Introduction to Spread Spectrum Systems


     Dinesh Rajan

13.1 Introduction

13.2 Direct Sequence Spread Spectrum

13.3 Frequency Hopping Spread Spectrum

Time Hopping Spread Spectrum

13.4 Applications of Spread Spectrum

DS–CDMA-Based Cellular Systems


Ultrawideband Systems

Synchronization Issues in Spread Spectrum Systems

13.5 Conclusions


13.1 Introduction


Spread spectrum signals typically refer to signals that use a bandwidth that is significantly higher than the minimum bandwidth required to transmit that information sequence. Although bandwidth is a precious commodity, increasing the bandwidth of the signal prior to transmission results in several advantages: (i) The resulting power spectral density (PSD) of the ...

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