4G/LTE - BL/CE |
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Paging
Overall Paging mechanism for LTE BL/CE is similar to legacy LTE. So I strongly recommend you to read through the legacy LTE Paging first.
Paging Parameters in SIB2
+-sib2 ::= SEQUENCE [00] +-ac-BarringInfo ::= SEQUENCE OPTIONAL:Omit +-radioResourceConfigCommon ::= SEQUENCE | +-rach-ConfigCommon ::= SEQUENCE | +-bcch-Config ::= SEQUENCE | +-pcch-Config ::= SEQUENCE | | +-defaultPagingCycle ::= ENUMERATED [rf64] | | +-nB ::= ENUMERATED [halfT] | +-prach-Config ::= SEQUENCE | +-pdsch-ConfigCommon ::= SEQUENCE | +-pusch-ConfigCommon ::= SEQUENCE | +-pucch-ConfigCommon ::= SEQUENCE | +-soundingRS-UL-ConfigCommon ::= CHOICE [release] | +-uplinkPowerControlCommon ::= SEQUENCE | +-ul-CyclicPrefixLength ::= ENUMERATED [len1] | +-EXTENSION ::= SEQUENCE [0001] | +-VERSION-BRACKETS1 ::= SEQUENCE OPTIONAL:Omit | +-VERSION-BRACKETS2 ::= SEQUENCE OPTIONAL:Omit | +-VERSION-BRACKETS3 ::= SEQUENCE OPTIONAL:Omit | +-VERSION-BRACKETS4 ::= SEQUENCE [1110111] OPTIONAL:Exist | +-bcch-Config-v1310 ::= SEQUENCE OPTIONAL:Exist | +-pcch-Config-v1310 ::= SEQUENCE [1] OPTIONAL:Exist | | +-paging-narrowBands-r13 ::= INTEGER (1..maxAvailNarrowBands-r13[16]) [1] | | +-mpdcch-NumRepetition-Paging-r13 ::= ENUMERATED [r1] | | +-nB-v1310 ::= ENUMERATED [one64thT] OPTIONAL:Exist | +-freqHoppingParameters-r13 ::= SEQUENCE [000000] OPTIONAL:Exist | +-pdsch-ConfigCommon-v1310 ::= SEQUENCE OPTIONAL:Omit | +-pusch-ConfigCommon-v1310 ::= SEQUENCE [000] OPTIONAL:Exist | +-prach-ConfigCommon-v1310 ::= SEQUENCE [11] OPTIONAL:Exist | +-pucch-ConfigCommon-v1310 ::= SEQUENCE [11100] OPTIONAL:Exist
Paging Occasion(PO), Paging Frame (PF) and Paging Narrow Band(PNB)
PF : SFN mod T= (T div N)*(UE_ID mod N) , N = DRX Cycle / nB , nB = index indicating pcch-Config.nB and pcch-Config-v1310.nB-v1310 {0,1,2,3,4,5,6,7,8,9,10}
PO : i_s = floor(UE_ID/N) mod Ns
PNB = floor(UE_ID/(N*Ns)) mod Nn , Nn = [SIB2] pcch-Config-v1310.paging-narrowBands-r13
UE_ID = IMSI mod 16384
IMSI = Integer value of IMSI String. IMSI string is the digit 0~9 in Decimal. Ex > IMSI = '0123456789' is 123456789 (Dec)
Reference :
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