Method and device for reader to transmit signal in wireless communication system
AssigneeLG Electronics Inc.
InventorsUihyun Hong, Hyukjin Chae
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Abstract
One embodiment of the present invention relates to a method for a reader to transmit and receive a signal to and from a tag, the method comprising: a step in which a first reader transmits a first signal to a tag; and a step in which the first reader receives the first signal reflected on the tag. The timing for the first reader to transmit the first signal is determined by using an offset value based on an ID related to the first reader.
Claims8
A method of transmitting or receiving a signal by a first device in a wireless communications system, the method comprising:
- receiving configuration information for a plurality of zones;
- selecting a synchronization source based on a priority for each of synchronization sources;
- receiving a synchronization signal from the synchronization source;
- obtaining position information;
- determining a first zone related to the position information from among the plurality of zones based on the configuration information;
- determining a transmission timing of a first signal based on the first zone;
- transmitting the first signal to a second device at the transmission timing;
- transmitting a second signal to a third device;
- and
- receiving a third signal,
- wherein the position information includes coordinate information based on GNSS, (Global Navigation Satellite System),
- wherein the synchronization sources include the GNSS, eNB (evolved Node B), gNB (gNodeB), or other device synchronized with the GNSS, the eNB or the gNB,
- wherein the first signal is transmitted by an RFID (Radio-Frequency Identification) reader included in the first device, and the second signal is the first signal reflected from a RFID tag of the second device,
- wherein the configuration information further includes offset information for configuring a time offset for each of the plurality of zones related to the RFID reader, and
- wherein the transmission timing of the first signal is determined by applying the time offset configured for the first zone to a timing related to the synchronization signal.
A first device for transmitting or receiving a signal in a wireless communication system, the first device comprising:
- a memory;
- and
- a processor coupled to the memory,
- wherein the processor is configured to:
- receive configuration information for a plurality of zones,
- select a synchronization source based on a priority for each of synchronization sources,
- receive a synchronization signal from the synchronization source,
- obtain position information,
- determine a first zone related to the position information from among the plurality of zones based on the configuration information,
- determine a transmission timing of a first signal based on the first zone,
- transmit the first signal to a second device at the transmission timing,
- transmit a second signal to a third device, and
- receive a third signal,
- wherein the position information includes coordinate information based on GNSS, (Global Navigation Satellite System),
- wherein the synchronization sources includes the GNSS, eNB (evolved Node B), gNB (gNodeB), or other device synchronized with the GNSS, the eNB or the gNB,
- wherein the first signal is transmitted by an RFID (Radio-Frequency Identification) reader included in the first device, and the second signal is the first signal reflected from a RFID tag of the second device,
- wherein the configuration information further includes offset information for configuring a time offset for each of the plurality of zones related to the RFID reader, and
- wherein the transmission timing of the first signal is determined by applying the time offset configured for the first zone to a timing related to the synchronization signal.
Dependencies are inferred from the claim text.