Patent ID: 8498258
Filing Date: 2013-07-30
Classification: H04W

Abstract:
1. A method comprising: receiving, by a first femto base station via a femto base station air interface, at least one neighbor preamble from at least one neighbor femto base station; sending, by the first femto base station to a macro base station via a guided Internet connection, an interference report, the interference report being based at least in part on the at least one neighbor preamble received from the at least one neighbor femto base station; receiving, by the first femto base station from the macro base station via the guided Internet connection, a resource allocation message; and sending, by the first femto base station via the femto base station air interface, a first femto base station preamble, the first femto base station preamble being sent at a time determined at least in part by the resource allocation message; wherein the sending includes sending, by the first femto base station via the femto base station air interface, the first femto base station preamble, the first femto base station preamble being sent at an offset time after a macro base station preamble sent by the macro base station via a macro base station air interface, the offset time being determined at least in part by the resource allocation message.