Bandwidth allocation for wireless multimedia systems with most regular sequences

Chen, Chung Shue; Wong, Wing Shing

doi:10.1109/twc.2004.843069

Cited by 18 publications

(2 citation statements)

References 14 publications

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“…WFQ is comparable, it is a packet approximation of Generalized Processor Sharing (GPS) [7], where every session obtains access to the resource, but only for 1/N th of the bandwidth, where N represents the available bandwidth divided by the requested bandwidth. The most interesting related work that we found is [8], which deals with most regular sequences. The authors use a most regular binary sequence (MRBS) to express the requested rates that form a rational fraction of the total available bandwidth.…”

Section: Related Workmentioning

confidence: 99%

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Binary TDMA scheduler by means of egyptian fractions for real-time WSNs on TMotes

Torfs

Blondia

2010

2010 the 9th IFIP Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net)

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In Wireless Sensor Networks (WSNs), the user should not be bothered with configuring the network, depending on the kind of sensors that he/she is using. It should only be a matter of deploying the sensors and they should do the necessary effort to construct a network. Since most of these networks use low power devices, the energy consumption is vital. The most suited medium access method in order to waste as few energy as possible, is Time Division Multiple Access (TDMA). TDMA has however the reputation of being a rigid access method. In this paper, we present a TDMA access method for passive sensors, i.e. sensors are constant bitrate sources. The presented protocol does not only take into account the energy, but it also ensures that every sensor gets its data on time at the sink and this in a fair fashion. Even more, the latency of the transmission is deterministic. We could say that real-time communication is possible. The protocol is developed keeping in mind the practical limitations of actual hardware by limiting the memory usage and the communication overhead. The schedule that determines which sensor can send when, which can be encoded in a very small footprint, and needs to be sent only once. To prove our statement, we implemented our scheduling protocol on TMotes.

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Section: Related Workmentioning

confidence: 99%

“…The next slots are calculated based upon a frequency of 1 2 , thus every two slots. Up till now, 8 16 is scheduled, which is not enough. The , so an extra 1 16 needs to be scheduled.…”

Section: The Algorithmmentioning

confidence: 99%

Binary TDMA scheduler by means of egyptian fractions for real-time WSNs on TMotes

Torfs

Blondia

2010

2010 the 9th IFIP Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net)

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Protocol sequence and control co‐design for a collection of networked control systems

Guo

2015

Intl J Robust & Nonlinear

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SUMMARYThis paper is concerned with the simultaneous stabilization of a collection of plants shared by the wireless network with capacity limitation. We use most regular binary sequences (MRBS) to control the medium access status of the plants. The design procedure of the scheduling policy translates to determine two parameters of the MRBS. With the MRBS protocol, each plant is essentially a sampled-data control system with time varying sampling intervals. We derive a sufficient condition for determining the MRBS protocol that guarantees the controllability, observability, and stability of each plant. Most importantly, we give a methodology for MRBS protocol and controller co-design, in which the controller has switching gains that are piecewise constant and dependent on the sampling intervals yielded by the MRBS. The main results are established using piecewise Lyapunov functional and the average dwell time technique. It is shown that the method can guarantee simultaneous stabilization of the collection of plants robustly in situations where the controller gain does not match the sampling interval or the sampling interval violates the maximum allowable transmission interval criteria. A numerical example is given to demonstrate the effectiveness of the co-design method.

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Hybrid event-time-triggered networked control systems: Scheduling-event-control co-design

Guo

Wong

2015

Information Sciences

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Bandwidth allocation for wireless multimedia systems with most regular sequences

Cited by 18 publications

References 14 publications

Binary TDMA scheduler by means of egyptian fractions for real-time WSNs on TMotes

Binary TDMA scheduler by means of egyptian fractions for real-time WSNs on TMotes

Protocol sequence and control co‐design for a collection of networked control systems

Hybrid event-time-triggered networked control systems: Scheduling-event-control co-design

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