4.4 Signal Propagation and Targets信号传播与目标 Narrowband and wideband free-space propagation, multipath underwater sound propagation, atmospheric losses, spatial MIMO channels, radar cross section, sonar target strength, Swerling targets窄带和宽带自由空间传播,多径水声传播,大气损耗,空间MIMO信道,雷达横截面...
nerr = nerr + helperMIMOBER(sisompchan,x,ebn0_param,1,wr); end ber_sisomp = nerr/Nsamp;In SISO cases, if you compare the channel matrix of a LOS channel with that of a multipath channel, you can notice it contains a single element and the value of the element changes ...
A 5 GHZ BEAM STEERING ARRAY FOR PORTABLE WIRELESS MIMO APPLICATIONChamok, N.Ali, M.INTERNATIONAL SYMPOSIUM DIGEST ANTENNAS AND PROPAGATION
Beam training has been widely used to acquire CSI in high-frequency systems [8,9]. Instead of estimating the entire channel matrix, beam training only identifies the location of the user equipment (UE). Because of the quasi-optical characteristics of high-frequency channels, near-optimal ...
H MIMO channel matrix of size NR × NT NRTF Number of Rx RF chains Hybrid beamforming systems are complex to The scattering channel is denoted by H. develop. You can use modeling techniques to de- sign and evaluate massive MIMO arrays and the corre- sponding RF and digital architectures ...
Fig. 2. Extracting snapshots containing iid clutter contributions with a sliding window over the STAP range gate (top) and vectorising them to produce the observation matrix Xm,n (bottom). Once obtained from the sliding window, the snapshots are vectorised by stacking their columns on top of...
This work introduces a large dataset comprising impulse responses of spatially distributed sources within a plane parallel to a planar microphone array. The dataset, named MIRACLE, encompasses 856,128 single-channel impulse responses and includes four different measurement scenarios. Three measurement scenar...
However, in tightly packed arrays the effects of mutual coupling between the radiating elements can severely limit the array’s performance. The proposed antenna array consists of a 3 × 3 matrix of patch radiators that are tightly packed and interconnected to each other. Rows of radiators are ...
Channel behavior for very-large MIMO systems - initial characterization Wireless communication using very-large multiple-input multiple-output (MIMO) antennas is a new research field, where base stations are equipped with a very large number of antennas as compared to previously considered systems. Unl...
In response to ever increasing high demands for larger channel capacities, EM spectrum efficiency, and communication security, several technologies have been introduced, such as Multiple-Input Multiple-Output (MIMO)1, Spread-Spectrum2, Multi-level modulation3 along with others. Another recently proposed...