C CODE FOR CONVOLUTION Search Results

radix-2 dit fft flow chart

Abstract: DSP56300 mac 226 40N160 40n220
Contextual Info: Appendix C BENCHMARK PROGRAMS C-1 INTRODUCTION The following benchmarks illustrate the source code syntax and programming techniques for the DSP56300 Core. The assembly language source is organized into 6 columns as shown below. Label Opcode Operands X Bus Data Y Bus Data Comment

IESS-308 sCRAMBLER

Abstract: BIT 31936 scrambler satellite v.35 Viterbi Trellis Decoder texas IESS309 IESS-309 33-/BIT 31936
Contextual Info: VLSI Tech n o lo gy , in c . VP17018 RPFEC FORWARD ERROR CORRECTION CIRCUIT FEATURES • Optional selection of differential encoding/decoding insertion for operation at code rates up to 7/8 • Integrates a full-featured convo­ lutional encoder and a Viterbi

Implementation of G.729 on TMS320C54x

Abstract: TMS320C54x SPEECH PROCESSING FRCT CELP on TMS320C54x vocoder g.729 block diagram of of TMS320C54X code excited linear predictive DIAGRAM OF SPEECH COMPRESSION E1 PCM encoder 200H
Contextual Info: Application Report SPRA656 - March 2000 Implementation of G.729 on the TMS320C54x Lim Hong Swee Texas Instruments Singapore Pte Ltd Marketing & Sales ABSTRACT The main objective of this project is to implement the ITU-U G.729 8-kbit/s Vocoder (Voice Coder). The ANSI C code is available from ITU but it is not suitable for implementation in real

scrambler satellite v.35

Abstract: IESS-308 sCRAMBLER BUS13r iess-309 standard BPSK demodulator bpsk modulation and demodulation scrambler v.35 diagram intelsat scrambler IESS309
Contextual Info: PMC r PM7018 RPFEC ERROR CORRECTION CIRCUIT DATA SHEET FEATURES • Constraint length 7 convolutional encoder polynomials 133,171 • Vrterbi decoder with up to 3 bit soft decision inputs and an 80 stage trellis • Two versions for operation at the following information data rates:

RTL 8186

Abstract: vhdl code for block interleaver turbo encoder circuit, VHDL code Turbo Code LogiCORE IP License Terms RTL 8190 32 bit adder vhdl code matlab code for half adder xilinx TURBO decoder XC4VLX60 8085 vhdl
Contextual Info: IEEE 802.16e CTC Decoder Core DS137 v2.3 July 11, 2006 Product Specification Features • Performs iterative soft decoding of the IEEE 802.16e Convolutional Turbo Code (CTC) encoded data as described in Section 8.4 of the IEEE Std 802.16-2004 specification and the corrigendum IEEE

branch metric

Abstract: Viterbi Decoder viterbi algorithm branch metric report trellis 5/6 decoder Viterbi Trellis Decoder texas DSP56300 DSP56600 IS-136 Convolutional decoder
Contextual Info: Implementing Viterbi Decoders Using the VSL Instruction on DSP Families DSP56300 and DSP56600 by Dana Taipale This application report describes how to generate, from a set of convolutional code polynomials, the assembly code needed for implementation of a Viterbi decoder.

Convolutional Puncturing Pattern

Abstract: Convolutional Encoder viterbi convolution ds248
Contextual Info: Convolutional Encoder v3.0 DS248 v1.5 March 28, 2003 Product Specification Features Applications • This core can be used in a wide variety of convolutional encoding applications and is typically used to encode data for use with the Viterbi decoder. •

branch metric

Abstract: Viterbi Decoder Viterbi Trellis Decoder Viterbi Trellis Decoder texas DSP56300 DSP56600 IS-136
Contextual Info: Freescale Semiconductor, Inc. Freescale Semiconductor, Inc. Implementing Viterbi Decoders Using the VSL Instruction on DSP Families DSP56300 and DSP56600 by Dana Taipale This application report describes how to generate, from a set of convolutional code polynomials, the assembly code needed for

