Results 231 to 240 of about 4,266 (280)

Smart Underwater Sensor Network GPRS Architecture for Marine Environments. [PDF]

open access: yesSensors (Basel)
Carvajal-Gámez BE   +2 more
europepmc   +1 more source

A Survey on Radio Resource Allocation in Cognitive Radio Sensor Networks

IEEE Communications Surveys and Tutorials, 2015
Wireless sensor networks (WSNs) use the unlicensed industrial, scientific, and medical (ISM) band for transmissions. However, with the increasing usage and demand of these networks, the currently available ISM band does not suffice for their transmissions. This spectrum insufficiency problem has been overcome by incorporating the opportunistic spectrum
Ayaz Ahmad   +2 more
exaly   +2 more sources

Network Layer for Cognitive Radio Sensor Networks

open access: yes, 2014
Based on recent trends, Cognitive Radio paradigm has become an integral part of future communication networks of which Wireless Sensor Network is an integral part. However, Cognitive Radio (CR) introduces critical issues that have to be addressed for communication in networks to be achieved.
Zubair, S.   +7 more
openaire   +2 more sources

Analysis of a Network Stability-Aware Clustering Protocol for Cognitive Radio Sensor Networks

open access: yesIEEE Internet of Things Journal, 2021
Cognitive radio is becoming an increasingly important component of Internet of Things technologies, because it improves spectrum efficiency and provides a way to overcome the challenge of excessive demand for wireless communications.
Vladimir Shakhov, Insoo Koo
exaly   +2 more sources

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