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Communication Centric Architectures for Turbo-Decoding on Embedded Multiprocessors

by Frank Gilbert, Michael J. Thul, Norbert Wehn - In Proc. Design, Automation and Test Europe , 2003
"... Software implementations of channel decoding algo-rithms are attractive for communication systems with their large variety of existing and emerging standards due to their flexibility and extensibility. For high throughput, however, a single processor can not provide the necessary compute power. Usin ..."
Abstract - Cited by 12 (1 self) - Add to MetaCart
Software implementations of channel decoding algo-rithms are attractive for communication systems with their large variety of existing and emerging standards due to their flexibility and extensibility. For high throughput, however, a single processor can not provide the necessary compute power

Parallel Interleaver Design and VLSI Architecture for Low Latency Map Turbo Decoders

by Rostislav (reuven Dobkin, Michael Peleg, Senior Member, Ran Ginosar - IEEE Transactions on VLSI Systems , 2005
"... Abstract—Standard VLSI implementations of turbo decoding require substantial memory and incur a long latency, which cannot be tolerated in some applications. A parallel VLSI architecture for low-latency turbo decoding, comprising multiple single-input single-output (SISO) elements, operating jointly ..."
Abstract - Cited by 14 (0 self) - Add to MetaCart
Abstract—Standard VLSI implementations of turbo decoding require substantial memory and incur a long latency, which cannot be tolerated in some applications. A parallel VLSI architecture for low-latency turbo decoding, comprising multiple single-input single-output (SISO) elements, operating

R.Ginosar,“Parallel VLSI architectures and parallel interleaving design for low-latency MAP turbo decoders”,Tech.Rep.CCITTR436

by Reuven Dobkin, Michael Peleg, Ran Ginosar
"... Abstract- Standard VLSI implementation of turbo decoding requires substantial memory and incurs a long latency, which cannot be tolerated in some applications. A novel parallel VLSI architecture for low-latency turbo decoding is described, comprising multiple SISO elements, operating jointly on one ..."
Abstract - Cited by 3 (1 self) - Add to MetaCart
Abstract- Standard VLSI implementation of turbo decoding requires substantial memory and incurs a long latency, which cannot be tolerated in some applications. A novel parallel VLSI architecture for low-latency turbo decoding is described, comprising multiple SISO elements, operating jointly on one

Advance Turbo Encoder and Turbo Decoder

by Manjunatha K N, Kiran B, Prasanna Kumar. C
"... Abstract- This paper presents the design and development of an efficient VLSI architecture for 3GPP advanced Turbo decoder by utilizing the convolutional interleaver. The high-throughput 3GPP Advance Turbo code requires turbo decoder architecture. Interleaver is known to be the main obstacle to the ..."
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Abstract- This paper presents the design and development of an efficient VLSI architecture for 3GPP advanced Turbo decoder by utilizing the convolutional interleaver. The high-throughput 3GPP Advance Turbo code requires turbo decoder architecture. Interleaver is known to be the main obstacle

Sora: High Performance Software Radio Using General Purpose Multi-core Processors

by Kun Tan, Jiansong Zhang, Ji Fang, He Liu, Yusheng Ye, Shen Wang, Yongguang Zhang, Haitao Wu, Wei Wang, Geoffrey M. Voelker
"... This paper presents Sora, a fully programmable software radio platform on commodity PC architectures. Sora combines the performance and fidelity of hardware SDR platforms with the programmability and flexibility of general-purpose processor (GPP) SDR platforms. Sora uses both hardware and software t ..."
Abstract - Cited by 49 (5 self) - Add to MetaCart
techniques to address the challenges of using PC architectures for highspeed SDR. The Sora hardware components consist of a radio front-end for reception and transmission, and a radio control board for high-throughput, low-latency data transfer between radio and host memories. Sora makes extensive use

High Throughput Low Latency LDPC Decoding on GPU for... SDR Systems

by Guohui Wang, Michael Wu, Bei Yin, Joseph R. Cavallaro
"... Abstract—In this paper, we present a high throughput and low latency LDPC (low-density parity-check) decoder implementation on GPUs (graphics processing units). The existing GPU-based LDPC decoder implementations suffer from low throughput and long latency, which prevent them from being used in prac ..."
Abstract - Cited by 4 (1 self) - Add to MetaCart
Abstract—In this paper, we present a high throughput and low latency LDPC (low-density parity-check) decoder implementation on GPUs (graphics processing units). The existing GPU-based LDPC decoder implementations suffer from low throughput and long latency, which prevent them from being used

A Low Latency SISO with Application to Broadband Turbo Decoding

by Peter A. Beerel, Keith M. Chugg - IEEE J. SELECT. AREAS COMMUN , 2001
"... The standard algorithm for computing the soft-inverse of a finite-state machine [i.e., the soft-in/soft-out (SISO) module] is the forward--backward algorithm. These forward and backward recursions can be computed in parallel, yielding an architecture with latency ( ), where is the block size. We dem ..."
Abstract - Cited by 5 (2 self) - Add to MetaCart
latency (log 2 ). The decrease in latency comes primarily at a cost of area with, in some cases, only a marginal increase in computation. We discuss how this structure could be used to design a very high throughput turbo decoder or, more generally, an iterative detector. Various subwindowing and tiling

Area-Efficient High Speed Decoding Schemes For Turbo/map Decoders

by Zhongfeng Wang Zhipei, Zhongfeng Wang, Zhipei Chi, Keshab K. Parhi - Proc. IEEE ICASSP , 2001
"... Turbo decoders inherently have a large latency and low throughput due to iterative decoding. To increase the throughput and reduce the latency, high speed decoding schemes have to be employed. In this paper, following a discussion on basic parallel decoding architectures, two types of area-efficient ..."
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Turbo decoders inherently have a large latency and low throughput due to iterative decoding. To increase the throughput and reduce the latency, high speed decoding schemes have to be employed. In this paper, following a discussion on basic parallel decoding architectures, two types of area

Design of a High-Speed Asynchronous Turbo Decoder, ASYNC

by Pankaj Golani, Georgios D. Dimou, Mallika Prakash, Peter A. Beerel , 2007
"... This paper explores the advantages of high performance asynchronous circuits in a semi-custom standard cell environment for high-throughput turbo coding. Turbo codes are high-performance error correction codes used in applications where maximal information transfer is needed over a limitedbandwidth ..."
Abstract - Cited by 1 (0 self) - Add to MetaCart
This paper explores the advantages of high performance asynchronous circuits in a semi-custom standard cell environment for high-throughput turbo coding. Turbo codes are high-performance error correction codes used in applications where maximal information transfer is needed over a limitedbandwidth

New Algorithms for High-Throughput Decoding with Low-Density Parity-Check Codes using Fixed-Point SIMD Processors

by Jawone Kennedy , 2012
"... Most digital signal processors contain one or more functional units with a single-instruction, multiple-data architecture that supports saturating fixed-point arith-metic with two or more options for the arithmetic precision. The processors designed for the highest performance contain many such func ..."
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introduces a latency that can also limit the algorithm’s throughput. In this dissertation, we consider the turbo-decoding message-passing algorithm for iterative decoding of low-density parity-check codes and investigate its perfor-mance in parallel execution on a processor of interconnected functional units
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