Improving Spectral Capacity and Wireless Network Coverage by Cognitive Radio Technology and Relay Nodes in Cellular Systems.
Flemming Bjerge FrederiksenPublished in: Wirel. Pers. Commun. (2008)
Keyphrases
- wireless networks
- cellular networks
- cognitive radio
- cellular systems
- base station
- wireless communication
- multi hop
- relay nodes
- ad hoc networks
- mobile networks
- key technologies
- wifi
- wireless sensor networks
- mobile users
- cross layer
- cooperative
- ofdm system
- wireless mesh networks
- data transmission
- energy efficient
- energy consumption
- low cost
- mobile devices