Description: In this paper, we provide an overview of the security concerns introduced by wireless LANs, current approaches to wireless LAN security, their limitations, and the weaknesses of various “band aid” security solutions. We conclude by describing how the ReefEdge Connect System provides a comprehensive solution to wireless LAN security.-In this paper, we provide an overview of the security concerns introduced by wireless LANs. current approaches to wireless LAN security, their limitations. and the weaknesses of various "band aid" securi ty solutions. We conclude by describing how the ReefEdge Connect System provides a comprehens ive solution to wireless LAN security. Platform: |
Size: 299008 |
Author:静水 |
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Description: The Wifidog project is an open source captive portal solution. It was designed primarily for wireless community groups, but caters to various other business models as well. If you have questions about the wifidog project, they may be answered in the FAQ. You may also be interested in seeing some of the community wireless groups, WISP s, universities, and private businesses currently using Wifidog across the globe. -The Wifidog project is an open source captive portal solution. It was designed primarily for wireless community groups, but caters to various other business models as well. If you have questions about the wifidog project, they may be answered in the FAQ. You may also be interested in seeing some of the community wireless groups, WISP s, universities, and private businesses currently using Wifidog across the globe. Platform: |
Size: 342016 |
Author:billy |
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Description: Atheros无线芯片AR-6000系列wince 6驱动源代码(这东西我也没用过别问我,我是搜别的wince资源搜到的)
AR6K SDIO support. Requires firmware 1.1 on SD13 cards.
readme:
Atheros Communications
AR6001 WLAN Driver for SDIO installation Read Me
March 26,2007
(based on k14 fw1.1)
Windows CE Embedded CE 6.0 driver installation.
1. Unzip the installation file onto your system (called installation directory below)
2. Create an OS design or open an existing OS design in Platform Builder 6.0.
a. The OS must support the SD bus driver and have an SD Host Controller driver (add these from Catalog Items).
b. Run image size should be set to allow greater than 32MB.
3. a. From the Project menu select Add Existing Subproject...
b. select AR6K_DRV.pbxml
c. select open
This should create a subproject within your OS Design project for the AR6K_DRV driver.
4. Build the solution.
转自Tony嵌入式,原文地址：http://www.cevx.com/bbs/dispbbs.asp?boardID=4&ID=11762&page=1-Atheros wireless chips AR-6000 series of wince 6 driver source code (which is something I did not used Do not ask me, I found other resources found wince to) AR6K SDIO support. Requires firmware 1.1 on SD13 cards. Readme: Atheros CommunicationsAR6001 WLAN Driver for SDIO installation Read MeMarch 26,2007 (based on k14 fw1.1) Windows CE Embedded CE 6.0 driver installation.1. Unzip the installation file onto your system (called installation directory below) 2. Create an OS design or open an existing OS design in Platform Builder 6.0. a. The OS must support the SD bus driver and have an SD Host Controller driver (add these from Catalog Items). b. Run image size should be set to allow greater than 32MB. 3. a . From the Project menu select Add Existing Subproject ... b. select AR6K_DRV.pbxmlc. select openThis should create a subproject within your OS Design project for the AR6K_DRV driver.4. Build the solution. Transfer from Tony embedded, the original address: http://www.cevx.com/bbs/dispbbs.asp?boardID=4 Platform: |
Size: 533504 |
Author: |
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Description: 国外教材fundamental of wireless communication 以及配套solution-Foreign materials as well as the fundamental of wireless communication package solution Platform: |
Size: 4595712 |
Author:郭佳欣 |
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Description: Nordic Semiconductor 的2.4G无线解决方案代码，有nRF24LU1的BOOTLOADER Source code,使用KEIL环境开发，以及C#开发的USB上位机UI界面，非常值得参考，特别是搞USB及2.4G无线通讯的-Nordic Semiconductor' s 2.4G wireless solution code, there is nRF24LU1 of BOOTLOADER Source code, use the KEIL environment, development, and C# development of USB host computer UI interface is very worth considering, in particular, is to carry out USB and 2.4G wireless communication Platform: |
Size: 1719296 |
Author:胡小平 |
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Description: IEEE802．11n是无线局域网技术的最新标准，介绍了基于802．11n的MIMO（多入多出）、OFDM（正交频分复用）和双频带等无线通信系统的关键技术，分析了在802．11n标准下WLAN的安全问题，通过数据加密、双向认证、动态WEP密钥和虚拟专用网络等方法，提出了基于802．11n的WLAN安全解决方案。 -IEEE802.11n is the latest wireless LAN technology standard introduced based on 802.11n, MIMO (Multiple Input Multiple Output), OFDM (orthogonal frequency division multiplexing) and dual-band wireless communication systems such as key technologies analyzed in 802 .11 n Standard WLAN security issues, through data encryption, mutual authentication and dynamic WEP key and virtual private network, the proposed 802.11n-based WLAN security solution. Platform: |
Size: 254976 |
Author:柳莺 |
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Description: Multiple—input multiple—output(MIMO)wireless technology in combination with orthogonal
frequency division multiplexing(OFDM)is all attractive air—interface solution for next—generation wideband
wireless networks．This paper provides all overview of the basics of MIMO —OFDM technology and focuses on
space—frequency signaling，receiver design，muhiuser systems，and hardware implementation aspects．We also
give the relevant open areas for further research． Platform: |
Size: 9206784 |
Author:delia |
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Description: 此应用是为了使个人计算机的影音数据能很容易的透过WiFi 802.11 5G标准来传递具1080p的影音数据,同时利用泰发科技TF680的Full HD TV接收盒的解决方案提供一HDMI接口的影音信号给大尺寸的LCD TV,用以同步显示个人计算机端的影音数据. 如图(一)。
