Apidays New York 2024 - The value of a flexible API Management solution for O...
Presentacion de LTE para Universidad Jose Cecilio del Valle
1. 3GPP Long Term Evolution Introductorio (4G) Edwin A. Hernandez, PhD Rapid Mobile Technologies, Inc For educational purposes only Universidad Jose Cecilio del Valle
2.
3.
4.
5. Dr. Martin Cooper of Motorola, made the first US analogue mobile phone call on a larger prototype model in 1973. This is a reenactment in 2007 [7]
6.
7.
8.
9.
10.
11. Radio network controller Radio network controller Mobile switch center Service support node Gateway PSTN Access Network Core Network 2G-3G wireless network architecture Service Network 4G Wireless Network over Wireless Network Cloud Internet BS cluster BS cluster Cloud of Wireless Access Network + Core Network Review [4] BS BS BS BS SMS/MMS WAP GW SMS/MMS IMS Content Service Web Service Edge gateway Management Server Billing Edge gateway
23. Requerimientos de LTE Peak data rate – 100 Mbps DL/ 50 Mbps UL within 20 MHz bandwidth. • Up to 200 active users in a cell (5 MHz) • Less than 5 ms user-plane latency • Mobility – Optimized for 0 ~ 15 km/h. – 15 ~ 120 km/h supported with high performance. – Supported up to 350 km/h or even up to 500 km/h. • Enhanced multimedia broadcast multicast service (E-MBMS) • Spectrum flexibility: 1.25 ~ 20 MHz • Enhanced support for end-to-end QoS 3GPP • OFDM (Orthogonal Frequency Division Multiplexing) • Frequency domain equalization • SC-FDMA (Single Carrier FDMA) • MIMO (Multi-Input Multi-Output) • Multicarrier channel-dependent resource scheduling • Fractional frequency reuse