The phrase "active beacon" is correct and usable in written English.
It can be used in contexts related to technology, navigation, or communication, where a beacon is transmitting signals or information actively.
Example: "The search and rescue team relied on the active beacon to locate the stranded hikers in the dense forest."
Alternatives: "functioning beacon" or "operational beacon".
Main contribution of this paper is developing a dynamic localization scheme to be used for the moving objects, which is a new application field of active beacon sensors.
Design and implementation of the localization system comes from the usage of active beacon systems each of which is composed of an RFID receiver and an ultra-sonic transmitter.
In our previous work we showed that this approach is capable of keeping a robot localized in small to medium sized areas, e.g. in a living room, where four continuous signals of an active beacon are measured (Gutmann et al., 2012).
First, it's very low-power, allowing devices to sip energy as they wait to hear a signal from an active beacon.
This paper presents a new vision tracking system for mobile robot by integrating information received from encoders, inertial sensors, and active beacons.
On the other hand inertial sensors have the problem of integration of noisy data, while active beacons are slow when compared to other sensors.
Vector field SLAM is a framework for localizing a mobile robot in an unknown environment by learning the spatial distribution of continuous signals such as those emitted by WiFi or active beacons.
He uses TV remote control units as active beacons, and a special IR receiver tuned to the carrier frequency of those beacons.
When active, the beacon-enabled mode provides a real-time communication to the supported application by adopting a guaranteed time slot (GTS) mechanism.
In both modes, a vehicle can estimate the SNR by receiving a probe response (in active mode) or beacon frames (in passive mode).
At the beginning of each active period, a beacon message is sent from the access point to each wireless station in order to notify them of these buffered packets.
