Cognitive radio access to TV white spaces: Spectrum opportunities, commercial applications and remaining technology challenges
M Nekovee - 2010 IEEE symposium on new frontiers in …, 2010 - ieeexplore.ieee.org
Cognitive radio is being intensively researched as the enabling technology for secondary
access to the so-called TV White Spaces (TVWS), large portions of spectrum in the UHF/VHF …
access to the so-called TV White Spaces (TVWS), large portions of spectrum in the UHF/VHF …
Advanced sensing techniques of energy detection in cognitive radios
Recently, spectrum sensing has been intensively studied as a key technology in realizing
the cognitive radio. There have been advances in the performance of spectrum sensing …
the cognitive radio. There have been advances in the performance of spectrum sensing …
Energy detection of DVB-T signals against noise uncertainty
In this letter, we consider the spectrum sensing of digital video broadcasting-terrestrial (DVB-
T) signals with energy detection (ED). ED delivers a superior performance among low …
T) signals with energy detection (ED). ED delivers a superior performance among low …
Sensing threshold control for fair coexistence of heterogeneous systems in open spectrum
A critical problem in open-spectrum communications is fairness with respect to the
coexistence of heterogeneous systems with different resource units and traffic models. In …
coexistence of heterogeneous systems with different resource units and traffic models. In …
Orthogonal frequency-division multiplexing-based cooperative spectrum sensing for cognitive radio networks
A Marwanto, SKS Yusof… - … Electronics and Control), 2014 - telkomnika.uad.ac.id
The detection of transmitted data collusion among sensing nodes needs to be resolved at
data link layer. It takes a lot algorithm calculation effort and time constraint. A new method to …
data link layer. It takes a lot algorithm calculation effort and time constraint. A new method to …
Learning based spectrum sensing in OFDM cognitive radios
MU Muzaffar - 2012 - dspace.aus.edu
Cognitive Radio (CR) is an innovative technology introduced to efficiently utilize the
spectrum. It allows secondary users to access the licensed portion of the spectrum when it is …
spectrum. It allows secondary users to access the licensed portion of the spectrum when it is …
The effect of noise uncertainty to the performance of energy detection in cooperative detection
G Wei, D Zhang, S Zhang - 2010 3rd IEEE International …, 2010 - ieeexplore.ieee.org
Sensing the spectrum effectively is one of the key technologies in cognitive radio. Lots of
detection algorithms can be used to detect the existence of the spectrum holes, cooperative …
detection algorithms can be used to detect the existence of the spectrum holes, cooperative …
A review and verification of detection algorithms for dvb-t signals
J Wang, A Pervez, M Nekovee - 2010 7th International …, 2010 - ieeexplore.ieee.org
With the evolution of new services and widespread wireless applications, it is inevitable that
there will be intense demand on the radio spectrum resources in the future. Cognitive radio …
there will be intense demand on the radio spectrum resources in the future. Cognitive radio …
基於短循環字首長度下利用領航訊號在DVB-T2 的頻譜檢測
S Wang - 2013 - ir.lib.ncu.edu.tw
摘要(中) 在現代的無線通訊中, 正交分頻多工系統(Orthogonal Frequency-Division
Multiplexing, OFDM) 已經被廣泛使用於各種裝置中-例如數位電視廣播系統. 在這種情況下 …
Multiplexing, OFDM) 已經被廣泛使用於各種裝置中-例如數位電視廣播系統. 在這種情況下 …
[HTML][HTML] Achievable throughput comparison of sensing-based and interference-constrained transmissions in cognitive radio networks
Cognitive radio has been introduced in order to solve the spectrum scarcity problem (Haykin
2005). Although having limited radio resources, we need lots of spectrum to deploy newly …
2005). Although having limited radio resources, we need lots of spectrum to deploy newly …