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LTE-Advanced Design & Test Challenges - Carrier Aggregation

Webcast - recorded | Where & When


Achieving the IMT-Advanced 4G target peak data rates of 1Gbps in the downlink and 500 Mbps in the uplink requires wider channel bandwidths than the maximum 20 MHz bandwidth that is specified in LTE release 8. In order to achieve those target peak data rates, LTE-Advanced extends LTE release 8 with support for carrier aggregation where two or more component carriers (CCs) are aggregated in order to support wider transmission bandwidths of up to 100 MHz. For most operators, however, 100 MHz contiguous bandwidth is hard to find in the available spectrum resources and, therefore, the ITU has allowed the use of non-contiguous carrier aggregation. In this case, the CCs can be non-contiguous in the same spectrum band (Intra-band) or non-contiguous in different spectrum bands (inter-band).

This webcast provides an overview of carrier aggregation along with some of the associated design and test challenges from the physical layer perspective for both evolved Node B (eNB) and user equipment (UE) followed by how to address those challenges using Keysight’s signal creation and analysis solutions.


  • Anyone involved in the physical layer implementation of LTE-Advanced base stations, user equipments, chipsets, power amplifiers etc..
  • Anyone interested in learning about the carrier aggregation aspect of LTE-Advanced


Martha Zemede, Application Expert, Agilent Technologies

Martha works in the Microwave and Communications Division of Agilent Technologies, as an applications expert for 3GPP LTE /LTE-Advanced Signal Analysis solutions. She graduated from San Jose State University in 2000 with a Bachelors Degree in Electrical Engineering and has taken postgraduate studies in wireless communications at Stanford University. In the last 11 years with Keysight, Martha has worked in supporting the cellular communication technologies in Keysight’s signal analyzers as well as product marketing positions. She has also developed and led training courses and workshops on cellular wireless technologies for thousands of customers worldwide

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Training & Event Materials

LTE-Advanced Design & Test Challenges - Carrier Aggregation Webcast Slides 
Slides from the August 23, 2012 webcast

Seminar Materials 2012-08-23