Q

QAM (Quadrature Amplitude Modulation)

DOCSIS standard and, 514–518

EFM using, 482

overview of, 158

wireless signals with, 562

QCELP (Quantized Code-Excited Linear Prediction), 577

QoS (quality of service)

ATM networks and, 229–230, 438–440

CBQ for, 444

circuit switching, 89

COPS, 444–445

defined, 437

DOCSIS 1.1 supporting, 515

Frame Relay, 227

IEEE 802.11e, 645–646

implementing, 437

Internet, 101, 312

IP (Internet protocol). See IP (Internet protocol), QoS

IPT, 328–330

LDAP, 445

main approaches to, 438

next-generation networks, liv, 410–411, 437–445

packet-switched networks, 98, 216–217

policy-based management for, 444

VoWLANs, 649–650

VPNs, 357–358

Web surfing, 150

WiMax, 622

QPSK (Quadrature Phase-Shift Keying)

modulating cable TV networks, ...

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