IEICE TRANSACTIONS on Communications
Cross-Layer Design for Exposed Node Reduction in Ad Hoc WLANs
Summary :
Interference in ad hoc WLANs is a common occurrence as there is no centralized access point controlling device access to the wireless channel. IEEE 802.11 WLANs use carrier sense multiple access with collision avoidance (CSMA/CA) which initiates the Request to Send/Clear to Send (RTS/CTS) handshaking mechanism to solve the hidden node problem. While it solves the hidden node problem, RTS/CTS triggers the exposed node problem. In this paper, we present an evaluation of a method for reducing exposed nodes in 802.11 ad hoc WLANs. Using asymmetric transmission ranges for RTS and CTS frames, a cross-layer design is implemented between Layer 2 and 3 of the OSI model. Information obtained by the AODV routing protocol is utilized in adjusting the RTS transmission range at the MAC Layer. The proposed method is evaluated with the NS-2 simulator and we observe significant throughput improvement, and confirm the effectiveness of the proposed method. Especially when the mobile nodes are randomly distributed, the throughput gain of the Asymmetric RTS/CTS method is up to 30% over the Standard RTS/CTS method.
- Publication
- IEICE TRANSACTIONS on Communications Vol.E101-B No.7 pp.1575-1588
- Publication Date
- 2018/07/01
- Publicized
- 2018/01/22
- Online ISSN
- 1745-1345
- DOI
- 10.1587/transcom.2017CQP0015
- Type of Manuscript
- Special Section PAPER (Special Section on Communication Quality in Wireless Networks)
- Category
Authors
Emilia WEYULU
Tokyo University of Information Sciences
Masaki HANADA
Tokyo University of Information Sciences
Hidehiro KANEMITSU
Tokyo University of Technology
Eun-Chan PARK
Dongguk University
Moo Wan KIM
Tokyo University of Information Sciences
Keyword
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Emilia WEYULU, Masaki HANADA, Hidehiro KANEMITSU, Eun-Chan PARK, Moo Wan KIM, "Cross-Layer Design for Exposed Node Reduction in Ad Hoc WLANs" in IEICE TRANSACTIONS on Communications,
vol. E101-B, no. 7, pp. 1575-1588, July 2018, doi: 10.1587/transcom.2017CQP0015.
Abstract: Interference in ad hoc WLANs is a common occurrence as there is no centralized access point controlling device access to the wireless channel. IEEE 802.11 WLANs use carrier sense multiple access with collision avoidance (CSMA/CA) which initiates the Request to Send/Clear to Send (RTS/CTS) handshaking mechanism to solve the hidden node problem. While it solves the hidden node problem, RTS/CTS triggers the exposed node problem. In this paper, we present an evaluation of a method for reducing exposed nodes in 802.11 ad hoc WLANs. Using asymmetric transmission ranges for RTS and CTS frames, a cross-layer design is implemented between Layer 2 and 3 of the OSI model. Information obtained by the AODV routing protocol is utilized in adjusting the RTS transmission range at the MAC Layer. The proposed method is evaluated with the NS-2 simulator and we observe significant throughput improvement, and confirm the effectiveness of the proposed method. Especially when the mobile nodes are randomly distributed, the throughput gain of the Asymmetric RTS/CTS method is up to 30% over the Standard RTS/CTS method.
URL: https://global.ieice.org/en_transactions/communications/10.1587/transcom.2017CQP0015/_p
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@ARTICLE{e101-b_7_1575,
author={Emilia WEYULU, Masaki HANADA, Hidehiro KANEMITSU, Eun-Chan PARK, Moo Wan KIM, },
journal={IEICE TRANSACTIONS on Communications},
title={Cross-Layer Design for Exposed Node Reduction in Ad Hoc WLANs},
year={2018},
volume={E101-B},
number={7},
pages={1575-1588},
abstract={Interference in ad hoc WLANs is a common occurrence as there is no centralized access point controlling device access to the wireless channel. IEEE 802.11 WLANs use carrier sense multiple access with collision avoidance (CSMA/CA) which initiates the Request to Send/Clear to Send (RTS/CTS) handshaking mechanism to solve the hidden node problem. While it solves the hidden node problem, RTS/CTS triggers the exposed node problem. In this paper, we present an evaluation of a method for reducing exposed nodes in 802.11 ad hoc WLANs. Using asymmetric transmission ranges for RTS and CTS frames, a cross-layer design is implemented between Layer 2 and 3 of the OSI model. Information obtained by the AODV routing protocol is utilized in adjusting the RTS transmission range at the MAC Layer. The proposed method is evaluated with the NS-2 simulator and we observe significant throughput improvement, and confirm the effectiveness of the proposed method. Especially when the mobile nodes are randomly distributed, the throughput gain of the Asymmetric RTS/CTS method is up to 30% over the Standard RTS/CTS method.},
keywords={},
doi={10.1587/transcom.2017CQP0015},
ISSN={1745-1345},
month={July},}
Copy
TY - JOUR
TI - Cross-Layer Design for Exposed Node Reduction in Ad Hoc WLANs
T2 - IEICE TRANSACTIONS on Communications
SP - 1575
EP - 1588
AU - Emilia WEYULU
AU - Masaki HANADA
AU - Hidehiro KANEMITSU
AU - Eun-Chan PARK
AU - Moo Wan KIM
PY - 2018
DO - 10.1587/transcom.2017CQP0015
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E101-B
IS - 7
JA - IEICE TRANSACTIONS on Communications
Y1 - July 2018
AB - Interference in ad hoc WLANs is a common occurrence as there is no centralized access point controlling device access to the wireless channel. IEEE 802.11 WLANs use carrier sense multiple access with collision avoidance (CSMA/CA) which initiates the Request to Send/Clear to Send (RTS/CTS) handshaking mechanism to solve the hidden node problem. While it solves the hidden node problem, RTS/CTS triggers the exposed node problem. In this paper, we present an evaluation of a method for reducing exposed nodes in 802.11 ad hoc WLANs. Using asymmetric transmission ranges for RTS and CTS frames, a cross-layer design is implemented between Layer 2 and 3 of the OSI model. Information obtained by the AODV routing protocol is utilized in adjusting the RTS transmission range at the MAC Layer. The proposed method is evaluated with the NS-2 simulator and we observe significant throughput improvement, and confirm the effectiveness of the proposed method. Especially when the mobile nodes are randomly distributed, the throughput gain of the Asymmetric RTS/CTS method is up to 30% over the Standard RTS/CTS method.
ER -
English
