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Dual Priority Scheduling Based on Power Adjustment Context Switching for Ubiquitous Sensor Network

D.-S. KIM, T. HWANG, S.-Y. LEE, K.-H. WON, B.-S. KIM, S.-D. KIM, D.-J. CHUNG
2007 IEICE transactions on communications  
This paper suggests a power adjustment dual priority scheduler (PA-DPS) that offers low power consumption while meeting the USN requirements by estimating power consumption in the USN node.  ...  From experimental results, PA-DPS reduced the inactive mode current up to 40% under the 1% duty cycle. key words: Ubiquitous sensor networks, dual priority schedule, operating system  ...  Section 2 describes the design of the power adjustment context switching based dual-priority scheduling (PA-DPS). Section 3 describes the achieved chip set and hardware structure.  ... 
doi:10.1093/ietcom/e90-b.12.3419 fatcat:a6id4aqfgjbmhfsc6f3e7y4giy

Enix

Yu-Ting Chen, Ting-Chou Chien, Pai H. Chou
2010 Proceedings of the 8th ACM Conference on Embedded Networked Sensor Systems - SenSys '10  
Enix is a lightweight dynamic operating system for tightly constrained platforms for wireless sensor networks (WSN).  ...  Context switching and scheduling are the two main sources of run-time overhead of multi-threaded programming and must be efficient.  ...  Table 4 shows a comparison of context-switch overhead between different multi-threaded models for both RR and priority-based scheduler.  ... 
doi:10.1145/1869983.1870002 dblp:conf/sensys/ChenCC10 fatcat:rgda3sdoyzavjmxwlyc6hlptua

Enabling IoT empowered smart lighting solutions: A communication theoretic perspective

Syed Ali Raza Zaidi, Ali Imran, Des. C. McLernon, Mounir Ghogho
2014 2014 IEEE Wireless Communications and Networking Conference Workshops (WCNCW)  
A hirerichical networking architecture is proposed and different networking issues are discussed. Finally, a communication theoretic perspective for wireless interface selection is presented.  ...  It is noted that the functionality of the building block of IoT based smart lighting system can be translated into an abstract reference architecture.  ...  The controllers/switches and actuators all have lower power MCU with on board wireless transceivers. The room network controller (RNC) also has matching wireless interface.  ... 
doi:10.1109/wcncw.2014.6934875 dblp:conf/wcnc/ZaidiIMG14 fatcat:q6hoomqcbjg4hnmcvgygkvz54i

RETOS: Resilient, Expandable, and Threaded Operating System for Wireless Sensor Networks

Hojung Cha, Sukwon Choi, Inuk Jung, Hyoseung Kim, Hyojeong Shin, Jaehyun Yoo, Chanmin Yoon
2007 2007 6th International Symposium on Information Processing in Sensor Networks  
This paper presents the design principles, implementation, and evaluation of the RETOS operating system which is specifically developed for micro sensor nodes.  ...  Finally, the networking architecture in RETOS is designed with a layering concept to provide WSN-specific network abstraction.  ...  The MANTIS scheduler, based on fixed-interval timer interrupt, could possibly delay response time for threads. The context switching and timer interrupt handling in MANTIS is not optimized.  ... 
doi:10.1109/ipsn.2007.4379674 fatcat:u45v3s5hurae5k6iztmziusa4a

Wireless Multimedia Sensor Networks: Current Trends and Future Directions

Islam T. Almalkawi, Manel Guerrero Zapata, Jamal N. Al-Karaki, Julian Morillo-Pozo
2010 Sensors  
Wireless Multimedia Sensor Networks (WMSNs) have emerged and shifted the focus from the typical scalar wireless sensor networks to networks with multimedia devices that are capable to retrieve video, audio  ...  The low-cost, low-power, non-actuated resource constrained stereo image sensors are used to compute the 3-D object location after detecting it in order to adjust the pan/tilt/zoom settings for the high  ...  In [87] , a scheduling method based on cooperation among nodes for object detection in WMSNs is proposed where the network is clustered based on the overlapping coverage areas of the multimedia sensor  ... 
doi:10.3390/s100706662 pmid:22163571 pmcid:PMC3231118 fatcat:g6nymugwpzaq7h2ouxsg5v3hke

RETOS

Hojung Cha, Sukwon Choi, Inuk Jung, Hyoseung Kim, Hyojeong Shin, Jaehyun Yoo, Chanmin Yoon
2007 Proceedings of the 6th international conference on Information processing in sensor networks - IPSN '07  
This paper presents the design principles, implementation, and evaluation of the RETOS operating system which is specifically developed for micro sensor nodes.  ...  Finally, the networking architecture in RETOS is designed with a layering concept to provide WSN-specific network abstraction.  ...  The MANTIS scheduler, based on fixed-interval timer interrupt, could possibly delay response time for threads. The context switching and timer interrupt handling in MANTIS is not optimized.  ... 
doi:10.1145/1236360.1236381 dblp:conf/ipsn/ChaCJKSYY07 fatcat:rf4gamq7mjhojm25v5fld4dls4

Current Trends on Green Wireless Sensor Networks

J. Carlos López-Ardao, Raúl F. Rodríguez-Rubio, Andrés Suárez-González, Miguel Rodríguez-Pérez, M. Estrella Sousa-Vieira
2021 Sensors  
The issue of energy balancing in Wireless Sensor Networks is a pivotal one, crucial in their deployment.  ...  node (either specialized or not) to another one.  ...  A TPC mechanism is also proposed for Underwater Wireless Sensor Networks (UWSNs) in [35] , where source nodes adjust transmission power according to the location of the destination node.  ... 
doi:10.3390/s21134281 pmid:34201485 fatcat:2xgqpsrlvbarppp5f7g6shg73e

