Sunday, January 14, 2018

VOLTE VOIP IMS SIP CSFB

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Often people are confused between VOLTE ,VOIP, IMS , SIP and CSFB. To be clear between all this item lets explain them and understand one ...
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Monday, January 8, 2018

SRVCC Failure

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What happens when SRVCC fails at the NW side? How UE is notified about it and the action it should take? Notification Procedure (ESM Pro...
Thursday, December 28, 2017

Cell Acquisition - Camping On LTE

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Now to initiate a registration UE do need to aquire MIB and SIB1 and SIB2, which in technical term we say as Initial Acquisition - in order...
Monday, May 30, 2016

[LTE] [NAS] Attach Attempt Counter - Reset

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An attach attempt counter is used to limit the number of subsequently rejected attach attempts. The attach attempt counter shall be increme...
Saturday, May 28, 2016

Attach Procedure 23.401 V 13.6.1

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Local IP Access (LIPA) function

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The LIPA function enables an IP capable UE connected via a HeNB to access other IP capable entities in the same residential/enterprise IP n...

Selected IP Traffic Offload (SIPTO)

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The SIPTO function enables an operator to offload certain types of traffic at a network node close to that UE's point of attachment to ...

LTE Channel Mapping Along with Messages

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Uplink Message 1....
Sunday, May 22, 2016

Measurement Report - Event

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Spec: 36.331 5.5.4 Measurement Report Events in LTE 1. Measurement objects: 2. Reporting configurations: 3. Measurement identities: ...
Sunday, May 8, 2016

SINR CQI RSRP RSSI RSRQ

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SINR - Signal to Interference plus Noise Ratio Signal to Interference plus Noise Ratio (SINR) is measured by UE on Resource Block (RB) ba...
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