抄録
Time Division Duplex (TDD)
-
based bidirectional digital field pick
-
up unit (FPU) system is now being studied.
Hence this new digital FPU system shares its frequency ban
d with other wireless systems, digital FPU system should detect
and avoid the interference from other systems. We studied the frequency sensing scheme using received power within
preamble signals. From the results of baseband link
-
level computer simulation
, it was confirmed that the proposed scheme
achieved an excellent performance of interference detection.
