Newtec will be revealing and launching FlexACM at IBC 2008 in Amsterdam. This is a new solution that allows simple, yet efficient, implementation of ACM (Adaptive Coding and Modulation) in IP trunking and IP backbone systems. FlexACM allows implementation of ACM in point-to-point and point-to-multipoint configurations, for unidirectional as well as bidirectional links. The intro of FlexACM marks another step forward for adaptive coding and modulation technology; previously the complexity of ACM meant that no commercial systems were available for point-to-point and point-to-multipoint SCPC/MCPC systems. FlexACM for point-to-point applications consists of a controller option enabled on a Newtec Elevation modulator, and a client option enabled on the Elevation IP demodulator, which then automatically communicate with each other. In point-to-multipoint systems, the IP traffic is distributed to several receiving points on a single carrier. Each receiving point then provides feedback on the local reception condition, and the FlexACM solution will automatically and dynamically select modulation parameters for each IP packet, depending on its destination. The efficiency of FlexACM relies on Newtec’s advanced and patent pending noise and distortion estimator (NoDE) technology embedded in each demodulator, and on an intelligent integration of adaptive traffic shaping, IP encapsulation and traffic enhancement software in the heart of the ACM system.

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