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334 results about "Random-access channel" patented technology

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A random-access channel (RACH) is a shared channel used by wireless terminals to access the mobile network (TDMA/FDMA, and CDMA based network) for call set-up and bursty data transmission. Whenever mobile wants to make an MO (Mobile Originating) call it schedules the RACH. RACH is transport-layer channel; the corresponding physical-layer channel is PRACH.