将802.11ax与现在大范围普及的11ac标准放到一起时，我们未必能够准确清晰的分辨出两者间具体的技术差异，甚至会心存疑惑，11ac已经能够很好的满足家庭所需，我们真的需要11ax吗？ 802.11ax又被称为“高效率无线标准”（High-Efficiency Wireless，HEW），将用户密集 ...

记得曾经在去年写过一篇《技术分析第19期：5G WiFi无线连接解析》， 当时解析了我们5G频段WiFi的相关信息。今天要阐述的也是关于每天与我们腻在一起的WiFi无线网络的标准802.11ac。不过开始前还是需要先理 清WiFi和技术标准802.11ac的关系。WiFi我们经常接触，其 ...

本文将探讨这两个标准的物理层特性，并介绍高数据速率是如何实现的。还将讨论更多的空间流、载波聚合和更高阶的调制方案如何直接转化成更高的数据吞吐能力。最后，我们将讨论每个标准的物理层演进给当前RF工程师带来了怎样的新测试挑战。 众所周知 ...

WiFi网络发展至今，已经可以说是达到了一个非常不错的水准。今天在市面上能见到的先进无线局域网设备普遍都能支持802.11n标准，达到300Mbps的无线传输速率对我们来说已经是非常简单的事情。 我们知道，11n标准最高可支持高达600Mbps的无线传输速率，也就是说 ...

南京理工大学无线校园网采用最新的802.11ac技术标准。802.11ac技术的优势在于： 1.更高的速率802.11ac作为802.11n的改进和发展，其中一个目标就是提供与千兆以太网络相比肩的高性能。现阶段11ac硬件采用3条流、80Mhz频宽，最大理论速度1300Mbps；第二阶段产品会保证 ...

The first routers based on the first draft of the next-generation wi-fi standard, 802.11ac, appeared at CES in 2012, sporting multiple antennas (the technical term is MIMO, standing for Multiple Input ...

Marvell日前宣布推出低功耗802.11ac组合无线芯片Avastar 88W8897，该芯片可极大地提升消费者的移动计算以及高清多媒体体验。Avastar 88W8897是业界首款802.11ac 2 x 2组合无线芯片，支持现今最先进的无线技术——近距离无线通信（NFC）和蓝牙4.0。 全球整合式芯片解决 ...

Faster Wi-Fi: It's something we all crave. Fortunately, it's also something we can have, even on a budget. It's not just about fast Internet speeds to and from your service provider. It's also about ...

Gigabit Wi-Fi, 802.11ac, is officially here, but what does that really mean? Here's my list of the five things you need to know before you invest in this new wireless technology. 1) 802.11ac is not ...

A version of this article also appeared in the June 2012 issue of Test & Measurement World. See the PDF. IEEE 802.11ac is a new draft WLAN standard being integrated into devices. The manufacturing of ...

For early adopters eager to build 802.11ac networks, Asus’s RT-AC66U is the best router for the job. Asus currently builds the best consumer-oriented 802.11n router—the RT-N66U Dual-Band Wireless N900 ...

Netgear’s Nighthawk 802.11ac router boasts a strong feature set, delivers exceptional range, and is reasonably priced. It’s the best Wi-Fi router on the market, at least for now. It’s been more than ...