… communication system, in the form of OFDM, has attracted considerable interest in the field
of underwater acoustic communication (… ) for the purpose of modulation/demodulation. This …

… By recognizing that ICI in OFDM is analogous to ISI in single-carrier modulation (SCM),
block equalization [9], [10] and serial equalization [11]–[13] have been utilized to mitigate its …

… The OFDM modulation is calibrated by using the design criteria of our intelligent module, ie
by configuring NCP = DelaySpread/Ts and N = 0.08/(DopplerSpread · Ts) − NCP . Therefore, …

… the application of OFDM modulation to multiuser underwater acoustic communications.
Should the signals from multiple users be synchronized at the receiver on the OFDM block level, …

… modulation over UWA channel using matrix and vector forms [17]. As described above, by
adjusting OFDM modulator … acoustic communication instead of OFDM and DFT-s-OFDM. In the …

… OFDM modulation has been used in UWA communications as an alternative to single carrier
broadband modulation to achieve fair data rate transmission while combining efficiently the …

… last decade, the conversion of OFDM modulation [11] to UWAC has … OFDM-based UWAC
modulation systems have demonstrated … Thus, UWAC systems based on OFDM often require …

… underwater acoustic communications. A preamble that consists of two identical OFDM symbols
… synchronization and wideband modulation for underwater acoustic communication. He is …

… 1, we can see that the modulation/demodulation of the OFDM … digital modulation techniques
can be used for modulating … of the acoustic channel, MPSK is usually adopted for OFDM [5]. …

… Tables 2 and 3 show the BER results of the plain OFDM scheme with QPSK modulation (OFDM-Q),
the plain OFDM scheme with BPSK modulation (OFDM-B), and the mirror-mapping-…