Saadat Dehgan, Changiz Ghobadi, Javad Nourinia, Jie Yang, Guan Gui, Ehsan Mostafapour, Vol. 12, No. 3, March 30, 2018
10.3837/tiis.2018.03.004

• channel estimation
• Sparse
• Non-Stationary
• Adaptive algorithms
• Variable threshold.