ypically different for rural, suburban, urban and dense urban environments. In practice, the ZeroCorrelationZoneConfig parameter is a pointer to a table that provides a set of available cyclic shifts in the cell, where different tables indicated by this parameter have different distances between the cyclic shifts, thus providing larger or smaller zones or tim- ing errors for which orthogonality or zero correlation can be maintained. Chapter 4 Table 4.31: Random-access configurations for TDD mode in FR1 [6]. PRACH Preamble nSFN mod X = =y Subframe Number Starting Number PRACH,slot duration Configuration Format Symbol Number of PRACH Index PRACH Time-Domain Duration Slots PRACH Within a Occasions Subframe Within a RACH Slot 3,4,8,9 0,1,2,3,4,5,6,7,8,9 1,3,5,7,9 The PRACH preamble sequence is mapped to physical resources such that ak = BPRACHYu,v(k); k=0,1, LRA - 1 where BPRACH is a transmit power adjustment (p,RA) scaling factor, p is the antenna port from which the PRACH is transmitted. The PRACH preambles can only be transmitted in the time resources that are signaled via RRC parame- ter prach-ConfigurationIndex and further depend on frequency range FR1 or FR2 where the system is deployed and the spectrum type. The PRACH preambles can only be transmitted in the frequency resources specified by parameter msgl-FrequencyStart. The PRACH fre- quency resources NRA E {0, 1, M - 1}, in which the parameter M is derived from the RRC parameter msgl-FDM, are numbered in increasing order within the initial active uplink bandwidth part during initial access, starting from the lowest frequency. For the purpose of slot numbering, it is assumed that subcarrier spacing is 15 kHz for FR1 and 60 kHz for FR2. Table 4.31 provides random-access configurations for TDD mode in FR1 [6,8]. The transmission power for PRACH on the kth uplink BWP of the 1th carrier based on a certain SS/PBCH block determination for the mth serving cell in transmission period i is determined by the UE as PRACH(i) = min [PcMAX(i), plm PRACH-target + PLklm] (dB