Search results for: Kaya Tutuncuoglu

Items from 1 to 20 out of 31 results

article

The Binary Energy Harvesting Channel With a Unit-Sized Battery

Kaya Tutuncuoglu, Omur Ozel, Aylin Yener, Sennur Ulukus

IEEE Transactions on Information Theory > 2017 > 63 > 7 > 4240 - 4256

We consider a binary energy harvesting communication channel with a finite-sized battery at the transmitter. In this model, the channel input is constrained by the available energy at each channel use, which is driven by an external energy harvesting process, the size of the battery, and the previous channel inputs. We consider an abstraction where energy is harvested in binary units and stored in...

article

Energy Harvesting Networks With Energy Cooperation: Procrastinating Policies

Kaya Tutuncuoglu, Aylin Yener

IEEE Transactions on Communications > 2015 > 63 > 11 > 4525 - 4538

This paper considers multiterminal networks with energy harvesting transmitter nodes that are also capable of wirelessly transferring energy to or receiving energy from other nodes in the network. In particular, the jointly optimal transmit power and energy transfer policies that maximize sum-throughput for the two-way, two-hop, and multiple access channels are identified. It is shown for nodes with...

chapter

Maximizing recommender's influence in a social network: An information theoretic perspective

Basak Guler, Kaya Tutuncuoglu, Aylin Yener

2015 IEEE Information Theory Workshop - Fall (ITW) > 262 - 266

2015 IEEE Information Theory Workshop - Fall (ITW)

We study a social network in which individuals make decisions influenced by a recommender as well as the previous actions taken by themselves or other users. The recommender aims to tailor its suggestions to maximize the benefit from utilizing social interactions. We refer to this benefit as the recommender's influence which, in essence, measures the value of controlling the specific suggestions offered...

article

Throughput Maximization for Two-Way Relay Channels With Energy Harvesting Nodes: The Impact of Relaying Strategies

Kaya Tutuncuoglu, Burak Varan, Aylin Yener

IEEE Transactions on Communications > 2015 > 63 > 6 > 2081 - 2093

In this paper, we study the two-way relay channel with energy harvesting nodes. In particular, we find transmission policies that maximize the sum-throughput for two-way relay channels when the relay does not employ a data buffer. The relay can perform decode-and-forward, compress-and-forward, compute-and-forward, or amplify-and-forward relaying. Furthermore, we consider throughput improvement by...

chapter

The binary energy harvesting channel with on-off fading

Omur Ozel, Kaya Tutuncuoglu, Sennur Ulukus, Aylin Yener

2015 IEEE International Symposium on Information Theory (ISIT) > 2722 - 2726

2015 IEEE International Symposium on Information Theory (ISIT)

A noiseless binary energy harvesting channel with on-off fading is considered. When causal fading state information is available at the transmitter only, an equivalent timing channel with additive geometric noise and noise information known at the transmitter is obtained. In this channel, the transmitter's strategy is a stopping rule with respect to the channel fade levels given the message and the...

article

Fundamental limits of energy harvesting communications

Omur Ozel, Kaya Tutuncuoglu, Sennur Ulukus, Aylin Yener

IEEE Communications Magazine > 2015 > 53 > 4 > 126 - 132

Wireless networks composed of energy harvesting devices will introduce several transformative changes in wireless networking as we know it: energy self-sufficient, energy self-sustaining, perpetual operation; reduced use of conventional energy and accompanying carbon footprint; untethered mobility; and an ability to deploy wireless networks in hard-to-reach places such as remote rural areas, within...

article

Optimum Policies for an Energy Harvesting Transmitter Under Energy Storage Losses

Kaya Tutuncuoglu, Aylin Yener, Sennur Ulukus

IEEE Journal on Selected Areas in Communications > 2015 > 33 > 3 > 467 - 481

We consider an energy harvesting network where the transmitter harvests energy from nature, and the harvested energy can be saved in an imperfect battery which suffers from charging/discharging inefficiency. In particular, when

$E$

units of energy is to be stored in the battery, only

$\eta E$

units is saved and

$(1-\eta) E$

is lost due to charging/discharging inefficiency, where

$0\leq\eta\leq 1$

...

article

Using Social Sensors for Influence Propagation in Networks With Positive and Negative Relationships

