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LTE Network Fundamentals

  LTE Network Fundamentals: Essential Questions and Answers :- Q.1 What is possible range of PCI? ->0-503, PSS(0,1,2) and SSS(0-167) Q.2 What are the Physical Downlink Signals? ->Reference signal and synchronization signals - PSS and SSS Q.3 Difference between RSRP & RSRQ? ->RSRP – avg power across all received RS symbols in measurement bandwidth ->RSRQ-NxRSRP/RSSI ->N- no of RBs of eutra rssi measurement bandwidth Q.4 Repetition period of MIB? ->40ms Q.5 What is modulation scheme used for MIB? ->QPSK Q.6 Which channel carries user data in DL? (Basic) ->PDSCH Q.7 How many OFDM symbols are used for PDCCH? ->1, 2, or 3 as indicated by PCFICH Q.8 Which Physical DL channel carries the Paging channel? ->PDSCH Q.9 S1 Interface ->Enode B - MME - S1C and Enode B - SGW - S1U Q.10 Function of PHICH ->HARQ indication Q.11 Modulation scheme in PHICH? ->BPSK Q.12 What All BW supported in LTE? ->1.4MHz, 3MHz, 5MHz, 10MHz, 15MHz, 20MHz Q.13 What is X2? -&
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NOKIA BTS CONFIGURATION RESET MANUALLY BUTTON

 

FSMF & AIRSCALE  ASIA,ASIB,ASIK

Carry out a configuration reset of the Extension FSMF.

To enable the Extension FSMF to operate in this role it will need a configuration reset.

The configuration reset deletes any existing configuration data and withdraws the Master System Module role. 

The process is performed with the Configuration Reset button located on the underside of the EIF1 port of the FSMF:

v  Reset button is located next to the EIF1 interface. Press reset button for 5 seconds to clear configuration data. Manual reset is required afterwards for changes to take effect.

                           


AIRSCALE BTS

Air Scale common plug-in units reset and service buttons

The buttons reset the BTS, the configuration, or restart the BTS in a fail safe mode

You can use the reset and service buttons on Nokia Air Scale common plug-in units in

Case the remote connection is not possible

 




The buttons reset the BTS, the configuration, or restart the BTS in a fail safe



ASIA unit have front-accessible service and reset button available. Pressing the reset button for 5 seconds will result in clearing configuration data. Manual reset is required afterwards for changes to take effect.


 


ASIB unit have front-accessible service and reset button available. Pressing the reset button for 5 seconds will result in clearing configuration data. Manual reset is required afterwards for changes to take effect



ASIK unit have front-accessible service and reset button available. Pressing the reset button for 5 seconds will result in clearing configuration data. Manual reset is required afterwards for changes to take effect.






 

 

 

 

 

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