NDLI: QoS routing in wireless sensor networks

Content Provider	ACM Digital Library
Author	Uthra, R. Annie Raja, S V Kasmir
Copyright Year	2012
Abstract	A wireless sensor network (WSN) is a one made up of small sensing devices equipped with processors, memory, and short-range wireless communication. Sensor nodes, are autonomous nodes, which include smart dust sensors, motes and so on. They co-operatively monitor physical or environmental conditions and send the sensed data to the sink node. They differ from traditional computer networks due to resource constraints, unbalanced mixture traffic, data redundancy, network dynamics, and energy balance. These kinds of networks support a wide range of applications that have strong requirements to reduce end-to-end delay and losses during data transmissions. When large numbers of sensors are deployed in a sensor field and are active in transmitting the data, there is a possibility of congestion. Congestion may occur due to buffer overflow, channel contention, packet collision, a high data rate, many to one nature, and so on. This leads to packet loss which causes a decrease in throughput and lifetime. Maximum throughput, energy efficiency and minimum error rate can be achieved by minimizing the congestion. A number of quality of service (QoS) techniques has been developed to improve the quality of the network. This article gives an overview of existing QoS techniques and a parametric comparison made with recent developments. This article mainly concentrates on network congestion in WSN environment.
Starting Page	1
Ending Page	12
Page Count	12
File Format	PDF
ISSN	03600300
e-ISSN	15577341
DOI	10.1145/2379776.2379785
Journal	ACM Computing Surveys (CSUR)
Volume Number	45
Issue Number	1
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2012-12-07
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Congestion control Fault tolerance Multipath routing and throughput Packet loss
Content Type	Text
Resource Type	Article
Subject	Theoretical Computer Science Computer Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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