Open RAN 101–RU, DU, CU: Why, what, how, when? (Reader Forum)
WEBJul 8, 2020 — Source: Parallel Wireless. The RAN DU sits between the RU and CU and performs real-time L2 functions, baseband processing. In the O-RAN Alliance working group, the DU is proposed to support multiple layers of RUs. To properly handle the digital signal processing and accelerate network traffic, FPGA can be used.
RCR Wireless News - Intelligence on All Things Wireless
WEBJuan Pedro Tomás - October 1, 2024. An in-depth investigation carried out by the CMA has identified competition concerns related to the planned Vodafone-Three merger U.K. carriers Vodafone and Three reiterated opposition with the country’s Competition and Markets Authority (CMA)’s provisional findings regarding their proposed merger ...
How are operators using 5G Standalone in the real world?
WEBJan 19, 2024 — Dozens of operators around the world have deployed 5G Standalone networks in an effort to capture opportunities that fit into two major buckets: First, 5G Standalone is at a system-level a more efficient way to provide cellular connectivity as compared to 5G Non-standalone; second, a standalone 5G network can be virtually partitioned to deliver ...
Understanding FDD/TDD carrier aggregation for 5G - RCR …
WEBApr 20, 2021 — In general, FDD is considered better for coverage and TDD better for capacity. Mobile operators are looking to carrier aggregation (CA), which allows them to use multiple sub-6 GHz spectrum channels simultaneously, as a method of increasing the bandwidth and speeds of their 5G networks. However, to enhance the performance of 5G networks even ...
LTE Attach Procedure Call Flow-Break the Big Picture into Small …
WEBMay 9, 2014 — Here’s the LTE Attach Procedure Call Flow, broken down into steps, derived by 3GPP. Step 1. The UE initiates the attach procedure by transmitting an attach request to the eNodeB. Step 2. The eNodeB derives the MME from the RRC parameters carrying the old GUMMEI and the indicated Selected Network. Step 3.
5G NR: Massive MIMO and Beamforming – What does it mean
WEBSep 12, 2018 — In the context of LTE/5G, MU-MIMO equals to digital beamforming. Multiple TRX chains, one per each simultaneous MU-MIMO user, are needed in the base station. Digital beamforming (MU-MIMO) is used in LTE Advanced Pro (transmission modes 7,8, and 9) and in 5G NR. Digital beamforming improves the cell capacity as the same PRBs (frequency/time ...
What is Multiple Resource Unit (MRU) in Wi-Fi 7? - RCR Wireless …
WEBDec 8, 2022 — Multiple Resource Unit (MRU) is a new feature in Wi-Fi 7 that builds off another feature first introduced in Wi-Fi 6: Orthogonal Frequency Division Multiple Access, or OFDMA. OFDMA establishes independently modulating subcarriers within frequencies, allowing for simultaneous transmissions to and from …
US Cellular launches 5G mmWave internet service in 10 US cities
WEBApr 29, 2022 — US Cellular expects to expand the new service to additional cities in urban and rural areas of the country. US Cellular, in collaboration with Qualcomm Technologies and Inseego, has launched its 5G mmWave high-speed internet service in parts of 10 U.S. cities. The carrier says that its Home Internet+ solution delivers speeds of up to 300 Mbps ...
What is 5G ENDC? - RCR Wireless News
WEBMay 3, 2022 — ENDC, or E-UTRAN New Radio – Dual Connectivity, is a Non-Standalone (NSA) feature that makes it possible for mobile devices to access both 5G and 4G LTE networks at the same time, which allows carriers to tap into the benefits of both network technologies simultaneously. Most 5G networks today are NSA, and so rely on a 4G network core — as ...
Qualcomm readies ‘micro-power’ Wi-Fi system and ‘AI-ready’ IoT …
WEBApr 9, 2024 — Qualcomm Technologies has released a “breakthrough micro-power” Wi-Fi system-on-chip (SoC) for battery-powered IoT, plus new “AI-ready” IoT and industrial platforms at this year’s Embedded World, taking place this week in Nuremberg, Germany. It said the new products, the QCC730 SoC Wi-Fi solution and the RB3 Gen 2 Platform, will ...