Apr 16, 2007 · Abstract: We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e., ...
We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e. when the time varying spectral ...
Abstract—We investigate the capacity of opportunistic com- munication in the presence of dynamic and distributed spectral activity, i.e. when the time ...
People also ask
What is the limitation of cognitive radio?
Drawbacks or disadvantages of Cognitive Radio
➨There is no complete automation and it requires user intervention for any changes to be implemented. ➨It always requires multi band antenna. ➨Security concern: There are more chances open for attackers in cognitive radio technology compare to traditional wireless networks.
What is the capability of cognitive radio?
6. Cognitive capability Cognitive capability refers to the ability of the radio technology to capture or sense the information from its radio environment. Through this capability, the portions of the spectrum that are unused at a specific time or location can be identified.
What is dynamic spectrum access in cognitive radio?
Dynamic spectrum access: The process and mechanisms for a type of spectrum access that occurs when different RANs and terminals dynamically access spectrum bands which are overlapping, in whole or in part, causing less than an admissible level of mutual interference, according to regulatory rules, and may be done with ...
What is spectrum allocation in cognitive radio networks?
Abstract. Cognitive radio technology can be utilized to make optimal use of spectrum. Spectrum allocation is a critical operation for assigning appropriate idle-free frequency bands to the unlicensed users while reducing interference among all the users.
We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e., when the time varying ...
We investigate the capacity of opportunistic communication in the presence of dynamic and distributed spectral activity, i.e., when the time varying ...
Jun 5, 2008 · Srinivasa, “Capacity limits of cognitive radio with dis- tributed and dynamic spectral activity,” IEEE J. Select. Areas Commun., vol. 25, pp ...
In this chapter we explore the fundamental limits of communication in channels employing cognitive radios. We take an informationtheoretic approach, making use ...
This paper addresses the problem of distributed dynamic spectrum access in a cognitive radio (CR) environment utilizing deep recurrent reinforcement ...
Apr 23, 2021 · In this paper, we propose a new algorithm for distributed spectrum sensing and channel selection in cognitive radio networks based on ...
Missing: Capacity | Show results with:Capacity
Feb 9, 2024 · Dynamic spectrum access is the most vital application of cognitive radios. The PU bands are opportunistically accessed by the SU networks such ...