Islamic Azad University
Wise arrangement of antennas is critical in wireless cellular systems for both reduction of Co-Channel Interference (CCI) and increase the Quality of Service (QoS). In this paper, a novel architecture for antenna arrangement in CDMA wireless cellular systems is presented. In this architecture that the authors called microzone, every cell is divided into three (or more) zones and information transmission in downlink channel is done by an antenna which is placed at the outer region of the related zone. Also, the transmitting signal by the Mobile Station (MS) in uplink channel is received by all antennas of the related cell.