A novel channel estimation technique is proposed for the time-division-duplex long-term
evolution (TDD-LTE) single-carrier frequency-division multiple-access (SC-FDMA) system in …

The combination of the effects of Doppler frequency shifts (due to mobility) and phase noise
(due to the imperfections of oscillators operating at a high carrier frequency) poses serious …

With the fast development of high-speed trains (HST) globally, some related technical issues
of HST communications should be addressed, eg time-variant (TV) radio channel modeling …

In wireless communications, knowledge of the radio channel is essential for channel
equalization at the receiver side. Time-variant frequency-selective (doubly-selective) radio …

针对高速移动时分双工长期演进(TDD-LTE, time division duplex-long term evolution)
上行单载波− 频分多址(SC-FDMA, single carrier-frequency division multiple access) 系统 …

Accurate estimation of the doubly selective mobile radio channels is essential to achieve
satisfactory performance in wideband wireless communication systems like 3GPP LTE. Pilot …

Over doubly selective channel, the optimal complex exponentials BEM (CE-BEM) is required
to characterize the transmission in transform domain in order to reducing the huge number …

The Basis Expansion Model (BEM) is often employed to track the time variant multipath
channels. Using an accurate estimation of the Doppler spread for the BEM gives better …

In orthogonal frequency-division multiplexing systems, the temporal channel gains to
estimate are much more than the observable data over highly mobile channels. The basis …

This paper proposes a channel estimation method based on discrete prolate spheroidal
base extension model (DPS-BEM) for 5G integrated low earth orbit (LEO) satellite systems …