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Age of Information: A New Concept, Metric, and Tool
TLDR
This monograph provides the reader with an easy-to-read tutorial-like introduction into this novel approach of dealing with information within systems and shows how the approach can be used as a tool in improving metrics in other contexts.
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Allocation of Heterogeneous Resources of an IoT Device to Flexible Services
TLDR
The presented formulation of assigning services to interfaces with heterogeneous resources in one or more rounds produces optimal solutions for this computationally hard problem and proves the NP-completeness of the problem.
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RERUM: Building a reliable IoT upon privacy- and security- enabled smart objects
TLDR
The RERUM framework will comprise an architecture, built upon novel network protocols and interfaces as well as the design of smart objects hardware that will allow IoT applications to consider security and privacy mechanisms early in their design phase, ensuring a configurable balance between reliability and privacy.
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Adjacent channel interference in 802.11a is harmful: Testbed validation of a simple quantification model
TLDR
It is shown that ACI does exist in 802.11a, and its magnitude and results depends on the interfering data rates, packet sizes, and utilization of the medium, and the estimations of the model can be used in link budget calculations are verified.
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Adjacent channel interference in 802.11a: Modeling and testbed validation
TLDR
The results indicate that equipping a single node with multiple interfaces requires careful channel allocation and physical antenna separation, since throughput can be severely degraded.
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Age of information of multiple sources with queue management
TLDR
Considering that queuing delay can unnecessarily increase the age of a critical status update, this work proposes here a queue management technique, in which a queue is maintained with only the latest status packet of each source, overwriting any previously queued update from that source.
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Designing, Developing, and Facilitating Smart Cities
The first € price and the £ and $ price are net prices, subject to local VAT. Prices indicated with * include VAT for books; the €(D) includes 7% for Germany, the €(A) includes 10% for Austria.…
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Cognitive radio inspired M2M communications
  • E. Tragos, V. Angelakis
  • Computer Science, Business
    16th International Symposium on Wireless Personal…
  • 24 June 2013
TLDR
The adaptation of Cognitive Radio technology for enhancing the machine-to-machine communications, presenting the challenges and open issues for future research.
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Age and value of information: Non-linear age case
TLDR
The concept of information ageing is expanded by introducing the Cost of Update Delay (CoUD) metric to characterize the cost of having stale information at the destination and the Value of Information of Update (VoIU) metric that captures the reduction of CoUD upon reception of an update.
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Optimization of Free Space Optical Wireless Network for Cellular Backhauling
TLDR
This paper presents a novel integer linear programming model to approach optimal FSO backhaul design, guaranteeing $K$-disjoint paths connecting each node pair, and derives a column generation method to a path-oriented mathematical formulation.
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