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Adhoc
说明: 一篇介绍adhoc网络中DSR,AODV,DSDV协议的比较的文章,包括源代码和性能分析,(ADHOC networks introduced a DSR, AODV, DSDV protocol comparison article, including source code and performance analysis,)
- 2008-11-29 20:05:20下载
- 积分:1
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ucMultiIfacesSupport(3).pdf.tar
Multi interface implementation document for NS-2 for ad hoc network
- 2009-03-26 05:28:28下载
- 积分:1
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biyesejitognxinxitong
中文摘要
正交频分复用( OFDM , Orthogonal Frequency Division
Multiplexing)是当前一种非常热门的通信技术。它即可以被看作是一种
调制技术,也可以被看作是一种复用技术。由于它具有抗多径衰落和频谱
利用率高的特点,因此被广泛应用于高速数字通信领域,比如应用于IEEE
802.11a无线局域网(WLAN)的物理层等等。
我的毕业设计的核心任务是:采用 FPGA 来实现一个基于OFDM 技术
的通信系统中的基带数据处理部分,即调制解调器。其中发射部分的调制
器包括:信道编码(Reed-Solomon 编码),交织,星座映射,FFT和插
入循环前缀等模块。我另外制作了相应的解调器,可以实现上述功能的逆
变换。
另外,我还对OFDM技术, IEEE 802.11a的标准文献,基于Simulink
的 OFDM 模型和仿真,ALTERA 公司的技术和 IP Core 的使用等方面进
行了研究。这些在文章中都有体现。
(Abstract
Orthogonal frequency division multiplexing (OFDM, Orthogonal the Frequency Division,
Multiplexing) is a very popular communication technology. It can be seen as a
Modulation technique can also be seen as a multiplexing technique. Because of its resistance to multipath fading and spectrum
High utilization characteristics, and is widely used in high-speed digital communications, such as used in IEEE
802.11a wireless LAN (WLAN) physical layer.
The core mission of my graduation project: FPGA to implement a technology based on OFDM
Communication systems in baseband data processing part, ie the modem. These emission part of the modulation
Includes: channel coding (Reed-Solomon coding), interleaving, constellation mapping, FFT and interpolation
Into the cyclic prefix modules. I also produced a corresponding demodulator can achieve the inverse of the above functions
Transformation.
In addition, OFDM technology, the IEEE 802.11a standard literature, based on Simulink
)
- 2012-05-20 21:58:18下载
- 积分:1
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inner_GRID
关于研究电力规划需求的文章,对做电力电网规划项目的人十分有用,比如电网概况,电网规划和重要电网指标分析等。(The Document is about Inner Mongolia Power Grid,which is usefull for the Needs analysis pepole,for example basic Grid,grid planning and Important index... )
- 2020-07-30 17:18:39下载
- 积分:1
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dd-160128fc-2a.pdf.tar
OLED DISPLAY MODULE
I m using a 160x128 Graphic OLED Display from Densitron (DD-160128FC-2A) with the ATmega1281. The LCD is controlled via a SEPS525 OLED Driver IC. I use the LCD in 8bit parallel mode.
Both the LCD and controller datasheet is VERY vague and I struggle to get the LCD to respond.
The OLED controller is configured via 3 registers, IR (Index), WDR (Write Data Register) & RDR (Read Data Register).
It is the first time I come across this register INDEXING method and can t find any examples or discussions on the control sequence.
- 2009-07-21 13:43:58下载
- 积分:1
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Spatial-Modulation
spaital modulation是08年开始盛行的一种空间调制技术,他相比于v-blast,mrc等方式有了长足的进步。(Spatial modulation (SM) is a recently developedtransmission technique that uses multiple antennas.)
- 2012-04-26 12:09:32下载
- 积分:1
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Dadenkov_DA_Solodkiy_EM_SHachkov_AM_Modelirovanie
Async Motor Vector Control
- 2017-06-02 18:29:31下载
- 积分:1
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NEFCLASS
This document explains the NEFCLASS. NEFCLASS is a Neural Fuzzy Classification model. Mainly used for the classification of data.
- 2009-10-09 00:20:43下载
- 积分:1
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Aurora
使用开源软件Aurora做的交通仿真研究(Using Aurora Road Network Modeler for Active Traffic Management)
- 2011-02-16 15:36:03下载
- 积分:1
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Cloud-computing--architecture-.ppt
云计算技术与架构前瞻
云计算的市场前景
云计算的现状
云计算的技术、架构发展趋势(Cloud computing technology, the status of the market prospects for technology and architecture forward-looking cloud computing cloud computing cloud computing architecture development trends)
- 2012-08-19 20:00:37下载
- 积分:1