RFGSM Mobile Station (MS) Power Classes
Overview of GSM Mobile Station (MS) power classes, ranging from Class 1 to Class 5, defining the maximum power output of a mobile device.
Posts tagged: Gsm
Showing 20 posts (Page 3 of 6)
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GSM Mobile Terminated (MT) Call Flow Explained
Understand the GSM Mobile Terminated (MT) call flow, including message exchanges between the UE and network layers, and channels used.
GSM Noncombined Channel Configuration
Explanation of GSM noncombined channel configuration for time slots TS0 and TS1. Channels covered: FCCH, SCH, BCCH, CCCH, and SDCCH in both downlink and uplink.
GSM OSS vs BSS: Understanding the Core Network and Base Station Subsystem
Explore the differences between GSM OSS (Operation and Support System) and BSS (Base Station Subsystem) in GSM network architecture, their components, and functions.
GSM Packet Switched Channel Processing Through Physical Layer
Explore GSM packet-switched channels, focusing on GPRS (CS1-CS4) and EGPRS (MCS1-MCS9) coding schemes at the physical layer. Understand data rates and robustness trade-offs.
GSM PCH (Paging Channel) Explained
Learn about the GSM PCH (Paging Channel), used for paging mobile devices in idle mode to alert them about incoming calls.
GSM Physical Layer (Layer-1) Explained
Explore the GSM physical layer (layer-1) functions, including baseband processing, FEC, ciphering, burst formation, and modulation for mobile station transmission.
GSM Protocol Stack and Architecture Explained
Explore the GSM protocol stack and architecture for Mobile Stations (MS) and Base Transceiver Stations (BTS), covering Layer 1 (PHY) and Layer 2 (LAPD, LAPDm).
GSM Protocol Stack: Layer 3 Overview
Explore GSM Layer 3 responsibilities, covering RRM, MM, CM, SCCP, and BSSMAP protocols. Understand message types and protocol discriminators.
GSM RACH (Random Access Channel) Explained
Learn about the GSM Random Access Channel (RACH), used by mobile devices to access the GSM network, particularly during call setup. Understand collision avoidance and the RACH frame structure.
GSM Radio Frequency (RF) Planning: BCCH, Bands, and ARFCN
Explore GSM RF planning, including BCCH frequency allocation, GSM bands, ARFCN, and frequency reuse strategies for optimal network performance.
GSM Radio Link Failure: Causes and Mechanisms
Explores the causes and mechanisms behind radio link failure in GSM networks, covering both mobile and network perspectives.
GSM SACCH: Slow Associated Control Channel Explained
Explore GSM's SACCH, used for power control, timing advance, and neighbor cell measurements during active calls.
GSM SDCCH: Standalone Dedicated Control Channel Explained
Learn about the GSM Standalone Dedicated Control Channel (SDCCH), a signaling channel between a GSM mobile device and a GSM BTS, operating independently of the traffic channel.
GSM Speech Processing: Codecs and Compression Techniques
Explore GSM speech processing, covering voice digitization, codecs (FR, HR, EFR, AMR), compression (LPC), and error resilience techniques.
GSM Synchronization Channel (SCH) Explained
Learn about the GSM Synchronization Channel (SCH), its role in time synchronization, and the information it carries, including the frame number and BSIC.
GSM System Information Messages: A Detailed Overview
Explore GSM System Information (SI) messages (SI1-SI9, SI13), their purpose, and how they aid in troubleshooting GSM UE issues. Understand BCCH and SACCH message types.
GSM Terminology Explained: BS_AG_BLKS_RES, PLMN, Location & Routing Areas
Understand key GSM terms like BS_AG_BLKS_RES, PLMN, Location Area (LA), Routing Area (RA), and Cell Global Identity (CGI). Learn how these elements define network hierarchy and mobile station location management.
GSM Test Failure: RxLevF and RXQUAL Out of Range
Explains why GSM tests fail due to RxLevF and RXQUAL issues. Both parameters are critical for power control and handover in GSM/GPRS systems.
GSM Timers Explained: A Comprehensive Overview
Explore crucial GSM timers like T100, T200, T301, T3126, T3146, T3182, T3190, T3192, T3124, T3230, and T3330. Understand their functions in managing radio links, call setup, and packet data transfer in GSM networks.
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