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Why Does 5G NR Support Two Uplink Waveforms? Understanding CP-OFDM and DFT-s-OFDM
The design question 3GPP actually faced LTE’s uplink was a single, non-negotiable decision: every PUSCH transmission uses SC-FDMA. 5G NR does not make that same trade-off unconditionally — it exposes […]
Supplementary Uplink: a practical solution for 5G’s uplink limitations
The uplink challenge is inherent to deployments that rely primarily on mid-band TDD spectrum. Most 5G capacity relies on mid-band TDD spectrum near 3.5 GHz, which presents three main uplink […]
One Network, Many Networks: How 5G Slicing Actually Works
The problem slicing solves A mobile network has always been a compromise. The same infrastructure must serve a surgeon monitoring a remote procedure, a teenager streaming 4K video, and a […]
Beyond Speed: 5G Security Enhancements
When discussing 5G, most conversations focus on higher throughput, lower latency, and support for massive device connectivity. While these capabilities are important, one of the most significant advancements in 5G […]
2G/3G Sunset: Why VoLTE Readiness Matters More Than Ever
The global shutdown of 2G and 3G networks is often framed as a spectrum-efficiency story. Operators are retiring legacy technologies to reuse valuable spectrum for 4G and 5G, improve network […]