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Flexible Layer One for GERAN

Overview of FLO architecture and its impact on GERAN protocols, enabling flexible, QoS-aware radio bearers for IMS servi

BSS-MSC Interface Layer 3 Procedures

Defines BSSAP, BSSMAP and DTAP procedures for GSM BSS-MSC signaling, including radio resource, handover, paging and call

GSM Mobile Station Test Functions

Defines GSM900/DCS1800 mobile-station conformance test functions, including TCH loops, test activation, electrical MMI,

GSM A5/3 and GEA3 Security Algorithms

Design and evaluation report for A5/3 GSM encryption and GEA3 GPRS encryption algorithms.

A8_V MILENAGE Key Generation

Defines an example MILENAGE-based A8_V algorithm for generating VGCS and VBS cipher keys.

A5/3 and GEA3 Encryption Algorithms

Specifies the A5/3 encryption algorithms for GSM and ECSD and the GEA3 encryption algorithm for GPRS, including their te

A5/3 and GEA3 Implementors' Test Data

Defines implementation test data for validating the A5/3 GSM/EDGE encryption algorithms and GEA3 GPRS encryption algorit

A5/3 and GEA3 Encryption Algorithms

Specifies A5/3 encryption for GSM and ECSD and GEA3 encryption for GPRS, based on the 3GPP Task Force algorithm specific

GSM-MILENAGE A3/A8 Algorithms

Defines example MILENAGE-based algorithms for GSM authentication, signed response generation, and cipher key derivation.

GSM Performance Management

Defines GSM performance measurement administration, collection, and measurement definitions for network operations.

A-bis Network Management

Defines O&M messages, procedures, object models, and addressing for managing GSM BTS equipment over the A-bis interf

GSM Subscriber and Equipment Trace

Defines GSM tracing of subscribers and equipment, including activation, invocation events, trace records, and transfer t

GSM BSS RF Conformance Testing

Defines RF test methods and conformance requirements for GSM, GPRS, EGPRS and EGPRS2 base station systems across multipl

GSM Repeater RF Tests

Defines RF measurement procedures and environmental conditions for GSM repeaters, including spurious emissions and gain

GSM Mobile Station Conformance Testing

Defines requirements and test methods for GSM mobile station conformance across multiple bands and GSM releases.

SIM API for Java Card Test Specification

Defines conformance testing methods, tools, scripts, environments, and requirements for SIM Java Card API implementation

GERAN-to-UTRAN Inter-RAT Test Suite

Defines TTCN abstract test suites for GSM mobile-station Network Layer 3 inter-RAT handover to UTRAN.

GSM Mobile Station PICS Proforma

Defines the PICS proforma for evaluating GSM mobile station protocol and service conformance across multiple bands and r

SIM Application Toolkit Conformance Testing

Defines requirements and test methods for validating SIM Application Toolkit implementation in GSM mobile stations.

GPRS Interoperability Issue Resolution

Identifies GPRS specification issues, defines corrected mobile and network behavior, and provides implementation timelin

BSSAP-LE LCS Signaling Specification

Defines BSSAP-LE messages, encoding, transport, and procedures for location services over GERAN Lb and Lp interfaces.

BSSAP on the E-Interface

Defines BSSAP transfer, roles, and inter-MSC procedures for handover over the GSM E-interface.

GERAN SMLC-BSS LCS Protocol Coding

Defines BSSLAP layer 3 messages and information element coding for location services between the SMLC and BSS in GERAN.

BTS-TRAU Half-Rate Protocol

Defines BTS-to-TRAU framing, coding, control, and rate adaptation for half-rate speech, data, AMR, and O&M traffic.

Abis TRAU Frame Structures and Control

Defines Abis TRAU frame formats and inband control for remote transcoders, rate adaptors, AMR, AMR-WB, and speech/data s

A-bis Interface Layer 3 Procedures

Defines GSM A-bis layer 3 signalling, traffic management procedures, messages, and BTS-BSC channel control.

A-bis LAPD Link Layer

Defines the LAPD-based layer 2 signalling protocol for the GSM A-bis interface between BSC and BTS, including addressing

A-bis Interface Physical Layer

Defines Layer 1 for the BSC-BTS/TRX A-bis interface, including 2.048 Mbit/s and 64 kbit/s transmission, synchronization,

GSM A-bis Interface Principles

Defines BSC-BTS functional division, configurations, transport, radio management, measurements, and signaling principles

BSC-BTS Interface Introduction

Introduces the GSM BSC-BTS interface specification series, covering capabilities, layered architecture, physical links,

SMLCPP Protocol for SMLC Coordination

Defines SMLCPP procedures for exchanging radio timing information and deciphering keys between SMLCs in GERAN.

GSM Data Rate Adaptation

Defines BSS and IWF rate adaptation, splitting, padding, and EDGE multiplexing for GSM data services.

BSSGP Protocol for GPRS Gb Interface

Defines BSSGP services, procedures, PDUs, and control functions between GERAN BSS and SGSN over the Gb interface.

Gb Interface Network Service

Defines the Network Service protocol for reliable NS SDU transport, virtual connections, addressing, load sharing, and m

GSM Enhanced Full Rate Speech Codec

Defines the 12.2 kbit/s ACELP speech codec, including PCM conversion, encoding, decoding, filtering, quantization, and c

Gb Interface Physical Layer

Defines physical-layer options and requirements for the BSS–SGSN Gb interface, including Frame Relay interfaces, multipl

BSS-MSC Signalling Transport

Defines MTP, M3UA/SCTP, and SCCP requirements for reliable signalling between GSM BSS and MSC nodes.

BSS-MSC Physical Layer for Traffic

Defines Layer 1 transmission, framing, coding, synchronization, idle patterns, and fault handling for BSS-MSC traffic ch

BSS-MSC Interface General Principles

Defines functional principles, responsibilities, and architectural guidelines for the GSM BSS-MSC interface.

GSM Codec Interoperability Evaluation

Subjective evaluation of GSM half-, full-, and enhanced-full-rate codec interoperability, tandem operation, errors, nois

GSM A-Interface Introduction

Introduces the GSM BSS-MSC A-interface specifications, covering architecture, layering, signalling, physical transport,

EFR Voice Activity Detector

Defines the VAD algorithm for EFR speech DTX, including adaptive filtering, noise estimation, tone detection, speech dec

EFR Speech DTX Baseband Operation

Defines GSM Enhanced Full Rate speech transmitter and receiver DTX operation, including VAD, SID frames, comfort noise,

EFR Comfort Noise and DTX

Defines background noise evaluation, SID parameter encoding and comfort noise generation for Enhanced Full Rate speech d

AMR Codec Feasibility Study

Defines the Adaptive Multi-Rate codec concept, requirements, operating modes, feasibility, and development plan for impr

EFR Speech Frame Substitution and Muting

Defines GSM Enhanced Full Rate procedures for detecting, substituting, attenuating, and muting lost speech and SID frame

EFR Speech Codec Performance Evaluation

Reports pre-selection and verification results for GSM Enhanced Full Rate speech codec performance under errors, tandemi

EFR Codec Digital Test Sequences

Defines bit-exact digital test sequences and formats for validating GSM Enhanced Full Rate speech codec, VAD, comfort no

GSM Enhanced Full Rate Codec C Code

Bit-exact ANSI-C implementation of the GSM Enhanced Full Rate speech codec, including VAD, DTX, comfort noise, and lost-

GSM Enhanced Full Rate Speech Introduction

Introduces GSM Enhanced Full Rate speech processing, including transcoding, DTX, VAD, comfort noise, frame substitution,