GSM Viterbi

Abstract: Viterbi Trellis Decoder texas Viterbi Q1401 SPRA071 encoder puncture qualcomm qualcomm convolutional decoder 2SDNG GSM qualcomm Stanford Telecom 2K27
Contextual Info: Application Report SPRA071A - January 2002 Viterbi Decoding Techniques for the TMS320C54x DSP Generation Henry Hendrix Member, Group Technical Staff ABSTRACT In most wireless communications systems, convolutional coding is the preferred method of error-correction coding to overcome transmission distortions. This report outlines the theory

GSM Viterbi

Abstract: Viterbi Decoder Trellis branch metric Convolutional trellis 5/6 decoder viterbi Viterbi Trellis Decoder SC140 SP10
Contextual Info: How to Implement a Viterbi Decoder on the StarCore SC140 Application Note Abstract The application note describes how to implement an efficient Viterbi decoder on the StarCore SC140. It begins with an overview of convolutional encoding and Viterbi decoding. The overview is followed by a description of the StarCore

branch metric

Abstract: Convolutional Encoder details and application GSM Viterbi SC140 SP10 SP11 SP12 SP14
Contextual Info: Freescale Semiconductor, Inc. How to Implement a Viterbi Decoder on the StarCore SC140 Freescale Semiconductor, nc. I Application Note Abstract The application note describes how to implement an efficient Viterbi decoder on the StarCore SC140. It begins with an overview of convolutional encoding and

about the decoder ic

Abstract: ic 7495 shift registers SC140 SP10 SP11 SP12 SP14 Viterbi Trellis Decoder
Contextual Info: Freescale Semiconductor, Inc. How to Implement a Viterbi Decoder on the StarCore SC140 Freescale Semiconductor, Inc. Application Note Abstract The application note describes how to implement an efficient Viterbi decoder on the StarCore SC140. It begins with an overview of convolutional encoding and

GSM Viterbi

Abstract: 2K2B Viterbi Trellis Decoder texas TMS320C55X Viterbi SPRA776A Qualcomm application note Convolutional Convolutional Encoder qualcomm 1110
Contextual Info: Application Report SPRA776A - April 2009 Viterbi Decoding Techniques for the TMS320C55x DSP Generation Henry Hendrix Member, Group Technical Staff ABSTRACT In most wireless communications systems, convolutional coding is the preferred method of error-correction coding to overcome transmission distortions. This report outlines the theory

Viterbi Trellis Decoder

Abstract: DSP6001 Scans-00135050 32QAM 32QAM modulation Viterbi Decoder XO 18 DSP56001 "vlsi technology" Convolutional Encoder
Contextual Info: APR6/D Rev. 1 ^ Convolutional Encoding and Viterbi Decoding Using the DSP56001 with a V.32 Modem Trellis Example Motorola Digitai Signal Processors Convolutional Encoding and Viterbi Decoding Using the DSP56001 with a V.32 Modem Trellis Example by Dion Messer Funderburk

B1137

Abstract: branch metric trellis 5/6 decoder TMS320C6000 TMS320C6416 TR45 SPRU533 convolutional
Contextual Info: Application Report SPRA750 - June 2001 Using TMS320C6416 Coprocessors: Viterbi Coprocessor VCP Jelena Nikolic-Popovic Digital Signal Processing Solutions ABSTRACT Viterbi Coprocessor (VCP) is a programmable peripheral for decoding of convolutional codes, integrated into Texas Instruments’ TMS320C6416 DSP device. The VCP is controlled

Convolutional Encoder

Abstract: 171OCT Convolutional convolutional encoder interleaving BYP 303 ENCODER GMBH A112 AN2835 MRC6011 x8 encoder
Contextual Info: Freescale Semiconductor Application Note AN2835 Rev. 0, 9/2004 Building a Convolutional Encoder Using RCF Technology by Wim Rouwet Convolutional encoding is a forward error correcting FEC process associated with a Viterbi decoder on the receive side. Adding redundancy to the input data before it is sent to the

