SIST EN 300 962 V8.0.1:2003
(Main)Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Substitution and muting of lost frames for full rate speech channels (GSM 06.11 version 8.0.1 Release 1999)
General Information
- Abstract
Updated to Version 8.0.0 CRs from SMG~#31
- Status
- Published
- Publication Date
- 30-Nov-2003
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Dec-2003
- Due Date
- 01-Dec-2003
- Completion Date
- 01-Dec-2003
Overview
SIST EN 300 962 V8.0.1:2003 specifies the procedures for substitution and muting of lost frames in full rate speech channels within the digital cellular telecommunications system, commonly known as GSM (Global System for Mobile Communications), Phase 2+. Established by the Slovenian Institute for Standardization (SIST) and aligned with ETSI EN 300 962, this standard is critical for ensuring consistent speech quality during transmission errors or network issues. It applies to GSM Base Station Systems (BSS) and Mobile Stations (MS) and is essential for manufacturers and operators implementing reliable digital voice communications.
Key Topics
- Frame Substitution: When a speech or comfort noise frame is lost, a substitution process ensures uninterrupted audio by using previous valid frames, improving user experience.
- Muting Procedure: After multiple consecutive lost frames, a controlled muting process gradually reduces output volume, thereby avoiding abrupt audio artifacts and signaling connection issues to the user.
- Mandatory GSM Implementation: The requirements set in this standard are mandatory for all full rate speech channels in GSM systems, ensuring interoperability and network reliability.
- Subjective Speech Quality: Methods used aim to minimize unpleasant noise and maintain natural-sounding communication, even under deteriorating network conditions.
Applications
Implementing SIST EN 300 962 V8.0.1:2003 delivers practical value across GSM networks:
- Mobile Communication Networks: Ensures robust voice services in GSM networks, allowing for uninterrupted call experiences despite occasional data loss.
- Device Manufacturers: Guides the development of GSM-compliant mobile phones and base station equipment by defining how speech decoding handles frame loss scenarios.
- Network Operators: Helps optimize the perceived quality of service by minimizing the negative impact of signal loss, thus enhancing overall user satisfaction.
- Compliance and Interoperability: Assures that devices and network infrastructure from different vendors implement uniform handling of lost speech frames, reducing compatibility issues.
By following these standardized procedures, network stakeholders can avoid sudden noises or silence during calls, sustaining a reliable and intelligible conversation for end-users.
Related Standards
Adhering to SIST EN 300 962 V8.0.1:2003 often references or is complemented by related GSM standards, such as:
- GSM 01.04: Provides abbreviations and acronyms used across GSM documentation.
- GSM 06.10: Details the transcoding processes for GSM full rate speech, crucial for understanding the context of frame processing.
- GSM 06.31: Specifies discontinuous transmission (DTX) practices, which are directly related to handling lost speech or SID (Silence Descriptor) frames.
These interrelated standards support a consistent approach to digital cellular communication, contributing to the global reliability and performance of GSM networks.
Keywords: Digital cellular telecommunications system, GSM, full rate speech, lost frame substitution, frame muting, speech quality, mobile communication standards, SIST EN 300 962, ETSI, interoperability, mobile station, base station system.
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Frequently Asked Questions
SIST EN 300 962 V8.0.1:2003 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech; Substitution and muting of lost frames for full rate speech channels (GSM 06.11 version 8.0.1 Release 1999)". This standard covers: Updated to Version 8.0.0 CRs from SMG~#31
Updated to Version 8.0.0 CRs from SMG~#31
SIST EN 300 962 V8.0.1:2003 is classified under the following ICS (International Classification for Standards) categories: 33.070.50 - Global System for Mobile Communication (GSM). The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 962 V8.0.1:2003 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2003
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1DGRPHãþDQMHLQXWLãDQMHL]JXEOMHQLKRNYLURY]DNDQDOHVSROQRKLWURVWMRJRYRUD
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Digital cellular telecommunications system (Phase 2+) (GSM); Full rate speech;
Substitution and muting of lost frames for full rate speech channels (GSM 06.11 version
8.0.1 Release 1999)
Ta slovenski standard je istoveten z: EN 300 962 Version 8.0.1
ICS:
33.070.50 Globalni sistem za mobilno Global System for Mobile
telekomunikacijo (GSM) Communication (GSM)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
European Standard (Telecommunications series)
Digital cellular telecommunications system (Phase 2+);
Full rate speech;
Substitution and muting of lost frames
for full rate speech channels
(GSM 06.11 version 8.0.1 Release 1999)
R
GLOBAL SYSTEM FOR
MOBILE COMMUNICATIONS
2 ETSI EN 300 962 V8.0.1 (2000-11)
(GSM 06.11 version 8.0.1 Release 1999)
Reference
REN/SMG-110611Q8
Keywords
Digital cellular telecommunications system,
Global System for Mobile communications (GSM)
ETSI
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No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 2000.
All rights reserved.
ETSI
3 ETSI EN 300 962 V8.0.1 (2000-11)
(GSM 06.11 version 8.0.1 Release 1999)
Contents
Intellectual Property Rights .4
Foreword.4
1 Scope.5
2 References.5
3 Definitions and abbreviations.5
4 General.5
5 Requirements.6
5.1 First lost speech frame. 6
5.2 Subsequent lost speech frames. 6
5.3 First lost SID frame. 6
5.4 Subsequent lost SID frame. 6
6 Example solution.6
Annex A (informative): Change Request History .8
History .9
ETSI
4 ETSI EN 300 962 V8.0.1 (2000-11)
(GSM 06.11 version 8.0.1 Release 1999)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://www.etsi.org/ipr).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This European Standard (Telecommunications series) has been produced by ETSI Technical Committee Special Mobile
Group (SMG).
The present document specifies the substitution and muting of lost frames for full rate speech channels for the digital
cellular telecommunications system.
The contents of the present document is subject to continuing work within SMG and may change following formal
SMG approval. Should SMG modify the contents of the present document it will be re-released with an identifying
change of
...