Abstract :
The development of systems that apply digital multiplexing technology to the loop is examined. The analog carrier foundations of the present loop are reviewed, and the introduction of digital technology is described. The maturing of digital loop carrier (DLC) systems, integration of digital switching and loop transmission, operations issues, and factors that could constrain deployment of DLCs on a large scale are discussed.<>
Keywords :
digital communication systems; multiplexing equipment; subscriber loops; DLC systems; analog carrier; digital loop carrier; digital loop transmission; digital multiplexing; digital switching; Consumer electronics; Costs; Delta modulation; Manufacturing; Phase change materials; Power cables; Pulse modulation; Subscriber loops; Switching systems; Telephony;
