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您了解 WiFi Aware 吗?

作者:Richard Ellor
29 October 2015
1 分钟阅读
Are you WiFi Aware?
Interactive proximity evaluator

WiFi Aware (NAN) and proximity technology evaluator

Compare WiFi Aware (Neighbour Awareness Networking) against BLE beacons, WiFi Direct, and Captive Portal Location Services.

Technical specifications: WiFi Aware (Neighbour Awareness Networking, WiFi Alliance NAN)

Discovery RangeNormal WiFi range (tens of metres indoors)
Bi-directional ExchangeYes (Two-way)
Requires AP InfrastructureNo (Direct P2P Cluster)
Security StandardNAN pairing and cipher suites (NCS-SK)
Use case alignment: Retail and supermarket proximity engagement

In-aisle product discovery, personalised offers, and automated store check-in.

Architect Recommendation: Combine WiFi Aware for app-based product locators with Purple Captive Portal to capture verified customer emails and purchase intent.

Looking for venue location intelligence and guest WiFi analytics?

Purple's hardware-agnostic platform combines cloud guest WiFi, captive portal customisation, and location analytics for over 80,000 venues worldwide.

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Wi-Fi 联盟近期针对一项名为 Wi-Fi Aware 的新技术和标准启动了认证计划。但这究竟意味着什么?

什么是 Wi-Fi Aware?

Wi-Fi Aware 是一种常驻技术,使设备能够发现附近的其它设备、应用程序和信息。我们认为 WiFi 联盟的这段短视频解释得非常清楚。

https://www.youtube.com/embed/xwSYPqqhTsQ

WiFi Aware 与现有其它技术有什么不同?

Wi-Fi Aware 基于 Wi-Fi 联盟邻近感知网络(NAN)技术规范。它使设备能够在无需连接无线接入点的情况下,发现附近的信息和服务,并与人和服务发起互动。

当设备发现感兴趣的服务时,该设备随后会发起高性能的 WiFi 连接。这意味着采用 Wi-Fi Aware 的设备将能够以更节能、更省流量的方式交换有关附近服务或应用的信息。

此外,许多现有技术仅进行单向通信,这阻止了在发现过程中的信息交换。Wi-Fi Aware 可以支持与其他启用了该功能的设备进行双向对话,并允许双向交换微量信息,例如位置数据、传感器读数和邻近的服务。

它将如何被使用?

到目前为止,常被提及的例子包括寻找好友、社交游戏应用、定向广告或优惠券,或者作为商场内的商品定位器。邻近性已成为当今移动互联体验的关键要素,而基于邻近性的应用将从 Wi-Fi Aware 的新功能中显著受益。Wi-Fi Aware 将带来更高的情境感知能力,从而实现更即时、更个性化的应用,这些应用可以持续扫描周围环境、预测行动并向用户通知服务或选定的偏好。Wi-Fi Aware 将使用户的环境变得更加动态和更具互动性,这无疑是大多数人所期望的。

来源:Wi-Fi Aware:为个性化体验提供更好的邻近技术 WiFi 联盟 2015 年 7 月

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