An On-Time Power-Aware Scheduling Scheme for Medical Sensor SoC-Based WBAN Systems

Tae-Ho Hwang, Dong-Sun Kim, Jung-Guk Kim
2012 Sensors  
The novelty of this scheduler is that it increases the determinacy of power adjustment and the predictability of scheduling by employing non-pre-emptible dual priority scheduling.  ...  The scheduler was embedded into a system on chip (SoC) developed to support the wireless body area network-a wakeup-radio and wakeup-timer for implantable medical devices.  ...  This paper is organized as follows: Section 2 describes the design of an on-time power-aware scheduler that is a realization of the above ideas, based on a dual priority scheduler.  ... 
doi:10.3390/s130100375 pmid:23271602 pmcid:PMC3574681 fatcat:kswpuwmq6bcbvfkrjznfiftpia

A Survey On M2M Systems For Mhealth: A Wireless Communications Perspective

Elli Kartsakli, Aris S. Lalos, Angelos Antonopoulos, Stefano Tennina, Marco Di Renzo, Luis Alonso, Christos Verikoukis
2014 Zenodo  
In this context, we aim to provide a comprehensive survey on M2M systems for mHealth applications from a wireless communication perspective.  ...  Hence, we first provide a systematic review of Wireless Body Area Networks (WBANs), which constitute the enabling technology at the patient's side, and then discuss end-to-end solutions that involve the  ...  Sensors 2014, 14  ... 
doi:10.5281/zenodo.57072 fatcat:utf5bd3xgjbxrnixu6iocfamla

FireFly [chapter]

Anthony Rowe, Rahul Mangharam, Raj Rajkumar
2007 Wireless Ad Hoc Networking  
Since modern sensor networks use ad-hoc multihop wireless networking for packet relaying, we provide port-based socket abstractions that can be used by sensing tasks for sending and receiving data.  ...  They store the register context of all task (registers and stack), the task's priority, period of recurrence, (CP U, network, Sensor) reservation sizes, port identifiers etc.  ... 
doi:10.1201/9781420013825.ch3 fatcat:b5wivhwsb5eq5aygknkeximn3q

TrueTime [chapter]

Anton Cervin, Karl-Erik Årzén
2009 Model-Based Design for Embedded Systems  
The pervasive nature of these systems generates further constraints on physical size and power consumption.  ...  Feedback control is a common application type in embedded systems, and many wireless embedded systems are networked control systems, i.e, they contain one or several control loops that are closed over  ...  , and for adjusting the radio power transmit level.  ... 
doi:10.1201/9781420067859-c6 fatcat:moe3bojwl5c25malbzacnyjaju

Wireless Networks with RF Energy Harvesting: A Contemporary Survey [article]

Xiao Lu, Ping Wang, Dusit Niyato, Dong In Kim, Zhu Han
2014 arXiv   pre-print
Radio frequency (RF) energy transfer and harvesting techniques have recently become alternative methods to power the next generation wireless networks.  ...  In this paper, we present an extensive literature review on the research progresses in wireless networks with RF energy harvesting capability, referred to as RF energy harvesting networks (RF-EHNs).  ...  Moreover, the authors generalize the analytical results to a wireless sensor network powered by distributed wireless power chargers.  ... 
arXiv:1406.6470v6 fatcat:bjmvi4hwfnhvbnodubqipsdija

Survey of QoS Routing Protocols in Wireless Multimedia Sensor Networks

Shailendra Aswale, Vijay R. Ghorpade
2015 Journal of Computer Networks and Communications  
The emergence of Wireless Multimedia Sensor Networks (WMSNs) has stimulated the refocusing of research from conventional scalar Wireless Sensor Networks (WSNs) to WMSNs.  ...  Path selection is based on evaluation of a cost function using various routing metrics. A careful blend of such metrics in a routing cost function guarantees a committed level of QoS.  ...  For packet scheduling, two algorithms are used, namely, baseline packet scheduling and power-aware packet scheduling. Both scheduling algorithms drop packets based on a distortion prediction model.  ... 
doi:10.1155/2015/824619 fatcat:5ojdsvgtxbf23l3le6xtlxcbgm

A Survey on M2M Systems for mHealth: A Wireless Communications Perspective

Elli Kartsakli, Aris Lalos, Angelos Antonopoulos, Stefano Tennina, Marco Renzo, Luis Alonso, Christos Verikoukis
2014 Sensors  
In this context, we aim to provide a comprehensive survey on M2M systems for mHealth applications from a wireless communication perspective.  ...  solutions based on existing open communication standards or proprietary technologies.  ...  Sensors 2014, 14  ... 
doi:10.3390/s141018009 pmid:25264958 pmcid:PMC4239929 fatcat:kwow7xqtarh47bm5v62tpvrdte

Cognitive Radio for Smart Grids: Survey of Architectures, Spectrum Sensing Mechanisms, and Networking Protocols

Athar Ali Khan, Mubashir Husain Rehmani, Martin Reisslein
2016 IEEE Communications Surveys and Tutorials  
Cognitive radio networks (CRNs) in particular are highly promising for providing timely SG wireless communications by utilizing all available spectrum resources.  ...  We provide in this paper a comprehensive survey on the CRN communication paradigm in SGs, including the system architecture, communication network compositions, applications, and CR-based communication  ...  Priority-Based Traffic Scheduling and Utility Optimization [135] A CR channel allocation and priority-based traffic scheduling approach for CR-based SG systems is examined in [135] .  ... 
doi:10.1109/comst.2015.2481722 fatcat:rnchxiumhndqho5tlumonfdoxi
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