Section: – PTRS-DownlinkConfig
Content: The IE PTRS-DownlinkConfig is used to configure downlink phase tracking reference signals (PTRS) (see TS 38.214[ NR; Physical layer procedures for data ]  [19] clause 5.1.6.3) PTRS-DownlinkConfig information element -- ASN1START -- TAG-PTRS-DOWNLINKCONFIG-START PTRS-DownlinkConfig ::= SEQUENCE { frequencyDensity SEQUENCE (SIZE (2)) OF INTEGER (1..276) OPTIONAL, -- Need S timeDensity SEQUENCE (SIZE (3)) OF INTEGER (0..29) OPTIONAL, -- Need S epre-Ratio INTEGER (0..3) OPTIONAL, -- Need S resourceElementOffset ENUMERATED { offset01, offset10, offset11 } OPTIONAL, -- Need S ..., [[ maxNrofPorts-r16 ENUMERATED {n1, n2} OPTIONAL -- Need R ]] } -- TAG-PTRS-DOWNLINKCONFIG-STOP -- ASN1STOP