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Description: 在短波跳频通信中OFDM与Turbo码技术的研究-In the short-wave frequency-hopping communication OFDM with Turbo Code technology
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Size: 1934336 |
Author: xiliqian |
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Description: 该文对OFDM原理及其实现做了分析说明,还分析了Turbo码的编译码。阐述了Turbo
码应用与OFDM的意义,并对Turbo-OFDM进行了MATLAB仿真。
-The principle and the realization of OFDM analysis done, but also an analysis of the encoding and decoding Turbo codes. Turbo Code Applications on the meaning and OFDM, and Turbo-OFDM for the MATLAB simulation.
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Size: 56320 |
Author: zhouxu |
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Description: 介绍MIMO系统中的检测算法，重点是迭代检测的原理。MIMO是下一代无线通信的关键技术之一。-MIMO system introduced detection algorithm, with emphasis on the principle of iterative testing. MIMO is the key to next-generation wireless communications technologies.
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Size: 819200 |
Author: 王洪翔 |
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Description: ofdm system being implemented with turbo codes are discussed and uses matlab as programming language
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Size: 327680 |
Author: dhruva |
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Description: turbo码的编解码程序，采用max-log-map算法，简单易用。程序采用QPSK调制，信道为AWGN-turbo code decoding process, using max-log-map algorithm, easy to use. Program uses QPSK modulation, AWGN channel is
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Size: 4096 |
Author: 张佑昌 |
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Description: 本程序可仿真IEEE802.16e LDPC编解码器，程序设计原理见本人如下专著。
[1] 肖扬著, Turbo与LDPC编解码及其应用,人民邮电出版社，2010.
[2] 肖扬著, MIMO多天线无线通信系统，人民邮电出版社，2009。
本程序只用于科研，不得用于其它场合。-The program can simulate LDPC codec with IEEE 802.16e LDPC of the size
2256*4512, and 1/2 code rate.
Copyright (C2010-2015) Yang XIAO, Beijing Jiaotong University, Nov.3, 2010, E-Mail: yxiao@bjtu.edu.cn.
Current Version Published: 2010-11-3
In my following books, I derived the algorithm of constructing the parity check matrices of IEEE 802.16e LDPC.
[1] Y. Xiao, Turbo and LDPC Codecs and their Applications, Press of Posts and Telecommunications, Beijing, 2010.
[2] Yang Xiao, MIMO Multiple Antenna Wireless Communication Systems, Press of Posts and Telecommunications, Beijing, 2009.
This program also provides the LDPC code with the size 4512*2256, and 1/2 code.
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Size: 72704 |
Author: 肖扬 |
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Description: turbo ofdm in awgn channel
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Size: 1024 |
Author: sun2012flower |
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Description: 本程序给出了采用Turbo编码及其信道估计的OFDM的性能仿真。采用时域LS信道估计。对于初学OFDM及信道估计的非常有帮助。-This program is used to simulate the performance of OFDM with turbo coding and time domain LS channel estimation.
It is useful for the primer for learning OFDM systems and channel estimation algorithms.
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Size: 10240 |
Author: dongming |
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Description: communication ofdm mc cdam system with turbo coding
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Size: 113664 |
Author: husam |
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Description: I am uploading a file of Turbo Coded OFDM with Large Number of Subcarriers.
Plz accept it.
Thanks and Regards,
salman
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Size: 1167360 |
Author: Mohd Salman |
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Description: OFDM with turbo codes which will provide more description than the other error correcting codes
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Size: 14336 |
Author: gopi |
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Description: A historical perspective of orthogonal frequency-division multiplexing
(OFDM) is given with reference to its literature. Its advantages
and disadvantages are reviewed, and its performance is
characterized over highly dispersive channels. The effects of both
time- and frequency-domain synchronization errors are quantified,
and a range of solutions proposed in the recent literature are reviewed.
One of the main objectives of this review is to highlight the
recent thinking behind adaptive bit allocation and turbo coding in
the context of OFDM. This paper concludes with a wide-ranging
throughput comparison of the schemes discussed herein under the
unified constraint of a fixed target bit error rate of 10 4.
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Size: 435200 |
Author: redami |
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Description: Long-Term Evolution (LTE) is a new standard speci ed by 3GPP for fourth generation (4G)
wireless communications. LTE provides high spectral eciency, high peak data rates, short
round trip time, and frequency
exibility. It relies on the following technologies Orthog-
onal Frequency Division Multiplexing (OFDM) and Multiple-Input and Multiple- Output
(MIMO), robust channel coding, scheduling and link adaptation [1]. LTE is interoperable
with widely used technologies such as GPRS, WCDMA and HSPA, and this enables mobile
operators deploying LTE to provide a seamless service and multimode devices for customers.
