4G Archives - Edwin Hernandez, PhD

LTE X2 Handover

August 25, 2019August 25, 2019 by wincho

wincho

X2 Handover: How does it work? First and foremost, LTE and 5G both share an ALL-IP Architecture. In the past, in UMTS systems or even older systems, mobility consisted in several layers of IuB interfaces from the RNC to the NodeBs. It is not then an ALL-IP network as expected. …

Recent Developments on 5G NR and Handover

January 28, 2019January 28, 2019 by wincho

wincho

We have found several carries like Verizon, AT&T, and others around the world moving towards a 5G NR and a full 5G system. In this video, Verizon says "it made history" with the first 5G NR Handover powered by NOKIA. https://www.youtube.com/watch?v=iY70u6nNWVE The test conducted by Verizon shows how, two 5G…

5G Handover

August 19, 2018August 19, 2018 by wincho

wincho

5G has come close to standardization with many news from Verizon and T-Mobile regarding deployments and acquisitions specially with NOKIA. NOKIA inks deal with T-Mobile for $3.5B (Press Release)Verizon and Nokia competete 5G NR Mobility Call (Press Release) 4G LTE In the 4G LTE System, we would have an…

LTE Filter Coefficients in Wireless Communication Systems

July 27, 2017 by wincho

wincho

LTE Filter Coefficients LTE uses a linear filter to perform using a set of coefficients like in Equation 1 presented in this paper. The LTE University.com quotes the following “Once the UE is configured to do measurements, the UE starts measuring reference signals from the serving cell and any…