An Efficient Routing Protocol for Mobile Ad Hoc Network for Secured Communication and Minimized Power Consumption

International Journal on AdHoc Networking Systems (IJANS) Vol. 3, No. 2, April 2013
DOI : 10.5121/ijans.2013.3201 1
AN EFFICIENT ROUTING PROTOCOL FOR
MOBILE AD HOC NETWORK FOR SECURED
COMMUNICATION AND MINIMIZED POWER
CONSUMPTION
Ms.Shilpa Pagnis, Prof. Ajit Kumar Shrivastava
undefined.shilpapagnis@gmail.com,ajitshrivastava@rediffmail.com
Department of Computer Science & Engineering TRUBA, Bhopal, India
ABSTRACT:
Security and reliable communication is challenging task in mobile Ad Hoc network. Through mobility of
network device compromised with attack and loss of data. For the prevention of attack and reliable
communication, various authors proposed a method of secured routing protocol such as SAODV and SBRP
(secured backup routing protocol). The process of these methods work along with route discovery and
route maintains, discovery and route maintained needed more power consumption for that process. The
power of devices is decrease during such process and network lifetimes expire. In this paper, we modified
the secured stateless protocol for secured routing and minimized the utilization of power during path
discovering and establishment. For the authentication of group node used group signature technique and
sleep mode threshold concept for power minimization. Our proposed technique is simulated in ns-2 and
compare to other routing protocol gives a better performance in comparison to energy consumption and
throughput of network.
KEYWORDS:
Adhoc network, secured routing, power, path maintained
1. INTRODUCTION
A Mobile Ad Hoc Network (also called MANET) is a collection of portable devices that establish
communication without the help of any infrastructure or established communication backbone [1].
Furthermore, Mobile Ad hoc networks- Do not need backbone infrastructure support, Are easy to
deploy, Useful when infrastructure is absent, destroyed or impractical also MANET is used many
applications, such as, Military environments, Soldiers, tanks, planes, taxi cab network, Emergency
operations, search, rescue, policing etc. Each device in a MANET is free to move independently in
any direction, therefore change its links to other devices over and over again. Characteristics of
mobile ad-hoc network are self-organizing, multi-hopping, mobility, scalability, security, energy
conversation and autonomous devises which makes MANET suitable for up-coming needs also
adds complexity to the protocols to be design. The major challenge in building a MANET is

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equipping each device to continuously maintain the information required to properly route load.
Multicasting is a type of delivering messages from one node to set of nodes simultaneously in
efficient manner [10]. In the multicasting process the message is transmitted only once (no
retransmission) over the network and is duplicated only at the branch point. It reduces the
bandwidth consumption in network, which is possible in videoconferencing and distributed
gaming like environment, where the same channel is accessed by many users. The protocols used
in multicasting can be categorized in two types 1) Source Based Multicasting Protocols (ADMR,
MAODV) and 2) Mesh Based Multicasting Protocols (ODMRP, CAMP)[12]. During
transmission messages can be stolen and altered or services disruption is also possible in the
network; which is called attack. There are many types of attack: 1) Active attack where intention
is to alter the information and make the network overload, 2) Passive attack where intention is to
steal the message and eavesdrop on the communication, 3) Impression attack which is also
known as spoofing where attacker assumes the identity of another node in the network, so that
receiving messages directed to the node it fakes, 4) Sinkhole attack where a compromised node
tries to attract the data to itself from all neighboring nodes using loopholes in routing algorithms
and 5) Wormholes attacks where a malicious node uses a path outside the network to route
messages to another compromised node at some other location in the network Transmitter [16].
The rest of paper is organized as follows. In Section II, related work III proposed model. In
section IV simulation and result analysis. Results followed by a conclusion in Section V
2. RELATED WORK
In this section we discuss related work in the field of malicious attack in adhoc and wireless
network in concern of security and power utilization. Patroklosg ,Argyroudis and Donalo Mahony
entitled “secure routing for mobile ad hoc networks. The assumption of a trusted environment is
not one that can be realistically expected; hence, several efforts have been made toward the
design of a secure and robust routing protocol for ad hoc networks. Although the authors mention
challenges such as quality of service support and location-aided and power-aware routing
approaches, there is no mention of security considerations. Kejun Liu, Jing Deng, Pramod K.
Varshney and Kashyap Balakrishnan entitled “An Acknowledgment-Based Approach for the
Detection of Routing Misbehavior in manets” 2ACK scheme that serves as an add-on technique
for routing schemes to detect routing misbehavior and to mitigate their adverse effect is proposed
[2]. The main idea of the 2ACK scheme is to send two-hop acknowledgment packets in the
opposite direction of the routing path. In order to reduce additional routing overhead, only a
fraction of the received data packets are acknowledged in the 2ACK scheme. Zonghua Zhang,
Farid Nait-Abdesselam, Pin-Han Ho and Xiaodong Lin entitled “RADAR: a Reputation-based
Scheme for Detecting Anomalous Nodes in Wireless Mesh Networks” a novel anomaly detection
scheme, called RADAR, to detect anomalous mesh nodes in wireless mesh network is proposed
[3]. RADAR scheme provides features for evaluate each node’s behavior by abstracting and
examining appropriate observations using reputation and captures the node’s behavior drifts in
terms of reputation by exploring their temporal and spatial properties respectively. Soufine
Djahel, Farid Na¨ıt-Abdesselam and Ashfaq Khokhar entitled “An Acknowledgment-Based
Scheme to Defend Against Cooperative Black Hole Attacks in Optimized Link State Routing
Protocol” a problem of cooperative black hole attack is proposed [4]. Cooperative black hole
attack results in dramatic disruption of the network performance. An acknowledgment based
scheme to detect malicious nodes and isolate them from the forwarding process is proposed by
the author. Hidehisa Nakayama, Satoshi Kurosawa, Abbas Jamalipour,Yoshiaki Nemoto and Nei

