FIELD: information technology.
SUBSTANCE: invention can be used in a mobile operating environment to distribute a dynamic mobile coupon (DMC). The wireless communication method comprises steps of receiving, in a first device, a first signal from a second device through a local wireless connection; transmitting a second signal from the first device to the second device through the local wireless connection, the second signal providing information in response to the first signal; and access to a DMC is obtained based, at least in part, on the distance between the first device and the second device, wherein the distance is determined, at least in part, from the first signal and/or information provided by the second signal.
EFFECT: high security for issuing a DMC and counteracting device spoofing.
31 cl, 14 dwg
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