A novel code phase synchronization network for direct sequence spread spectrum

Direct sequence spread spectrum systems require that the receiver´s replica of the spreading waveform be in code-phase and frequency lock with that of the transmitter´s. Present methods of achieving synchronization involve correlation and energy detection. This paper presents the development of an alternative synchronization network. The network is a novel robust feedback loop where the input is the differentiated transmitter pseudo-noise sequence. The effects of these positive and negative going voltage spikes modulate the receiver clock until lock is achieved. The loop is further adapted to a data driven environment