Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Chenggang Jiang"'
Publikováno v:
2012 IEEE 14th International Conference on Communication Technology.
Spectrum sensing enables cognitive radio to obtain radio environment knowledge. Most of spectrum sensing encounters low signal to noise ratio (SNR) signal detection problem. However, non-ideal noise which is modeled as noise uncertainty degrades the
Publikováno v:
2008 4th International Conference on Wireless Communications, Networking and Mobile Computing.
Sparse multi-path is encountered in OFDM and Ultra-wideBand (UWB) communications. Conventional channel estimation methods ignore the prior knowledge of the sparseness, and estimates have higher MSE. We introduced two approaches: Lp norm constraint me
Publikováno v:
2008 4th International Conference on Wireless Communications, Networking & Mobile Computing; 2008, p1-3, 3p