Search Results - "Ephremides, Anthony"
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The Age of Incorrect Information: A New Performance Metric for Status Updates
Published in IEEE/ACM transactions on networking (01-10-2020)“…In this paper, we introduce a new performance metric in the framework of status updates that we will refer to as the Age of Incorrect Information (AoII). This…”
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On the Age of Information in a CSMA Environment
Published in IEEE/ACM transactions on networking (01-04-2020)“…In this paper, we investigate a network where <inline-formula> <tex-math notation="LaTeX">N </tex-math></inline-formula> links contend for the channel using…”
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Scheduling to Minimize Age of Incorrect Information with Imperfect Channel State Information
Published in Entropy (Basel, Switzerland) (25-11-2021)“…In this paper, we study a slotted-time system where a base station needs to update multiple users at the same time. Due to the limited resources, only part of…”
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Effect of Message Transmission Path Diversity on Status Age
Published in IEEE transactions on information theory (01-03-2016)“…This paper focuses on status age, which is a metric for measuring the freshness of a continually updated piece of information (i.e., status) as observed at a…”
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Information freshness and packet drop rate interplay in a two-user multi-access channel
Published in Journal of communications and networks (01-06-2022)“…In this work, we combine the two notions of timely delivery of information to study their interplay; namely, deadline -constrained packet delivery due to…”
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Bandwidth partition and allocation for efficient spectrum utilization in cognitive communications
Published in Journal of communications and networks (01-08-2019)“…Conventional cognitive communications rely heavily on the smartness of secondary (unlicensed) users (SUs) to achieve high spectrum utilization, which involves…”
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Cooperative routing for distributed detection in large sensor networks
Published in IEEE journal on selected areas in communications (01-02-2007)“…In this paper, the detection of a correlated Gaussian field using a large multi-hop sensor network is investigated. A cooperative routing strategy is proposed…”
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Age and value of information: Non-linear age case
Published in 2017 IEEE International Symposium on Information Theory (ISIT) (01-06-2017)“…We consider a real-time status update system consisting of a source-destination network. A stochastic process is observed at the source, and samples, so called…”
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Conference Proceeding -
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Weighted Sum-Rate Maximization for a Set of Interfering Links via Branch and Bound
Published in IEEE transactions on signal processing (01-08-2011)“…We consider the problem of weighted sum-rate maximization (WSRMax) for a set of interfering links. It plays a central role in resource allocation, link…”
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Journal Article -
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Optimal packet scheduling for energy harvesting sources on time varying wireless channels
Published in Journal of communications and networks (01-04-2012)“…In this paper, we consider a source node that operates over a time varying channel with energy harvesting capability. The goal of the source is to maximize the…”
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11
Effect of energy harvesting on stable throughput in cooperative relay systems
Published in Journal of communications and networks (01-04-2016)“…In this paper, the impact of energy constraints on a two-hop network with a source, a relay and a destination under random medium access is studied. A…”
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Journal Article -
12
Wireless network-level partial relay cooperation: A stable throughput analysis
Published in Journal of communications and networks (01-02-2018)“…In this work, we study the benefit of partial relay cooperation. We consider a two-node system consisting of one source and one relay node transmitting…”
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13
Optimal utilization of a cognitive shared channel with a rechargeable primary source node
Published in Journal of communications and networks (01-04-2012)“…This paper considers the scenario in which a set of nodes share a common channel. Some nodes have a rechargeable battery and the others are plugged to a…”
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Journal Article -
14
Minimizing Age of Incorrect Information Over a Channel With Random Delay
Published in IEEE/ACM transactions on networking (01-08-2024)“…We consider a transmitter-receiver pair in a slotted-time system. The transmitter observes a dynamic source and sends updates to a remote receiver through an…”
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Journal Article -
15
Optimal Link Scheduling for Age Minimization in Wireless Systems
Published in IEEE transactions on information theory (01-07-2018)“…Information age is a recently introduced metric to represent the freshness of information in communication systems. We investigate age minimization in a…”
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Journal Article -
16
Neighbor Discovery in a Wireless Sensor Network: Multipacket Reception Capability and Physical-Layer Signal Processing
Published in Journal of communications and networks (2012)“…In randomly deployed networks, such as sensor networks, an important problem for each node is to discover its neighbor nodes so that the connectivity amongst…”
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Journal Article -
17
Optimal Packet Scheduling for Energy Harvesting Sources on Time Varying Wireless Channels
Published in Journal of communications and networks (2012)“…In this paper, we consider a source node that operates over a time varying channel with energy harvesting capability. The goal of the source is to maximize the…”
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Journal Article -
18
Minimum-length scheduling with rate control in wireless networks: a shortest path approach
Published in EURASIP journal on wireless communications and networking (01-12-2011)“…In this paper, the minimum-length scheduling problem in wireless networks is studied, where each source of traffic has a finite amount of data to deliver to…”
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19
The scheduling problem in wireless networks
Published in Journal of communications and networks (01-10-2009)“…We describe the fundamental issue of scheduling the allocation of wireless network resources and provide several formulations of the associated problems. The…”
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Journal Article -
20
Effect of Energy Harvesting on Stable Throughput in Cooperative Relay Systems
Published in Journal of communications and networks (2016)“…In this paper, the impact of energy constraints on a two-hop network with a source, a relay and a destination under random medium access is studied. A…”
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Journal Article