100+ Three voiceband signals PowerPoint (PPT) Presentations, Three voiceband signals PPTs

Three voiceband signals - PowerPoint PPT Presentation

Data Communications

Data Communications. Multiplexing. Multiplexing. Frequency Division Multiplexing. FDM Useful bandwidth of medium exceeds required bandwidth of channel Each signal is modulated to a different carrier frequency Carrier frequencies separated so signals do not overlap (guard bands)

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760 views • 49 slides

Asynchronous and Synchronous Transmission

Asynchronous and Synchronous Transmission. Timing problems require a mechanism to synchronize the transmitter and receiver Two solutions Asynchronous Synchronous. Asynchronous. Data transmitted on character at a time 5 to 8 bits Timing only needs maintaining within each character

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1.47k views • 45 slides

William Stallings Data and Computer Communications

William Stallings Data and Computer Communications. Chapter 8 Multiplexing. Multiplexing. Frequency Division Multiplexing. FDM Useful bandwidth of medium exceeds required bandwidth of channel Each signal is modulated to a different carrier frequency

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513 views • 38 slides

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Three voiceband signals - PowerPoint PPT Presentation

Data Communications

Asynchronous and Synchronous Transmission

William Stallings Data and Computer Communications