000			00678nam a22002177a 4500
003			PE-LiUTP
005			20210709104457.0
008			031107s2004 njua b 001 0 eng
020			_a9780471451334
040			_aDLC _bspa _cUTP _dUTP
041			_aspa
082			_221 _a621.382 _bF82
100			_91511 _aFreeman, Roger L.
245			_aTelecommunication system engineering _cRoger Freeman.
250			_aCuarta edición.
260			_aHoboken, N.J. _bWiley-Interscience _c2004
300			_axxvi, 991 páginas.
650			_97 _aSistemas de telecomunicaciones _xDiseño y construcción
650			_910462 _aSistemas telefónicos _xDiseño y construcción
942			_2ddc _cLIBR _kU-00065
999			_c29755 _d29755
505			_aBasic telephony – Local networks – Switching in an analog environment – Signalling for analog telephone networks – Introduction to transmission for telephony – Long-distance networks – The desing of long-distance links – digital transmission systems – Digital switching and networks – Introductionto to data communications – Data networks and their operation – Voice-over IP – Local area networks – Integrated services digital networks – Speeding things up with frame relay – The asynchronous transfer mode (ATM) and broadband ISDN – CCITT signaling system No. 7 – Wireless and cellular/mobile radio – Last-mile broadband connectivity and wireless local loop (WLL) -- Optical networking – network management.