Browse Items (7 total)
Sort by:
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Sensing and analysis of spectrum holes in ISM band using USRP testbed
The spectrum frequency in the wireless communication industry is getting
great attention due to the internet of things (IoT) technology's growth.
However, the radio spectrum's frequency band use is limited because the
primary user for specific…
great attention due to the internet of things (IoT) technology's growth.
However, the radio spectrum's frequency band use is limited because the
primary user for specific…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Spectral opportunity selection based on the hybrid algorithm AHP-ELECTRE
Due to an ever-growing demand for spectrum and the fast-paced development of wireless applications, technologies such as cognitive radio enable the efficient use of the spectrum. The objective of the present article is to design an algorithm capable…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Effect of random sampling on spectrum sensing for cognitive radio networks
Cognitive radio is a mechanism allowing dynamic access to spectrum
channels. Since its beginnings, researchers have been working on using this
inventive technology to control and manage the spectrum resources.
Consequently, this research field has…
channels. Since its beginnings, researchers have been working on using this
inventive technology to control and manage the spectrum resources.
Consequently, this research field has…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
An optimized power allocation algorithm for cognitive radio NOMA communication
The primary objective of cognitive radio network is to effectively utilize the
unused spectrum bands. In cognitive radio networks, spectrum sharing
between primary and secondary users is accomplished using either underlay
or interweave cognitive…
unused spectrum bands. In cognitive radio networks, spectrum sharing
between primary and secondary users is accomplished using either underlay
or interweave cognitive…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Enhanced the accuracy of idle time in cognitive radio network
This paper addresses the essential part of modelling primary user (PU) activity
pattern in the time domain, which involved choosing the best distribution fit
to represent idle and busy time. The accurate PU activity model plays a vital
role in…
pattern in the time domain, which involved choosing the best distribution fit
to represent idle and busy time. The accurate PU activity model plays a vital
role in…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Failed handoffs in collaborative Wi-Fi networks
Cognitive radio networks enable a more efficient use of the radioelectric
spectrum through dynamic access. Decentralized cognitive radio networks have gained popularity due to their advantages over centralized networks. The purpose of this article…
spectrum through dynamic access. Decentralized cognitive radio networks have gained popularity due to their advantages over centralized networks. The purpose of this article…
TELKOMNIKA Telecommunication, Computing, Electronics and Control
Study on outage performance gap of two destinations on CR-NOMA network
Non-orthogonal multiple access (NOMA) and cognitive radio (CR) are
promising to overcome spectral scarcity problem encountered in applications implementations in wireless communication. Especially, massive connectivity in such network is strict…
promising to overcome spectral scarcity problem encountered in applications implementations in wireless communication. Especially, massive connectivity in such network is strict…