An effective RNTI allocation scheme for user equipment in LTE systems

Long Term Evolution (LTE) is a technology, based on Third Generation partnership project (3GPP) which provides high data rates in the order of several hundreds of Mbps for data transmission. In order to achieve high data rates with good amount of spectral efficiency, it is required to allocate resources optimally. Physical Downlink Control Channel (PDCCH) is used to provide control information to the attached User equipment (UE). The resource elements to represent PDCCH are limited hence it is required to effectively allocate resources within this channel. The allocation of PDCCH resources for each UE is based on quantity of information and RB location depends on UE RNTI. This paper mainly focuses on effective method to allocate RNTI for UEs in order to minimize the Control Channel Element (CCE) collision. The proposed method of RNTI allocation has been compared with other existing methods using simulation.