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Rajanarayanan, S.
- Energy Efficient Radio Access Technologies and Networking Wireless Access Network
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1 Department of Computer Science Engineering, Arba Minch University, ET
2 Department of Business and Information Technology, Arba Minch University, ET
3 Department of Computer Science Engineering, Hanseo University, KR
1 Department of Computer Science Engineering, Arba Minch University, ET
2 Department of Business and Information Technology, Arba Minch University, ET
3 Department of Computer Science Engineering, Hanseo University, KR
Source
ICTACT Journal on Communication Technology, Vol 9, No 3 (2018), Pagination: 1846-1857Abstract
LEACH (Low Energy Adaptive Clustering Hierarchy) is the first network protocol that uses hierarchical routing for Wireless Sensor Networks (WSN) to increase the life time of network. Research on WSN has recently received much attention as they offer an advantage of monitoring various kinds of environment by sensing physical phenomenon, such as in-hospitable terrain, it is expected that suddenly active to gather the required data for some times when something is detected, and then remaining largely inactive for long periods of time. So, efficient energy saving schemes and corresponding algorithms must be developed and designed in order to provide reasonable energy consumption and to improve the network lifetime for WSN. WSN are networks consist of large number of tiny battery powered sensor nodes having limited on-board storage, processing, and radio capabilities. Nodes sense and send their reports toward a processing center which is called sink node or Base Station (BS). Since the transmission and reception process consumes lots of energy for data dispensation, it is necessary to designing protocols and applications for such networks has to be energy aware in order to prolong the lifetime of the network. The proposed, LEACH-PR (Low Energy Adaptive Clustering Hierarchy - Power Resourceful) protocol includes clustering, routing and radio propagation technique by balancing the energy consumption of sensor nodes to improve the efficiency of data transmission and prolonging the network lifetime. The goals of this scheme are, increase the stability period of network, and minimize the energy consumption. The performance analysis of proposed LEACH-PR is compared with I-LEACH (Improved LEACH), EHE-LEACH (Enhanced Heterogeneous LEACH), and EEM-LEACH (Energy Efficient Multi-hop LEACH) protocols and concluded that, the LEACH-PR has significant improvement over in terms of lifetime of network, both in homogeneous and heterogeneous environments.Keywords
LEACH, Network Lifetime, Wireless Sensor Networks, Radio Capabilities.References
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- Analysis of Link Utilization Using Traffic Engineering Technique in Data Center Network
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Authors
Affiliations
1 Department of Business Administration and Information Systems, Arba Minch University, ET
1 Department of Business Administration and Information Systems, Arba Minch University, ET
Source
ICTACT Journal on Communication Technology, Vol 10, No 4 (2019), Pagination: 2079-2083Abstract
Data center networks are driven by intensive application like data mining, web searching and cloud computing. Nowadays, topologies in data center networks applied multi-ischolar_mained tree like Canonical Tree, and Fat-Tree. In multipath routing Equal cost multiple path (ECMP) forwarding is used in most of the current data center networks. However, it fails to increased path diversity. Modified data centric routing (DCR) algorithm in a data center environment based on the topologies such as canonical and fat-tree to increase the path diversity over unequal cost link. In proposed new algorithm to increase the link utilization ,efficient load balancing and the effects of increased packet reordering on application performance with MTCP and Packet scatter, can further reduce MLU, increase link utilization through DCR routing and better load balancing, finally increase the overall network performance.Keywords
Data Center Routing, Data Center Topology, Multipath Routing, Traffic Engineering.References
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