By incorporating AI-native design principles, wireless engineers can develop systems and networks that meet today’s needs and are equipped to evolve with tomorrow’s wireless requirements and advancements. Next-generation wireless systems, such as base stations, cellular phones, and Wi-Fi modems, push complexity limits with ever-increasing capacity demands, greater coverage expectations, and a massive user surge. Enter…
Why AI chips need PCIe 7.0 IP interconnects
Today’s SoC designers need to design PCIe 7.0 into new AI chip designs. First-pass silicon success is critical to meet the increasing performance and bandwidth demands of data-intensive applications. Data center technologies need to evolve to enable AI’s increasing workload and demands, especially as the number of parameters doubles every four to six months —…
How timing and synchronization improve 5G spectrum efficiency
5G moved from FDD to TDD to improve spectrum efficiency. That move resulted in new timing issues to keep networks in sync.
Wi-Fi 7 and 5G for FWA need testing
By Xiang Li, Keysight Technologies Follow these three steps to ensure your fixed-wireless access (FWA) designs will be compatible with the Wi-Fi fronthaul and 5G backhaul. Many areas lack the wired infrastructure to bring residential broadband access. Making those connections has become costly and inefficient. Fixed Wireless Access (FWA) has emerged as a compelling alternative…
How coherent optical engines send and receive network data
By Paul Momtahan, Infinera Learn about the components inside a coherent optical engine, what they do, and how they use modulation to send and receive data. Optical communications over metro, long-haul, and submarine networks once used simple direct-detect technology. That’s no longer the case. Demand for higher-speed optical connections has brought on complex modulations and…
How IEEE 802.3df brings 800G Ethernet to life
By Steve Rumsby, Spirent Communications When is a standard not a standard? This is a technical rather than metaphysical question, though the answer has implications well beyond technology. In the communications business, waiting for a formal technical standard to publish can seem like forever. As a result, industry groups develop their own interim standards to…
Wi-Fi performance testing now has standards
By Leigh Chinitz, Spirent Communications Until recently, service providers were unable to predict in-home performance of Wi-Fi devices because they lacked standardized test cases. Now, industry groups have advanced three new standards, each geared toward different Wi-Fi use cases. The Wi-Fi industry has long had standardized conformance testing to confirm that a device meets standards…
How to reduce residual noise in 5G NR EVM measurements
Error vector magnitude (EVM) is the most important figure of merit for signal quality in 5G NR. A new method improves measurement accuracy by reducing noise.
Optimize RF signal quality in 5G power amps
For 5G system performance, obtaining and maintaining the right balance of requirements for high power, power-added efficiency, and signal fidelity is critical. CCDF and PAPR measurements provide insights to help power amplifier designers achieve that goal. While all parts of the 5G RF signal chain contribute to overall system performance, the transmitter power amplifier (PA)…
How GaN PAs in 5G radios push test requirements
Proper PA development, validation, and characterization are important because a PA often accounts for a significant portion of a transmitting device’s power consumption.