LTE QA

This is my technical note for LTE study.

Showing posts with label LTE. Show all posts
Showing posts with label LTE. Show all posts
Friday, February 16, 2018

RACH Procedure

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RACH Procedure Flow 1. RRC Layer sends Access Req for RRC Connection Request/RRC Coonection Re-establishment Request to MAC and starts T3...
1 comment:
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 ...
3 comments:
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...
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...
3 comments:
Sunday, February 14, 2016

RB RE Speed

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Resource Element: Covered by 1 sub carrier and one symbol period i.e 1 Symbol Resource Block: Covered by 12 Subcarriers and 6 or 7 symbol...
Wednesday, November 25, 2015

Frame Structure in LTE

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FDD Down-link Frame Structure in LTE Source: http://www.sharetechnote.com/image/36_211_Fig4_1_1_FDD_DL_FrameStructure.PNG 1 Fr...
Monday, November 23, 2015

LTE Procedure's

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All the Procedure's for an LTE UE in CS and PS mode along with multi RAB combination are as below. Spec: 34.108 7.3.2.3....
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