[PDF] Top 20 Low-Complexity Geometry-Based MIMO Channel Simulation

... the simulation of Rayleigh fading processes using Clarke’s [7] channel ...computational complexity of Clarke’s model by a factor of four by exploiting the symmetry of the AoA dis- ...duced ... See full document

... All simulation cases have frequency/time offset of 40 ppm, introduced by TX/RX carrier frequency mismatch and TX/RX sam- pling mismatch from ADC converter, ...algorithms. Channel estimation is done by ... See full document

... selection based on a greedy algorithm cannot provide a globally optimal solution due to its semi-orthogonal ...for channel quality information (CQI), we propose an efficient CQI quantizer based on a ... See full document

... massive MIMO-OFDM systems, channel estimation is a significant module which can be utilized to eliminate multipath ...system complexity and correctly compensate CFO, we propose an improved OFDM frame ... See full document

... combining low-density parity check (LDPC) code with unitary space time modulation (USTM) for noncoherent multiple-input-multiple-output (MIMO) transmit- ter and receiver over Rayleigh block fading and ... See full document

... massive MIMO downlink system operating with TDD ...a low-complexity algorithm for JASUS method based on AMCMC algorithm in the downlink multi-cell multi-user massive MIMO ...and ... See full document

... through channel taps and is corrupted by AWGN (0 dB, 5 dB, 10 dB, 15 dB, 20 dB, 25 dB, and 30 dB, ...estimated channel SER results together with theoretical SER in Figure ...as simulation results for ... See full document

... A low-complexity multiple-input multiple-output (MIMO) subspace detection algorithm is ...is based on decomposing a MIMO channel into multiple subsets of decoupled streams that ... See full document

... beam-domain channel estimation and precoding for hybrid architec- ture massive MIMO ...a low- complexity channel estimation algorithm based on the estimated beam ...efficiency. ... See full document

... high channel capacities in a single-user MIMO ...imperfect channel state information (CSI) and a simplified waterfilling ...norm based selection and other benchmark selection ...at low ... See full document

... a low-complexity TD submit-processing to suppress the ...and complexity of the proposed channel estimator are analyzed and established through computer ...simulation. Simulation ... See full document

... the channel coding, for which the maximum number of iterations was ...uplink channel response was perfectly known at the RAS, and there were no time/frequency offsets in the ...the simulation are ... See full document

... (DOA). Low-complexity projection approximation and subspace tracking of deflation (PASTd) is able to estimate signal subspace without computing eign-value decomposition of the cross correlation matrix or ... See full document

... between complexity and perfor- mance is performed for a MU MIMO-OFDM system incorporating iterative channel estimation and ...popular channel estimation algorithms, one based on ... See full document

... multi-user MIMO system, where each base station (BS) in cells is equipped with N antennas and com- municates with K single-antenna users ( K N ) ...that channel state informa- tion (CSI) is known at the BS ... See full document

... Figure 5 and Figure 6 show the performance of a 2 1  and a 2 2  systems with frequency-independent I/Q imbalances, respectively. It is observed from the “No- comp” curves that the I/Q imbalances significantly de- grade ... See full document

... cluster-based channel models and its effect on the system performance of massive MIMO has not been well studied in the ...wave) channel model, and investigates the effect of shared clusters on ... See full document

... for MIMO systems. We present some numerical simulation results obtained using different cyclic frequencies and numbers of antennas to demon- strate the performance of the proposed combining de- tection ... See full document

... in MIMO-OFDM systems, where two receivers combining space-frequency and time domain processing are proposed for the symbol and channel ...a complexity that depends on the numbers of iter- ation and ... See full document

... present simulation scenario, the computational complexity of the LS estimation and the proposed estimation methods are measured and compared in terms of number of mathematical ...of complexity when ... See full document