Transcription of Processing Gain for Direct Sequence Spread TM …
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Processing Gain for Direct Sequence Spread TM …
1 TMAN9633 Processing gain for Direct Sequence SpreadSpectrum Communication Systems and PRISM IntroductionThis application note addresses theconcept of Processing gain (PG) ofDirect Sequence Spread Spectrum(DSSS) systems. The PRISM chipsetis used to implement DSSS radio designs. The processinggain provides the unique properties to the DSSS waveformprimarily in terms of interference tolerance. The PG of aDSSS system is centered around the utilization of randomcodes which are used in conjunction with the data. Theserandom codes are referred as Pseudo Noise (PN) HSP3824 provides this coding capability for the a DSSS system random binary data with a bit rate ofrbbits per sec (bps) is multiplied (Exclusive Ored) by apseudorandom binary waveform, which is at much higherrate and it provides the frequency spreading operation.
1 TM AN9633 Processing Gain for Direct Sequence Spread Spectrum Communication Systems and PRISM® Introduction This application note addresses the concept of processing gain (PG) of
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