What concept involves using a regular arrangement of transmitterreceiver systems?
A. Spreading code
B. Cellular
C. Communication security
D. Trunking
Question 2
_________is the reflection of radio waves striking the RFID tag and reflecting stored unique identification information back to the transmitter source.
A. Piconet
B. Frequency reuse
C. Slotted aloha
D. Backscatter