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Rabu, 27 Juli 2016

Events and SIB

Pada umumnya event-event yang terjadi pada mobile communication dijabarkan pada tabel berikut :

Event Type
Event A1Serving becomes better than threshold
Event A2Serving becomes worse than threshold
Event A3Neighbour becomes offset better than serving
Event A4Neighbour becomes better than threshold
Event A5Serving becomes worse than threshold1 and neighbour becomes better than threshold2
Event A6Neighbour become offset better than S Cell (This event is introduced in Release 10 for CA)
Event B1Inter RAT neighbour becomes better than threshold
Event B2Serving becomes worse than threshold1 and inter RAT neighbour becomes better than threshold2
Event C1CSI-RS resource becomes better than threshold
Event C2CSI-RS resource becomes offset better than reference CSI-RS resource

Kemudian kita sering mendengar tentang System Information Block atau SIB ,

berikut kategori SIB yang ada pada sistem telekomunikasi mobile.

SIB(System Information Block) LTE

SIB 1 
    i) Cell Access Related Information - PLMN Identity List, PLMN Identity, TA Code, Cell identity & Cell Status
    ii) Cell Selection Information - Minimum Receiver Level
    iii) Scheduling Information - SI message type & Periodicity, SIB mapping Info, SI Window length
    i) Access Barring Information - Access Probability factor, Access Class Baring List, Access Class Baring Time
    ii) Semi static Common Channel Configuration - Random Access Parameter, PRACH Configuration
    iii) UL frequency Information - UL EARFCN, UL Bandwidth, additional emmission
    iv) MBSFN Configuration
    i) Information/Parameters for intra-frequency cell reselections
SIB 4 
    i) Information on intra-frequency neighboring cells
SIB 5 
    i) Information on inter-frequency neighboring cells
SIB 6 
    i) Information for reselection to UMTS (UTRAN) cells  
SIB 7 
    i) Information for reselection to GSM (GERAN) cells  
SIB 8 
    i) Information for reselection to CDMA2000 systems
SIB 9 
    i) Home eNodeB name – for future LTE femtocell applications
SIB 10 / SIB 11
    i)  ETWS (Earthquake and Tsunami Warning System) information
SIB 12 
    i) Commercial Mobile Alerting System (CMAS) information.
SIB 13 
    i) MBSFN (eMBMS) Area Configuration
    ii) MCCH Configuration
SIB 14 
    i) Extended Access Barring
SIB 15 
    i) MBMS SAI (Service Area Identities) Configuration
SIB 16 
    i) GPS Related Informatin
SIB 17

i) WLAN Configuration for LTE-WLAN Interworking

Referensi lainnya untuk LTE SIB :

LTE system information blocksDescription
MIBCarries physical layer information of LTE cell which in turn help receive further SIs, i.e. system bandwidth
SIB1Contains information regarding whether or not UE is allowed to access the LTE cell. It also defines the scheduling of the other SIBs. carries cell ID, MCC, MNC, TAC, SIB mapping.
SIB2Carries common channel as well as shared channel information. It also carries RRC, uplink power control, preamble power ramping, uplink Cyclic Prefix Length, sub-frame hopping, uplink EARFCN
SIB3carries cell re-selection information as well as Intra frequency cell re-selection information
SIB4carries Intra Frequency Neighbors(on same frequency); carries serving cell and neighbor cell frequencies required for cell reselection as well handover between same RAT base stations(GSM BTS1 to GSM BTS2) and different RAT base stations(GSM to WCDMA or GSM to LTE or between WCDMA to LTE etc.) . Covers E-UTRA and other RATs as mentioned
SIB5Carries Inter Frequency Neighbors(on different frequency); carries E-UTRA LTE frequencies, other neighbor cell frequencies from other RATs. The purpose is cell reselection and handover.
SIB6carries WCDMA neighbors information i.e. carries serving UTRA and neighbor cell frequencies useful for cell re-selection
SIB7carries GSM neighbours information i.e. Carries GERAN frequencies as well as GERAN neighbor cell frequencies. It is used for cell re-selection as well as handover purpose.
SIB8carries CDMA-2000 EVDO frequencies, CDMA-2000 neighbor cell frequencies.
SIB9carries HNBID (Home eNodeB Identifier)
SIB10carries ETWS prim. notification
SIB11carries ETWS sec. notification

Sedangkan ini untuk 3Gnya :

System information block in UMTS typeFunction(Information carried)
SIB1NAS information,timer related information mainly used in IDLE/CONNECTED Mode
SIB2available URAs(max. 8 URAs in a cell)
SIB3cell selection/reselection parameters used by UE in IDLE mode, if SIB4 is not present then it can also be used by UEs(in CONNECTED MODE).
SIB4cell selection/reselection parameters used by UE in CONNECTED mode,if not present SIB3 to be used by UE
SIB5Carry info. on common physical channels(PICH/AICH/P-CCPCH/PRACH/SCCPCH) for UE(in IDLE mode), in the absence of SIB6 it is also used for UE in CONNECTED state.
SIB6Carry info. on common physical channels(PICH/AICH/P-CCPCH/PRACH/SCCPCH) for UE(in CONNECTED mode), in the absence of SIB6, UE need to use SIB5
SIB7carry fast changing cell parameter informations(uplink interference levels,dynamic persistence value)
SIB8carry static information for CPCH (only for FDD use)
SIB9carry dynamic information for CPCH (only for FDD use)
SIB10DRAC procedure related information(sent over FACH channel)
SIB11carry measurement control information(UE in IDLE mode), If SIB12 is absent it is also used for UE in CONNECTED mode.
SIB12carry measurement control information(UE in CONNECTED mode), If SIB12 is absent, SIB11 can be used by UE
SIB13-SIB13.4carry ANSI-41 parameter related informations used for ANSI-41 core networks.
SIB14carry outer loop power control information(TDD mode use only),used over dedicated and common physical channels.
SIB15-SIB15.4carry information used for UE positioning methods(e.g. GPS/OTDOA)
SIB16carry information related to channel configuration used for handover
SIB17carry information on shared common channels(to be used in CONNECTED mode,TDD use)
SIB18carry PLMN identities of neighbouring cells(used by UE in IDLE/CONNECTED MODE)

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