 amount of traffic, Distributed Transmission is used, which relies on the concept of virtual resource blocks. The data for one virtual resource block is then mapped to several 3GPP Evolved Packet System (EPS) noncontiguous PRBs in order to distribute the transmission over a larger effective bandwidth. A mixture of localized and distributed transmission to different users is possible within a single TTI on different PRBs. 3.9.2.1.7 PDCCH Adaptation The PDCCH carries the dynamic scheduling grants for both downlink and uplink. The information carried on the PDCCH includes the indication of the user's frequency domain allocation, the used modulation and coding scheme, and SO on. The transmission of the PDCCH, is executed with fixed modulation (QPSK) combined with variable coding and dynamic transmit power control to ensure sufficient reliability. 3.9.2.1.8 CQI Manager The channel quality indicator (CQI) manager processes the received CQI reports from active users in the cell. The received CQI reports are used by the base station for scheduling decisions and link adaptation purposes. 3.9.2.1.9 Connection Mobility Control (CMC) Connection mobility control (CMC) is concerned with the management of radio resources in connection with idle or connected mode mobility. In idle mode, the cell reselection algorithms are controlled by setting of parameters (thresholds and hysteresis values) that define the best cell and/or determine when the UE should select a new cell. Also, E-UTRAN broadcasts parameters that configure the UE measurement and reporting procedures. In connected mode, the mobility of radio connections has to be supported. Handover decisions may be based on UE and eNB measurements. In addition, handover decisions may take other inputs, such as neighbor cell load, traffic distribution, transport and hardware resources and operator defined policies into account [14]. 3.9.2.1.10 Inter-cell Interference Coordination (ICIC) Inter-cell interference coordination has the task to manage radio resources (notably the radio r