Results 1 to 10 of about 5,292 (225)
COEXISTENCE OF IEEE 802.15.4 WITH IEEE 802.11b
The recurrent collocation of IEEE 802.15.4 Wireless Sensor Networks (WSNs) and IEEE 802.11b Wireless Local Area Networks (WLANs) consequence in coexistence issues, as these networks share the same 2.4GHz Industrial, Scientific, and Medical (ISM) band. As
G.M. Tamilselvan, A. Shanmugam
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Segmentized Clear Channel Assessment for IEEE 802.15.4 Networks [PDF]
This paper proposed segmentized clear channel assessment (CCA) which increases the performance of IEEE 802.15.4 networks by improving carrier sense multiple access with collision avoidance (CSMA/CA).
Kyou Jung Son +4 more
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Delay Analysis of GTS Bridging between IEEE 802.15.4 and IEEE 802.11 Networks for Healthcare Applications [PDF]
We consider interconnection of IEEE 802.15.4 beacon-enabled network cluster with IEEE 802.11b network. This scenario is important in healthcare applications where IEEE 802.15.4 nodes comprise patient's body area network (BAN) and are involved in sensing ...
Jelena Mišić, Xuemin (Sherman) Shen
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Service Differentiated and Adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems [PDF]
Cyber-Physical Systems (CPS) that collect, exchange, manage information, and coordinate actions are an integral part of the Smart Grid. In addition, Quality of Service (QoS) provisioning in CPS, especially in the wireless sensor/actuator networks, plays ...
Feng Xia +4 more
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An Analytical Model for the Performance Analysis of Concurrent Transmission in IEEE 802.15.4 [PDF]
Interference is a serious cause of performance degradation for IEEE802.15.4 devices. The effect of concurrent transmissions in IEEE 802.15.4 has been generally investigated by means of simulation or experimental activities.
Cengiz Gezer +2 more
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Study on Additional Carrier Sensing for IEEE 802.15.4 Wireless Sensor Networks [PDF]
Wireless sensor networks based on the IEEE 802.15.4 standard are able to achieve low-power transmissions in the guise of low-rate and short-distance wireless personal area networks (WPANs).
Bih-Hwang Lee +3 more
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The quality of an IEEE 802.15.4 link can be estimated on the basis of the Link Quality Indication (LQI), which is a parameter offered by the IEEE 802.15.4 physical layer.
Boix Antoni +2 more
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IEEE 802.15.4 defines the working of physical and media access layers of a Low-Rate Wireless Personal Area Network (LR-WPAN). A LR-WPAN is a low cost, low power, and low data-rate network that offers reasonable lifetime and reliable data transfer within ...
Mairaj Nabi bhatti +4 more
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MODELE KOLEJKOWE W ANALIZIE SIECI IEEE 802.15.4
W artykule zaprezentowano wybrane modele kolejkowe w analizie bezprzewodowych sieci sensorowych, bazujących na standardzie IEEE 802.15.4. Zbadano wpływ intensywności napływu zgłoszeń, liczby węzłów oraz rozmiaru przesyłanych danych na średni czas przebywania zadania w systemie.
D. Eljasz
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Adaptive management of energy consumption, reliability and delay of wireless sensor node: Application to IEEE 802.15.4 wireless sensor node. [PDF]
Kone CT, Mathias JD, De Sousa G.
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