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IMPROVING THE NETWORK LIFETIME OF MANETS
THROUGH COOPERATIVE MAC PROTOCOL DESIGN
TAMILNADU
Abstract:
Cooperative communication, which utilizes nearby terminals to relay the overhearing
information to achieve the diversity gains, has a great potential to improve the transmitting
efficiency in wireless networks. To deal with the complicated medium access interactions
induced by relaying and leverage the benefits of such cooperation, an efficient Cooperative
Medium Access Control (CMAC) protocol is needed. Also propose a novel cross-layer
distributed energy adaptive location-based CMAC protocol, namely DEL-CMAC, for Mobile
Ad-hoc Networks (MANETs). The design objective of DEL-CMAC is to improve the
performance of the MANETs in terms of network lifetime and energy efficiency. A practical
energy consumption model is utilized in this paper, which takes the energy consumption on both
transceiver circuitry and transmit amplifier into account. A distributed utility-based best relay
selection strategy is incorporated, which selects the best relay based on location information and
residual energy.
Introduction:
A Mobile Ad-hoc Network (MANET) is a self-configured network of mobile terminals
connected by wireless links. Mobile terminals such as cell phones, portable gaming devices,
personal digital assistants, (PDAs) and tablets all have wireless networking capabilities. By
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com
participating in MANETs, these terminals may reach the Internet when they are not in the range
of Wi-Fi access points or cellular base stations, or communicate with each other when no
networking infrastructure is available. MANETs can also be utilized in the disaster rescue and
recovery. One primary issue with continuous participation in MANETs is the network lifetime,
because the aforementioned wireless terminals are battery powered, and energy is a scarce
resource.
Cooperative communication (CC) is a promising technique for conserving the energy
consumption in MANETs. The broadcast nature of the wireless medium (the so-called wireless
broadcast advantage) is exploited in cooperative fashion.
A distributed CMAC protocol has been proposed to improve the lifetime of wireless
sensor networks, but it is based on the assumption that every node can connect to the base station
within one hop, which is impractical for most applications.
Existing System:
The existing CMAC protocols mainly focus on the throughput enhancement while failing
to investigate the energy efficiency or network lifetime. While the works on energy efficiency
and network lifetime generally fixates on physical layer or network layer. Our work focuses on
the MAC layer, and is distinguished from previous protocols by considering a practical energy
model with the goal to enhance energy efficiency and extend network lifetime.
Disadvantages:




Physical layer cooperation may not improve end-to-end performance.
Life time of mobile nodes is moderate over the network.


Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com







Optimization problem arises due to, the mobility of the nodes.

Connection establishment is not secure.
Node link failure while communication.
Data loss occurs at intermediate relays.



Proposed System:
A multi-hop MANET with randomly deployed mobile terminals is considered, where all
terminals have the capability to relay. To come up with a reasonable system model, we assume
that data connections among terminals are randomly generated and the routes are established by
running Ad hoc On-demand Distance Vector (AODV) which is a widely used conventional
routing protocol for MANETs.
There are two types of relay terminals in our network, i.e., routing relay terminals and
cooperative relay terminals. In the system model, AODV builds the route in a proactive manner
by selecting the routing relay terminals firstly. When a route is established, DEL-CMAC initiates
the cooperation in a hop-by-hop manner by selecting the cooperative relay terminals.
The source and destination terminals are referred to the terminals at MAC layer, and the
relay terminals indicate the cooperative relay terminals. The objective of prolonging the network
lifetime and increasing the energy efficiency, we present a novel CMAC protocol, namely DELCMAC, for multi-hop MANETs. When cooperative relaying is involved, the channel reservation
needs to be extended in both space and time in order to coordinate transmissions at the relay.
Advantages:
Our scheme is to extend,


The network lifetime and increasing the energy efficiency, 
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com




The transmitting power, 

Total energy consumption, 

Network lifetime, 

Aggregated throughput and average delay. 
SYSTEM REQUIREMENTS:
HARDWARE REQUIREMENTS:
 System
:
Pentium IV 2.4 GHz.
 Hard Disk
:
40 GB.
 Floppy Drive
:
1.44 Mb.
 Monitor
:
15 VGA Colour.
 Mouse
:
Logitech.
 Ram
:
512 Mb.
SOFTWARE REQUIREMENTS:
 Operating system :
Windows XP-SP3
 Coding Language :
ASP.net, C#.net
 Tool
:
Visual Studio
 Database
:
SQL SERVER
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com
DEVELOPMENTS
WE OFFER IEEE PROJECTS MCA FINAL YEAR STUDENT PROJECTS, ENGINEERING PROJECTS AND
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Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com
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WE OFFER IEEE PROJECTS MCA FINAL YEAR STUDENT PROJECTS, ENGINEERING PROJECTS AND
TRAINING, PHP PROJECTS, JAVA AND J2EE PROJECTS, ASP.NET PROJECTS, NS2 PROJECTS, MATLAB
PROJECTS AND IPT TRAINING IN RAJAPALAYAM, VIRUDHUNAGAR DISTRICTS, AND TAMILNADU.
CELL: +91 888-379-0633 | +91 979-000-9190
Mail to: kitechsolutions.in@gmail.com
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com
Ki-Tech Solutions
IEEE PROJECTS DEVELOPMENTS
WE OFFER IEEE PROJECTS MCA FINAL YEAR STUDENT PROJECTS, ENGINEERING PROJECTS AND
TRAINING, PHP PROJECTS, JAVA AND J2EE PROJECTS, ASP.NET PROJECTS, NS2 PROJECTS, MATLAB
PROJECTS AND IPT TRAINING IN RAJAPALAYAM, VIRUDHUNAGAR DISTRICTS, AND TAMILNADU.
CELL: +91 888-379-0633 | +91 979-000-9190
Mail to: kitechsolutions.in@gmail.com
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com
DEVELOPMENTS
WE OFFER IEEE PROJECTS MCA FINAL YEAR STUDENT PROJECTS, ENGINEERING PROJECTS AND
TRAINING, PHP PROJECTS, JAVA AND J2EE PROJECTS, ASP.NET PROJECTS, NS2 PROJECTS, MATLAB
PROJECTS AND IPT TRAINING IN RAJAPALAYAM, VIRUDHUNAGAR DISTRICTS, AND TAMILNADU.
CELL: +91 888-379-0633 | +91 979-000-9190
Mail to: kitechsolutions.in@gmail.com
Further Details Contact: A Vinay 9030333433, 08772261612
Email: info@takeoffprojects.com | www.takeoffprojects.com