RF
Cell Re-selection in WCDMA/GSM Networks
Explanation of cell re-selection in WCDMA/GSM networks, including trigger conditions, neighbor cell measurements, and the process of switching between WCDMA and GSM cells.
Posts tagged: Wcdma
Showing 20 posts (Page 1 of 3)
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Circuit Switched vs. Packet Switched Calls: Key Differences
Explore the differences between circuit-switched and packet-switched calls. Understand how they work, their best applications, and call flow examples for GSM and WCDMA networks.
CPRI Line Rates Explained: Rate-1 to Rate-10
Understand CPRI line rates, including rates 1-10, line bit rates, coding, and transport capacity for WCDMA and LTE AxC.
Ec/Io vs Eb/No: Understanding the Difference in WCDMA
Explore the differences between Ec/Io and Eb/No in WCDMA, focusing on their measurement points (before and after despreading) and importance in evaluating wireless system performance.
IRAT Basics: WCDMA to GSM Handover Explained
Learn about Inter Radio Access Technology (IRAT) and the IRAT handover process between WCDMA and GSM networks, including message flow and key steps.
IRAT Measurements: GSM, WCDMA, LTE, and TD-SCDMA
Fundamentals of Inter-RAT (IRAT) measurements in multimode modem design, covering GSM, WCDMA, LTE, and TD-SCDMA. UE performs measurements in IDLE/CONNECTED modes for best cell.
RSCP vs. Ec/No vs. RSSI: Signal Strength and Quality in WCDMA
Understand the differences between RSCP, Ec/No, and RSSI in WCDMA. Learn how they relate to signal strength and quality in wireless communication.
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.
TD-SCDMA vs WCDMA vs CDMA2000: 3G Standard Comparison
Explore the key differences between TD-SCDMA, WCDMA, and CDMA2000 3G mobile communication technologies, including their technical approaches, spectrum handling, and regional deployment.
TD-SCDMA vs. WCDMA: Frame Structure and Physical Layer Comparison
Explore the TD-SCDMA frame structure and physical layer, comparing it to WCDMA. Understand their differences in duplexing, frequency bands, and more.
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.
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 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 UARFCN to Frequency Conversion
Equations to convert between frequency and UARFCN in UMTS/WCDMA systems. Includes downlink and uplink calculations.
WCDMA AICH (Acquisition Indicator Channel)
Learn about the WCDMA Acquisition Indicator Channel (AICH), a physical channel carrying Acquisition Indicators (AIs) related to the PRACH signature.
WCDMA CD/CA-ICH Explained
Definition of Collision Detection/Channel Assignment Indicator Channel (CD/CA-ICH) in WCDMA/UMTS systems, including its function and relationship to channel assignment.
WCDMA Cell Search Procedure Explained
Learn the WCDMA cell search procedure used by User Equipment (UE) to synchronize and identify cells in a WCDMA network, including SCH analysis and scrambling code identification.
WCDMA Compressed Mode for Measurements Explained
Learn about WCDMA compressed mode, used to create gaps for mobile devices to perform neighbor cell measurements in UMTS networks. Explore puncturing, spreading factor reduction, and higher layer signaling methods.
WCDMA CPICH: Common Pilot Channel Explained
Learn about the WCDMA Common Pilot Channel (CPICH), its purpose, and its role in WCDMA/UMTS systems for providing a reference signal for mobile stations.
WCDMA CSICH: CPCH Status Indication Channel Explained
Learn about the WCDMA CPCH Status Indication Channel (CSICH), its function, and its significance in UMTS networks.
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