Interview QA » WCDMA Interview Questions and Answers

WCDMA Interview Questions and Answers

wcdma interview telecom wireless engineering umts

This page provides a WCDMA questionnaire set prepared by experienced specialists in the WCDMA domain. These top 10 WCDMA interview questions and answers will help engineers seeking WCDMA/UMTS jobs to crack the interview on their first try. These questions are also very useful as viva questions.

What is CDMA? Explain different versions as per 3GPP releases.
What is the basic difference between CDMA and GSM?
Differentiate CDMA technique with respect to TDMA and FDMA.
What is the difference between EV-DO and EV-DV?
What is spread spectrum?
What is compressed mode in WCDMA?
What is the difference between QPSK and OQPSK?
Explain WCDMA frame structure.
What are the physical, transport, and logical channels in WCDMA? Explain the function of each.
What is the function of the channelization code, scrambling code, and synchronization code?
What is the difference between DSSS and FHSS?

UMTS Multiple Access Techniques: WCDMA, TD-CDMA, and More

Explore the multiple access techniques employed in UMTS (3G), including WCDMA, TD-CDMA, and TD-SCDMA, and learn how they enable efficient spectrum use.

umts wcdma multiple access

UMTS Tutorial: Features, Architecture, Advantages, and Comparison

Explore UMTS (3G) technology: network architecture, advantages, disadvantages, and comparisons with GSM (2G) and LTE (4G). Understand its role in mobile communication.

umts 3g mobile communication

WCDMA RRC States and Procedures Explained

Learn about WCDMA RRC states (idle, connected) and procedures in UMTS. Covers cell selection, connection establishment, and state transitions.

wcdma rrc umts

RTWP vs RSCP: Understanding the Difference in WCDMA/UMTS

Explore the key differences between RTWP (Received Total Wideband Power) and RSCP (Received Signal Code Power) in WCDMA/UMTS mobile communication systems.

rtwp rscp wcdma

UE WCDMA/UMTS Timers Explained

A comprehensive guide to WCDMA/UMTS timers in User Equipment (UE), covering functions, start/stop conditions, and expiry actions for timers T300 to T317.

wcdma umts timer