Cognitive radio-based clustering for opportunistic shared spectrum access to enhance lifetime of wireless sensor network.
Sudhanshu TyagiSudeep TanwarNeeraj KumarJoel J. P. C. RodriguesPublished in: Pervasive Mob. Comput. (2015)
Keyphrases
- cognitive radio
- wireless sensor networks
- cognitive radio networks
- spectrum sensing
- base station
- wireless communication
- energy consumption
- network access
- cooperative spectrum sensing
- data gathering
- network lifetime
- clustering algorithm
- energy efficient
- wireless networks
- communication systems
- power control
- sensor nodes
- sensor networks
- key technologies
- data transmission
- multi hop
- information systems
- communication networks
- residual energy
- access control
- cellular networks
- computer simulation
- energy efficiency
- data dissemination
- cluster head
- maximum lifetime
- computer systems
- response time
- digital libraries