Basak Guler, Burak Varan, Kaya Tutuncuoglu, Mohamed Nafea, more

IEEE Journal of Selected Topics in Signal Processing > 2015 > 9 > 2 > 360 - 373

Online social communities often exhibit complex relationship structures, ranging from close friends to political rivals. As a result, persons are influenced by their friends and foes differently. Future network applications can benefit from integrating these structural differences in propagation schemes through socially aware sensors. In this paper, we introduce a propagation model for such social...

chapter

The energy harvesting and energy cooperating two-way channel with finite-sized batteries

Kaya Tutuncuoglu, Aylin Yener

2014 IEEE Global Communications Conference > 1424 - 1429

GLOBECOM 2014 - 2014 IEEE Global Communications Conference

In this paper, we consider the energy allocation problem for energy harvesting and energy cooperating nodes with finite-sized batteries. In particular, we solve the sum-throughput maximization problem in a two-way channel with energy harvesting nodes that can also transfer energy to one another. To do so, we non-trivially extend a class of policies which originally rely on an infinite-sized battery...

chapter

Communicating in a socially-aware network: Impact of relationship types

Basak Guler, Burak Varan, Kaya Tutuncuoglu, Mohamed Nafea, more

2014 IEEE Global Conference on Signal and Information Processing (GlobalSIP) > 788 - 792

2014 IEEE Global Conference on Signal and Information Processing (GlobalSIP)

Communication networks are linked to and influenced by human interactions. Socially-aware systems should integrate these complex relationship patterns in the network design. This paper studies the impact of friendship and antagonistic relationships between individuals on optimal network propagation policies. We develop a network propagation model for signed networks, and determine the optimal policies...

chapter

State amplification and state masking for the binary energy harvesting channel

Kaya Tutuncuoglu, Omur Ozel, Aylin Yener, Sennur Ulukus

2014 IEEE Information Theory Workshop (ITW 2014) > 336 - 340

2014 IEEE Information Theory Workshop (ITW)

In this paper, we consider a binary energy harvesting transmitter that wishes to control the amount of side information the receiver can obtain about its energy harvests. Specifically, we study state amplification and state masking, which define the maximum and minimum amount of state information conveyed to the receiver for a given message rate, respectively. For an independent and identically distributed...

chapter

Capacity of the energy harvesting channel with energy arrival information at the receiver

Omur Ozel, Kaya Tutuncuoglu, Sennur Ulukus, Aylin Yener

2014 IEEE Information Theory Workshop (ITW 2014) > 331 - 335

2014 IEEE Information Theory Workshop (ITW)

We determine the capacity of a discrete memoryless communication channel with an energy harvesting transmitter and the energy arrival information available at the receiver as well as the transmitter. We obtain an n-letter capacity expression and prove that the capacity is achieved by an encoding scheme that depends only on the current battery state. Moreover, the capacity is invariant to the non-causal...

chapter

Optimal strategies for targeted influence in signed networks

Basak Guler, Burak Varan, Kaya Tutuncuoglu, Mohamed Nafea, more

2014 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2014) > 906 - 911

2014 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM)

Online social communities often exhibit complex relationship structures, ranging from close friends to political rivals. As a result, persons are influenced by their friends and foes differently. Network applications can benefit from accompanying these structural differences in propagation schemes. In this paper, we study the optimal influence propagation policies for networks with positive and negative...

chapter

Capacity of the discrete memoryless energy harvesting channel with side information

Omur Ozel, Kaya Tutuncuoglu, Sennur Ulukus, Aylin Yener

2014 IEEE International Symposium on Information Theory > 796 - 800

2014 IEEE International Symposium on Information Theory (ISIT)

We determine the capacity of a discrete memoryless communication channel with an energy harvesting transmitter and its battery state information available at the transmitter and the receiver. This capacity is an upper bound for the problem where side information is available only at the transmitter. Since channel output feedback does not increase the capacity in this case, we equivalently study the...

chapter

Improved capacity bounds for the binary energy harvesting channel

Kaya Tutuncuoglu, Omur Ozel, Aylin Yener, Sennur Ulukus

2014 IEEE International Symposium on Information Theory > 976 - 980

2014 IEEE International Symposium on Information Theory (ISIT)

We consider a binary energy harvesting channel (BEHC) where the encoder has unit energy storage capacity. We first show that an encoding scheme based on block indexing is asymptotically optimal for small energy harvesting rates. We then present a novel upper bounding technique, which upper bounds the rate by lower-bounding the rate of information leakage to the receiver regarding the energy harvesting...

