Browsing by Keywords "Power allocation"
Now showing items 1-16 of 16
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Convexity properties of detection probability for noncoherent detection of a modulated sinusoidal carrier
(Institute of Electrical and Electronics Engineers, 2018)In this correspondence paper, the problem of noncoherent detection of a sinusoidal carrier is considered in the presence of Gaussian noise. The convexity properties of the detection probability are characterized with respect ... -
A game theoretic approach to channel switching in the presence of jamming
(IEEE, 2021-10-14)In this letter, a channel switching problem is investigated in the presence of jamming based on a game theoretic approach. First, a convex formulation of the optimal channel switching problem is proposed for a given jamming ... -
Jamming of Wireless Localization Systems
(Institute of Electrical and Electronics Engineers Inc., 2016)In this paper, the optimal jamming of wireless localization systems is investigated. Two optimal power allocation schemes are proposed for jammer nodes in the presence of total and peak power constraints. In the first ... -
Jamming strategies in wireless source localization systems
(IEEE, 2019-08)We consider optimal jamming strategies in wireless source localization systems, where anchor nodes estimate positions of target nodes in the presence of jammers that emit zero-mean Gaussian noise. The Cramér-Rao lower bound ... -
Localization via visible light systems
(Institute of Electrical and Electronics Engineers, 2018)Visible light communication (VLC) is an emerging paradigm that enables multiple functionalities to be accomplished concurrently, including illumination, high-speed data communications, and localization. Based on the VLC ... -
Optimal and robust power allocation for visible light positioning systems under illumination constraints
(IEEE, 2019-01)The problem of optimal power allocation among light emitting diode (LED) transmitters in a visible light positioning system is considered for the purpose of improving localization performance of visible light communication ... -
Optimal channel switching and randomization over flat-fading channels for outage capacity maximization
(Institute of Electrical and Electronics Engineers, 2022-11-16)In this letter, the optimal channel switching and randomization problem is formulated and its solution is characterized for flat-fading Gaussian noise channels with the aim of outage capacity maximization under average ... -
Optimal channel switching in multiuser systems under average capacity constraints
(Elsevier, 2017)In this paper, the optimal channel switching problem is studied for average capacity maximization in the presence of multiple receivers in the communication system. First, the optimal channel switching problem is proposed ... -
Optimal jamming of wireless localization systems
(IEEE, 2015-06)In this study, optimal jamming of wireless localization systems is investigated. Two optimal power allocation schemes are proposed for jammer nodes in the presence of total and peak power constraints. In the first scheme, ... -
Optimal power allocation and optimal linear encoding for parameter estimation in the presence of a smart eavesdropper
(IEEE, 2022-08-11)In this article, we consider secure transmission of a deterministic vector parameter from a transmitter to an intended receiver in the presence of a smart eavesdropper. The aim is to determine the optimal power allocation ... -
Optimal power allocation for average detection probability criterion over flat fading channels
(Institute of Electrical and Electronics Engineers Inc., 2017)In this paper, the problem of optimal power allocation over flat fading additive white Gaussian noise channels is considered for maximizing the average detection probability of a signal emitted from a power constrained ... -
Optimal power allocation for jammer nodes in wireless localization systems
(Institute of Electrical and Electronics Engineers Inc., 2017)In this paper, optimal power allocation strategies are investigated for jammer nodes in a wireless localization system. Building upon the concept of the restricted Bayesian approach, a generalized optimization strategy, ... -
Physical layer security over frequency selective fading channels
(Bilkent University, 2016-01)The inherent open nature of the transmission medium makes security a challenging issue in wireless networks. Physical layer security, which is an alternative or a complement to the cryptographic approaches, exploits the ... -
Power allocation and temporal fair user group scheduling for downlink NOMA
(Springer, 2021-08)Non-Orthogonal Multiple Access (NOMA) has been proposed as a new radio access technique for cellular networks as an alternative to OMA (Orthogonal Multiple Access) in which the users of a group (pairs or triples of users ... -
Power control games between anchor and jammer nodes in wireless localization networks
(Institute of Electrical and Electronics Engineers, 2018)In this paper, a game theoretic framework is proposed for wireless localization networks that operate in the presence of jammer nodes. In particular, power control games between anchor and jammer nodes are designed for a ... -
Random spreading for unsourced MAC with power diversity
(IEEE, 2021-10-11)We propose an improvement of the random spreading approach with polar codes for unsourced multiple access, for which each user first encodes its message by a polar code, and then the coded bits are spread using a random ...
