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Deafness: a MAC problem in ad hoc networks when using directional antennas

R.R. Choudhury, N.H. Vaidya
Proceedings of the 12th IEEE International Conference on Network Protocols, 2004. ICNP 2004.  
This paper addresses deafness -a problem that appears when MAC protocols are designed using directional antennas.  ...  Briefly, deafness is caused when a transmitter fails to communicate to its intended receiver, because the receiver is beamformed towards a direction away from the transmitter.  ...  A scenario illustrating the problem of deafness Fig. 3 . 3 An example scenario in multi-hop ad hoc networks. Fig. 4 . 4 Omnidirectional transmissions affect spatial reuse.  ... 
doi:10.1109/icnp.2004.1348118 dblp:conf/icnp/ChoudhuryV04 fatcat:imir6jktpnftnhoch2jypz7kza

Deafness Resilient MAC Protocol for Directional Communications

Jacir Luiz BORDIM, Koji NAKANO
2010 IEICE transactions on information and systems  
The main contribution of this work is to propose a Medium Access Control (MAC) scheme which aims to lessen the effects of deafness and hidden terminal problems in directional communications without precluding  ...  It is known that wireless ad hoc networks employing omnidirectional communications suffer from poor network throughput due to inefficient spatial reuse.  ...  Hence, switched beam antennas seems to be a feasible option as a first generation technology to be used in ad hoc networks.  ... 
doi:10.1587/transinf.e93.d.3243 fatcat:nsiycfc74ref3f6mxwmn47ippy

Mitigating Deafness in Multiple Beamforming Antennas

Vivek Jain, Dharma P. Agrawal
2006 2006 IEEE Sarnoff Symposium  
Deafness is considered as a major medium access problem arising due to directional communication in beamforming antennas.  ...  In this paper, we provide a novel algorithm for mitigating deafness (AMD) in such antennas.  ...  INTRODUCTION Traditional wireless ad hoc networks use omnidirectional antennas for communication, which adversely affects the network capacity in a multihop scenario because of poor spatial reuse [1]  ... 
doi:10.1109/sarnof.2006.4534749 fatcat:f6ojdzpdg5gkpgve6t2eckq7k4

A Receiver-Initiated Directional MAC Protocol for Handling Deafness in Ad Hoc Networks

Masanori Takata, Masaki Bandai, Takashi Watanabe
2006 2006 IEEE International Conference on Communications  
Recently, several MAC protocols using directional antennas, typically referred to as directional MAC protocols, have been proposed for wireless ad hoc networks.  ...  This paper proposes RI-DMAC (Receiver-Initiated Directional MAC) to address the issue of deafness in directional MAC protocols.  ...  Directional antennas have great potentials to deal with this problem, such as high spatial reuse and range extension, and several MAC protocols using directional antennas for ad hoc networks have been  ... 
doi:10.1109/icc.2006.255721 dblp:conf/icc/TakataBW06 fatcat:6gemgnehj5g6nbw4p3u5gwtcfm

On Wireless Ad Hoc Networks with Directional Antennas: Efficient Collision and Deafness Avoidance Mechanisms

Yihu Li, Ahmed Safwat
2008 EURASIP Journal on Wireless Communications and Networking  
Nevertheless, using directional antennas in wireless ad hoc networks introduces some serious challenges, the most critical of which are the deafness and hidden terminal problems.  ...  This paper also proposes a new MAC scheme, namely, directional MAC with deafness avoidance and collision avoidance (DMAC-DACA), to address both problems.  ...  Nevertheless, some serious problems, such as the deafness and hidden terminal problems, arise when directional antennas are used in wireless ad hoc networks.  ... 
doi:10.1155/2008/867465 fatcat:2xtqxi4rjvbxfhzpm46h3db4ma

A MAC Protocol with Directional Antennas for Deafness Avoidance in Ad Hoc Networks

Masanori Takata, Masaki Bandai, Takashi Watanabe
2007 IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference  
Directional antennas are expected to provide significant improvements over omni-directional antennas in wireless ad hoc networks.  ...  This paper proposes DMAC/DA (Directional MAC with Deafness Avoidance) to overcome the deafness problem.  ...  ACKNOWLEDGMENT This work is partly supported by a Grant-in-Aid for Scientific Research (A) (no. 17200003) from the Japan Society for the Promotion of Science (JSPS) and JSPS Research Fellowships for Young  ... 
doi:10.1109/glocom.2007.121 dblp:conf/globecom/TakataBW07 fatcat:gvpdswfxz5hqjhx2ldlkndaocy

Performance Evaluation of Directional MAC Protocols for Deafness Problem in Ad Hoc Networks

Masanori Takata, Masaki Bandai, Takashi Watanabe
2007 IPSJ Digital Courier  
Several directional MAC protocols for ad hoc networks using directional antennas have been proposed recently.  ...  In RI-DMAC, each node polls a potential deafness node using RTR (Ready To Receive) after the completion of every dialog.  ...  Therefore, several MAC protocols using directional antennas for ad hoc networks have been proposed recently.  ... 
doi:10.2197/ipsjdc.3.468 fatcat:uft3j56kuvavpmzb26mlmzvye4

