ProDeveloperTutorialonSeptember 5, 2026 4g LTE: LTE HARQ HARQ stands for Hybrid Automatic Repeat Request (HARQ). This is a physical layer functionality in LTE. ARQ: Automatic Repeat Request. It… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: LTE Frame Structure LTE Physical Layer 2 radio frames are supported: 1. Type 1: FDD : Frequency Division Duplex 2. Type 2: TDD : Time Division Duplex For multiple… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: LTE control Plane protocol Stack In the last chapter we learn about LTE User Plane Protocol stack, in this chapter we shall see LTE Control Plane Protocol Stack. Below 2… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: LTE user plane protocol stack In LTE, depending upon User plane or Control Plane, the protocol stack has been divided into 2 different types. 1. LTE User Plane Protocol… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: LTE Security LTE security is an very important topic. In LTE we have 3 key pillars of security. They are 1. Authentication 2. Integrity 3. Encryption. 1.… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: The AIR interface protocol stack Below diagram shows the architecture of AIR interface: The above image shows the protocols used in the air interface with User Equipment… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: Bearers in LTE Bearer means a “carrier”, which carries something form one point to another. LTE provides end to end service using multiple LTE… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: LTE Interfaces In this chapter we shall see what are the different interfaces available in LTE. First, what is an interface? Interface is a channel that is… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: Identifiers in LTE IMSI IMSI stands for International Mobile Subscriber Identity. IMSI is used to identify globally unique SIM or USIM card. It is comprised of 3… Discover More
ProDeveloperTutorialonSeptember 5, 2026 4g LTE: Introduction to EPC network architecture elements EPC will be having below elements: MME : Mobility Management Entity S-GW : ServingGateway P-GW : PDNGateway HSS : HomeSubscriberServer PCRF :… Discover More