The simplest understanding of Beacon based on Bluetooth technology is a small information base station that can be used in indoor navigation, mobile payment, in-store shopping guide, flow analysis, item tracking and so on. What Beacon technology does is capture and push information to mobile devices within communication coverage via Bluetooth Smart. In 2014, many institutions have carried out some experimental projects, and there are predictions that in 2015, Beacon will be deployed and bring more new services on a global scale. ABI Research predicts that the total number of Beacon devices on the market will reach 60 million by 2019, which is evident in the market.
In most cases, Beacon can perform indoor positioning and provide corresponding services, such as pushing brand promotion information in department stores in time, positioning passengers at the airport for boarding gates and dining facilities, or pushing museums to visitors. Information, etc. In these application scenarios, Beacon's location is fixed, and users can obtain these location information through the smartphone app. But recently there have been some mobile Beacon applications. For example, Lighthouse's wearable Beacon solution provides location tracking and security for students who need special help. In China, there are always old people or children in the crowds during the Spring Festival or the tourist season. In the future, this mobile and wearable Beacon solution can help people find lost and faster in public places. Loved ones.
Plan Beacon ID to accurately determine relative position
Beacon's first priority is to allow the APP to confirm the relative position between the two and use this location information to achieve more functions. The APP must have access to the corresponding data and associate the Beacon ID transmitted in the Bluetooth advertising packet with the actual location distribution information. The simpler the location information is, the better it is to facilitate APP reading and analysis. For example, for the Beacon application of the store, it is more appropriate to plan the Beacon ID according to the store ID, so that the APP can determine whether the user is entering the Li Ning on the left or the Nike on the right.
Planning the Beacon ID in the Beacon advertising data package based on the location information is an important prerequisite for Beacon to implement many applications. Beacon ID data can be set locally via an APP installed on the device or sent to the cloud or network for remote operation. The benefit of local data storage is that it is easy to access and works without a network. In the case of remote data storage, the data used by users is the same, but network access is inevitably more time consuming, so pay more attention to ensure that the user experience is not affected. Sometimes the best solution is to use a "mashup" approach where local data is synchronized remotely and stored in the APP's local database. In this way, the APP can use the latest data without a network.
APP runs automatically in the background without user intervention
For the user, it is best to detect nearby Beacon without having to open the app. This means that the APP is best able to run automatically in the background without user intervention. This requires careful use of system resources (such as power supply) during development. Of course, the premise is to make sure your smartphone has Bluetooth enabled.
Relative distance depends on the situation
How close is it to the nearest, this is a problem that all Beacon application developers need to consider. In fact, this needs to be decided according to the actual situation. For some applications, as long as there are one or two Beacon (multiple Beacon-definable areas) signals, you can trigger actions, such as for customers entering a mall or store, and passengers approaching the check-in counter at the airport. Wait. For other applications, the user may be prompted when the user is very close to a particular Beacon. For example, a small-scale, densely populated museum or museum's navigation system will require the exhibitor to be prompted when the visitor is very close to a particular exhibit.
The relative distance of the user can be estimated by Beacon. Because the advertising data packet contains the comparison data of distance and signal strength (such as the signal strength when the distance is one meter), we can calculate the corresponding signal strength measured by the receiver (such as mobile phone). distance. If you use the API (ApplicaTIon Programming Interface), you will find that the API can easily implement distance measurement. However, it must be pointed out that the distance is the result of the calculation, not the exact calculation (although the accuracy of the measurement can already meet the needs of most current applications).
Beacon advertising data form multiple options
There have been a lot of articles about Beacon, especially about iBeacon. iBeacon is Apple's advertising data form and is Apple's patent. iOS devices provide native support for iBeacon, but in some cases you also need to meet specific certification requirements. More information about iBeacon can be found at Apple.com.
However, there are other Beacon ad format specifications, such as the AltBeacon of the Radius Network. AltBeacon is open source and can be applied to any platform without restrictions. It also recently released an open source API for Android.
How to open the application
The retail and marketing arena's big arena, providing unlimited imagination for channel marketing and a better consumer experience. It is foreseeable that the use of Beacon will have a bright future: products and promotional information will be sent to customers through Beacon; museums and art galleries can also develop special applications, and send the theme of the exhibition hall to visitors who are going to the progress hall, or Visitors who stop in front of the exhibits send detailed exhibit information, etc. The airport can also use Beacon to track the movements of all passengers. For those who have ideas for developing Beacon applications, you can register to download the latest development tool Bluetooth Developer Studio and start your own Beacon development journey.
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