In the cellular network, RAN provides wide-area wireless connectivity to mobile devices. Towards this end, it conducts two fundamental tasks: It converts IP packets to Physical Layer packets suitable for […]
What is RAN Disaggregation?
Does 5G Icon on Your Phone mean Real 5G?
Some friends asked me, Should we have a 5G good data rate when seeing 5G Icon on our phone? Mmmm… My answer should be Yes, However it’s the not right […]
5G Voice Service Solutions
In June 2018, as 3GPP announced that the standalone (SA) standards have been frozen, the standardization of 5G Core (5GC) is complete. 5G network commercialization has begun and the world-wide […]
5G New Radio (NR) Release 15 Technologies
5G New Radio (NR) 3GPP is defining 5G NR in Release 15, with an initial release for a non-standalone operation scheduled for March 2018 and a full release for […]
5G Commercial Network in Gulf Countries
The Gulf Countries (UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, and Oman) are the front runner in the 5G Race. They started to think of 5G as early as Mid-2019. Use […]
INTER-gNB Xn handover procedure in 5G NR
The core of mobility management in 5G NR is very similar to the one in 4G LTE. As specified by 3GPP Rel. 15, mobility in mobile networks is divided into […]
5G Spectrum Bands to Address New Use Cases
The ITU-R IMT-2020 (5G) Vision includes three usage scenarios: eMBB, mMTC, and uRLLC. It also specifies the key capabilities of IMT-2020 which represent great improvements in comparison with the previous […]
What is the difference between 5G NSA Options 3/3a/3x?
When you are reading 3GPP TS 37.340 for 5G NR Release 15, you’ll find on Page 7, section 4 the definition of “Multi-RAT Dual Connectivity” or MR-DC and the definition […]
O-RAN Architecture Overview
O-RAN SC architecture follows O-RAN Alliance defined architecture. In the O-RAN architecture, the radio side includes Near-RT RIC, O-CU-CP, O-CU-UP, O-DU, and O-RU. The management side includes Service Management and […]
The “Cherry” Release of O-RAN Open Software
The “Cherry” Release of O-RAN Open Software • Cherry features significant advancements in the end-to-end integration of O-RAN Architecture components. • The software now contains new functions aligned with the […]
BWP Configuration & Allocation
Bandwidth Parts & Bandwidth Adaptation Basic Concepts As per the definition in TS38.300, with Bandwidth Adaptation (BA), the receive and transmit bandwidth of a UE need not be as large […]