相关配置如下（还有的地方不知道如何修改，目前改成202后，UE端显示： RAR reception failed ）： #rach-ConfigGeneric prach_ConfigurationIndex = 202; #prach_msg1_FDM #0 = one, 1=two, 2=four, 3=eight prach_msg1_FDM = 0; prach_msg1_FrequencyStart = 0; zeroCorrelationZoneConfig = 13; preambleReceivedTargetPower = -76; #preamblTransMax (0...10) = (3,4,5,6,7,8,10,20,50,100,200) preambleTransMax = 6; #powerRampingStep # 0=dB0,1=dB2,2=dB4,3=dB6 powerRampingStep = 2; #ra_ReponseWindow #1,2,4,8,10,20,40,80 ra_ResponseWindow = 6; #ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR #1=oneeighth,2=onefourth,3=half,4=one,5=two,6=four,7=eight,8=sixteen ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR = 4; #oneHalf (0..15) 4,8,12,16,...60,64 ssb_perRACH_OccasionAndCB_PreamblesPerSSB = 14; #ra_ContentionResolutionTimer #(0..7) 8,16,24,32,40,48,56,64 ra_ContentionResolutionTimer = 7; rsrp_ThresholdSSB = 19; #prach-RootSequenceIndex_PR #1 = 839, 2 = 139 prach_RootSequenceIndex_PR = 2; prach_RootSequenceIndex = 1;