This paper refers the problem of deafness that
arise while MAC protocols are intended by using directional
antennas. In brief, problem of Deafness is caused while two
nodes are active in current communication and a different
node (Deaf Node) requests to converse with one of these
active nodes. But it gets no reply because transmission of two
nodes is in process. This term paper proposes DRDMAC
(Deafness Removal for Directional MAC ) to defeat the
problem of deafness. In DRDMAC, NCTS (Negative CTS)
packets are transmitted by the transmitter node and the
node receiver subsequent to the booming the exchange of
RTS (Request To Send) frames and CTS (Clear To Send)
frames are directionally to advise the current statement to
prospective source node that may experience problem of
deafness. We estimate our protocol during a broad
simulation study with different values of parameters such as
the number of flow and number of RTS packet
retransmission. The experimental outcome shows to facilitate
DRDMAC outperforms offered directional MAC protocols,
such as D-MAC and Traditional IEEE Protocols.
Gopal Singh Bhadoriya : received his
B.E. degree in computer science from
GITS, Gwalior in 2012. He is currently
pursuing M.Tech from ITM University,
Gwalior. His research interest includes
protocols and solve the deafness problem as
well as other issues of Ad-hoc Networks.
Reena Chauhan : is working as Asst. professor
in Department of computer science, ITM
University Gwalior. She received her B.E.
from ITM Universe, Gwalior and She
completed M.Tech from LNCT Bhopal.
Ad Hoc Network, Medium Access Control,
Directional Antenna.
This paper has focused on problem of deafness that may
concern the show of the MAC protocols for wireless ad
hoc network using the directional antennas, and proposed
DRDMAC to hold the problem of deafness problem. In DRDMAC, the NCTS Packets are transmitted by the
source node or the receiver node (only when they
receives RTS frame from any potential transmitter),
subsequent to the doing well replace of the directional
RTS and CTS frames to report the continuing statement
to prospective transmitters node that may experience
deafness problem. The experimental result shows that
New DRDMAC protocol improves overall the concert of
network capacity and provides effectively handling of the
network traffic. It should be noted that wireless Ad hoc
wireless is a dynamically changing scenario therefore the
final performance depends on network topologies, and
flow patterns in the network.
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