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Are you WiFi Aware?

By Richard Ellor
29 October 2015
2 min read
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.

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The Wi-Fi Alliance recently launched a certification programme for a new technology and standard called Wi-Fi Aware. But what does this mean?

What is Wi-Fi Aware?

Wi-Fi Aware is an always-on technology that enables devices to discover other nearby devices, applications and information. We think this short video from the WiFi Alliance explains it really well.

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

What makes WiFi Aware different from other technology available?

Wi-Fi Aware is based on the Wi-Fi Alliance Neighbor Awareness Networking (NAN) Technical Specification. It enables devices to discover nearby information and services and initiate interactions with people and services without a connection to a wireless access point.

When a device discovers an interesting service, the device then initiates a high-performance WiFi connection. Meaning devices employing Wi-Fi Aware will be able to exchange information about nearby services or apps in a more energy and data efficient way.

What's more, many existing technologies only conduct one-way communication, which precludes information exchange during discovery. Wi-Fi Aware can support a two-way conversation with other enabled devices and allows for a bi-directional exchange of small pieces of information, for example, location data, sensor readings, and services in proximity.

How will it be used?

So far, common examples cited could be friend-finder, social gaming applications, targeted ads or coupons, or as a product locator inside a marketplace. Proximity has become a critical element of today's mobile connected experiences, and proximity-based applications stand to significantly benefit from the new capabilities of Wi-Fi Aware. Wi-Fi Aware will bring higher contextual awareness enabling more immediate, personalised applications that continuously scan surroundings, anticipate actions and notify users of services or selected preferences. Wi-Fi Aware will make the user's environment much more dynamic and interactive which is surely what most people want.

Source: Wi-Fi Aware: Better Proximity Technology for Personalised Experiences WiFi Alliance July 2015

Frequently asked questions

What is WiFi Aware and how does Neighbor Awareness Networking work?

WiFi Aware is a WiFi Alliance certification built on the Neighbor Awareness Networking (NAN) specification, which is a WiFi Alliance spec rather than an IEEE amendment (802.11ai is a separate amendment, FILS fast initial link setup). It enables compatible devices to discover each other, form localized peer-to-peer clusters, and exchange contextual data over short-to-medium ranges without needing an intermediate access point, cellular base station, or GPS fix. Devices synchronize heartbeats across small discovery windows to minimize power consumption while broadcasting and querying local services.

How does WiFi Aware differ from BLE beacons and WiFi Direct?

BLE beacons transmit one-way, low-bandwidth identifiers that require cloud backhauls to display content. WiFi Direct establishes high-bandwidth peer-to-peer links but requires manual pairing and consumes substantial battery. In contrast, WiFi Aware operates autonomously in the background, discovers nearby services with low energy overhead, and dynamically transitions into high-speed data exchanges of up to 100 Mbps or more when triggered.

Does WiFi Aware require an internet connection or access point infrastructure?

No. WiFi Aware is completely decentralized and operates without access points, internet connectivity, or cellular signals. Discovered endpoints form ad-hoc NAN clusters directly using their WiFi radios. However, commercial venues often pair WiFi Aware mobile applications with Purple Guest WiFi infrastructure to capture verified customer identity and synchronize in-store engagement with cloud CRM platforms.

What security and privacy standards protect WiFi Aware data exchanges?

WiFi Aware incorporates the NAN Security Protocol (NSP), providing pairwise cryptographic key agreements, authenticated service discovery, and WPA3-grade encryption for all peer sessions. To safeguard user privacy, devices randomize their MAC addresses during discovery intervals, preventing passive RF snooping or unauthorized tracking across public spaces.

How do commercial venues combine WiFi Aware with Purple Guest WiFi and location analytics?

Venues use WiFi Aware for low-latency, device-to-device interactions such as indoor wayfinding, item locators, and localized gaming, while Purple Guest WiFi handles venue-wide client onboarding, captive portal marketing, and footfall analytics. Combining both protocols allows operators to deliver interactive in-venue digital experiences while compiling comprehensive venue intelligence.

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