Advanced Electronic Communications Systems
Comprehensive in scope and contemporary in coverage, this text explores modern digital and data communications systems, microwave radio communications systems, satellite communications systems, and optical fiber communications systems.
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DATA COMMUNICATIONS PROTOCOLS
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amplifier amplitude analog signal antenna balanced modulator bandwidth baseband binary BISDN bit rate block diagram BPSK bytes called carrier frequency CCITT character circuit clock companding Consequently converter Data bit data communications data rate demodulator determine device dial switch distortion earth station encoding equal equivalent noise temperature error Ethernet FDDI fiber cables filter format frame HDLC input signal interface ISDN kbps LAP-D logic loop mastergroup maximum Mbps microwave minimum bandwidth mode modem multiplexing node noise power noise temperature number of bits Nyquist operation optical fiber output packet parity path loss PCM code phase primary propagation protocol pulse QPSK quantization radio ratio refractive sample SDLC secondary station sequence shown in Figure spectrum standard supergroup synchronous telephone terminal time-division multiplexing transmission medium transmission rate transmitted voice-band channels voltage