ation has parameters like maximum transmit power that is configured by the network (pre-configured for out of coverage case). The UE needs now to transmit using ODFMA which in Release 8 LTE was not used in uplink due high Peak-To-Average (PAR) requirements. Use of OFDMA in the UE transmitter suggests respectively for the UE to use smaller transmission for sidelink operation than for normal uplink operation. The work for D2D Release 12 details is to be completed in March 2015 and then further work in Release 13 enhancements is to start, as covered in [11]. 3.7 Single Cell Point to Multipoint Transmission For Release 13 study was started on single cell point to multipoint operation. This kind of operation, as illustrated in Figure 3.13, could be envisaged for use cases such as public safety (for group call) and also approaches like provided traffic information for cars in a given area. ((II) eNodeB Set of UEs receiving the same content Figure 3.13 Single cell point to multipoint principle LTE Small Cell Optimization Table 3.4 New Release 12 UE categories UE category Class 11 Class 12 Class 13 Class 14 Class 15 Peak rate DL/UL (Mbps) 600/50 600/100 390/50 390/100 3900/150 RF bandwidth (MHz) Modulation DL 64QAM 64QAM 256QAM 256QAM 256QAM Modulation UL 16QAM 16QAM 16QAM 16QAM 64QAM Rx diversity MIMO DL 2x2 (CA) 2x2 (CA) 2x2 (CA) 2x2 (CA) or 4x4 or 4x4 or 4x4 or 4x4 MIMO UL The study described in Reference 12 is scheduled to be finalized by end of 2015. In some cases, eMBMS could be used for the same purpose when the area of providing is large and cells are synchronized SO Single Frequency Network (SFN) can be formed. This kind of operation has been suggested also for communications between vehicles and road-side infrastructures (V2X) or between different vehicles (V2V), but 3GPP has not yet concluded whether any specific work will be done on for this with LTE or not in Release 13. 3.8 Release 12 UE Capabilities As part of Release 12 finalization, several additional UE categories were introduced, as covered in Table 3.