Optimal Power Allocation of Relay Sensor Node Capable of Energy Harvesting in Cooperative Cognitive Radio Network.
Pham Ngoc SonDongsoo HarNam Ik ChoHyung Yun KongPublished in: Sensors (2017)
Keyphrases
- cognitive radio
- base station
- sensor nodes
- cognitive radio networks
- power allocation
- wireless sensor networks
- energy consumption
- spectrum sensing
- sensor networks
- wireless communication
- multiple input multiple output
- relay nodes
- data transmission
- energy efficient
- energy efficiency
- multi hop
- cellular networks
- sensor data
- residual energy
- sink node
- resource allocation
- energy saving
- mobile networks
- cluster head
- wireless networks
- network lifetime
- routing algorithm
- data collection
- wireless mesh networks
- routing protocol
- high frequency
- wifi
- key technologies
- wireless channels
- response time
- communication systems
- data center
- social networks