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Virtex 4 FPGA Implementation of Viterbi Decoded 64-bit RISC for High Speed Application using Xilinx

Ritam Dutta, Charles Van Der Mast
2014 International Journal of Computer Applications  
In the modern era of electronics and communication decoding and encoding of any data(s) using VLSI technology requires low power, less area and high speed constrains.  ...  Thirdly, all the viterbi decoders are compared, simulated, synthesized and the proposed approach shows the best simulation and synthesize results for low power and high speed application in VLSI design  ...  Song Li and Qing-Ming Yi (2006) proposed a scheme based on Verilog language for the implementation of high-speed and low power consumption bi-directional viterbi decoder [3] .  ... 
doi:10.5120/15422-4011 fatcat:vubn5z3umvaclhdrlsudc432aq

Implementation of scalable power and area efficient high-throughput Viterbi decoders

T. Gemmeke, M. Gansen, T.G. Noll
2002 IEEE Journal of Solid-State Circuits  
Additional new concepts allow building a signal-flow graph suitable for the design of high-speed Viterbi decoders with low power.  ...  Using a flexible datapath generator facilitates the essential quantitative optimization from architectural down to physical level to fully exploit the low-power and high-speed potential of a given technology  ...  Gierenz for his contributions, and L. Gazsi and F. Frieling of Infineon Technologies for valuable discussions and for their cooperation.  ... 
doi:10.1109/jssc.2002.1015694 fatcat:apsazi2kkrac3panqorqu3gh7u

A Low Power and High Speed Viterbi Decoder Based on Deep Pipelined, Clock Blocking and Hazards Filtering

2009 International Journal of Communications, Network and System Sciences  
A high speed and low power Viterbi decoder architecture design based on deep pipelined, clock gating and toggle filtering has been presented in this paper.  ...  Power estimation obtained through gate level simulations indicated that the proposed design reduces the power dissipation of an original Viterbi decoder design by 68.82% and a speed of 145 MHz is achieved  ...  A bidirectional Viterbi decoder that can meet the requirements of high-speed and low power consumption has been discussed by Song Li [2] .  ... 
doi:10.4236/ijcns.2009.26064 fatcat:jbgddownu5fubkplomirw3labu

A low-power radix-4 Viterbi decoder based on DCVSPG pulsed latch with sharing technique

Xin-Ru Lee, Hsie-Chia Chang, Chen-Yi Lee
2010 2010 IEEE Asia Pacific Conference on Circuits and Systems  
A low-power radix-4 Viterbi decoder based on a differential cascode voltage switch with pass gate (DCVSPG) pulsed latch with sharing technique is proposed to process two bits concurrently.  ...  With a Viterbi decoder, the bit error probability of a communication system can be reduced. However, the power consumption of exploiting Viterbi decoder is an overhead to systems.  ...  The Viterbi decoder is a popular decoder for its high-speed and low-cost properties, and it has been adopted by many standards, for example, ultra-wide band (UWB) system and Wi-Fi.  ... 
doi:10.1109/apccas.2010.5774991 dblp:conf/apccas/LeeCL10 fatcat:l2zhqath45gzrepoeszcnfd3yy

Speed optimization of a FPGA based modified viterbi decoder

D. Chakraborty, P. Raha, A. Bhattacharya, R. Dutta
2013 2013 International Conference on Computer Communication and Informatics  
Advancement in the VlSI technology using low power, less area and high speed constraints is mostly used for encoding and decoding of data.  ...  Viterbi decoder uses viterbi algorithm for TCM decoding, but the efficient speed and power reduction is not achieved at the receiving ends.  ...  LOW-POWER HIGH-SPEED VITERBI DECODER DESIGN We are still using the 4-D8PSK TCM system as described in [2] as example.  ... 
doi:10.1109/iccci.2013.6466245 fatcat:ct23tklchreyfp3amkgueqlssa

Low-power asynchronous viterbi decoder for wireless applications

Mohamed Kawokgy, C. Andr? T. Salama
2004 Proceedings of the 2004 international symposium on Low power electronics and design - ISLPED '04  
This paper describes the implementation of an asynchronous 64state, 1/2-rate Viterbi decoder using an original architecture and design methodology.  ...  The choice of an asynchronous design was predicated by the power and speed advantages of such a methodology.  ...  Such portable, battery operated systems, require low-power consumption as well as high processing speeds, over 100 Mb/s, to allow multimedia transmission.  ... 
doi:10.1145/1013235.1013306 dblp:conf/islped/KawokgyS04 fatcat:32at47cqrfdctktirb7wy6iyyi

An Asynchronous Low Power and High Performance VLSI Architecture for Viterbi Decoder Implemented with Quasi Delay Insensitive Templates

T. Kalavathi Devi, Sakthivel Palaniappan
2015 The Scientific World Journal  
For decoding of convolutional codes at the receiver end, Viterbi decoder is often used to have high priority. This decoder meets the demand of high speed and low power.  ...  The simulation result illustrates that the asynchronous design techniques have 25.21% of power reduction compared to synchronous design and work at a speed of 475 MHz.  ...  Fast developments in the field of communication in the recent years have created a rising demand for high speed and low power Viterbi decoders with extended battery life, low power dissipation, and low  ... 
doi:10.1155/2015/621012 pmid:26558289 pmcid:PMC4617693 fatcat:asyw6jkco5cb3g6oqwbfhaimtm

