Gaganpreet Singh

Understand the high-level architecture of EPS fallback with N26 interface in 5G SA, enabling single registration devices to use LTE VoLTE for voice calls.

Learn how 5G EN-DC ensures reliable voice and emergency services using VoLTE, EN-DC split bearers, CSFB, IFHO, and SRVCC for seamless connectivity.

Learn how early-stage 5G standalone (SA) devices manage voice services with VoLTE options like EPS fallback, CSFB, and SRVCC to ensure seamless connectivity.

Explore the 5G uplink user plane architecture at Layer 2, including SDAP, PDCP, RLC, and MAC functions, QoS handling, radio bearers, and transport channels.

Explore how uplink mapping of transport to logical channels works in 5G NR. Learn how CCCH, DCCH, and DTCH map to RACH and ULSCH for secure communication.

Dive into the uplink architecture of PDCP in 5G NR. Learn how PDCP ensures security, integrity, reordering, and efficient data transmission between UE and the gNB.

Discover how SDAP manages QoS flows in 5G. Learn the downlink and uplink architecture of SDAP, its role in QoS-to-DRB mapping, and its significance in user plane data handling.

Explore the downlink user plane architecture of Layer 2 in LTE/5G. Learn how SDAP, PDCP, RLC, and MAC layers work together to deliver efficient data transfer.

Understand how logical channels map to transport channels in LTE/5G downlink. Explore PCCH, BCCH, CCCH, DCCH, and DTCH channel flows for network optimization.

Understand the downlink architecture of RLC in 5G. Learn how Transparent Mode, UM, and AM ensure efficient segmentation, error control, and reliable data delivery.