3
Kato entitled “A Dynamic Anomaly Detection Scheme for AODV-Based Mobile Ad Hoc
Networks” a new anomaly-detection scheme based on a dynamic learning process that allows the
training data to be updated at particular time intervals is proposed [5]. This dynamic learning
process calculates the projection distances based on multidimensional statistics using weighted
coefficients and a forgetting curve. Zhengming Li, Chunxiao Chigan and Danniel Wong entitled
“AWF-NA: A Complete Solution for Tampered Packet Detection in VANETS” a novel scheme
called Autonomous Watchdog Formation is proposed [6]. Autonomous Watchdog Formation is
enabled by 2-hop Neighborhood Awareness (AWF-NA), to ensure nodes automatically
functioning as watchdogs to monitor the behaviors of the relaying nodes.[7] et.at. In packet
dropping attack is a node denies to corporate or forwards each other’s packet to save its resources
or disrupt the communication. [8]Trust is a degree of belief about behavior of a particular entity.
Author suggests various design concepts to develop a MANET trust management system.
Suggestions include that trust metric must have unique properties of trust, a trust management
design must support cognitive functionality for each node to achieve adaptability to changing
network conditions, a trust management system should be situation specific or situation aware, a
trust management design must allow optimal settings to be identified under various network and
environmental conditions so as to maximize the overall trust of the sys-tem for successful mission
executions.
3. MODIFIED SECURED ROUTING PROTOCOL
The secured routing protocol play important role in mobile ad hoc network. Secured routing
protocol defended the attack such as worm whole attack, black hole attack and other internal and
external attack. In modification of on-demand routing protocol for prevention of attack, various
author are proposed a method such as EAODV (Enhanced on demand distance vector routing
protocol) and SBRP (secured backup routing protocol).SBRP is very efficient protocol for
secured communication in ad hoc network[19]. The process of Secured backup routing protocol
executes in three phase. (1) Secured route discovery across the node (2) backup node setup (3)
route maintenance across the node. The secured process takes time for execution of process of
SBRP protocol. The process of SBRP protocol are not energy efficient, but it is secured protocol
against external and internal attack of ad hoc network. The process of activation of SBRP
protocol divided into three groups for energy saving mode such one is sleep mode, transit mode
and active mode of action of node. For the reduction of power consumption, we modified the
activation process of control message protocol according to sleep mode, transit state and active
mode. The modified protocol acquired the process of thresholds priority Oder on the basic of
neighbor’s node. The selection of neighbor node deepens on the mode operation in three sections.
According to order of state create cluster of priority of group. After creation of group calculate
average threshold value, compare each group value with minimum threshold value, and pass the
control message for communication. Through this process mode of activation, state of node is
minimized the time of route establishment and maintenance. The selection of proper node in
minimum time and other node in sleep mode the consumption of power is reduces. We modified
SBRP protocol for selection of node during on demand request node according to sleep and
activation mode of communication. Each node locally assigned priority value of node. .
P=∑ , + 1 is the power of selected node.The number of nodes in a group called the
activation group of node and denoted by GA. Having the same group at all nodes ensures that
same average thresholds value. The node neighbors a and b are unaware that they have selected