chapter

Energy harvesting communications with continuous energy arrivals

Burak Varan, Kaya Tutuncuoglu, Aylin Yener

2014 Information Theory and Applications Workshop (ITA) > 1 - 10

2014 Information Theory and Applications Workshop (ITA)

This work considers an energy harvesting transmitter that gathers a continuous flow of energy from intermittent sources, thus relaxing the modeling assumption of discrete amounts of harvested energy present in all previous work on energy harvesting communications. Tools from convex analysis are utilized to describe the optimal transmission policy as the boundary of a properly defined region based...

chapter

Cooperative energy harvesting communications with relaying and energy sharing

Kaya Tutuncuoglu, Aylin Yener

2013 IEEE Information Theory Workshop (ITW) > 1 - 5

2013 IEEE Information Theory Workshop (ITW 2013)

This paper considers two-hop communication networks where the transmitters harvest their energy in an intermittent fashion. In this network, communication is carried out by signal cooperation, i.e., relaying. Additionally, the transmitters have the option of transferring energy to one another, i.e., energy cooperation. Energy is partially lost during transfer, exposing a trade-off between energy cooperation...

chapter

Energy harvesting two-way half-duplex relay channel with decode-and-forward relaying: Optimum power policies

Kaya Tutuncuoglu, Burak Varan, Aylin Yener

2013 18th International Conference on Digital Signal Processing (DSP) > 1 - 6

2013 18th International Conference on Digital Signal Processing (DSP)

In this paper, a half-duplex two-way relay channel with energy harvesting nodes is considered. In particular, short-term throughput maximization problems are solved using a decode-and-forward relay. Necessary properties of the optimal transmission policy are derived to gain insights into the optimal solution. Then, a subgradient descent algorithm is used to find the optimal policy. It is observed...

chapter

Binary energy harvesting channel with finite energy storage

Kaya Tutuncuoglu, Omur Ozel, Aylin Yener, Sennur Ulukus

2013 IEEE International Symposium on Information Theory > 1591 - 1595

2013 IEEE International Symposium on Information Theory (ISIT)

We consider the capacity of an energy harvesting communication channel with a finite-sized battery. As an abstraction of this problem, we consider a system where energy arrives at the encoder in multiples of a fixed quantity, and the physical layer is modeled accordingly as a finite discrete alphabet channel based on this fixed quantity. Further, for tractability, we consider the case of binary energy...

chapter

Optimum transmission policies for energy harvesting two-way relay channels

Kaya Tutuncuoglu, Burak Varan, Aylin Yener

2013 IEEE International Conference on Communications Workshops (ICC) > 586 - 590

2013 ICC - 2013 IEEE International Conference on Communication Workshop (ICC)

In this paper, two-way relay channels with energy harvesting nodes are considered. In particular, short-term sum-rate maximization problem is solved for half-duplex and full-duplex channels under any relaying strategy. Instantaneous rates achieved with energy constraints are evaluated and compared for different relaying strategies, namely amplify-and-forward, decode-and-forward, compress-and-forward...

