2012
DOI: 10.1155/2012/834784
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MAC Protocols Used by Wireless Sensor Networks and a General Method of Performance Evaluation

Abstract: Many researchers employ IEEE802.15.4 as communication technology for wireless sensor networks (WSNs). However, medium access control (MAC) layer requirements for communications in wireless sensor networks (WSNs) vary because the network is usually optimized for specific applications. Thus, one particular standard will hardly be suitable for every possible application. Two general categories of MAC techniques exist: contention based and schedule based. This paper explains these two main approaches and includes … Show more

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Cited by 77 publications
(45 citation statements)
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References 23 publications
(42 reference statements)
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“…Authors in [16] presented that if wireless sensor network enabling one radio in a node cannot support mobility in the network, and unable to transmit and receive data concurrently thus may result in higher delay and channel inefficiency. Authors also recommend that for random deployment of network topology (when the network topology is random) the contention-based (CSMA) approaches are helpful.…”
Section: Contention-based Mac Protocolmentioning
confidence: 99%
See 1 more Smart Citation
“…Authors in [16] presented that if wireless sensor network enabling one radio in a node cannot support mobility in the network, and unable to transmit and receive data concurrently thus may result in higher delay and channel inefficiency. Authors also recommend that for random deployment of network topology (when the network topology is random) the contention-based (CSMA) approaches are helpful.…”
Section: Contention-based Mac Protocolmentioning
confidence: 99%
“…The authors in [16] show that schedule-based or contention-free (TDMA) MAC approaches are more energy efficient and collision avoidance if deployed network topology is not random and synchronized. But, there is a significant scope of delay.…”
Section: Contention-free Mac Protocolmentioning
confidence: 99%
“…A solution that reduces energy waste of these five factors is the use of Time Division Multiple Access (TDMA) (Kabara and Calle, 2011), where the time is divided into slots, therefore is possible to establish some slots of activity and put the node to sleep during periods (slots time) of inactivity, reducing energy waste during the time of idle listening (factor 1).…”
Section: Introductionmentioning
confidence: 99%
“…One way to work with TDMA is using polling, especially for implementation in low cost hardware (Kabara and Calle, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…Radio is the major power consuming component of a sensor node which is controlled by the MAC protocol. The lifetime of a sensor network increases by using an energy efficient MAC protocol [3] [4]. An efficient MAC protocol can reduce collisions and improve throughput to great extent.…”
Section: Introductionmentioning
confidence: 99%