4
by thresholds value. Having observed a collision in its local time t, node w transmits at time
t+GA, creating spurious thresholds with both a and b. the process block diagram is given below.
Protocol steps for modified control message protocol
• Initialized node state
• Initial selection value is set 0
• Calculate the power of energy of selected node for request as
P=∑ , + 1 here the group of node is M-1 and node selection is 0 to M.
If Power of node is minimum Pi then selected group of activation
• Create group activation phase
• GAi[t]←0,t=0.....GA-1
• ti←0 single node in network
• now selection of single node in group node calculate total power of Transceiving power
as = ∑ ( , + 1 + ) for selection of active node for calculating a neighbor
threshold as
• Tval= −
• If value of Tval is less than selected node power value then selected lower power node as
master
• If node=0 then
• Select ←Random(0....gGA-1)
• Send control message
• If not priority group then
• If send any group of priority at transmitter then
• node←0
• else if node ++≥1/priority node then
• node ←active mode
Select Random Node at
Sleep mode
Calculate Average
Threshold Value
Compare Listener
Value
Transmit Control
Message
Check
Control
Message
Compare Priority of
Message

5
4. SIMULATION AND RESULT ANALYSIS:-
For the effectiveness of our proposed model simulate in discrete network simulator ns-2, and used
some standard parameter for performance analysis.
Parameter Value
Simulation duration 100 sec
Simulation area 1000*1000
Number of mobile node 25
Traffic type Cbr(udp)
Packet rate 4 packet/sec
Abnormal node 2
Host pause time 10sec
Table 1 shows the simulation parameter of our network
Performance Parameter:-
Throughput: It gives the fraction of the channel capacity used for useful transmission (Data
packets correctly delivered to the destination) and is defined as the total number of packets
received by the destination. It is in fact a measure of the effectiveness of a routing protocol [14].
Average end-to-end delay: This includes all possible delays caused by buffering during route
discovery latency, queuing at the interface queue, retransmission delays at the MAC, and
propagation and transfer times[7].
Packet delivery fraction: The ratio of the data packets delivered to the destinations to those
generated by the traffic sources [10]

6
Fig.1 shows that throughput of our network simulation in given scenario for both protocol SBP and modified
SBP protocol. Throughput is calculated on the biases of packet delivery ratio to source to destination mobile
node.
.
Fig.2 shows that the energy variation in both protocol SBP and Modified SBP routing protocol for given
network parameter. The analysis of energy model gives a information about lifetime of network in given
time duration. The modified SBP routing protocol increase life time of network.
5. CONCLUSION
In this paper we modified the secured stateless protocol for secured routing and minimized the
utilization of power during path discovering and establishment. For the authentication of group
node used group signature technique and sleep mode threshold concept for power minimization.
The proposed algorithm divide node in two states sleep mode and active mode. The process of
going node sleep to active mode calculates priority of all sleep node and compare with arithmetic
mean of threshold. The value of sleep mode greater and equal to threshold thus acts as master

