Coherent Multilchannel Techniques for Integrated Broadband Communications Subscriber Lines
OFFICE OF NAVAL RESEARCH EUROPEAN OFFICE FPO NEW YORK 09510
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The work of Project 1032 of the RACE program definition phase is summarized. The background and problems relating to coherent multichannel techniques for integrated communications subscriber lines, assumptions, and recent relevant state-of-the-art developments are discussed, including a commentary on Level III of the RACE definition phase scenario ROPS-3. The main hardware advantage will occur in the central office in the implementation of broadband distribution services through a high degree of laser sharing. The selection of TV Channels is carried out within the TV set and not by switching in the central office. This reduces problems in connection with signaling bursts and is an important privacy advantage. Key components for CMC techniques are electronically tunable distributed feedback lasers, which should not be affected by reflections or compact laser isolator modules.
- Non-Radio Communications