Traditional RISC processors can handle digital signal processing tasks, but the additional work sucks up valuable processing power that could be used elsewhere, said David Pelavin, product marketing manager for Hitachi's SuperH product family.
That prompted a hurried rebuilding of that part of the PATH signal system, a spokesman said, and an additional reform: The Port Authority now installs steel floodgates at the entrances to its cross-Hudson tunnels before major storms, including Sandy.
The best part is, applying different levels of OAM twist to SAM-based transmissions theoretically allows an infinite number of streams per signal, meaning seriously increased bandwidth without the need for additional frequency.