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Description: * Network Coding Network Simulator
*
* 06/10/05 - Aaron Drew
*
* This simulator is designed to test out the performance of a variety of network coding approaches.
*
* It simulates networks with dynamic topologies, reading from NS2 compatible node mobility files.
* I assume that:
* - wireless nodes are effected by a simple exponentially distributed noise floor.
* - latency = distance x speed of light + fixed processing time + random jitter.
*
* These assumptions can be easily changed in the code below.
*
* The simulator is a simple discrete event-based simulator like NS2, GloMoSim and others but designed specifically to support
* my network coding experiments. It has callbacks for 'transmit buffer empty' and may eventually support 'in air' collisions
* of packets and multiple radio channels. I didn't want to have to build upon the unnecessary MAC layers that exist in the
* other simulators.
*
* The network coding module in rlnc.h implements basic block encoding and decoding as well as block generation by intermediate
* nodes that have received partial data.
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Size: 12023 |
Author: yeyueyushen@163.com |
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Description: 获取远程机器名与Mac地址- Gains the long-distance machine name and the Mac address
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Author: |
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Description: Line Based Recognition using a Multidimensional Hausdorff Distance
_______ DESCRIPTION _______
Matching the image with its rotated and scaled version using 4
dimensional hausdorff measure.
___REFERENCE___
Paper 1: Line Based Recognition using a Multidimensional Hausdorff Distance
Xilin Yi , Octavia I. Camps. - IEEE Trans. on Patt. Ana. and Mac. Int. - Vol:21 - No:9- Line Based Recognition using a Multidimensional Hausdorff Distance
_______ DESCRIPTION _______
Matching the image with its rotated and scaled version using 4
dimensional hausdorff measure.
___REFERENCE___
Paper 1: Line Based Recognition using a Multidimensional Hausdorff Distance
Xilin Yi , Octavia I. Camps.- IEEE Trans. on Patt. Ana. and Mac. Int.- Vol:21- No:9
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Size: 78848 |
Author: Mehmet |
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Description: 在本次实验中，分为「移动节点无线区网」及「固定节点无线区网」两种环境来探讨。我调整MAC协议(共(2种)、路由协议(共2种)、网络拓扑(共5种)、节点数目(共3种)、节点密度(共1种)、传输距离(共1种)，因此固定节点实验的结果有2*2*5*(3)=60种。由于节点密度、传输距离该二项参数之变动与网络拓扑的维持造成很大的冲突，所以对于节点密度的影响，时间上只来得及作线状拓扑上的节点密度分析，其它种拓扑的密度皆不改变。而全部的传输距离只采用250m的设定，传输距离的设定见下文-In this experiment, divided into "mobile node wireless area networks"and the "fixed node in the wireless area network " to discuss the two environments. I adjusted the MAC protocol (a total of (2 species), routing protocols (2 species), the network topology (5 species), the number of nodes (3 species), the node density (total 1 species), distance (total 1 species) Therefore, the experimental results of fixed nodes, 2* 2* 5* (3) = 60. Since the node density, transmission range of the two parameters change in the maintenance of the network topology caused great conflict, so the impact of node density , the time just in time for the linear topology of the node density analysis, neither the density of other types of topology change. and all of the transmission distance of 250m using only the setting, the setting distance below
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Size: 2048 |
Author: james |
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Description: 本文讨论了EPON MAC中的测距技术、上行带宽分配算法及ONU的软、硬件实现方案。由于E－PON的MAC协议还在讨论之中，所以EPON MAC中的其他问题还有待于进一步研究探讨，软硬件实现还有待专用芯片的推出和IP核心的研制，EPON真正走上市场，还需广大科研人员付出艰苦的努力-This article discusses the distance EPON MAC technology, upstream bandwidth allocation algorithm and ONU software and hardware implementation. The E-PON of the MAC protocol is still under discussion, so the other issues EPON MAC needs further study, yet to be dedicated hardware and software to achieve the introduction of chip and IP core development, EPON really took to the market, the need to the majority of researchers painstaking efforts
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Size: 211968 |
Author: 诸葛龙 |
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Description: 本文讨论了EPON MAC中的测距技术、上行带宽分配算法及ONU的软、硬件实现方案。由于E－PON的MAC协议还在讨论之中，所以EPON MAC中的其他问题还有待于进一步研究探讨，软硬件实现还有待专用芯片的推出和IP核心的研制，EPON真正走上市场，还需广大科研人员付出艰苦的努力-This article discusses the distance EPON MAC technology, upstream bandwidth allocation algorithm and ONU software and hardware implementation. The E-PON of the MAC protocol is still under discussion, so the other issues EPON MAC needs further study, yet to be dedicated hardware and software to achieve the introduction of chip and IP core development, EPON really took to the market, the need to the majority of researchers painstaking efforts
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Size: 1113088 |
Author: 诸葛龙 |
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Description: 本装置是由多个探测节点和一个监测终端构成的无线环境监测系统。探测节点具备对温度、湿度和光照等环境信息的采集、处理和数据收发等功能，其主控芯片采用超低功耗MSP430单片机。监测终端可向探测节点发送指令，接收节点数据并具备数据显示和打印功能。探测节点与监测终端直接通信距离达30cm，节点具备自动转发功能，增加了终端与节点的探测距离。系统设计了基于洪泛的路由机制和基于随机退避的MAC机制，各节点与终端具备了简单的自治组网能力。-This device is a DuoGe detecting node and a monitoring terminal constitute a wireless environment monitoring system. Ability to detect the node temperature, humidity and light and other environmental information collection, treatment and data transceiver, and other functions, its main control chip using low power consumption MSP430 microcontroller. Monitoring terminal can be detecting node to send command data and has received node data display and print function. Detecting node and monitoring terminal direct communication distance up to 30 cm, with automatic nodes forward function, increase the terminal and the detection range node. The system was designed based on the flooding routing mechanism and based on the random retreats MAC mechanism, various nodes and terminal with simple autonomous networking skills.
