Patent ID: 8504109
Filing Date: 2013-08-06
Classification: H01Q,H04W

Abstract:
1. An antenna system for a Code Division Multiple Access (CDMA) base station comprising: a plurality of antennas defining a respective plurality of fixed beams which together cover a sector and connectable to a beam-forming matrix; and a plurality of transmitters connectable to the beam-forming matrix to drive the plurality of antennas with respective CDMA signals, each CDMA signal including traffic channels unique to the respective transmitter and overhead channels common to all transmitters in the plurality of transmitters, the transmitters being arranged to transmit the CDMA signals over respective transmit frequencies that are offset from one another, wherein the signals are any CDMA communications standard format that employs a redundant forward channel frame structure having a frame rate, wherein the offset is a multiple other than that of the frame rate.