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In direct sequence (DS) spread spectrum communication system, the first condition of receiving correct data is code synchronization. Synchronization is one of the key techniques in spread spectrum communication systems. This paper presents pseudo-noise (PN) code acquisition and tracking technology. Spread spectrum communication technology is combined with software radio technology to constitute spread...
In direct sequence (DS) spread spectrum communication system, the first condition of receiving correct data is chip synchronization. Delay-locked loop (DLL) is an important part of implementing chip synchronization in digital receiver. This paper explores fundamental of digital DLL, presents basic structure of it. Much attention has been paid for algorithm of phase detector and working principle of...
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