1,449 Hits in 12.5 sec

Effectiveness of RTS/CTS handshake in IEEE 802.11 based ad hoc networks

Kaixin Xu, Mario Gerla, Sang Bae
2003 Ad hoc networks  
However, the effectiveness of RTS/CTS handshake is based on the assumption that hidden nodes are within transmission range of receivers.  ...  In this paper, we investigate how effective is the RTS/CTS handshake in terms of reducing interference.  ...  Acknowledgements This work is supported in part by ONR ''MINUTEMAN'' project under contract N00014-01-C-0016 and TRW under a Graduate Student Fellowship.  ... 
doi:10.1016/s1570-8705(03)00015-5 fatcat:tojcomyohbgeflydpcqob7qc34

Optimizing RTS/CTS to Improve Throughput in Ad Hoc WLANs

Emilia Weyulu, Masaki Hanada, Moo Wan Kim
2017 Proceedings of the 2017 Federated Conference on Computer Science and Information Systems  
In this paper, we present continuing evaluation of a method for reducing exposed nodes in 802.11 ad hoc WLANs using asymmetric transmission ranges for RTS and CTS frames.  ...  IEEE 802.11 WLANs use carrier sense multiple access with collision avoidance (CSMA/CA) to initiate the Request to Send / Clear to Send (RTS/CTS) handshaking mechanism that solves the hidden node problem  ...  Overview The IEEE 802.11 standard performs RTS/CTS handshaking to avoid collisions by eliminating hidden nodes.  ... 
doi:10.15439/2017f193 dblp:conf/fedcsis/WeyuluHK17 fatcat:hs4biuj33jfqdlbl3unq6lngua

Evaluating the performance of IEEE 802.11 network using RTS/CTS mechanism

Hetal Jasani, Nasser Alaraje
2007 2007 IEEE International Conference on Electro/Information Technology  
We use the OPNET Modeler [1] to simulate the RTS/CTS mechanism to evaluate the performance of IEEE 802.11 MAC protocol [6].  ...  RTS/CTS mechanism is helpful to reduce the number of retransmissions if hidden node problem persists in network scenarios.  ...  CONCLUSIONS It is important to evaluate the effectiveness of optional RTS/CTS handshake mechanism on the performance to analyze the IEEE 802.11 [6] based Wireless Local Area Networks (WLANs).  ... 
doi:10.1109/eit.2007.4374535 fatcat:mpexyng4cvbbfidkzimkiee2za

RTS/CTS Framework Paradigm and WLAN Qos Provisioning Methods

Mohamed Nj., S. Sahib, N. Suryana, B. Hussin
2017 International Journal of Advanced Computer Science and Applications  
Up to recent years following today's multimedia WLAN based networks deployment trends, RTS/CTS) contributed to provide networks with some expected good performance levels prior to the discovery of more  ...  Various researches have studied these tools from their early innovation as network node's built-in component, through different frameworks associated with WLAN legacy (IEEE 802.11) MAC protocols.  ...  ACKNOWLEDGMENT The authors would like to thank the Universiti Teknikal Malaysia (UTeM) through its research and innovations department services (CRIM) for the payment of this journal article registration  ... 
doi:10.14569/ijacsa.2017.080224 fatcat:zko6rtxwpvhllp3sdymqkgubaq

Analysis of RTS/CTS Mechanism to Minimize Hidden Node Problem using Media Access Control Protocol

Sourabh Pathak
2017 International Journal for Research in Applied Science and Engineering Technology  
Hidden node problem of the network reduce the throughput of the system. RTS/CTS mechanism only solution of this problem.  ...  But there are two types of problems are produced in wireless network first is Hidden node second is exposed node problem that reduce the efficiency of complete system.  ...  There is another type of ad-hoc network that is Mobile ad-hoc Network (MANET).  ... 
doi:10.22214/ijraset.2017.10163 fatcat:4nr2q2psmnhu3mlqq6tk6bxd3i

