Hughes Network Systems, LLC

Shruti Dhingra

Marwan Adas

Shumin Zhang

An apparatus for a dual mode low density parity check (LDPC) decoder including edge random access memory (RAM), last-in-first-out/first-in-first-out (LIFO/FIFO) RAM, channel RAM, and parallel datapath engines, where the datapath engines include a standard belief propagation decoding (SBD) datapath and a layered belief propagation decoding (LBD) datapath, where the SBD datapath includes a shifter, an accumulator, multiplexers, and a g( )_sbd calculator, and where the LBD datapath includes the shifter, the multiplexers, and a g'( )_lbd calculator.

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Germantown, MD, United States of America

Shruti Dhingra