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Viterbi decoder hardware implementation

Design And Comparison Of Viterbi Decoder On Spartan-3A (XC3S400A-4FTG256C) and Spartan-3E (XC3S500E-4FT256) Using Verilog

Design And Comparison Of Viterbi Decoder On Spartan-3A (XC3S400A-4FTG256C) and Spartan-3E (XC3S500E-4FT256) Using Verilog

... [7] Viterbi algorithm performs ML decoding by reducing its ...The Viterbi algorithm is an optimum algorithm for estimating the state sequence of a finite state process, given a set of noisy ...The ...

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Design and Implementation of Convolutional Encoder and Viterbi Decoder

Design and Implementation of Convolutional Encoder and Viterbi Decoder

... and implementation of a convolutional encoder and a Viterbi decoder that can encode a bitstream of digital information while transmission and later decode it while ...the Viterbi Algorithm is ...

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Design and Implementation of a Modified Register Exchange Based Adaptive VITERBI Decoder
Shiny Paul & B Ratna Raju

Design and Implementation of a Modified Register Exchange Based Adaptive VITERBI Decoder Shiny Paul & B Ratna Raju

... J. Viterbi, the founder of Qualcomm Corporation in April, ...varying decoder design parameters to optimize the implementation of the technique in hardware and ...software. Viterbi ...

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Design Approach of High Speed Parallel Processed Viterbi Decoder with Pipelining Technique

Design Approach of High Speed Parallel Processed Viterbi Decoder with Pipelining Technique

... adaptive Viterbi algorithm ...reconfigurable hardware to take full advantage of algorithm parallelism and ...the hardware cost involved. It improves the throughput rate. Implementation ...

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FPGA Design and Implementation of a Convolutional Encoder and a Viterbi Decoder Based on 802 11a for OFDM

FPGA Design and Implementation of a Convolutional Encoder and a Viterbi Decoder Based on 802 11a for OFDM

... and hardware implementation of the register-exchange algo- rithm [10,11] are more ...The hardware structure of the algorithm is sim- ple to manage and control for ...

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VLSI Architecture of Configurable Low Complexity Hard Decision Viterbi Decoder Prashant Shirke

VLSI Architecture of Configurable Low Complexity Hard Decision Viterbi Decoder Prashant Shirke

... A Viterbi algorithm has served as a powerful method for decoding of the convolutional code so as to control errors in data transmission over a noisy ...the hardware implementation of Viterbi ...

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IMPLEMENTATION OF EFFICIENT CONVOLUTIONAL ENCODER AND MODIFIED VITERBI DECODER

IMPLEMENTATION OF EFFICIENT CONVOLUTIONAL ENCODER AND MODIFIED VITERBI DECODER

... and Viterbi decoder are widely used due to the excellent error control ...the Viterbi Algorithm (VA), requires an exponential increase in hardware complexity to achieve greater decode ...

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Implementation of Adaptive Viterbi Decoder on FPGA for Wireless Communication

Implementation of Adaptive Viterbi Decoder on FPGA for Wireless Communication

... the Viterbi algorithm has proven to be a very practical algorithm for forward error correction of convolutionally encoded ...the Viterbi decoder or Viterbi detector depend on the applications ...

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Software/Hardware Co-Design of HMM Based Isolated Digit Recognition System

Software/Hardware Co-Design of HMM Based Isolated Digit Recognition System

... and implementation results of a system on a chip (SOC) based speech recognition system as software/hardware co-design is ...between hardware and ...Custom hardware blocks are developed for ...

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IMPLEMENTATION OF VITERBI DECODER WITH VARIABLE CODE RATE

IMPLEMENTATION OF VITERBI DECODER WITH VARIABLE CODE RATE

... Adaptive Viterbi decoders are used to decode Convolution ...of Viterbi Decoder is it has fixed decoding time and also it suites for hardware decoding ...the implementation requires the ...

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On the Implementation of a Low Power IEEE 802 11a Compliant Viterbi Decoder

On the Implementation of a Low Power IEEE 802 11a Compliant Viterbi Decoder

... The main arithmetic datapath component for the ACS unit is adder/subtractor and the worst case delay is determined by the time of addition/subtraction of two adders: one adding a 5-bit number with a 9-bit number and ...

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Implementation of Convolution Encoder and Viterbi Decoder

Implementation of Convolution Encoder and Viterbi Decoder

... It can describe the hardware and the software implementations. The noisy channels are usually corrected by the conventional codes as they are efficient for correcting the corrupted channels. Satellite ...

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Implementation of Adaptive Viterbi Decoder

Implementation of Adaptive Viterbi Decoder

... VHDL stands for VHSIC Hardware description language. VHSIC is itself an abbreviation for very high speed integrated Circuit. This language was first introduced in 1981 for the Department of Defense (DoD) under the ...

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Design and Implementation of Convolution Encoder and Viterbi Decoder

Design and Implementation of Convolution Encoder and Viterbi Decoder

... BIPMAP decoder architecture which provides a throughput gain of ...based decoder architectures improves the throughput at the expense of increased ...power-efficient implementation of an adaptive ...

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Implementation Of High Throughput And Area Efficient Hard Decision Viterbi Decoder Using Verilog Hdl

Implementation Of High Throughput And Area Efficient Hard Decision Viterbi Decoder Using Verilog Hdl

... efficient transmission and reception of information in the presence of errors introduced by the communication channel. The presence of errors is especially pronounced in radio communication, due to the variety of noise ...

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Performance and Analysis of Viterbi Decoder Using VHDL

Performance and Analysis of Viterbi Decoder Using VHDL

... are Viterbi algorithm and Sequential ...time. Viterbi decoding is the best technique for decoding the convolutional codes but it is limited to smaller constraint ...of Viterbi decoder are ...

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Memory requirements for hardware implementation of the H 264 decoder 
		modules

Memory requirements for hardware implementation of the H 264 decoder modules

... This paper presents the memory requirement and the architecture for the same. We have presented a new reorganized decode decision engine with look-ahead ctxIdx calculation logic to improve performance. Using this optimal ...

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Modification of an asynchronous dexterous hand movement decoder for hardware implementation

Modification of an asynchronous dexterous hand movement decoder for hardware implementation

... increase decoder accu- ...alternative hardware implementation to compute the required number of floating point ...the decoder only observes the movement classifier output at the time the ...

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The Design of Viterbi Decoder with Higher Efficiency

The Design of Viterbi Decoder with Higher Efficiency

... A convolutional encoder is a linear system [12] and operates on a continuous stream of data using shift registers. A convolution encoder takes an input stream of date and produces encoded output streams to be send over ...

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Design And Implementation Of Coding Techniques For Communication Systems Using Viterbi Algorithm

Design And Implementation Of Coding Techniques For Communication Systems Using Viterbi Algorithm

... the viterbi decoding approach the trace-back (TB) and the register-exchange (RE) methods are the two major techniques used for the path history management in the chip designs of Viterbi ...

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