Cost-aware learning and optimization for opportunistic spectrum access
In this paper, we investigate cost-aware joint learning and optimization for multi-channel
opportunistic spectrum access in a cognitive radio system. We investigate a discrete-time …
opportunistic spectrum access in a cognitive radio system. We investigate a discrete-time …
Distributed stochastic online learning policies for opportunistic spectrum access
Y Gai, B Krishnamachari - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
The fundamental problem of multiple secondary users contending for opportunistic spectrum
access over multiple channels in cognitive radio networks has been formulated recently as a …
access over multiple channels in cognitive radio networks has been formulated recently as a …
Online learning for multi-channel opportunistic access over unknown markovian channels
A fundamental theoretical problem in opportunistic spectrum access is the following: a single
secondary user must choose a channel to sense and access at each time, with the …
secondary user must choose a channel to sense and access at each time, with the …
Online learning in opportunistic spectrum access: A restless bandit approach
We consider an opportunistic spectrum access (OSA) problem where the time-varying
condition of each channel (eg, as a result of random fading or certain primary users' …
condition of each channel (eg, as a result of random fading or certain primary users' …
Efficient online learning for opportunistic spectrum access
The problem of opportunistic spectrum access in cognitive radio networks has been recently
formulated as a non-Bayesian restless multi-armed bandit problem. In this problem, there …
formulated as a non-Bayesian restless multi-armed bandit problem. In this problem, there …
Sensing and probing cardinalities for active cognitive radios
In a cognitive radio network, opportunistic spectrum access (OSA) to the underutilized
spectrum involves not only sensing the spectrum occupancy but also probing the channel …
spectrum involves not only sensing the spectrum occupancy but also probing the channel …
Decentralized online learning algorithms for opportunistic spectrum access
Y Gai, B Krishnamachari - 2011 IEEE Global …, 2011 - ieeexplore.ieee.org
The fundamental problem of multiple secondary users contending for opportunistic spectrum
access over multiple channels in cognitive radio networks has been formulated recently as a …
access over multiple channels in cognitive radio networks has been formulated recently as a …
Optimal competitive algorithms for opportunistic spectrum access
We consider opportunistic spectrum access (OSA) strategies for a transmitter in a
multichannel wireless system, where a channel may or may not be available and the …
multichannel wireless system, where a channel may or may not be available and the …
Equilibrium sensing time for distributed opportunistic access incognitive radio networks
In this paper, we consider a distributed opportunistic access (D-OSA), in which cognitive
radio (CR) users attempt to access a channel licensed to a primary network. In this context …
radio (CR) users attempt to access a channel licensed to a primary network. In this context …
Channel exploration and exploitation with imperfect spectrum sensing in cognitive radio networks
Z Zhang, H Jiang, P Tan… - IEEE Journal on Selected …, 2013 - ieeexplore.ieee.org
In this paper, the problem of opportunistic channel sensing and access in cognitive radio
networks when the sensing is imperfect and a secondary user can access up to a limited …
networks when the sensing is imperfect and a secondary user can access up to a limited …