When dogs wearing Snif's tags come within range of each other, the tags can swap ID codes.
Then, when Linquet and your phone move out of range of each other, both devices emit a disquieting ring.
At times, Russian and rebel forces were within shouting range of each other, just dozens of yards apart, according to Russian television reports.
Whenever two users with similar likes and dislikes wander within Bluetooth range of each other, their handsets swap contact details - and photos.
When two seemingly compatible people come into range of each other, the dating service will alert them by phone, enabling them to arrange a rendezvous.
"You have fifteen different numbers, and you know it's good when they're in a twelve-to-fifteen-per-cent range of each other.
Male song presumably to attract females, defend territories, and also to maintain within-pair contact when out of visual range of each other.
In the researchers' scheme, when two cars draw within range of each other, only one of them conveys data to the other; the selection of transmitter and receiver is random.
This is because of (i) its heavy use of multicast transmission, and (ii) being originally not designed for IEEE 802.15.4 non-transitive wireless environments in which all nodes are not necessarily within range of each other.
The first technique is designed for detection of malicious nodes in a neighborhood of nodes in which each pair of nodes in the neighborhood are within radio range of each other.
In ad hoc wireless networks, even if two nodes are outside the wireless transmission range of each other, they may still be able to communicate in multiple hops using other intermediate nodes.
