GSM – Comprehensive
- GSM Network Architecture and System Overview
- GSM architecture: Original, current, and evolving
- Key core network features of GSM, incuding Signaling System Number 7 (SS7)
- GSM core network evolutionary path
- Key aspects of GSM’s air interface
- GSM TDMA Structures on the RF Carrier
- Time slots and their structure within the frame
- Frame structures and framing hierarchy: Frames, multiframes, superframes, and hyperframe
- Physical channels and their properties
- Uplink versus downlink timing alignment
- Logical Channels and Their Relationship to the RF Carriers and Resource Allocation/Logical Channel Optimization Issues
- Broadcast Control Channel (BCCH)
- Frequency Correction Channel (FCCH)
- Synchronization Channel (SCH)
- Common Control Channels (CCCH)
- Stand-alone Dedicated Control Channel (SDCCH)
- Traffic Channels (TCH), full rate, half rate, and other data-carrying traffic channels
- Associated Control Channels (ACCH)
- Mapping of Logical Channels to Physical Channels, Burst Structures, and Optimization of Mapping Schemes
- The 26-frame multiframe and its structure: Optimization options
- The 51-frame multiframe and its structure: Optimization options
- Burst structures, usage, and operation
- Normal burst: Structure and usage
- Frequency correction burst: Structure and usage
- Synchronization burst: Structure and usage
- Random access burst: Structure and usage
- Dummy burst: Structure and usage
- The End-to-End Digital Path: An Overview before the GSM Specifics Can Be Discussed
- Overview of speech coding
- Overview of error control coding, including error correction and error detection
- Overview of modulation techniques, leading up to the GSM modulation technique
- GSM Speech Coding
- Full rate vocoder
- Enhanced full rate vocoder
- Half rate vocoder
- Adaptive, multirate codec and voice quality performance optimization
- GSM Error Control Coding
- Voice traffic channel coding (error correction and error detection)
- Data traffic channel coding options and optimization issues/limitations
- Summary of strengths and weaknesses of the error control strategies used in GSM
- Gaussian, Minimum Shift Keying (GMSK): The Digital Modulation Scheme Used in GSM
- Why not BPSK, or QPSK, or something similar
- What’s unique about GMSK and its properties
- GMSK versus frequency correction burst
- Call Establishment Procedures and Algorithms
- Idle mode procedures, including details, parameters, etc of the camping algorithm
- Cell selection/reselection procedures and parameters, including C1 and C2
- Random Access channel (RACH) procedures and parameters
- Dedicated mode procedures, including measurements, BSIC identification, handovers, and system optimization considerations
- SDCCH structures, parameters, and resource allocation optimization
- Layer 2 and Layer 3 Message Structures
- Information Elements (IE) and their functionality
- Layer 3 message structures and issues
- Layer 3 to layer 2 interfaces
- Layer 2 messages, associated structures, and mapping to layer 1
- Evolutionary Path of GSM
- Overview and motivation for HSCSD
- Overview and motivation for GPRS
- Overview and motivation for EDGE
- Overview and motivation for CAMEL
- Overview and motivation for 3G/WCDMA/UMTS/UTRA
- Course Recap and Conclusions
