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IP and Mobile Trends and Education

 

LTE-U

01.2019

LTE in Unlicensed Spectrum

The “history” of 3GPP system “entering” the unlicensed spectrum regime seems to happened already a long time ago. Tight LTE interworking with WiFi is one way for the MNOs to offload traffic. The other one, discussed within this blogpost, is based on a specialized design of LTE system to be able to cope with ISM/license exempt bands’ special requirements e.g., fair coexistence with other users of this spectrum (e.g. Legacy WiFi).

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10.2017

What are the practical aspects of LTE, LTE-Advanced Pro and 5G? – A new book.

This book guides you through the LTE, LTE-Advanced Pro and 5G from the perspective of practical aspects of air interface, RAN, Core Network and end-to-end data transfer. The practical approach is reflected by the angle of system design, link budget process, network planning, parameter configurations and optimizations together with the required tradeoffs. We also evaluate the different features’ impact on the overall system as it evolves from LTE to LTE-Advanced and then going further to LTE-Advanced Pro and 5G.

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02.2017

LTE-Advanced Pro and Unlicensed Spectrum

LTE operation in unlicensed spectrum is not limited to its aggregation with WiFi (like with LWA, LWIP and RCLWI)¹. Another approach to utilize the unlicensed spectrum combined with the MNO-controlled LTE networks is based on a specialized version of LTE system designed to cope with the unlicensed spectrum’s requirements. This is referred to as Licensed […]

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