Orthogonal chirp division multiplexing (OCDM) was recently introduced as a new multi-
carrier scheme based on the chirp spread spectrum (CSS) and shown to be more robust to …

Autonomous underwater vehicles (AUVs) equipped with acoustic modems are currently one
of the important means of obtaining underwater environment data such as sounds and …

Orthogonal chirp division multiplexing (OCDM) has recently become an appealing scheme
for high-speed communications. However, due to the spreading feature of OCDM systems in …

Underwater communications are fundamental techniques for the Internet of Underwater
Things (IoUT) to establish information links among underwater devices. Recently …

This letter proposes a joint channel estimation and Schmidl & Cox synchronization for the
orthogonal chirp-division multiplexing (OCDM) scheme. First, it is proven that a symbol …

Background To resist the time-variant underwater acoustic (UWA) channel, large amounts of
channel estimation algorithms for the UWA orthogonal frequency division multiplexing …

We propose an effective, low complexity and multifaceted scheme for peak-to-average
power ratio (PAPR) reduction in the orthogonal frequency division multiplexing (OFDM) …

This article deals with peak to average power (PAPR) reduction in a single and multi‐user
orthogonal chirp division multiplexing (OCDM) context. Two methods for PAPR reduction …

Mobile underwater acoustic communication technology has been widely employed in
marine measurement and offshore engineering. The irregular relative motion between the …

Signaling schemes robust to large Doppler shifts are needed for reliable underwater
acoustic (UWA) communication, and orthogonal time frequency space (OTFS) and …