Asymmetric RTS/CTS for Exposed Node Reduction in IEEE 802.11 Ad Hoc Networks

Akihisa Matoba, Masaki Hanada, Hidehiro Kanemitsu, Moo Wan Kim
2014 Journal of Computing Science and Engineering  
One interesting problem regarding wireless local area network (WLAN) ad-hoc networks is the effective mitigation of hidden nodes.  ...  The WLAN standard IEEE 802.11 provides request to send/clear to send (RTS/CTS) as mitigation for the hidden node problem; however, this causes the exposed node problem.  ...  RTS/CTS METHOD In this section we explain the RTS/CTS method defined by the WLAN standard IEEE 802.11.  ... 
doi:10.5626/jcse.2014.8.2.107 fatcat:s63hxb3tbfd5njwifbbemspcgy

Effectiveness of AODV Protocol under Hidden Node Environment [chapter]

Ruchi Garg, Himanshu Sharma, Sumit Kumar
2010 Communications in Computer and Information Science  
IEEE 802.11 is a standard for mobile ad hoc networks (MANET), implemented with various different protocols.  ...  To avoid the collision and interference the MAC protocol has only two solutions, one, to sense the physical carrier and second, to use the RTS/CTS handshake mechanism.  ...  /CTS falls sharply [1] in IEEE 802.11.  ... 
doi:10.1007/978-3-642-17604-3_50 fatcat:cb7mzktopnhbjk5c6umkq7vrxi

Collaborative setting of RTS/CTS in multi-rate multi-BSS IEEE 802.11 wireless LANs

Murad Abusubaih, Berthold Rathke, Adam Wolisz
2008 2008 16th IEEE Workshop on Local and Metropolitan Area Networks  
In Proc. of the 16'th IEEE Workshop on Local and Metropolitan Area Networks, IEEE LANMAN'08,  ...  The IEEE 802.11 standard defined a manageable parameter, RTS threshold, above which a data packet should be preceded with RTS/CTS handshake.  ...  STATE OF THE ART The RTS/CTS protocol is an attractive issue for many researchers. Reference [1] has studied the effect of the hidden node problem on the performance of 802.11 Ad hoc WLANs.  ... 
doi:10.1109/lanman.2008.4675840 dblp:conf/lanman/AbusubaihRW08 fatcat:xslw4t3v2jatffhkcongasa4rq

Throughput Analysis for Wireless Full-Duplex Multi-Hop Networks with RTS/CTS-Based MAC

Yosuke Yumen, Shota Sakakura, Kosuke Sanada, Hiroyuki Hatano, Kazuo Mori
2022 Electronics  
However, the conventional model cannot analyze the performance of wireless multi-hop networks with RTS/CTS-based FD MAC.  ...  The proposed model provides the end-to-end throughput of multi-hop networks with RTS/CTS-based FD MAC for any number of hops and any payload size.  ...  In this sense, RTS/CTS-based FD MAC design is an important task, especially for ad hoc networks.  ... 
doi:10.3390/electronics11060892 fatcat:25bmbveshzeu5fwujdfnbtyn5e

Effectiveness of Physical and Virtual Carrier Sensing in IEEE 802.11 Wireless Ad Hoc Networks

Fu-Yi Hung, Ivan Marsic
2007 2007 IEEE Wireless Communications and Networking Conference  
We also compare the effectiveness of physical and virtual carrier sensing mechanisms, known as RTS/CTS mechanism, in wireless ad hoc networks.  ...  However, in wireless ad hoc networks most interference comes from outside of this range. So, the effectiveness of IEEE 802.11 carrier sensing mechanism in ad hoc networks has attracted many studies.  ...  INTRODUCTION IEEE 802.11 MAC protocol [1] is the most popular standard used in wireless ad hoc networks.  ... 
doi:10.1109/wcnc.2007.32 dblp:conf/wcnc/HungM07 fatcat:xwfli7up45dmfp6z7vorfpurzy

Network Layer Challenges of IEEE 802.11n Wireless Ad Hoc Networks [chapter]

