[PDF] Top 20 Structured Compressed Sensing for Channel Estimation under High Speed Mobile Environment

... estimated channel will be equalized by the minimum mean squared error with successive detection (MMSE-SD) equalizer proposed in [22], although other equalizers [23, 24] can be employed as ...different ... See full document

... use channel coding for reliable performance, we adopted the powerful low-density parity-check (LDPC) code with the block length of 64, 8000 bits and code rate of 2/3 as specified by the standard ...best ... See full document

... for high-speed railway wireless channels. In this paper, estimation of Non-WSSUS Channel for OFDM Systems is considered by using Com- pressive Sensing (CS) ...Non-WSSUS channel ... See full document

... beneath high speed-mobility conditions has received much concentration, and the high speed railway broadband wireless access is one of the classic ...the high-bit-rate data, has been ... See full document

... of mobile communi- cations, the so-called fifth generation of mobile communi- cations, are to achieve 1000 times the system capacity and 10 times the spectral efficiency, energy efficiency and data rate, ... See full document

... defined estimation under multiple vectors including length specific, synchronization adaptive, likelihood driven and the speed ...the environment specific estimation with LS inclusion ... See full document

... Future mobile communications involves high data rates across large coverage area, latency, reliability and large number of devices in small ...higher Mobile Bandwidth, Ultra-Reliable Low Latency ... See full document

... The channel impulse response (CIR) of several outdoor radio propagation environments tends to be sparse in nature ...communication environment with distant dominant scatterers, as shown in ...communication ... See full document

... Low-rank channel covariance matrices based methods, such as [22–24]—the finite scattering environment and small angular spread result in high correlation of different paths between the user and the ... See full document

... common channel tap in the first part of the algorithm is to use SOMP algorithm to combine multiple OFDM ...common channel tap will be the initial support set of the dynamic channel tap detection in ... See full document

... in channel impulse response (CIR) can be regarded as ...the channel delays of all transmit antenna can be consid- ered to be consistent due to the small transmission base station ...the channel ... See full document

... especially under severely fading channels with long delays and has difficulty supporting high-order modulations like 256 QAM, which may not accommodate the emerging ultra-high definition television ... See full document

... of channel state information (CSI) [4, 5]. Pilot- aided channel estimation suffers from bandwidth effi- ciency which is very essential for the high-rate com- ...pilot-aided channel ... See full document

... The high channel bandwidth achieved through the delay adaptation technique coupled with the additional SNR accomplished by the beam steering technique, can be used to provide high data rates (20 Gbps ... See full document

... compressive sensing, the only known measurement ensembles which provably satisfy the RIP at a nearly minimal sampling rate are random (such as the Gaussian measurement ensemble in Section ... See full document

... sparse channel estimation issue of multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) ...MIMO-OFDM channel estimation, a compressed channel ... See full document

... Mobility environment leads to time varying frequency selective ...varying channel. Time varying frequency selective MIMO channel estimation demands huge number of training signals since the ... See full document

... the channel obtained with the proposed scheme with SNR = 10 ...that, under the premise of re- ducing the reference signal length by half, OMP and SP result in a SNR gain of more than 5 dB when MSE = 10 − 2 ... See full document

... a high-speed railway system in the hundreds of kilohertz ...a compressed representation of the spatial distribution of the frequency spectrum of the radiated magnetic field generated by the currents ... See full document

... efficient channel estimation ap- proach based on the emerging block-structured compressive sensing is proposed for the downlink massive multiuser (MU) MIMO ...the channel properties of ... See full document