Some companies have already launched commercial LTE networks, e.g., Verizon Wireless in
the United States and Vodafone in Europe.
Here,the throughput of LTE physical layer in downlink transmissions is carried out. The various steps like CRC,turbo coding, code block segmentation,scrambling, modulation and precoding are also carried out.-Long-Term Evolution (LTE) is a new standard speci ed by 3GPP for fourth generation (4G)
wireless communications. LTE provides high spectral eciency, high peak data rates, short
round trip time, and frequency
exibility. It relies on the following technologies Orthog-
onal Frequency Division Multiplexing (OFDM) and Multiple-Input and Multiple- Output
(MIMO), robust channel coding, scheduling and link adaptation [1]. LTE is interoperable
with widely used technologies such as GPRS, WCDMA and HSPA, and this enables mobile
operators deploying LTE to provide a seamless service and multimode devices for customers.
Some companies have already launched commercial LTE networks, e.g., Verizon Wireless in
the United States and Vodafone in Europe.
Here,the throughput of LTE physical layer in downlink transmissions is carried out. The various steps like CRC,turbo coding, code block segmentation,scrambling, modulation and precoding are also carried out.
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Size: 4096 |
Author: anju |
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Description: LTE system,
OFDM modulation and Turbo
Coding, including Viterbi, BCJR
and SOVA are extensively analysed,
ending up with a system performance
specification. These are
used to implement a fixed length
Turbo encoder, a 16-QAM modulator
and a 16 point IFFT on an
FPGA using MATLAB Simulink⃝ R
with Xilinx⃝ R System Generator plugin.
A MATLAB⃝ R script is developed
to test the Simulink implementation.
In addition, an iterative
Turbo decoder is programmed using
MATLAB⃝ R .
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Size: 11264 |
Author: mezo |
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Description: LTE system,
OFDM modulation and Turbo
Coding, including Viterbi, BCJR
and SOVA are extensively analysed,
ending up with a system performance
specification. These are
used to implement a fixed length
Turbo encoder, a 16-QAM modulator
and a 16 point IFFT on an
FPGA using MATLAB Simulink⃝ R
with Xilinx⃝ R System Generator plugin.
A MATLAB⃝ R script is developed
to test the Simulink implementation.
In addition, an iterative
Turbo decoder is programmed using
MATLAB⃝ R .
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Size: 11264 |
Author: mezo |
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Description: Throughout the project the LTE system,
OFDM modulation and Turbo
Coding, including Viterbi, BCJR
and SOVA are extensively analysed,
ending up with a system performance
specification. These are
used to implement a fixed length
Turbo encoder, a 16-QAM modulator
and a 16 point IFFT on an
FPGA using MATLAB Simulink R ⃝
with Xilinx R ⃝ System Generator plugin.
A MATLAB R ⃝ script is developed
to test the Simulink implementation.
In addition, an iterative
Turbo decoder is programmed using
MATLAB R ⃝ .-Throughout the project the LTE system,
OFDM modulation and Turbo
Coding, including Viterbi, BCJR
and SOVA are extensively analysed,
ending up with a system performance
specification. These are
used to implement a fixed length
Turbo encoder, a 16-QAM modulator
and a 16 point IFFT on an
FPGA using MATLAB Simulink R ⃝
with Xilinx R ⃝ System Generator plugin.
A MATLAB R ⃝ script is developed
to test the Simulink implementation.
In addition, an iterative
Turbo decoder is programmed using
MATLAB R ⃝ .
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Size: 2099200 |
Author: mezo |
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Description: In this paper, we employ iteratively decodable codes in a turbolike receiver of a multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) communication system. With such a receiver, we compare the decoding complexity and performance of a turbo code with a lowdensity-parity-check (LDPC) code.
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Size: 122880 |
Author: mahdi
|
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Description: LTE 包括MIMO OFDM ,Turbo编码等关键技术，理解4G技术，用matlab建模仿真重要关键技术。(LTE includes key technologies such as MIMO OFDM, Turbo coding and so on, understanding 4G technology and modeling and simulation key technologies with MATLAB.)
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Size: 2408448 |
Author: 江海山人 |
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