ISO 21806-1:2020 PDF

Name: ISO 21806-1:2020 — Road vehicles — Media Oriented Systems Transport (MOST) — Part 1: General information and definitions
SKU: ISO 21806-1:2020
Price: 25 EUR
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Road vehicles — Media Oriented Systems Transport (MOST) — Part 1: General information and definitions

Название (английский):

ISO 21806-1:2020

Road vehicles — Media Oriented Systems Transport (MOST) — Part 1: General information and definitions

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 23
Дата публикации:: 18 сентября 2020 г.
Издание:: ISO IS 21806 edition 1 version 1
ICS:: 43.040.15

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Описание (английский):

This document provides general information and definitions for Media Oriented Systems Transport (MOST), a synchronous time-division-multiplexing network. This document describes the access to MOST specifications, which are referenced by the ISO 21806 series.

Abstract

Overview

Key topics and technical requirements

Definitions and terms: comprehensive glossary covering jitter, phase variation, frames, channels, control data, streaming data, logical node addresses and other MOST-specific terms.
Network architecture: describes MOST as a synchronous TDM network with separate channels for streaming, control and packet data; network clock and timing behavior are defined.
Timing and signal quality: concepts such as jitter, accumulated jitter, alignment jitter, eye diagram, Golden PLL and lock conditions are defined for reliable data reception.
Bandwidth allocation: mechanisms like boundary descriptors, bits-per-frame and reserved bandwidth for isochronous streaming.
Variants and bit rates: references to MOST50 (50 Mbit/s) and MOST150 (150 Mbit/s); support for different bit rates and physical layers is noted.
Access and maintenance: guidance on accessing MOST specifications via the ISO standards maintenance portal and MOST versions directory structure (including MOST versions 4V0, 3V1, 3V0, 2V5).
Normative/informative resources: Annexes list implementation-relevant and supplemental documents useful for conformance and implementation.

Applications

Implementation and interoperability of automotive multimedia and infotainment systems (audio, video, navigation and telematics).
Defining test plans and conformance procedures for MOST-based devices and test tools.
Guidance for integration of streaming and packet services in ECUs and network controllers where deterministic low latency and QoS are required.

Who uses this standard?

Automotive OEMs and system architects
Tier-1 suppliers and ECU/module manufacturers
Test-tool vendors and certification bodies
Network and firmware engineers implementing MOST-based interfaces

Related standards

ISO 21806 series (other parts: protocol, conformance)
ISO/IEC 7498-1 and ISO/IEC 10731 (OSI model references)
ISO/IEC/IEEE 8802-3 (Ethernet - referenced for scalable automotive-ready Ethernet)
MOST Specifications (referenced normative documents)

ISO 21806-1:2020 is essential for anyone implementing or testing MOST networks in road vehicles, ensuring consistent vocabulary, access to the correct MOST specification versions, and a basis for conformance and interoperability.

Технические детали

Технический комитет: ISO/TC 22/SC 31 - Data communication
SKU: ISO 21806-1:2020

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Каталог

BS ISO 21806-6:2020

Действующий

Road vehicles. Media Oriented Systems Transport (MOST). Data link layer.

82 · PDF

50 €

ISO/IEC 7498-1:1994

Действующий

Information technology — Open Systems Interconnection — Basic Reference Model: The Basic Model

Overview ISO/IEC 7498-1:1994 - "Information technology - Open Systems Interconnection - Basic Reference Model: The Basic Model" (also published as ITU‑T Rec. X.200) defines the conceptual OSI Referen…

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273 €

ISO/IEC 10731:1994

Действующий

Information technology — Open Systems Interconnection — Basic Reference Model — Conventions for the definitio…

Overview ISO/IEC 10731:1994 - “Information technology - Open Systems Interconnection - Basic Reference Model - Conventions for the definition of OSI services” - defines a uniform set of terms, notati…

23 · PDF

25 €

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