFID reader at the second time, and a group generator to improve RFID tag communication by identifying which one of the first RFID reader and the second RFID reader communicates with a common RFID tag.
1. An apparatus to improve radio frequency identification (RFID) tag communication, the apparatus comprising:
an RFID reader monitor to:
activate a first RFID reader and deactivate a second RFID reader during a first tag data acquisition at a first time, the first RFID reader to transmit pre-communication power as an unmodulated radio frequency (RF) signal during a first portion of the first time; and
deactivate the first RFID reader and activate the second RFID reader during a second tag data acquisition at a second time, the second RFID reader to transmit pre-communication power as an unmodulated RF signal during a first portion of the second time;
a tag logger to:
identify a first set of RFID tags detected by the first RFID reader at a second portion of the first time, the first RFID reader to transmit a protocol request during the second portion of the first time; and
identify a second set of RFID tags detected by the second RFID reader at a second portion of the second time, the second RFID reader to transmit a protocol request during the second portion of the second time; and
a group generator to identify which one of the first RFID reader and the second RFID reader communicates with a common RFID tag.
2. The apparatus as defined in claim 1 , wherein the common RFID tag is within the first set of RFID tags and the second set of RFID tags.
3. The apparatus as defined in claim 1 , wherein the group generator is to generate a first device group indicative of RFID readers that can operate at the same time without respective ones of the RFID readers energizing a same RFID tag.
4. The apparatus as defined in claim 1 , wherein the group generator is to identify whether the first RFID reader and the second RFID reader should be prevented from operating at the same time.
5. The apparatus as defined in claim 1 , wherein the group generator is to identify a first set of RFID readers to operate at a first time and a second set of RFID readers to be prevented from operating at the first time.
6. The apparatus as defined in claim 5 , wherein the group generator is to:
permit the second set of RFID readers to operate at the second time; and
prevent the first set of RFID readers from operating at the second time.
7. The apparatus as defined in claim 5 , wherein the group generator is to calculate a duty cycle of operation for the first set of RFID readers and the second set of RFID readers based on (a) a number of sets of isolated RFID readers and (b) a threshold repeating time duration.
8. The apparatus as defined in claim 1 , further including a motion sensor monitor to detect motion in an area of interest proximate to the first RFID reader or the second RFID reader, the motion sensor monitor to update an operating mode of at least one of the first RFID reader or the second RFID reader.
9. The apparatus as defined in claim 8 , wherein the operating mode includes a set of RFID reader configuration settings retrieved from a memory as a profile.
10. A non-transitory computer-readable medium comprising instructions to improve radio frequency identification (RFID) tag communication that, when executed, cause one or more processors to, at least:
activate a first RFID reader and deactivate a second RFID reader during a first tag data acquisition at a first time, the first RFID reader to transmit pre-communication power as an unmodulated ratio frequency (RF) signal during a first portion of the first time;
deactivate the first RFID reader and activate the second RFID reader during a second tag data acquisition at a second time, the second RFID reader to transmit pre-communication power as an unmodulated RF signal during a first portion of the second time;
identify a first set of RFID tags detected by the first RFID reader at a second portion of the first time, the first RFID reader to transmit a protocol request during the second portion of the first time;
identify a second set of RFID tags detected by the second RFID reader at a second portion of the second time, the second RFID reader to transmit a protocol request during the second portion of the second time; and
identify which one of the first RFID reader and the second RFID reader communicates with a common RFID tag.
11. The computer-readable medium as defined in claim 10 , wherein the instructions, when executed, further cause the one or more processors to identify that the common RFID tag is within the first set of RFID tags and the second set of RFID tags.
12. The computer-readable medium as defined in claim 10 , wherein the instructions, when executed, further cause the one or more processors to generate a first device group indicative of RFID readers that can operate at the same time without respective ones of the RFID readers energizing a same RFID tag.
13. The computer-readable medium as defined in claim 10 , wherein the instructions, when executed, further cause the one or more processors to identify whether the first RFID reader and the second RFID reader should be prevented from operating at the same time.
14. The computer-readable medium as defined in claim 10 , wherein the instructions, when executed, further cause the one or more processors to identify a first set of RFID readers to operate at a first time and a second set of RFID readers to be prevented from operating at the first time.
15. The computer-readable medium as defined in claim 14 , wherein the instructions, when executed, further cause the one or more processors to:
permit the second set of RFID readers to operate at the second time; and
prevent the first set of RFID readers from operating at the second time.
16. The computer-readable medium as defined in claim 14 , wherein the instructions, when executed, further cause the one or more processors to calculate a duty cycle of operation for the first set of RFID readers and the second set of RFID readers based on (a) a number of sets of isolated RFID readers and (b) a threshold repeating time duration.
17. The computer-readable medium as defined in claim 10 , wherein the instructions, when executed, further cause the one or more processors to update an operating mode of at least one of the first RFID reader or the second RFID reader in response to motion detected in an area of interest via a motion sensor.
18. The computer-readable medium as defined in claim 17 , wherein the instructions, when executed, further cause the one or more processors to retrieve the operating mode as a set of RFID reader configuration settings from a memory.
19. A computer-implemented method to improve radio frequency identification (RFID) tag communication, the method comprising:
activating, by executing an instruction with a processor, a first RFID reader and deactivating a second RFID reader during a first tag data acquisition at a first time, the first RFID reader to transmit pre-communication power as an unmodulated radio frequency (RF) signal during a first portion of the first time;
deactivating, by executing an instruction with the processor, the first RFID reader and activating the second RFID reader during a second tag data acquisition at a second time, the second RFID reader to transmit pre-communication power as an unmodulated RF signal during a first portion of the second time;
identifying, by executing an instruction with the processor, a first set of RFID tags detected by the first RFID reader at a second portion of the first time, the first RFID reader to transmit a protocol request during the second portion of the first time;
identifying, by executing an instruction with the processor, a second set of RFID tags detected by the second RFID reader at a second portion of the second time, the second RFID reader to transmit a protocol request during the second portion of the second time; and
identify, by executing an instruction with the processor, which one of the first RFID reader and the second RFID reader communicates with a common RFID tag.
20. The method as defined in claim 19 , wherein the common RFID tag is within the first set of RFID tags and the second set of RFID tags.
21. The method as defined in claim 19 , further including generating a first device group indicative of RFID readers that can operate at the same time without respective ones of the RFID readers energizing a same RFID tag.
22. The method as defined in claim 19 , further including identifying whether the first RFID reader and the second RFID reader should be prevented from operating at the same time.
23. The method as defined in claim 19 , further including identifying a first set of RFID readers to operate at a first time and a second set of RFID readers to be prevented from operating at the first time.
24. The method as defined in claim 23 , further including:
permitting the second set of RFID readers to operate at the second time; and
preventing the first set of RFID readers from operating at the second time.
25. The method as defined in claim 23 , further including calculating a duty cycle of operation for the first set of RFID readers and the second set of RFID readers based on (a) a number of sets of isolated RFID readers and (b) a threshold repeating time duration.