… OFDM is in essence an application of spatial modulation, which is a kind of multi-inputmulti-output technique [11]-[13], to OFDM … the potential to outperform plain OFDM in terms of both …
… Thus, we can avoid the using the IQ modulator. The diagram of the implemented … for underwater acousticcommunications, which utilizes the guard interval (GI) embedded in an OFDM …
F Frassati, C Lafon, PA Laurent… - Europe Oceans …, 2005 - ieeexplore.ieee.org
… General principles about OFDM design The OFDMmodulation we developed for shallow water communication purposes has been adapted kom a waveform previously developed for …
… Abstract—Underwater acousticcommunication is essential in applications like remote control … OFDMmodulated dynamic code cooperation scheme for underwater relay networks where …
… communication. Orthogonal Frequency Division Multiplexing (OFDM) (or more generally multi-carrier modulation, … for communications through multi-path communications channels. The …
P Kumar, P Kumar - 2012 1st International Conference on …, 2012 - ieeexplore.ieee.org
… ,2/1s T f=∆ which is only half of the subcarrier spacing of an IFFT modulatedOFDM signal leading to further compaction. Few fast DCT algorithms proposed in [19] and [20] can provide …
Z Chen, Z He, K Niu, Y Rong - … on Wireless Communications …, 2018 - ieeexplore.ieee.org
… The diagram of the UA OFDM system is shown in Fig. 2, the information bits b(t) are mapped into symbols by Turbo coding and modulation constellation. The insertion of the pilot is used …
… (UWA) communications. Compared to existing deep neural network (DNN) OFDM receivers composed of fully connected (FC) layers, our model tailors complex UWA communications …