
Explain how 3G WCDMA uses wideband spreading with user-specific codes to convert a narrowband signal into a high chip-rate transmission, enabling despreading at the receiver and processing gain.
Explore how 3G UMTS uses generalization and scrambling codes to spread data, differentiate transmitters, and manage channels, with generalization increasing bandwidth while scrambling differentiates base stations and sectors.
Explore how power control maintains the signal-to-interference ratio in 3g umts, detailing open loop, inner loop, and outer loop techniques for uplink and downlink.
Explain how the rake receiver combats multipath propagation and intersymbol interference in 3G W-CDMA, using a searcher and finger channels to align and combine delayed copies for reliable data.
Describe soft handover in 3g umts, where a mobile connects to two base stations to avoid interruption, and hard handover, which breaks first then connects, inter radio access technology handover.
Distinguish dedicated, common, and broadcast channels in 3g umts and explain how logical, transport, and physical channels carry data between the user equipment and the network, including access and paging.
Explore 3g umts ue states from idle to cell dch, fach, pch, ura_pch, and see how location and routing areas drive paging and channel allocation for circuit-switched and packet-switched calls.
Here is the link to the new course
https://www.udemy.com/course/5g-network-training-key-technologies-architecture-and-protocols/?referralCode=95D71391256CEF6095E2
This course explains the 3G (UMTS) technology fundamentals. This course highlights the new technologies and changes that were introduced in UMTS or 3G networks. This course focuses on in-depth understanding of UMTS systems, WCDMA concepts, Air interface protocols and procedures. This course is for students as well as working professionals who want to learn fundamentals of 3G technologies.