System Information Block Lte

Sib is transmitted by the enodeb using pdcch and pdsch. Sib does changes in some cases. There are two parts in si static part and dynamic part.

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System information block 2 sib2 in lte random access channel rach related parameters idle mode paging configurations uplink physical control channel pucch and shared channel pusch configurations uplink power control and sounding reference signal configurations uplink carrier frequency.

System information block lte. Lte system information blocks mib sib 1 2 3 4 5 6 7 8 9 10 11. Sib system information block as the functionalities of lte evolves and start interplay with other radio technologies e g wlan v2x nr etc the list of sib is getting longer and longer. The mib carries the most important information that is needed for a ue to acquire other information from the cell. System information block does not changes as any other rrc messages but it is not stay all the time like the print on a stone.

3gpp has been working on three different iot standards viz. Sib system information block is one important message that the ue will be looking to decode from the enodeb s broadcast. System information blocks are transmitted using bcch mapped on dl sch which in turn mapped on pdsch. This logical channel information is further carried over transport channel bch or carried by dl sch.

We first started with around 12 sibs and now as of jan 2020. It covers functions and contents of mib nb sib1 nb sib2 nb sib3 nb sib4 nb sib5 nb sib14 nb and sib16 nb. Mib or master information block is a very important message or information that is broadcasted by the lte enodeb irrespective of any users presence. This page describes mib master information block and sibs system information blocks in lte nb or nb iot.

Lte m ec gsm and nb lte. When the sibs are changes there should be some mechanism by which ue can be informed or can detect the changes and update the changed contents. The mib is first among the other system information blocks or sib which are also broadcasted by the enodeb. The system information in lte is of 2 kinds master information block mib system information blocks sib the mib is the first thing a ue looks for after it completes downlink synchronization.

General importance of mib and sib 1 for lte in pictorial format ue starts by reading the mib and this provides sufficient information to read sib 1. Nb narrowband iot is. The system information is very essential and the same is broadcasted by lte enb over logical channel bcch. System information is broadcast using a master information block mib and a series of system information blocks sib.

How is sib transmitted.