name: scf2
full_form: Scaling Factor 2
context: The IE RACH-ConfigGeneric is used to specify the random-access parameters both for regular random access as well as for beam failure recovery. RACH-ConfigGeneric information element -- ASN1START -- TAG-RACH-CONFIGGENERIC-START RACH-ConfigGeneric ::= SEQUENCE { prach-ConfigurationIndex INTEGER (0..255), msg1-FDM ENUMERATED {one, two, four, eight}, msg1-FrequencyStart INTEGER (0..maxNrofPhysicalResourceBlocks-1), zeroCorrelationZoneConfig INTEGER(0..15), preambleReceivedTargetPower INTEGER (-202..-60), preambleTransMax ENUMERATED {n3, n4, n5, n6, n7, n8, n10, n20, n50, n100, n200}, powerRampingStep ENUMERATED {dB0, dB2, dB4, dB6}, ra-ResponseWindow ENUMERATED {sl1, sl2, sl4, sl8, sl10, sl20, sl40, sl80}, ..., [[ prach-ConfigurationPeriodScaling-IAB-r16 ENUMERATED {scf1,scf2,scf4,scf8,scf16,scf32,scf64} OPTIONAL, -- Need R prach-ConfigurationFrameOffset-IAB-r16 INTEGER (0..63) OPTIONAL, -- Need R prach-ConfigurationSOffset-IAB-r16 INTEGER (0..39) OPTIONAL, -- Need R ra-ResponseWindow-v1610 ENUMERATED { sl60, sl160} OPTIONAL, -- Need R prach-ConfigurationIndex-v1610 INTEGER (256..262) OPTIONAL -- Need R ]], [[ ra-ResponseWindow-v1700 ENUMERATED {sl240, sl320, sl640, sl960, sl1280, sl1920, sl2560} OPTIONAL -- Need R ]] } -- TAG-RACH-CONFIGGENERIC-STOP -- ASN1STOP
description: Scaling Factor 2 (scf2) is a parameter used in the context of random-access parameters for beam failure recovery and regular random access. It is part of the RACH-ConfigGeneric information element, which specifies various settings for the random access channel (RACH). The scf2 value is an option within the prach-ConfigurationPeriodScaling-IAB-r16 enumerated type, indicating a specific scaling factor for the PRACH configuration period.
explanation: scf2 is classified as a Parameter because it represents a configurable value that affects the behavior of the random access channel in beam failure recovery and regular random access scenarios. Its inclusion within the RACH-ConfigGeneric information element highlights its role in fine-tuning the performance of the PRACH, aligning with 3GPP's focus on optimizing network operations.
section_title: â RACH-ConfigGeneric
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