Direct spread spectrum communication has the advantages of strong anti-jamming ability
and low probability of interception, which plays an essential role in both civil and military …

A receiver for blind beacon estimation of low Earth orbit (LEO) satellite signals with
application to UAV navigation is presented. The receiver operates in three stages:(i) blind …

In non‐cooperative scenarios, the spreading sequences or waveforms of the direct
sequence spread spectrum (DSSS) signals is unknown to the receiver. This paper focuses …

At the transmitter of a Direct Sequence Spread Spectrum (DSSS) communication system,
data bits are spread using a spreading sequence. To demodulate the transmitted data bits …

Direct sequence spread spectrum (DSSS) signals are widely used in various military and
civilian communication systems. It adopts the pseudorandom (PN) sequence to modulate …

Direct sequence spread spectrum (DSSS) signals are now widely used for communications.
DSSS transmitters use a spreading sequence to modulate the baseband signal before …

Considering the channel noise was present, we presented techniques to reconstruct the
feedback polynomial as well as the initial state of a scrambler placed after a channel …

Several existing direct‐sequence spread spectrum (DSSS) detection and estimation
algorithms assume prior knowledge of the symbol period or sequence length, although very …

Despreading signal at receiver side requires prior knowledge of the spreading sequences in
direct‐sequence code division multiple access (DS‐CDMA) system. However, the …

研究了短码DS-SS 信号的扩频序列及信息序列联合盲估计问题. 首先, 利用双信息符号周期,
间隔一信息符号周期的时间窗对接收信号进行重组, 并形成接收信号矩阵. 然后 …