random access MAC protocols
Performance Analysis Of Random MAC Protocols In Wireless Mesh Network
... Figure 2.11 Classification of the multiple access protocols 15 Figure 2.12 Pure ALOHA (shaded slots indicate collisions) 17 Figure 2.13 Slotted ALOHA (shaded slots indicate collisions) 18 Figure 2.14 ...
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MAC Protocols for Optimal Information Retrieval Pattern in Sensor Networks with Mobile Access
... We consider a one-dimensional problem for simplicity, which can be extended to a two-dimensional setup. Taking both performance and implementation complexity into con- sideration, besides the optimal centralized ...
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A Comparative Analysis of MAC Protocols in MANET
... for random chosen period to time called backoff factors, which are counter down by backoff ...Multiple access means that multiple stations send and receive on the ...
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Modeling the Throughput of 1-persistent CSMA in Underwater Networks
... Multiple Access (CSMA) is a Medium Access Control (MAC) protocol based on random access with channel sensing prior to each ...first protocols to be tested in simple MAC ...
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Contention and TDMA based MAC wireless in scheduled and unscheduled settings
... how MAC protocols are classified; centralized and distributed ...yields random access protocols, hybrid access protocols and guaranteed access ...a random ...
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Service martingales : theory and applications to the delay analysis of random access protocols
... a MAC (bursty) channel: the sources are modelled using an existing arrival-martingale model, whereas the available service for the source at the shared channel is modelled using a novel service-martingale ...
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Performance Comparison for Omnidirectional and Directional MAC Protocols for Ad hoc Network
... Like IEEE 802.11 MAC, FAMA exploits both carrier sensing and virtual sensing. It combines non-persistent carrier sensing with the virtual sensing scheme of MACA, which is referred to as FAMA- NTR (FAMA ...
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Comparative Study Of Scheduled and unscheduled MAC Protocols in WSN
... network MAC protocols exist: scheduled protocols and unscheduled, or random, ...Scheduled MAC protocols attempt to organize nearby sensor nodes so their communications occur in ...
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A Sensing Error Aware MAC Protocol for Cognitive Radio Networks
... The important issue of QoS provisioning in CR networks has been studied only in a few papers [16– 24]. In [16], a game-theoretic framework is described for resource allocation for multimedia transmissions in spectrum ...
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An Analysis of Emotional Maturity of Adolescent students in relation to Parent-Child Interaction of Fazilka District (Punjab)
... medium access framework with various access modes and their entrance ...802.15.6 MAC layer can perform three assignment modes, which are reference point mode with super casing breaking points for ...
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Enhancing the energy efficiency of ultra wideband (UWB) based media access control (MAC) protocols in mobile ad hoc networks (MANETs) through the use of steerable directional antenna
... According to the Wireless World Research Forum (WWRF), studies have revealed that in recent years, for any organisation that is willing to enhance the potentiality of wireless devices, especially beyond third generation ...
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An Acoustic Sensor for Transmission in Under Water Environment
... The high dense of salty water, electromagnetic signals, optical signals and radio waves that can be transmitted for long distances in underwater and it can be scattered many ways. Due to this situation can be handled by ...
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Interference Minimization in TDMA MAC Protocols for WSNs
... Abstract: This paper presents an analysis of the impact of shadow fading on the performance of TDMA slot allocation, with latter being calculated in terms of the resultant in-network interference versus spatial ...
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Directional MAC Protocols in Ad Hoc Networks
... Medium Access Control (MAC) protocols fail to exploit the potential benefits due to the unique characteristics of wireless ad-hoc networks with beam forming ...Medium Access Control ...
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Wireless Sensor Networks: A Comprehensive Comparison of Routing Protocols and Energy Efficient Techniques
... routing protocols and techniques under which these sensor networks are ...routing protocols (S-MAC, MAC, IEEE ...routing protocols will be discussed briefly and their different aspects ...
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A Comparative Analysis of Energy Efficient Mac Protocol for Wireless Sensor Network
... cycle of the nodes. Sleep and listen pattern is changed according to physical layer. S-MAC uses the property of adaptive listening if it uses unicast packets. It will not take into account the property of adaptive ...
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Possessions of MAC Protocols Strategies on Ad hoc Networks in Wireless Communication
... routing protocols when combined with varying MAC ...FSR protocols does not show notable variation when run over the different MAC ...underlying MAC protocol, nor do the results show ...
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A Review On Mac Protocols In Wireless Body Area Networks
... energy-efficient MAC protocol for a ...good MAC in WBAN include energy-efficiency, reliability, heterogeneous traffic, safety and security in addition to ...
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Generalized Encoding CRDSA: Maximizing Throughput in Enhanced Random Access Schemes for Satellite
... The simulation results are here presented. The LC technique and CE control strategy are compared, initially by forcing them to use the same set of linear codes C , detailed in table ??. Figures ?? and ?? show the case of ...
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Reduce the Congestion in Control Channel of MAC Layer of VANET using MAC Protocols
... based MAC protocol is introduced. There is also an introduction of access mechanism which helps in enhancement of self-sorting protocol for the purpose of appropriate time utilization to incorporate the ...
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