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Author: yangbo |
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Description: MTK/联发2×2双频无线局域网5.0GHz网卡芯片MT7612EN
该MT7612E是一个高度集成的单芯片，内置了一个2×2双频无线局域网的无线。它支持IEEE802.11ac的标准草案，并提供最高的PHY速率可达867Mbps，提供功能丰富的无线连接和可靠的吞吐量从一个扩展的距离。优化的射频架构和基带算法提供了卓越的性能和低功耗消费。(MTK/mediatek 2 x 2 MT7612EN 5.0 GHz dual-band wireless LAN card chip
The MT7612E is a highly integrated single chip, built a 2 x 2 dual-band wireless LAN, wireless.It supports the draft standard IEEE802.11 ac, and provide the highest PHY rate of up to 867 MBPS, provide feature-rich wireless connections and reliable throughput the distance from an extension.Optimization of radio frequency (rf) architecture and baseband algorithm provides excellent performance and low power consumption.MT7612E integrated PA/LNA has referred to the number of external components is reduced to a minimum.Smart MAC design and deployment of an efficient DMA engine and data processing hardware accelerator uninstall host processor.The MT7612E support 802.11 I safety standards, and realize the hardware acceleration TKIP, CCMP and WAPI.The device will also support the QoS of 802.11 e video, voice and multimedia applications.)
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Author: yushibin |
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Description: ZigBee协议适应无线传感器的低花费、低能量、高容错性等的要求。Zigbee的基础是IEEE 802.15.4。但IEEE仅处理低级MAC层和物理层协议，因此Zigbee联盟扩展了IEEE，对其网络层协议和API进行了标准化。Zigbee是一种新兴的短距离、低速率的无线网络技术。主要用于近距离无线连接。它有自己的协议标准，在数千个微小的传感器之间相互协调实现通信。(The ZigBee protocol adapts to the requirements of low cost, low energy and high fault tolerance of wireless sensor. The basis of Zigbee is IEEE 802.15.4. But IEEE only handles low-level MAC layer and physical layer protocols, so the Zigbee alliance extends IEEE, standardization of its network layer protocol and API. Zigbee is a new wireless network technology with short distance and low rate. It is mainly used for close range wireless connection. It has its own protocol standard, which coordinates communication between thousands of tiny sensors.)
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Size: 10517504 |
Author: chark |
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Description: ZigBee协议适应无线传感器的低花费、低能量、高容错性等的要求。Zigbee的基础是IEEE 802.15.4。但IEEE仅处理低级MAC层和物理层协议，因此Zigbee联盟扩展了IEEE，对其网络层协议和API进行了标准化。Zigbee是一种新兴的短距离、低速率的无线网络技术。主要用于近距离无线连接。它有自己的协议标准，在数千个微小的传感器之间相互协调实现通信。(The ZigBee protocol adapts to the requirements of wireless sensor such as low cost, low energy and high fault tolerance. The basis of Zigbee is IEEE 802.15.4. However, IEEE only deals with low-level MAC and physical layer protocols, so the Zigbee alliance extends IEEE and standardized its network layer protocol and API. Zigbee is a new short distance and low rate wireless network technology. It is mainly used for close range wireless connection. It has its own protocol standard, and realizes communication between thousands of tiny sensors.)
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Size: 15783936 |
Author: 叶晨叶晨 |
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