Patent ID: 8903454
Filing Date: 2014-12-02
Classification: H01Q,H04L,H04W

Abstract:
1. A radio unit for supporting dual bands, the radio unit comprising: a first antenna array including a plurality of first antenna elements, the plurality of first antenna elements being arranged to provide wireless coverage for user equipments on a first frequency carrier in a first coverage area of a cell site; a second antenna array including a plurality of second antenna elements, the plurality of second antenna elements being arranged to create at least one sector for providing wireless coverage for the user equipments on a second frequency carrier in a second coverage area enveloped by the first coverage area, wherein the first carrier frequency and the second carrier frequency are different frequencies; and a central unit configured to dynamically adjust one of a location of the second coverage area within the first coverage area and a size of the second coverage area, wherein the first antenna array transmits control signals in the first and second coverage areas using the first frequency carrier and the second antenna array transmits data signals using the second frequency carrier for the user equipments in the second coverage area, the second frequency carrier not being configured to transmit control signals.