7
node in group. In this fashion the utilization of power minimized on time of group
communication. Our experimental result shows maximum life time network in comparison to
SBRP routing protocol. In future we also improved the key authentication mechanism in group
communication.
ACKNOWLEDGEMENT
The author would like to acknowledge Prof.Ajit Shrivastava and Prof.Amit Saxena for their
valuable discussions and suggestions.
REFERENCES
[1] Patroklosg. Argyroudis AND Donalo’Mahony “secure routing for mobile ad hoc networks” in IEEE
Communication, 2005.
[2] Kejun Liu, Jing Deng, Pramod K. Varshney and Kashyap Balakrishnan “An Acknowledgment-Based
Approach for the Detection of Routing Misbehavior in MANETs” in IEEE Transaction, 2007.
[3] Zonghua Zhang, Farid Nait-Abdesselam, Pin-Han Ho and Xiaodong Lin “RADAR:aReputAtion-
based Scheme for Detecting Anomalous Nodes in WiReless Mesh Networks” in IEEE
Communications Society, 2008.
[4] Soufine Djahel, Farid Na¨ıt-Abdesselam and Ashfaq Khokhar “An Acknowledgment-Based Scheme
to Defend Against Cooperative Black Hole Attacks in Optimized Link State Routing Protocol” in
IEEE Communications Society, 2008.
[5] Hidehisa Nakayama, Satoshi Kurosawa, Abbas Jamalipour,Yoshiaki Nemoto and Nei Kato “A
Dynamic Anomaly Detection Scheme for AODV-Based Mobile Ad Hoc Networks” in IEEE
Transactions On Vehicular Technology, 2009.
[6] Zhengming Li, Chunxiao Chigan and Danniel Wong “AWF-NA: A Complete Solution for Tampered
Packet Detection in VANETs” in IEEE Communications Society, 2008.
[7] Soufiene Djahel, Farid Nait-abdesselam and Zonghua Zhang “Mitigating Packet Dropping Problem in
Mobile Ad Hoc Networks: Proposals and Challenges” in IEEE Communications Surveys, 2011.
[8] Jin-Hee Cho, Ananthram Swami and Ing-Ray Chen “A Survey on Trust Management for Mobile Ad
Hoc Networks” in IEEE Communications Surveys, 2011.
[9] Jian-Ming Chang, Po-Chun Tsou, Han-Chieh Chao and Jiann-Liang Chen “CBDS: A Cooperative
Bait Detection Scheme to Prevent Malicious Node for MANET Based on Hybrid Defense
Architecture” in IEEE Transaction, 2011.
[10] Ian F. Akyildiz, Xudong Wang and Weilin Wang “Wireless mesh networks: a survey” in Science
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[11] E.A.Mary Anita, V.Thulasi Bai, E.L.Kiran Raj and B.Prabhu “Defending against Worm Hole Attacks
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[12] Jin Xu “Multicast in Wireless Mesh Networks” in IEEE Transaction.
[13] Capkun S., Buttyan L. and Hubaux J. “SECTOR: Secure Tracking of Node Encounters in Multi-hop
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[14] Chiu H. S, Lui K. S. “DelPHI: Wormhole Detection Mechanism for Ad Hoc Wireless Networks”, In
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[16] Hu Y-C., Perrig A. and Johnson D.B “Packet Leashes: A Defense against Wormhole Attacks in
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[17] Hu L., Evans D. “Using Directional Antennas to Prevent Wormhole Attacks” in Proceedings of the
11th Network and Distributed System Security Symposium, 2003.

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[18] Khalil I., Bagchi S. and Shroff N.B. “LITEWORP: A Lightweight Countermeasure for the Wormhole
Attack in Multihop Wireless Networks” in International Conference on Dependable Systems and
Networks, 2005.
[19] G. Lavanya, C.Kumar and A. Rex Macedo Arokiaraj” Secured Back up Routing Protocol for Adhoc
Networks” International Journal of Computer Theory and Engineering, Vol. 2, No. 4, August, 2010
AUTHORS
Ajit Kumar Shrivastava received the BE degree in computers from University of
Pune, in 1997, and the M.Tech degree in computer science & engineering from Rajiv
Gandhi Proudhyogiki Vishwavidyalaya in 2007. Pursuing Ph.D. from Mewar
University, Chhittaurgarh, Rajasthan, INDIA. He is currently an associate professor
in the Department of Computer Science at TRUBA Institute of Engineering and
Information Technology, Bhopal (M.P.), INDIA. His recent research activities focus
on theoretical issues in GreenIT, Image Processing, channel allocation algorithms in
cellular mobile networks.
Shilpa Pagnis received BE degree in Computer Science and Engineering with
Honors from RGPV University, Bhopal(M.P) in 2006.Presently pursuing M.tech
from RGPV University, Bhopal. Before Joining masters degree in 2008 she did job in
VNS Institute of Engineering and Technology for two years as aSenior Lecturer in
Department of Computer Science. Her interest is in the field of Adhoc Networks.

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