Mehdi EffatParvar, Nasser Yazdani, MohammadReza EffatParvar, Peyman Teymoori, Ali Movaghar
2012 Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering  
Most of these works suggest disabling the RTS/CTS handshake to reduce MAC layer overheads. However, the effects of this protocol on the upper layers, especially the network layer, are still unknown.  ...  There are few works which analyze performance of this protocol in single-hop networks in terms of MAC layer-based parameters.  ...  Wei, the authors of [10] , for permitting us to use their NS-2 simulation source codes of IEEE 802.11n and also their help which allowed us to extend it for our purpose.  ... 
doi:10.1007/978-3-642-29157-9_36 fatcat:aladdjs6prb5jcxgj65itgumgm

BusySiMOn - A New Protocol for IEEE 802.11 EDCA-Based Ad-Hoc Networks with Hidden Nodes

Katarzyna Kosek-Szott, Marek Natkaniec, Andrzej R. Pach
2010 2010 IEEE Global Telecommunications Conference GLOBECOM 2010  
This article presents a new MAC layer protocol for IEEE 802.11 EDCA-based ad-hoc networks with hidden nodes.  ...  ., Voice) in terms of fairness, throughput and average frame delay. It is also compatible with the IEEE 802.11 standard.  ...  ACKNOWLEDGMENTS This work has been carried out under the Polish Ministry of Science and Higher Education grant no. NN517381336.  ... 
doi:10.1109/glocom.2010.5684277 dblp:conf/globecom/Kosek-SzottNP10 fatcat:ejlqv4ozizee5mttfhnu4wfgwu

An Adaptive IEEE 802.11 MAC in Multihop Wireless Ad Hoc Networks Considering Large Interference Range [chapter]

Tzu-Chieh Tsai, Chien-Ming Tu
2004 Lecture Notes in Computer Science  
of IEEE 802.11 RTS/CTS handshake to dynamically adjust the transmission and reception according to the shared medium status near transmitter and receiver, respectively.  ...  In this paper, we focus on the collisions caused by the existence of large interference range in multihop wireless ad hoc networks and propose an adaptive IEEE 802.11 MAC (AMAC) that makes two simple modifications  ...  The RTS/CTS Handshake in IEEE 802.11 MAC The main task of a MAC is to avoid collisions.  ... 
doi:10.1007/978-3-540-24614-5_7 fatcat:d2opj5weaje3be2ua7mucr532e

Performance Comparison for Omnidirectional and Directional MAC Protocols for Ad hoc Network

Asrar AhmadAnsari, Zafrul Hasan, Khwaja Mohammad Athar Siddique, Md. Jahangeer Alam
2013 International Journal of Computer Applications  
MAC protocols Keywords WLAN, Ad hoc Networks, IEEE 802.11, directional MAC, hidden terminal problem, exposed node problem.  ...  In ad hoc networks, traditional MAC protocols used omnidirectional antennas. But these days directional antennas have emerged as an alternative of omnidirectional antenna.  ...  IEEE 802.11 DCF The IEEE 802.11 [5] MAC protocol is the most widely used protocol In wireless ad hoc networks.  ... 
doi:10.5120/12193-8293 fatcat:i5ditug7wzfalhh4ie2h3dqxzi

A new busy signal-based MAC protocol supporting QoS for ad-hoc networks with hidden nodes

Katarzyna Kosek-Szott, Marek Natkaniec, Andrzej R. Pach
2012 Wireless networks  
This article presents three versions of a novel MAC protocol for IEEE 802.11 ad-hoc networks called Busy Signal-based Mechanism turned On (BusySiMOn) (This is an extended version of our conference paper  ...  Simulation results obtained for saturated and non-saturated network conditions emphasize the advantages of the new protocol over the currently used four-way handshake mechanism in terms of fairness, throughput  ...  However, as it was shown in [13] , the effectiveness of the four-way handshake is insufficient to provide appropriate service differentiation in EDCA-based ad-hoc networks.  ... 
doi:10.1007/s11276-012-0523-3 fatcat:fl2ddgi4tjclnoq2vtrt7zvzcu
« Previous Showing results 1 — 15 out of 1,449 results