图(一) ：泰发科技TF-680 Wireless to 1080P Display解决方法
而TF-680 TV 接收端BOX之内部架构图如图(二)，主要是利用一WiFi Module将影音数据收集后由TF-680进行数字数据的解压缩后再进行影音数据的encode可支持RGB888或CCIR656，并且将音频数据及影音数据输入HDMI的Transceiver IC，为以输出标准的HDMI V1.3的信号给Full HD TV。
供应无线高清视频解决方案，芯片可实现蓝光高清信号wifi传输到HDTV，可实现PC2HDTV，还能达到networkKVM功能。欢迎致电0755-86299369，Q,1472007603-This application is to enable the personal computer video and audio data can be easily via WiFi 802.11 5G standard to pass a 1080p video and audio data, while taking advantage of Taifa technology TF680' s Full HD TV receiver box solution that provides a video signal HDMI interface to large-size LCD TV, personal computer terminal for simultaneous display of video data shown in (a). Figure (a): Taifa Technology TF-680 Wireless to 1080P Display solutions and TF-680 TV receiver BOX internal structure shown in Figure (b), mainly using a WiFi Module audio and video data collected by the TF-680 decompress digital data and then encode the video data to support RGB888 or CCIR656, and the audio data and audio data input for HDMI Transceiver IC, as the output of a standard HDMI V1.3 signal to Full HD TV. Platform: |
Size: 2419712 |
Author:黄顺正 |
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Description: One issue with underwater sensors is how to efficiently transfer large amounts of data collected by the node to an interrogating platform such as an underwater vehicle. It is often impractical to make a physical connection between the node and the vehicle which suggests an acoustic or optical wireless solution. For large amounts of data, the high bandwidth of underwater optical wireless is an advantage. A small, low-cost platform to demonstrate the potential of an optical wireless communications
interface for underwater sensor nodes is demonstrated. To enhance the reliability and robustness of the optical wireless communication digital signal processing and error correction
techniques are used. The system was tested in 3 and 7.7 meter tanks at 5 Mbps with the turbidity of the water controlled by the addition of Maalox.-One issue with underwater sensors is how to efficiently transfer large amounts of data collected by the node to an interrogating platform such as an underwater vehicle. It is often impractical to make a physical connection between the node and the vehicle which suggests an acoustic or optical wireless solution. For large amounts of data, the high bandwidth of underwater optical wireless is an advantage. A small, low-cost platform to demonstrate the potential of an optical wireless communications
interface for underwater sensor nodes is demonstrated. To enhance the reliability and robustness of the optical wireless communication digital signal processing and error correction
techniques are used. The system was tested in 3 and 7.7 meter tanks at 5 Mbps with the turbidity of the water controlled by the addition of Maalox. Platform: |
Size: 3039232 |
Author:Mohamed Rias |
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Description: The wireless freedom experienced
by personal computer, handheld,
consumer electronics and cell
phone users is moving into the
digital home and office. People
want greater freedom and con-
venience in connecting all types
of devices. The answer is Ultra-
Wideband (UWB) Technology. This
power-efficient solution will provide
the high bandwidth required by the
latest and future portable home
and office devices for multiple
digital video and audio streams Platform: |
Size: 130048 |
Author:anna |
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Description: I d like to find reference design for a wireless headset (full-duplex, mono) using Nordic nRF24 line with on-board low-cost MCU as well as source code to get everything working properly. I ve attached the general specification. NO encryption is required for this model just simple connections to Vcc (5-12 VDC), Spk(+), SPK(-) and microphone.
Please contact me at your earliest convenience. Thank you in advance.-I d like to find reference design for a wireless headset (full-duplex, mono) using Nordic nRF24 line with on-board low-cost MCU as well as source code to get everything working properly. I ve attached the general specification. NO encryption is required for this model just simple connections to Vcc (5-12 VDC), Spk(+), SPK(-) and microphone.
Please contact me at your earliest convenience. Thank you in advance. Platform: |
Size: 1058816 |
Author:Dave |
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Description: Energy is one of the most important items to determine the network lifetime due to low power energy nodes included in the network. Generally, data aggregation tree concept is used to find an energy efficient solution. However, even the best aggregation tree does not share the load of data packets to the transmitting nodes fairly while it is consuming the lowest possible energy of the network. Therefore, after some rounds, this problem causes to consume the whole energy of some heavily loaded nodes and hence results in with the death of the network. In this paper, by using the Genetic Algorithm (GA), we investigate the energy efficient data collecting spanning trees to find a suitable route which balances the data load throughout the network and thus balances the residual energy in the network in addition to consuming totally low power of the network. Using an algorithm which is able to balance the residual energy among the nodes can help the network to withstand more and consequently extend its own lifetime. In this work, we calculate all possible routes represented by the aggregation trees through the genetic algorithm. GA finds the optimum tree which is able to balance the data load and the energy in the network. Simulation results show that this balancing operation practically increases the network lifetime. Platform: |
Size: 342534 |
Author:atrakpc@yahoo.com |
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