Spread spectrum methods are used in underwater acoustic communication (UAC) systems
to provide robust acoustic links or long distance communication abilities. However, the …

Aimed at solving the problem of low data rate of direct sequence spread spectrum
underwater acoustic communication and that of complexity of the receivers of M-ary spread …

Conventional underwater acoustic (UWA) spread spectrum communication technology
usually uses m sequence as a spreading code, but pulse position modulation (PPM) spread …

Due to multipath propagation and frequency selective fading, there are many obstacles for
reliable and high data rate underwater acoustic (UWA) communication. OFDM is an …

This article deals with the performance of quasi-orthogonal sequence in underwater
acoustic direct sequence spread spectrum communication. A code division multiple access …

Because of its immunity to multi-path propagation and high efficiency of using limited
frequency bandwidth, OFDM (Orthogonal Frequency Division Multiplexing) is often used in …

Owing to its anti-noise and anti-fading abilities, spread spectrum communication is widely
applied in the underwater acoustic (UWA) field. But the data rate of the Direct Sequence …

Aiming at reducing the system complexity, raising communication rate and supporting
CDMA based applications, a direct sequence spread spectrum based underwater acoustic …

Due to the low data rate of direct sequence spread spectrum (DSSS) underwater acoustic
communication (UAC), a higher data rate spread spectrum UAC system based on M family …

Nowadays, the construction and application of underwater acoustic (UWA) networks has
received much focus in the research area of UWA communication. This paper constructed …