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We found 2 data for " wireless sensor network"

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1.
DATA FROM: TRAVELLING WAVE PULSE COUPLED OSCILLATOR (TWPCO) USING A SELF-ORGANIZING SCHEME FOR ENERGY-EFFICIENT WIRELESS SENSOR NETWORKS
DESCRIPTION : Recently, Pulse Coupled Oscillator (PCO)-based travelling waves have attracted substantial attention by researchers in wireless sensor network (WSN) synchronization. Because WSNs are generally artificial occurrences that mimic natural phenomena, the PCO utilizes firefly synchronization of attracting mating partners for modelling the WSN. However, given that sensor nodes are unable to receive messages while transmitting data packets (due to deafness), the PCO model may not be efficient for sensor network modelling. To overcome this limitation, the current study proposed a new scheme called the Travelling Wave Pulse Coupled Oscillator (TWPCO). For this, the study used a self-organizing scheme for energy-efficient WSNs that adopted travelling wave biologically inspired network systems based on phase locking of the PCO model to counteract deafness. From the simulation, it was found that the proposed TWPCO scheme attained a steady state after a number of cycles. It also showed superior performance compared to other mechanisms, with a reduction in the total energy consumption of 25 %. The results showed that the performance improved by 13 % in terms of data gathering. Based on the results, the proposed scheme avoids the deafness that occurs in the transmit state in WSNs and increases the data collection throughout the transmission states in WSNs
CONTRIBUTOR : ZURIATI BINTI AHMAD ZUKARNAIN (11/05/2023 18:23 PM)
FACULTY : FAKULTI PERTANIAN
PUBLICATION : 0 ; FILE IN : HDFS 
HAS VIEWS : 1942 ; FOLDER IN PROJECT : 1 ; FILE IN PROJECT : 1 ; DOWNLOAD : 0 ;
KEYWORD : [Travelling Wave Pulse Coupled Oscillator] , [ wireless sensor network]
2.
EVOLUTIONARY APPROACH TO ADDRESS THE NEGATIVE IMPACT OF SELFISH MAC BEHAVIOR ON RESOURCE AVAILABILITY IN M2M NETWORKS
DESCRIPTION : The emergence of sophisticated applications has created a demand of diverse Quality of Service (QoS) requirement. Depending on the type of services provided by the application, the main concern of the wireless communication can shift from reliable transmission to high throughput delivery, stringent delay or vice versa. To cater for such QoS requirement, communication protocol such as IEEE 802.11ah and user programmable network interface card are introduced. Responsible for 70 percent (70%) of the performance of a network, modifications are introduced in Media Access Control (MAC) Layer of the protocol to improve the performance. These changes allow MAC parameters to be adjusted as needed for their respective QoS requirement. However, the dynamic tuning ability has changed the facet of resource contention for the conventional MAC protocol. The ability of tuning the MAC parameters at will has violated the fair share policy of conventional MAC parameters, and can be abused to gain individual benefit over the loss of other connected terminals in the associated network. This creates a security threat of resource availability in the network when connected terminals are denied their access to the radio resources, which is a case of Denial-of-Service (DoS). When a terminal tunes its parameter to gain personal benefit, this behavior is regarded as selfish behavior while terminal which tuned the parameter according to the standard are consider as behaving honestly. As the severity of selfish behavior intensify, the degree of effect of DoS for honest terminal will increase. In this work, we will analyze the interaction between terminals of different behavior using Evolutionary Game Theory. Using the framework from evolutionary game, the dynamic decision making and the change of behavior will be studied. A mechanism to discourage selfish behavior will be introduced towards the end of result analysis as a measure to enforce security for MAC layer in the network.
CONTRIBUTOR : FAZIRULHISYAM BIN HASHIM (09/05/2023 13:17 PM)
FACULTY : FAKULTI KEJURUTERAAN
PUBLICATION : 1 ; FILE IN :
HAS VIEWS : 764 ; FOLDER IN PROJECT : 0 ; FILE IN PROJECT : 0 ; DOWNLOAD : 0 ;
KEYWORD : [M2M]

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