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Category: TDD LTE

4G LTE Important QXDM Log Packets

QXDM is most widely used tool in wireless 4G,5G technology to capture Qualcomm based Mobile signalling and data details logs for debugging purpose. Whether it is Field testing or Lab […]

August 29, 2020August 29, 2020 Author RRC Signalling, Signaling, TDD LTE, Wireless Testing

What parameters impact the EVM of transmitter chain ?

The error vector magnitude or EVM is a measure used to quantify the performance of a digital radio transmitter or receiver. A signal sent by an ideal transmitter or received by a receiver would have all constellation […]

June 1, 2019June 1, 2019 Author 5G, LTE, New Radio, NR, RF Basics, TDD LTE, Tech Fundas, Test Report, Wi-Fi

TTI Bundling for better HARQ and Latency

TTI bundling enables a data block to be transmitted in consecutive TTIs, which are packed together and treated as the same resource during the scheduling process. TTI bundling makes use […]

May 15, 2019July 21, 2020 Author Future Network Optimization, Interviews, LTE, RF Basics, TDD LTE, Tech Fundas, VoLTE

Multi Carrier Cell Re-selection in LTE

Cell Re selection is a procedure used to change the cell after the UE is camped on a cell and stays in the Idle mode.This procedure is used to let […]

March 10, 2019July 21, 2020 Author Future Network Optimization, Interviews, LTE, RF Optimisation, TDD LTE, Tech Fundas

Citizens Broadband  Radio Service Device(CBSD), Its Types and OEMs

Citizens Broadband  Radio Service Device(CBSD): As per FCC, an eNodeB which is capable to support CBRS band is referred as Citizens Broadband Radio Service Device. LTE band B42 and B43 […]

September 17, 2018July 23, 2020 Author 5G, Future Network Optimization, Interviews, IoT, LTE, TDD LTE, Tech Fundas

5G/4G ARFCN Calculator Android App

Few weeks back, we wrote a post about 5G New Radio ARFCN calculator. Below is the link for the same. 5G Absolute Radio Frequency Channel Number (NR-ARFCN) In this post […]

July 11, 2018July 10, 2020 Author 5G, Adroid, Android, New Radio, TDD LTE, Tech Fundas

Explain LTE Frame Structure both for FDD and TDD

Time duration for one frame (One radio frame, One system frame) is 10 ms. This means that we have 100 radio frame per second. Let’s look at the frame structure: […]

April 18, 2018July 21, 2020 Author LTE, TDD LTE

How Conventional AGC (Automatic Gain Control) works in receiver chain and its important parameters.

In wireless communication systems such as LTE, the received signal has an unpredictable signal power and varies over a wide dynamic range caused by multi-path fading channel and unwanted signals […]

February 1, 2018May 13, 2018 Author 5G, IoT, LTE, New Radio, RF Basics, TDD LTE, Tech Fundas

LTE Handover Latency Calculation (Access Node)

In a cellular system, handover can be defined as a procedure to transfer a User Equipment (UE) and its context from a source cell to a target cell when source cell […]

January 21, 2018July 21, 2020 Author LTE, TDD LTE, Tech Fundas

Feature Group Indicators (FGI bits) in LTE – Rel. 8, Rel. 9 and Rel. 10

Feature Group Indicators (FGI bits) Feature Group Indicator (FGI) is a special Information Element (IE) within UE Capability Information message. The parameters other than FGI in UE Capability Information message […]

January 18, 2018July 21, 2020 Author Future Network Optimization, LTE, TDD LTE, Tech Fundas, Voice Services, VoLTE

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