Genetic algorithm based network coding in wireless ad hoc networks

The main objective of this research is to maximize the throughput and minimize the energy consumption in wireless ad hoc networks with network coding by selecting a suitable route to destination. Packet's forwarding of the conventional store-and forward in an intermediate node is just storing t...

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Main Author: Tan, Shee Eng
Format: Thesis
Language:English
English
Published: 2013
Subjects:
Online Access:https://eprints.ums.edu.my/id/eprint/41820/1/24%20PAGES.pdf
https://eprints.ums.edu.my/id/eprint/41820/2/FULLTEXT.pdf
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spelling my-ums-ep.418202024-12-04T07:22:47Z Genetic algorithm based network coding in wireless ad hoc networks 2013 Tan, Shee Eng TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television The main objective of this research is to maximize the throughput and minimize the energy consumption in wireless ad hoc networks with network coding by selecting a suitable route to destination. Packet's forwarding of the conventional store-and forward in an intermediate node is just storing the received packets and then forwarding the same packet without doing any additional processing to the packets. In the intermediate node of network coding (NC), instead of store then forward data packets, the nodes in NC can perform additional function by encoding several packets into a single coded packet, and then transmit the coded packet to respective destinations simultaneously. Wireless network simulation is used to demonstrate and assess the implementation of network coding in wireless ad hoc networks. Every destination node will decode the coded packet to get the intended packet. Results show that the network coding transfers the packets 13.64% faster than store-and-forward method. However, the chances to perform network coding in wireless ad hoc networks are limited if the path of packet does not flow through potential network coding nodes. Therefore, coding-aware routing is important to explore the data traffic flows with more network coding opportunities. Genetic algorithm based coding-aware routing (GACAR) is embedded in the wireless ad hoc network with network coding capabilities to search for coding opportunities for unicast sessions. In this work, an adaptive genetic algorithm based coding-aware routing (AGACAR) is also proposed to improve the solution on the GACAR. Evaluation and assessments have been carried out through various simulations under different network topologies, and it shows that AGACAR provides better coding opportunities and reduces energy consumption in the network. The expected transmissions count metric (ETX) for AGACAR is 22.27% fewer than store-and-forward and 16.33% fewer than network coding in wireless network transmission and forwarding structure COPE). 2013 Thesis https://eprints.ums.edu.my/id/eprint/41820/ https://eprints.ums.edu.my/id/eprint/41820/1/24%20PAGES.pdf text en public https://eprints.ums.edu.my/id/eprint/41820/2/FULLTEXT.pdf text en validuser masters Universiti Malaysia Sabah School of Engineering and Information Technology
institution Universiti Malaysia Sabah
collection UMS Institutional Repository
language English
English
topic TK5101-6720 Telecommunication Including telegraphy
telephone
radio
radar
television
spellingShingle TK5101-6720 Telecommunication Including telegraphy
telephone
radio
radar
television
Tan, Shee Eng
Genetic algorithm based network coding in wireless ad hoc networks
description The main objective of this research is to maximize the throughput and minimize the energy consumption in wireless ad hoc networks with network coding by selecting a suitable route to destination. Packet's forwarding of the conventional store-and forward in an intermediate node is just storing the received packets and then forwarding the same packet without doing any additional processing to the packets. In the intermediate node of network coding (NC), instead of store then forward data packets, the nodes in NC can perform additional function by encoding several packets into a single coded packet, and then transmit the coded packet to respective destinations simultaneously. Wireless network simulation is used to demonstrate and assess the implementation of network coding in wireless ad hoc networks. Every destination node will decode the coded packet to get the intended packet. Results show that the network coding transfers the packets 13.64% faster than store-and-forward method. However, the chances to perform network coding in wireless ad hoc networks are limited if the path of packet does not flow through potential network coding nodes. Therefore, coding-aware routing is important to explore the data traffic flows with more network coding opportunities. Genetic algorithm based coding-aware routing (GACAR) is embedded in the wireless ad hoc network with network coding capabilities to search for coding opportunities for unicast sessions. In this work, an adaptive genetic algorithm based coding-aware routing (AGACAR) is also proposed to improve the solution on the GACAR. Evaluation and assessments have been carried out through various simulations under different network topologies, and it shows that AGACAR provides better coding opportunities and reduces energy consumption in the network. The expected transmissions count metric (ETX) for AGACAR is 22.27% fewer than store-and-forward and 16.33% fewer than network coding in wireless network transmission and forwarding structure COPE).
format Thesis
qualification_level Master's degree
author Tan, Shee Eng
author_facet Tan, Shee Eng
author_sort Tan, Shee Eng
title Genetic algorithm based network coding in wireless ad hoc networks
title_short Genetic algorithm based network coding in wireless ad hoc networks
title_full Genetic algorithm based network coding in wireless ad hoc networks
title_fullStr Genetic algorithm based network coding in wireless ad hoc networks
title_full_unstemmed Genetic algorithm based network coding in wireless ad hoc networks
title_sort genetic algorithm based network coding in wireless ad hoc networks
granting_institution Universiti Malaysia Sabah
granting_department School of Engineering and Information Technology
publishDate 2013
url https://eprints.ums.edu.my/id/eprint/41820/1/24%20PAGES.pdf
https://eprints.ums.edu.my/id/eprint/41820/2/FULLTEXT.pdf
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