New Deafness-Aware Mac Protocol for Directional Antennas in WANET'S

Nitesh Kaushik, Kavita Choudhary, Narendra Singh
2015 International Journal of Computer Applications  
A favorable technique is using directional antennas for highspeed wireless personal area networks and local.A new MAC protocol for wireless ad hoc networks which is referred to as New deafness-aware MAC  ...  Mainly Ad-hoc networks are suffering from hidden nodes(terminals) problem ,leading to the problem of the nodes which are hidden (terminals), which indicates to Spartan degradation in network throughput  ...  Adam, A. Hussain , K.S. Kwak, Neighbor initiated approach for avoiding deaf and hidden node problems in directional MAC protocol for ad-hoc networks, Wireless Networks 26 (10) (2012). [3] A.A.  ... 
doi:10.5120/ijca2015906557 fatcat:hljfs4grbjhevfw4iy7tvbr4su

Deafness-aware MAC protocol for directional antennas in wireless ad hoc networks

Woongsoo Na, Laihyuk Park, Sungrae Cho
2015 Ad hoc networks  
In this paper, we propose a new directional MAC protocol for wireless ad hoc networks that is referred to as deafness-aware MAC (DA-MAC).  ...  The use of directional antennas is a promising technique for the provision of high-speed wireless local and personal area networks such as IEEE 802.11ac, IEEE 802.11ad, and IEEE 802.15.3c.  ...  ., Deafness-aware MAC protocol for directional antennas in wireless ad hoc networks, Ad Hoc Netw. (2014), http://dx.doi.org/10.1016/j.adhoc.2014.08.005 If we employ multiple channels, the system throughput  ... 
doi:10.1016/j.adhoc.2014.08.005 fatcat:e4sk5swbjbgqlj5vgrjwtxyyju

Directional Pulse/Tone Based Channel Reservation with Deafness Avoidance

Lucas De M. Guimarães, Jacir L. Bordim
2013 CLEI Electronic Journal  
The use of directional antennas in support of ad hoc networks has been considered a promising alternative to improve spatial division multiple access and throughput.  ...  This work proposes a technique that enables channel reservation and mitigates deafness using pulse/tone signals in the context of directional communications.  ...  Hence, switched beam antennas seems to be a feasible option as a first generation technology to be used in ad hoc networks.  ... 
doi:10.19153/cleiej.16.3.1 fatcat:b6fsdjxdljfeflrqmtddx2lkza

MAC Protocol for Ad Hoc Networks Using Smart Antennas for Mitigating Hidden and Deafness Problems

Jing MA, Hiroo SEKIYA, Atsushi NAGASAKI, Nobuyoshi KOMURO, Shiro SAKATA
2012 IEICE transactions on communications  
Simulation results demonstrate the validity and effectiveness of the proposed protocol. key words: smart antennas, ad hoc networks, DMAC, pulse/tone  ...  We herein propose a MAC protocol for the smart antenna network, which applies pulse/tone exchange prior to the RTS/CTS handshake process.  ...  Introduction Ad hoc networks are next-generation networks without centralized control.  ... 
doi:10.1587/transcom.e95.b.3545 fatcat:2jo7ijkypngvtjx5gvhi6h2dsy

Minimizing the effect of deafness and hidden terminal problem in wireless ad hoc networks using directional antennas

Hrishikesh Gossain, Carlos Cordeiro, Dharma P. Agrawal
2006 Wireless Communications and Mobile Computing  
In this work we addresses the issue of deafness and hidden terminal problem in Mobile Ad Hoc Networks (MANETs) using directional antennas.  ...  To minimize these effects, we propose a MAC protocol for directional Antennas (MDA) 5 which employs a novel Enhanced Directional Network Allocation Vector (EDNAV) scheme and, and an efficient technique  ...  In this paper, we introduce a MAC protocol for Directional Antennas (MDA) for use in wireless ad hoc networks.  ... 
doi:10.1002/wcm.429 fatcat:ggfexslujzgabomnh76xfk2ztu

Addressing deafness and hidden terminal problem in directional antenna based wireless multi-hop networks

Anand Prabhu Subramanian, Samir R. Das
2008 Wireless networks  
We address deafness and directional hidden terminal problem that occur when MAC protocols are designed for directional antenna based wireless multi-hop networks.  ...  Deafness occurs when the transmitter fails to communicate to its intended receiver, because the receiver's antenna is oriented in a different direction.  ...  Recently, many researchers have started to use directional antenna for multi-hop ad hoc or mesh networks [3] [4] [6] [8] [11] , [12] [14] [15] .  ... 
doi:10.1007/s11276-008-0138-x fatcat:5wppohasfzbibadpwxda7enzte

Tone Dual-Channel MAC Protocol with Directional Antennas for Mobile Ad Hoc Networks

JeongWoo Jwa
2012 ETRI Journal  
In this letter, we propose a tone dual-channel MAC protocol with directional antennas to improve the throughput of mobile ad hoc networks.  ...  The directional medium access control (MAC) protocol improves the throughput of mobile ad hoc networks but has a deafness problem and requires location information for neighboring nodes.  ...  The use of an omnidirectional antenna in IEEE 802.11 leads to a poor throughput performance in multihop ad hoc networks.  ... 
doi:10.4218/etrij.12.0211.0122 fatcat:5kxpdvv33bfvzkhozw2pyccgly

Tone Dual-Channel MAC Protocol with Directional Antennas for Mobile Ad Hoc Networks

JeongWoo Jwa
2012 ETRI Journal  
In this letter, we propose a tone dual-channel MAC protocol with directional antennas to improve the throughput of mobile ad hoc networks.  ...  The directional medium access control (MAC) protocol improves the throughput of mobile ad hoc networks but has a deafness problem and requires location information for neighboring nodes.  ...  The use of an omnidirectional antenna in IEEE 802.11 leads to a poor throughput performance in multihop ad hoc networks.  ... 
doi:10.4218/etrij.11.0211.0122 fatcat:ejtswo4vpvaojlmvta5nyqsl5i
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