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Keywords

ENERGY HARVESTING (20)
BATTERIES (16)
TRANSMITTERS (15)
RESOURCE MANAGEMENT (6)
THROUGHPUT (6)
WIRELESS COMMUNICATION (6)
RECEIVERS (5)
WIRELESS NETWORKS (5)
SOCIAL NETWORK SERVICES (4)
TIMING (4)
CONFERENCES (3)
EDUCATIONAL INSTITUTIONS (3)
ENERGY COOPERATION (3)
FADING (3)
OPTIMAL SCHEDULING (3)
OPTIMIZATION (3)
THROUGHPUT MAXIMIZATION (3)
BATTERY LIMITED NODES (2)
BOUNDARY CONDITIONS (2)
COMMUNITIES (2)
DECODING (2)
DELAYS (2)
ENCODING (2)
ENERGY EXCHANGE (2)
ENERGY HARVESTING NETWORKS (2)
HYBRID RELAYING STRATEGIES (2)
INFORMATION THEORY (2)
MULTIPLE ACCESS CHANNEL (2)
NETWORK PROPAGATION FOR SOCIAL MEDIA (2)
PEER-TO-PEER COMPUTING (2)
POWER TRANSMISSION (2)
RANDOM VARIABLES (2)
RECOMMENDER SYSTEMS (2)
RELAYS (2)
SIGNED NETWORKS (2)
SILICON (2)
SOCIALLY AWARE PHYSICAL SYSTEMS (2)
TWO-WAY CHANNEL (2)
TWO-WAY RELAY CHANNEL (2)
VECTORS (2)
ALGORITHM DESIGN AND ANALYSIS (1)
AMPLIFY-AND-FORWARD (1)
BATTERY EQUIPPED NODES (1)
BATTERY IMPERFECTIONS (1)
CHANNEL CAPACITY (1)
CHANNEL CODING (1)
COMPANIES (1)
COMPRESS-AND-FORWARD (1)
COMPUTE-AND-FORWARD (1)
CONTINUOUS ARRIVALS (1)
DATA MINING (1)
DECODE-AND-FORWARD (1)
DECODE/COMPUTE/COMPRESS/AMPLIFY-AND-FORWARD (1)
DEGRADATION (1)
DIRECTIONAL WATER-FILLING (1)
DYNAMIC PROGRAMMING (1)
ENERGY HARVESTING COMMUNICATIONS (1)
ENERGY HARVESTING NODES (1)
ENERGY HARVESTING WIRELESS TRANSMITTER (1)
ENERGY TRANSFER (1)
ENTROPY (1)
FINITE BATTERY (1)
FINITE ENERGY STORAGE (1)
INEFFICIENT ENERGY STORAGE (1)
INEFFICIENT ENERGY STORAGE. (1)
KNOWLEDGE DISCOVERY (1)
LATTICES (1)
MARKOV PROCESSES (1)
MEASUREMENT (1)
MEDIA (1)
MINIMIZATION (1)
NODES WITH RECHARGEABLE BATTERIES (1)
NOISE (1)
OPTIMAL PACKET SCHEDULING (1)
OPTIMAL POWER ALLOCATION (1)
OUTPUT FEEDBACK (1)
PARTIALLY PROCRASTINATING POWER POLICIES (1)
PROCRASTINATING POWER POLICIES (1)
PROPAGATION DELAY (1)
RADIO TRANSMITTERS (1)
RECHARGEABLE WIRELESS NETWORKS (1)
SENSORS (1)
SHANNON CAPACITY (1)
SOCIAL NETWORKS (1)
STATE DEPENDENT CHANNELS (1)
SUM-RATE MAXIMIZATION (1)
TIMING CHANNEL (1)
TRANSMISSION COMPLETION TIME MINIMIZATION (1)
TWO-HOP NETWORK (1)
TWO-WAY CHANNELS (1)
UPPER BOUND (1)
UTILITY MAXIMIZATION (1)
YTTRIUM (1)
ZINC (1)
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INFONA - science communication portal

Search results for: Kaya Tutuncuoglu

The Binary Energy Harvesting Channel With a Unit-Sized Battery

Energy Harvesting Networks With Energy Cooperation: Procrastinating Policies

Maximizing recommender's influence in a social network: An information theoretic perspective

Throughput Maximization for Two-Way Relay Channels With Energy Harvesting Nodes: The Impact of Relaying Strategies

The binary energy harvesting channel with on-off fading

Fundamental limits of energy harvesting communications

Optimum Policies for an Energy Harvesting Transmitter Under Energy Storage Losses

Using Social Sensors for Influence Propagation in Networks With Positive and Negative Relationships

The energy harvesting and energy cooperating two-way channel with finite-sized batteries

Communicating in a socially-aware network: Impact of relationship types

State amplification and state masking for the binary energy harvesting channel

Capacity of the energy harvesting channel with energy arrival information at the receiver

Optimal strategies for targeted influence in signed networks

Capacity of the discrete memoryless energy harvesting channel with side information

Improved capacity bounds for the binary energy harvesting channel

Energy harvesting communications with continuous energy arrivals

Cooperative energy harvesting communications with relaying and energy sharing

Energy harvesting two-way half-duplex relay channel with decode-and-forward relaying: Optimum power policies

Binary energy harvesting channel with finite energy storage

Optimum transmission policies for energy harvesting two-way relay channels

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