Communications Systems and Networks
Packed with diagrams and illustrations, Communications & Systems delivers plain–English explanations of all the technical fundamentals –– and puts everything in context by addressing standards, regulations, and the real–world outlook for legacy, contemporary, and emerging technologies. In this unique overview, Ray Horak lucidly describes today′s communications systems and networks –– voice, data, video, and multimedia –– and explains how they are likely to evolve and converge as we move further toward an information–based economy. Whether you′re a communications pro who wants to gain some perspective or you just want to understand our increasingly wired and wireless world, this is the one book you need to see the big picture, with just the right amount of detail.
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Concepts and Deﬁnitions
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64 Kbps Additionally analog antennae applications AT&T backbone bandwidth basis bits broadband cable canier carrier CATV cell Central Ofﬁce Centrex channels Chapter circuit circuit-switched CLECs compression conﬁguration connection cost data communications Datapro deﬁned deployed developed devices e-mail equipment error performance Ethemet Ethernet ﬁber optic ﬁeld Figure ﬁle ﬁrst Frame Relay frequency Gbps high-speed ILEC intemational Intemet interconnection Interface Internet ISDN ITU-T large numbers Layer loop Mbps MCI Worldcom microwave modems multimedia multiple Multiplexing node offer operating packet switching physical protocol PSTN radio RBOCs routers routing satellite server signiﬁcant SMDS SONET speciﬁc speed standards Synchronous T-carrier Telecommunications telephone number terminal tion Token Ring trafﬁc transmission transmitted trunks twisted pair typically user organization videoconferencing Virtual voice wire wireless