نتایج جستجو برای: tsch

تعداد نتایج: 101  

2018
Sana Rekik Nouha Baccour Mohamed Jmaiel Khalil Drira Luigi Grieco Luigi Alfredo Grieco

Wireless Sensor Networks (WSNs) have been recognized as a promising communication technology for smart grid monitoring and control applications. However, the deployment of WSNs in smart grid brought new challenges that pertain to the harsh electrical grid nature, and the different and often contradicting communication requirements of smart grid monitoring applications. MAC protocols play a cruc...

Journal: :AJNR. American journal of neuroradiology 2012
M Brus-Ramer W P Dillon

BACKGROUND AND PURPOSE tSCH in the absence of spinal trauma or surgery is a rare disorder for which numerous mechanisms have been proposed. Here, we have conducted an analysis of images in all published reports of idiopathic tSCH and identified evidence supporting a pathogenesis in which anterior dural erosion at thoracic levels generates a CSF leak that pushes adjacent spinal tissue to tampona...

2017
Atis Elsts Xenofon Fafoutis Adeyinka Adeleke Robert J. Piechocki George C. Oikonomou Simon Duquennoy Antonio Liñán Marc Fàbregas

Time-Slotted Channel Hopping (TSCH) from the IEEE 802.15.4-2015 standard uses channel hopping to combat interference and frequency-selective fading. It has attracted large attention from the research community due to its properties: high reliability in terms of packet delivery rates, and increased predictability in terms of energy consumption and latency, as compared to commonly used lowpower C...

2003
Şükran Dere Nurhayat Dalkıran Didem Karacaoğlu Gamze Yildiz Egemen Dere

In this study, 12 taxa from the Chlorophyta, Phaeophyta and Rhodophyta were collected from different depths at Gemlik-Karacaali and Erdek-Ormanlı. A total of 175 specimens from these divisions were used to determine Total Protein (TP), Total Soluble Carbohydrate (TSCH) and Chlorophyll a (Chl a), Chlorophyll b (Chl b), Chlorophyll c (Chl c), total carotenoid (Car) contents and Chl b/Chl a, Chl c...

2014
Peng Du

The Internet of Things (IoT) is widely expected to be the next stage of development for the Internet and brings together material artefacts and their information representations. One of its enabling infrastructures is low-power wireless networks which due to their restricted capacities are especially sensitive to ambient noise from co-located wireless devices utilising the same band. This thesi...

Journal: :Neurology 2014
Giovanni Castelnovo Jean Pierre Hladky Dimitri Renard

A 42-year-old man with a history of benign incidental dorsal trauma 5 years earlier presented with progressive weakness of the right leg for 2 years. Clinical examination revealed decreased left-sided pain, temperature, and light touch sensation below the level of T2, right leg weakness, normal proprioception, and increased deep tendon reflexes in the right leg, in absence of bladder dysfunctio...

2016
Pedro Henrique Gomes Thomas Watteyne Pradipta Ghosh Bhaskar Krishnamachari

The recent IEEE802.15.4e-2012 standard proposes medium access variants for improving the efficiency of lowpower and lossy networks. The Timeslotted Channel Hopping (TSCH) mode enables wireless networks that can support applications with high-reliability requirements, such as smart factories, process automation and smart buildings. In TSCH-based networks, time is sliced into time slots and chann...

2018
Glenn Daneels Esteban Municio Bruno Van de Velde Glenn Ergeerts Maarten Weyn Steven Latré Jeroen Famaey

The Time-Slotted Channel Hopping (TSCH) mode of the IEEE 802.15.4e amendment aims to improve reliability and energy efficiency in industrial and other challenging Internet-of-Things (IoT) environments. This paper presents an accurate and up-to-date energy consumption model for devices using this IEEE 802.15.4e TSCH mode. The model identifies all network-related CPU and radio state changes, thus...

Journal: :CoRR 2017
Mikolaj Chwalisz Adam Wolisz

A major challenge in wide deployment of smart wireless devices, using different technologies and sharing the same 2.4 GHz spectrum, is to achieve coexistence across multiple technologies. The IEEE 802.11 (WLAN) and the IEEE 802.15.4e TSCH (WSN) where designed with different goals in mind and both play important roles for respective applications. However, they cause mutual interference and degra...

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