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Hybrid ARQ is part of the ____________ layer.(a) PDCP(b) RLC(c) MAC(d) PHYThe question was posed to me at a job interview.Asked question is from 4G Network Architecture in section 4G of Wireless/Mobile

Answer» RIGHT option is (c) MAC

For explanation I would SAY: Hybrid automatic REPEAT request (hybrid ARQ or HARQ) is a combination of high-rate FORWARD error-correcting coding and ARQ error-control. It is part of the MAC layer.


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