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m This paper investigates trellis structures of linear block codes for the integrated circuit (lC) implementation of Viterbi decoders capable of achieving high decoding speed while satisfying a constraint on the structural complexity of the trellis in terms of the maximum number of states at any particular depth. Only uniform sectionalizations of the code… (More)

A new architecture for digital implementation of the adaptive equalizer in Class IV partial-response maximum likelihood (PRML) channels employing parallelism and pipelining is described. The architecture was used in a prototype integrated circuit in a 1.2 pm CMOS technology to implement an eight-tap adaptive equalizer and Viterbi sequence detector which… (More)

The multiplier is the building block required in the adaptive equalizer that is most costly in terms of both speed and power. Since the power consumed by a CMOS digital circuit is CV 2 f, reducing the power supply and employing one or a combination of parallelism and pipelining can result in a significant power savings [4]. Applications using a power supply… (More)

A new architecture for digital implementation of the adaptive equalizer in Class IV Partial Response Maximum Likelihood (PRML) channels employing parallelism and pipelin-ing is described. The architecture was used in a prototype integrated circuit in a 1.2 pm CMOS technology to implement a 50 MHz adaptive equalizer and Viterbi sequence detector dissipating… (More)

- J M Cioffi, W L Abbott, H K Thapar, C M Melas, K D Fisher, Adaptive +16 others
- 2006

This paper investigates trellis structures of linear block codes for the IC (integrated circuit) implementation of Viterbi decoders capable of achieving high decoding speed while satisfying a constraint on the structural complexity of the trellis in terms of the maximum number of states at any particular depth. Only uniform sectionalizations of the code… (More)

Block codes have trellis structures and decoders amenable to high speed CMOS VLSI implementation. For a given CMOS technology, these structures enable operating speeds higher than those achievable using convolutional codes for only modest reductions in coding gain. As a result, block codes have tremendous potential for satellite trunk and other future… (More)

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