Abstract
This paper discusses packet data multiplexing using stop-and-wait (SW) and go-back-N (GBN) automatic repeat request (ARQ) protocols under Markovian interruption. The Markov process shows the output channel by examining the Markovian interruption using inactive and active states. We assume that whenever the voice signal is active the output link is used and will be blocked for the data packet, and data traffic input is exponentially distributed in increments via the Poisson process, with each data packet transmitted within an individual time slot. Active and inactive periods of the original voice signal are geometrically distributed with their unique parameters. The study introduces the concept of average service time and average queueing delay to simplify the analysis and shows that data multiplexers using SW and GBN ARQ schemes exhibit queueing behaviour when the interruption signal follows a Markov process. Moreover, we derived the effective capacity that features the average arrival rate at the transmitter queue under the quality of service (QoS) constraints. Also from the results system stability depends on the error probability and Markovian interruptions occurrence. Simulation results verify the theoretical analysis.
Highlights
This study assumes that updates are generated comparative results of average service time and average delay time for SW [1] and GBN [2] automatic repeat request (ARQ) protocols interrupted by Markovian interruptions
Better throughput was obtained comparing in a time slotted packet multiplexer with Markovian interruptions of service time at the transmitter
The system was modeled as a two state Markov chain, and buffer behavior and service time for SW and GBN ARQ protocols were found to depend on voice signal activity
Summary
This study assumes that updates are generated comparative results of average service time and average delay time for SW [1] and GBN [2] ARQ protocols interrupted by Markovian interruptions. Reference [4] classified QoS routing protocols into two categories, which are probabilistic and deterministic, which in turn include soft real time and hard real time QoS routing protocol. Used techniques include forward error correction (FEC) [5], automatic repeat request (ARQ) [5], or a combination, called hybrid ARQ [6]. FEC method is many more bits are needed for error correction. Instead, it adopts an ARQ error correction method that retransmits in error correction. ARQ data is protected by error detecting codes. If the receiver detects errors, the corresponding frame is retransmitted. ARQ protocols for error control are divided into 3 schemes: stop-and-wait (SW), go-back-N (GBN), and selective repeat (SR)
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