scrambler v.35 algorithm

Abstract: scrambler satellite v.35
Contextual Info: STEL-2070A Data Sheet STEL-2070A Dual Constraint Length K=7,9 Convolutional Encoder Viterbi Decoder R Powered by ICminer.com Electronic-Library Service CopyRight 2003 FEATURES • Dual Constraint Length: 7 or 9 ■ Coding Gain: 5.2 dB (@ 10-5 BER, K = 7)

scrambler v.35 algorithm

Abstract: scrambler satellite v.35 scrambler v.35 diagram CNT-240 STEL-2070A bpsk modulator low frequency bpsk modulator ic CNT2423-0 CNT160 convolutional
Contextual Info: STEL-2070A Data Sheet STEL-2070A Dual Constraint Length K=7,9 Convolutional Encoder Viterbi Decoder R FEATURES • Dual Constraint Length: 7 or 9 ■ Coding Gain: 5.2 dB (@ 10-5 BER, K = 7) ■ Rate 1/2 6.0 dB (@ 10-5 BER, K = 9) ■ Three Bit Soft Decision Inputs in Signed

g3d0

Abstract: PLCC 68 intel package dimensions "7 Bit Shift Register" data scrambler reference signal every symbols STEL-5268 2040a convolutional scrambler satellite v.35
Contextual Info: STEL-2040A Data Sheet STEL-2040A Convolutional Encoder Viterbi Decoder R FEATURES • Constraint Length 7 ■ Coding Gain of 5.2 dB @ 10-5 BER, Rate 1/2 ■ Rates 1/3 , 1/2 , 2/3* and 3/4* (*Punctured) ■ Industry Standard Polynomials ■ Built in BER Monitor

atmel 806

Abstract: avr32-uc3 atmel 718 atmel 906 radix-4 DIT FFT C code atmel 532 radix-4 dit 64 point FFT radix-4 atmel h 952 AVR32
Contextual Info: AVR32718: AT32UC3 Series Software Framework DSPLib 32-bit 1. Introduction This application note describes the DSP Library from the AVR32 Software Framework. It details the main functions prototype, algorithm and benchmark of the DSP library: FFT, convolution, FIR and partial IIR using GCC compiler.

Implementation of convolutional encoder

Abstract: DS525 turbo encoder design using xilinx DSP HARQ MULT18X18S
Contextual Info: 802.16e CTC Encoder v2.1 DS525 April 2, 2007 Product Specification Features Applications • Drop-in module for Spartan -3, Spartan-3E, Spartan-3A/3AN/3A DSP, Virtex™-II, Virtex-II Pro, Virtex-4, and Virtex-5 FPGAs The Convolutional Turbo Code CTC encoder meets

2040b

Abstract: scrambler satellite v.35 STEL-2040B scrambler v.35 algorithm G3N1 STEL-5268 STEL-2040A
Contextual Info: Network Communications Group - Cable Network Operation STEL-2040B Data Sheet STEL-2040B Convolutional Encoder Viterbi Decoder 1 STEL-2040B FEATURES n Constraint Length 7 n Coding Gain of 5.2 dB @ 10-5 BER, Rate 1/2 n Rates 1/3 , 1/2 , 2/3* and 3/4* (*Punctured)

Contextual Info: S i GEC PLESS EY S E M I C O N D U C T O R S DS3590-3.2 MA1916 RADIATION HARD REED-SOLOMON & CONVOLUTION ENCODER The purpose of the MA1916 is to encode serial data to allow error correction when the data is transmitted over a noisy communication link. As the name suggests, the unit contains

STEL-5269 512

Abstract: AN 5269 qpsk transmitter STEL-5269 74HC74 decoder STEL-5268 convolutional convolutional encoder interleaving bpsk modulator STEL-5269+512
Contextual Info: STEL-5269+512 Data Sheet STEL-5269+512 Convolutional Encoder Viterbi Decoder R FEATURES • CONSTRAINT LENGTH 7 ■ CODING RATES 1/2 AND 1/3 ■ THREE BIT SOFT-DECISION INPUTS IN ■ CODING GAIN OF 6.0 dB AT 10–5 BER, RATE 1/3 ■ INDUSTRY STANDARD POLYNOMIALS