contention-based medium access control protocol
Real Time Data Communication Medium access control (RC- MAC) Protocol for Wireless Sensor Networks (WSNs)
... occur. Contention based MAC protocols, whether using collision avoidance or not, falls foul of this condition via the hidden terminal ...a contention based protocol proposed for energy ...
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An Approach for Improving Performance of Back off Algorithm
... any contention-based medium access control (MAC) protocol is the mechanism to measure and resolve simultaneous contention because of dynamic topology IEEE ...for ...
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Ornamental Medium Access Control Protocol (Orn-MAC) for Wireless Sensor Network
... MAC protocol [4] in Wireless Sensor Network by selecting a best relay node based on following parameters, Optimal Data Rate, ...Minimum Contention Window Size, Minimum RTS/Frame, Minimum Node Delay ...
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Energy Efficient Reservation Based Medium Access Control Protocol for Wireless Sensor Networks
... a Contention-Free Period (CFP) consisting of dedicated time slots for individual ...are based on a highly static tree network structure, achieved performance degrades rapidly in a dynamic network ...
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An Energy-Efficient Medium Access Control Protocol for Wireless Sensor Networks "V-MAC"
... shared medium at the same time and their messages collide with each ...use contention-free scheduling protocols or contention-based backoff ...
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An Energy Efficient: Media Access Control Layer Protocols Based on Contention and Channel Polling in Wireless Sensor Network (WSN)
... Media access control MAC protocol plays a vital role in energy ...Media access control protocols deal with the energy consumptions of sensor nodes so that it controls the radio ...
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Cross layer medium access control protocol with quality of service guarantees for wireless sensor networks
... WSN protocol design is energy efficiency, many protocols work with low duty cycles by including periods in which the transceiver is put to ...a contention-based transmission scheme ...use ...
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Medium Access Control Protocol for Wireless Sensor Network – a Survey
... The Berkeley Media Access Control (B-MAC) [10] is a contention based MAC protocol for WSNs. B-MAC is similar to Aloha with Preamble Sampling [11], which duty cycles the radio ...
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A rapid cooperation differentiated medium access control protocol with packet piggyback for multihop wireless networks
... helper contention method [4,13,23-25]. In the IrcMAC protocol [13], helpers are allocated one of eight different ...determined based on its transmission time at the end of the cooperative conten- ...
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Design and Analysis of an OSA BR MAC Protocol for Cognitive Radio Ad Hoc Networks
... CR Medium Access Control (CR-MAC) ...CR-MAC protocol, which reacts efficiently to the appearance of the PUs, is ...proposed protocol is named Opportunistic Spectrum Access with ...
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A cross layer approach in support of real time data over wireless sensor networks
... LERM protocol consists of a cross-layer design that involves physical layer information, a contention-based medium access control mechanism, and a network layer forwarding ...
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An Efficient Collision Free Protocol for VANET
... (ITS). Based on IEEE ...the Control Channel (CCH) for the transmission of emergency and status messages ...Wireless Access in Vehicular Environments (WAVE) MAC utilises a contention- ...
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A performance evaluation of YMAC a medium access protocol for WSN
... There is a wide variety of applications designed for wireless sensor networks, which commonly involve some type of environmental monitoring or control activities such as precision agriculture, health, ...
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Design and Optimization of Medium Access Control Protocol of IEEE 802 3 Transmitter with VHDL
... Media Access Control (MAC) data communication protocol sub-layer, also known as the Medium Access Control, is a part of the data link layer specified in the seven-layer of OSI ...
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A Novel Medium Access Control Protocol for Real Time Wireless Communications in Industrial Automation
... are based on the Ethernet physical layer, but the MAC protocols are unique and specific for each ...wirelessly access points and mobile clients, and provide basically the same performance (with respect to ...
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OFDMA Based Medium Access Control for Next Generation WLANs
... design based on OFDMA or OFDM are reported in [11, ...is based on a combination of OFDM and TDMA and attempts to provide better performance through intelligent assignment of subcarriers in time ...random ...
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Medium Access Control Protocol for Wireless Sensor Networks in Harsh Environments with Directional Antennas
... simple medium access control (MAC) protocol for the hub node, based on the ALOHA protocol but designed to support multiple antennas on the hub, whilst the sensors retain the ...
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Partial Contention Free Random access Protocol for M2M communications in LTE Networks
... DQAL protocol is based on the distributed collision resolution ...initialization based on the broadcast information (RQ value and preambles detection ...DQAL protocol is described in algorithm ...
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Modeling and Simulation of a Wireless Body Area Network for Monitoring Sick Patient Remotely
... Within this context, the objective of this work is to model and simulate a heterogeneous wireless sensor network allowing the measurement and the transmission of short-range data collected by the environmental sensors. ...
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Wireless Personal Area Networks Performance, Interconnection, & Security with IEEE 802 15 4 pdf
... Sensor networks pose a slightly different set of challenges. In most cases, sensor nodes are not mobile; but on the other hand, sensor nodes are often required to operate on bat- tery power for prolonged periods of time. ...
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