An Efficient Low Power Viterbi Decoder Design using T-algorithm

K. SridharReddy, M. Nagarjuna, H. Shravan Kumar
2013 International Journal of Computer Applications  
The architecture which reduces the complexity and power Consumption by as much as 70% without effecting the decoding speed.  ...  This paper presents an efficient Low-Power Viterbi Decoder Design using T-algorithm.  ...  CONCLUSION We have proposed an efficient low power Viterbi decoder design using T-algorithm which reduces the power consumption and complexity of the Viterbi decoder without reducing the clock speed.  ... 
doi:10.5120/13246-0707 fatcat:3oszzjpq6rglte5dz3bz36akoe

Implementation of Viterbi Decoder using T-algorithm for TCM Decoders

Valiveti.Ganesh Kumar, Sudhir A.CH.
Viterbi Decoder employed in digital wireless communication plays a dominant role in overall power consumption of trellis coded modulation (TCM) decoder.  ...  The proposed Viterbi Decoder (VD) implementation can reduce the power consumption with less reduction in the maximum decoding speed.  ...  VITERBI DECODER DESIGN FOR HIGH SPEED LOW POWER BER performance of a 4-D 8PSK TCM system [2] [5] with code rate (k/n) 3/4 is almost same as the conventional T-algorithm, since the precomputation algorithm  ... 
doi:10.17148/ijireeice.2015.3539 fatcat:e5y7u6pp5vcbbg47yqpj6tdvy4

Implementation of Low-Power Adaptive Viterbi Decoder for Wireless Communication

Tammireddi J. V. Subrahmanyeswara Rao, T. V. N. L. Aswini, M. Venu Gopal Rao
2015 International Journal on Communications Antenna and Propagation  
Thus this paper presents the design of an Adaptive Viterbi Decoder (AVD) that uses survivor path with parameters in an attempt to reduce the power and cost and at the same time increase in speed.  ...  Most of the researches aimed to reduce power consumption or work with high frequency for using the decoder in the modern applications such as 3 GPP, DVB, and wireless technology.  ...  "Survivor Path Processing in Viterbi Decoders" presented a new class of hybrid survivor path architecture based on Register exchange and Trace back concepts.  ... 
doi:10.15866/irecap.v5i6.7421 fatcat:vau5w2nus5djhphclswf54geqq

Power efficient Viterbi decoder based on pre-computation technique for portable digital multimedia broadcasting receiver

D.-S. Dong-Sun Kim, S.-Y. Seung-Yerl Lee, K.-Y. Kyu-Yeul Wang, J.-H. Jong-Hee Hwang, D.-J. Duck-Jin Chung
2007 IEEE transactions on consumer electronics  
So, it is desired to design a high speed and low-power hardware scheme for viterbi decoder.  ...  Index Terms -Digital multimedia, broadcasting (DMB), viterbi decoder, pre-computation, low-power. Dong-Sun Kim (M'99) was born in Incheon, Korea, in 1972.  ...  The left square of Fig. 8 is applied by pre-computation and decomposition method for low-power consumption and the right square of Fig. 8 represents a new PMN architecture for performing high-speed  ... 
doi:10.1109/tce.2007.381700 fatcat:5hxkcsfc4je2he4ou5bxr7a3d4

High-Speed Low-Power Viterbi Decoder Design for TCM Decoders

Jinjin He, Huaping Liu, Zhongfeng Wang, Xinming Huang, Kai Zhang
2012 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
High-speed, low-power design of Viterbi decoders for trellis coded modulation (TCM) systems is presented in this paper.  ...  We propose a pre-computation architecture incorporated with -algorithm for VD, which can effectively reduce the power consumption without degrading the decoding speed much.  ...  As a result, the decoding speed of the low-power VD is greatly improved.  ... 
doi:10.1109/tvlsi.2011.2111392 fatcat:l426uv3emfaqhkq3jmh572jw4e

A FEC Architecture for UWB System

Sung-woo Choi, Sang-sung Choi, Han-ho Lee
2006 IEEE Vehicular Technology Conference  
This RS decoder has low latency and small area using simple and regular processing elements for the key equation solve block.  ...  The estimated hardware size of the Viterbi decoder is 120k gates and the clock frequency is 144MHz. The proposed Reed-Solomon decoder uses a modified euclidean algorithm to solve a key equation.  ...  To implement this Viterbi decoder, a very high speed operation clock is needed.  ... 
doi:10.1109/vtcf.2006.309 dblp:conf/vtc/ChoiCL06 fatcat:igjjynklrvd6lbpmt576w5m2xq

Study of heterogeneous and reconfigurable architectures in the communication domain

H. T. Feldkaemper, H. Blume, T. G. Noll
2003 Advances in Radio Science  
An implementation on an embedded FPGA kernel is in between these two representing an attractive compromise with high flexibility and low power consumption.  ...  Flexibility of modern architectures is desirable, e.g. concerning adaptation to new standards and reduction of time-to-market of a new product.  ...  Applying quantitative optimisation on all levels of design hierarchy two Viterbi decoders were designed (Gemmeke et al., 2002) : one optimised for high speed operation, the other for low power dissipation  ... 
doi:10.5194/ars-1-165-2003 fatcat:wqaohyjkuzaibkbq443ixry4lm

Designing of precomputational-based low-power Viterbi decoder

Jing-ling Yang, A.K.K. Wong
2004 Proceedings of the IEEE 6th Circuits and Systems Symposium on Emerging Technologies: Frontiers of Mobile and Wireless Communication (IEEE Cat. No.04EX710)  
This work presents a precomputation-based low power design scheme, which can also be applied to high-speed V D design, to perform the low-power ACSU is a collection of butterflies' calculations.  ...  CONCLUSIONS Low-power architectures for the ACSU of VD were presented.  ... 
doi:10.1109/casset.2004.1321960 fatcat:gvyijnfexfcuxnxb5b3tsjbblm
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