Throughput Performance Optimization of Super Dense Wireless Networks With the Renewal Access Protocol

As a promising solution for handling super dense wireless networks, wireless local area networks (WLANs) have been intensively considered due to their wide availability. However, the contention-based MAC protocol in WLANs should be modified because of its inefficiency. To this end, we consider a rec...

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Veröffentlicht in:IEEE transactions on wireless communications 2016-05, Vol.15 (5), p.3440-3452
Hauptverfasser: Kim, Yunbae, Hwang, Ganguk, Um, Jungsun, Yoo, Sungjin, Jung, Hoiyoon, Park, Seungkeun
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container_end_page 3452
container_issue 5
container_start_page 3440
container_title IEEE transactions on wireless communications
container_volume 15
creator Kim, Yunbae
Hwang, Ganguk
Um, Jungsun
Yoo, Sungjin
Jung, Hoiyoon
Park, Seungkeun
description As a promising solution for handling super dense wireless networks, wireless local area networks (WLANs) have been intensively considered due to their wide availability. However, the contention-based MAC protocol in WLANs should be modified because of its inefficiency. To this end, we consider a recently proposed novel MAC protocol called the renewal access protocol (RAP). With the RAP, we analyze two strategies for resolving collisions efficiently and achieving optimal throughput performance in super dense WLANs: strategies without and with grouping. First, we analyze the asymptotic behavior of the RAP itself (i.e., without grouping) as the number of terminals goes to infinity. We show that the RAP can achieve optimal throughput even in super dense WLANs and the relevant optimal access probability can be derived in a closed form. Second, we propose a grouping strategy in the RAP called the grouped RAP (G-RAP). While a grouping strategy in the IEEE 802.11ah standard is based on time division, our G-RAP is based on transmission attempts. So the G-RAP does not waste channel resources. We show that the G-RAP achieves the optimal network throughput for any group structure if terminals use the optimal access probability that we derive. Our analytical results are validated by simulation.
doi_str_mv 10.1109/TWC.2016.2521648
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subjects asymptotic analysis
Asymptotic properties
Channels
dense WLAN
grouping
IEEE 802.11 Standard
Local area networks
MAC
Mathematical analysis
Media Access Protocol
network throughput
Optimization
Radiation detectors
renewal access protocol
Strategy
Terminals
Throughput
Wireless LAN
Wireless networks
title Throughput Performance Optimization of Super Dense Wireless Networks With the Renewal Access Protocol
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