无线网络设备供货商领导厂商Aruba Networks日前发表了一份802.11n设计与基础架构规划考虑因素技术白皮书──《为速度而生：802.11n网络基础架构》，说明系统整合商与终端使用者在建置802.11n前应注意的事项。 无线网络设备供货商领导厂商Aruba Networks日前发表了 ...

(Editor's note: This popular feature article, which was first published May 2007, is being republished in response to its great popularity and the likelihood that the 802.11n spec will be ratified in ...

Backward compatibility with the legacy devices (IEEE 802.11b/g) The typical 802.11n network consists of legacy 802.11b/g enabled systems and new 802.11n enabled MIMO-OFDM systems. The channel access ...

随着无线多媒体设备的普及以及高带宽应用需求的增加，WLAN必须具有更高的数据率。802.11n基于MIMO空中接口技术，覆盖范围扩大2倍，性能提升5倍，改变了Wi-Fi配置和使用方式，支持更大的海量数据应用，包括视频。从性能指标上看，802.11n已然成为下一代主流 ...

无线技术凭借其固有的特性不断地发展和增值。从最开始的802.11到802.11 a/b，再到802.11 g 和现在的802.11n标准。从开始到最终获准正式发布具有多项增强功能的协议标准，一共花费了超过七年的时间。 802.11n技术 在过去的七年里，IEEE标准化组织一直致力于研究一套 ...

OFDM调制技术是将高速率的数据流调制成多个较低速率的子数据流，再通过已划分为多个子载体的物理信道进行通讯，从而减少ISI（码间干扰）机会。 MIMO（多入多出）技术是在链路的发送端和接收端都采用多副天线，将多径传播变为有利因素，从而在不增加信道 ...

Wi-Fi's biggest advantage is that it provides mobility and coverage. But early versions of Wi-Fi did not achieve data rates on par with the wireline network. Recent advancements in wireless research ...

802.11n产品上市已经有一段时间了，但是消费者在选购时还是比较迷惑，到底802.11n产品相对于802.11g产品有什么优势，这些优势能给消费者的日常应用带来哪些好处？让我们一一为你解答，这期我们就先来看看两者的信号覆盖对比。 为了让大家看得更真切，我们 ...

Dan McCarriar is director of network and production services at Carnegie Mellon University in Pittsburgh, Pa. Here are six tips for getting started with 802.11n. All IT managers want the performance ...

This information is also available as a TechRepublic PDF download. As the 802.11n standard gets closer to final ratification, Enterprises are beginning to wonder how this may impact their Wireless LAN ...

On numerous occasions, and in our wireless troubleshooting tutorial, we've noted that turning off wireless security (encryption) or switching security protocols (from WPA2 to WEP or vice versa, etc.) ...

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