'Spread spectrum signal' diaporamas de présentation

Data and Computer Communications

791 views • 47 slides

Spread Spectrum

Spread Spectrum. Session 5 Nilesh Jha. Spread Spectrum. Input is fed into a channel encoder Produces analog signal with narrow bandwidth Signal is further modulated using sequence of digits Spreading code or spreading sequence Generated by pseudonoise, or pseudo-random number generator

771 views • 41 slides

Wireless Mesh Networks

Wireless Mesh Networks. Anatolij Zubow (zubow@informatik.hu-berlin.de). Spread Spectrum. Contents. Frequency Hopping Spread Spectrum Direct Sequence Spread Spectrum Code Division Multiple Access Generation of Spreading Sequences. 2. Spread Spectrum. Input is fed into a channel encoder

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Lecture 8: Spread Spectrum

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Wireless Communication

Wireless Communication. Background of Wireless Communication. Wireless Communication Technology. Wireless Networking and Mobile IP. Wireless Local Area Networks. Student Presentations and Projects. Spread Spectrum. Chapter 7. Spread Spectrum. Spread Spectrum.

338 views • 33 slides

Spread Spectrum

Spread Spectrum. Spread Spectrum. Input is fed into a channel encoder Produces analog signal with narrow bandwidth Signal is further modulated using sequence of digits Spreading code or spreading sequence Generated by pseudonoise, or pseudo-random number generator

319 views • 30 slides

Chapter 7. Spread Spectrum

Chapter 7. Spread Spectrum. Wen-Shyang Hwang KUAS EE. Spread Spectrum. Input is fed into a channel encoder Produces analog signal with narrow bandwidth Signal is further modulated using sequence of digits Spreading code or spreading sequence

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Spread spectrum

367 views • 26 slides

Spread Spectrum and CC2420

Spread Spectrum and CC2420. Outline. Spread Spectrum Theory Definition of Spread Spectrum, DSSS and FHSS Basic Principle of DSSS Performance in the Presence of Interference CC2420 Radio Main features IEEE 802.15.4 Frame Format Modulation and Spreading Process Tinyos and MicaZ

586 views • 23 slides