Quality of Service Concerns in IP-Based Control Systems

Soucek, Stefan; Sauter, Thilo

doi:10.1109/tie.2004.837860

Cited by 56 publications

(38 citation statements)

References 13 publications

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“…[15] for a comprehensive discussion), they are definitely suitable (and also applied in practice) for use as a backbone network in building automation systems. Still, individual control networks should depend on the backbone just as little as unit controllers should on a central station.…”

Section: Network Architecturementioning

confidence: 99%

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Communication systems for building automation and control

Kästner

Neugschwandtner

Soucek³

et al. 2005

Proc. IEEE

407

176

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Section: Network Architecturementioning

confidence: 99%

“…15 at similar management functions in commercial buildings. This especially concerns [21] for field-level functionality.…”

Section: Standards Overviewmentioning

confidence: 99%

Communication systems for building automation and control

Kästner

Neugschwandtner

Soucek³

et al. 2005

Proc. IEEE

407

176

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show abstract

“…2). It receives or transmits data packets to the i.LON router via IP networks and IP-852 technology as well as enables connection to the part of the system realized with another transmission medium-twisted pair (TP) (Soucek and Sauter 2004). This allows to integrate the outdoor lighting control system with the BMS in a university campus building near the car park.…”

Section: Bacs Infrastructurementioning

confidence: 99%

Energy saving in the street lighting control system—a new approach based on the EN-15232 standard

Ożadowicz

Grela

2016

Energy Efficiency

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The street lighting is one of major components in total energy consumption in cities. The paper is focused on a concept of street lamp control systems and function organization with remote monitoring, to reduce maintenance costs and energy consumption. A new approach to the definition of functional strategy organization for outdoor lighting systems is introduced in the paper. Proposed functional strategies are based on four efficiency classes of building automation and control systems (BACS) defined in the EN 15323 standard. They have been formulated, analysed and eventually implemented and verified in real experiment street lighting installation. This outdoor lighting system, designed by the authors, based on LonWorks (the ISO/IEC EN 14908) platform with a power line communication aimed to control high-pressure sodium lamps. The street lamps are integrated nodes of a building management system (BMS). The results of experimental tests for the proposed functional strategies, implemented with various control scenarios, show that they provide a great potential in reducing energy consumption by street lighting installations. In particular, the energy use can be reduced even by 45 % in comparison to conventional street lighting system, especially without the use of monitoring and control.

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“…Nonmatched sent packets are identified as the lost packets, so that the timestamp of each lost packet and the number of lost pakcets are obtained. The packet loss Ratio/Rate is a commonly-used metric to quantify the degree of loss as in (4) and (5).…”

Section: Packet End-to-end Lossmentioning

confidence: 99%

“…Applications such as remote security [3] and the needs of cyber-physical systems [4] are also pushing the bounds in this direction. Although the convergence of network services enables the transport of real-time, video, voice and data traffic over IP networks which were originally designed to offer best-effort services for non-real-time data traffic, our IP networks are not well designed to guarantee Quality of Service (QoS) for such diverse communications [5], including real-time (RTIP), voice (VOIP) [6] and web based search, video and multimedia [7][8][9][10]. Real-time constraints [11] could be well assured in dedicated circuit-switched connections, but are difficult to cover with IP networks [12].…”

Section: Introductionmentioning

confidence: 99%

Real-Time Traffic over the Cognitive Packet Network

Wang

Gelenbe

2016

Computer Networks

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Abstract. Real-Time services over IP (RTIP) have been increasingly significant due to the convergence of data networks worldwide around the IP standard, and the popularisation of the Internet. Real-Time applications have has strict Quality of Service (QoS) constraint, which poses a major challenge to IP networks. The Cognitive Packet Network (CPN) has been designed as a QoS-driven protocol that addresses user-oriented QoS demands by adaptively routing packets based on online sensing and measurement, and in this paper we design and experimentally evaluate the"Real-Time (RT) over CPN" protocol which uses QoS goals that match the needs of real-time packet delivery in the presence of other background traffic under varied traffic conditions. The resulting design is evaluated via measurements of packet delay, delay variation (jitter) and packet loss ratio.

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Quality of Service Concerns in IP-Based Control Systems

Cited by 56 publications

References 13 publications

Communication systems for building automation and control

Communication systems for building automation and control

Energy saving in the street lighting control system—a new approach based on the EN-15232 standard

Real-Time Traffic over the Cognitive Packet Network

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