Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GY/T 200.2-2004 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GY/T 200.2-2004	RFQ	ASK	3 days	Specification for HFC data transmission system Part 2: RF interface and protocol	Valid

Similar standards

GY/T 268.2 GY/T 268.1 GY/T 229.3 GY/T 320 GY/T 307 GY/T 298

Basic data

Standard ID: GY/T 200.2-2004 (GY/T200.2-2004)
Description (Translated English): Specification for HFC data transmission system Part 2: RF interface and protocol
Sector / Industry: Radio, Film & TV Industry Standard (Recommended)
Classification of Chinese Standard: M63
Word Count Estimation: 259,225
Date of Issue: 2004-03-22
Date of Implementation: 2004-05-01
Quoted Standard: IEC 60728-11; ISO/IEC 10038; ITU-T Z.100; GB 13836-2000; GB/T 11595-1999; GB/T 15629.2-1995; GB/T 15629.3-1995; GB/T 16263-1996; GB/T 16646-1996; GB/T 17975.1-2000; GY/T 106-1999; GY/T 170-2001; GY/T 180-2001; YD/T 1076-2000,
Adopted Standard: IYU-T J.112, MOD
Summary: This standard specifies the physical layer of a two-way HFC network data transmission systems, data link layer and the network layer protocol.

GY/T 200.2-2004: Specification for HFC data transmission system Part 2: RF interface and protocol

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specification for HFC data transmission system Part 2. RF interface and protocol People's Republic of China Radio, Film and Television Industry Standard GY Technical specifications of HFC network data transmission system Part 2. RF interfaces and protocols Specification for HFC data transmission system Part 2. RF interface and protocol (ITU-T J.112, Transmission Systems for Interactive Cable Television Services, MOD) Published on March 22,.2004 2004-05-01 Implementation Published by the State Administration of Radio, Film and Television

Foreword ... II Introduction ... III 1 Scope ... 1 2 Normative references ... 1 3 Terms, definitions and abbreviations ... 1 3.1 Terms and definitions ... 1 3.2 Acronyms ... 7 4 Communication protocol ... 8 4.1 Protocol Stack ... 8 4.2 MAC Forwarder ... 11 4.3 Network Layer ... 13 4.4 Above the network layer ... 14 4.5 Data link layer ... 14 4.6 Physical layer ... 15 5 Physical Media Compliance Sublayer (PMD) Specification ... 15 5.1 Uplink ... 16 5.2 Downstream ... 29 6 Downlink Transmission Convergence Sublayer ... 32 6.1 MPEG packet format ... 32 6.2 MPEG packet header for HFC data transmission ... 33 6.3 MPEG Payload ... 33 6.4 Interaction with the MAC sublayer ... 33 6.5 Interaction with the physical layer ... 34 6.6 MPEG packet header synchronization and recovery ... 34 7 Technical requirements for media access control ... 34 7.1 Introduction ... 34 7.2 MAC frame format ... 36 7.3 MAC Management Messages ... 49 8 Media Access Control Protocol Operation ... 78 8.1 Uplink Bandwidth Allocation ... 8.2 Multi-channel support ... 8.3 Timing and synchronization ... 8.4 Uplink transmission and contention resolution ... 84 8.5 Data link encryption support ... 86 9 Quality of service and segmentation ... 86 9.1 Operation principle ... 9.2 Upstream Service Flow Scheduling Service ... 9.3 Segmentation ... 9.4 Payload header suppression ... 10 CM-CMTS interaction ... 111 10.1 CMTS initialization ... 111 10.2 CM Initialization ... 10.3 Standard operation ... 10.4 Dynamic Services ... 10.5 Failure Detection and Recovery ... 173 11 Ability to support future new CMs ... 174 Appendix A (Normative Appendix) Common Addresses ... 176 Appendix B (Normative) Parameters and Constants ... 178 Appendix C (Normative Appendix) Common RF Interface Coding ... 181 Appendix D (Normative Appendix) CM Configuration Interface Specification ... 212 Appendix E (Informative) MAC Business Definition ... 217 Appendix F (informative) Examples of preamble sequences ... 224 Appendix G (informative) Multiple uplink channels ... 225 Appendix H (Normative Appendix) HFC Data Transmission Spanning Tree Protocol ... 230 Appendix I (Normative) Error Codes and Error Messages ... 233 Appendix J (informative) DOCSIS transmission and contention resolution ... 240 Appendix K (informative) Examples of IGMP ... 245 Appendix L (Informative) Active Authorization Services ... 247 References ... 252

Foreword

GY/T 200 "Technical Specifications for HFC Network Data Transmission System" is divided into the following two parts. -Part 1. General requirements; -Part 2. RF interface and protocol. This part is the second part of GY/T 200. This section adopts ITU-T J.112 "Transmission Systems for Interactive Cable Television Services ", mainly adopting Appendix B (Data-over-cable radio frequency interface) of this proposal. This section is related to The main difference of ITU-T J.112 Appendix B is that the dynamic QoS allocation mechanism has been expanded according to the advanced principles of the standard and China's actual situation. And payload header suppression technology, delete the related content related to encryption in the original Recommendation, and its related content is separately stipulated in other standards. Appendix A, Appendix B, Appendix C, Appendix D, Appendix H, and Appendix I of this section are normative appendixes, Appendix E, Appendix F, Appendix G, and Appendix Record J, Appendix K, and Appendix L are informative appendices. This section is under the jurisdiction of the National Radio and Television Standardization Technical Committee. Drafting units of this section. Standardization Planning Research Institute of State Administration of Radio, Film and Television, State Administration of Radio, Film and Television Radio, Film and Television Information Network Center, Gehua Cable Network Co., Ltd., Qingdao Cable TV Station, Huawei Technologies, Chengdu Kangte Electronic High-tech Company, Institute of Acoustics, Chinese Academy of Sciences, Shanghai Broadcasting Corporation, Shenzhen Aolong Broadband Technology Co., Ltd., ZTE Corporation Division, PCCW Hong Kong, Shenzhen Dike Information Technology Company, Guangdong Central Network Company, Skyworth Digital Technology Co., Ltd. The main drafters of this section. Jin Guojun, Chen Jiaxing, Chen Luoguang, Cheng Weiyao, Li Yixing, Long Yongqing, Luo Xiaohong, Nie Feng, Shi Chi, Wu Tao, Yang Binhua, Yu Qianru, Zeng Chun, Zeng Qingjun, Zeng Xuewen, and Zhang Chaoyang.

Introduction

From the perspective of the radio frequency interface, this part of the standard specifies compliance with GY/T 106-1999 Technical Specifications for Cable Television Broadcasting Systems. The physical layer and link layer of the data transmission system on the network with GY/T 180-2001 "Technical Specifications for the Physical Transmission Channels of HFC Networks" And network layer communication protocols, and detailed descriptions of QoS dynamic allocation mechanism, payload header suppression, and CMTS and CM interoperation. It maintains ITU-T J.112/EuroDOCSIS 1.1 high-speed data transmission features and QoS extension functions, and is compatible with EuroDOCSIS 1.0. Technical specifications of HFC network data transmission system Part 2. RF interfaces and protocols

1 Scope

This section specifies the physical layer, data link layer, and network layer communication protocols for HFC network data bidirectional transmission systems. This section applies to HFC network data two-way transmission system.

2 Normative references

The clauses in the following documents have become the clauses of this standard after being referenced. For dated references, all subsequent Neither amendments (excluding errata) or revised versions are applicable to this standard, however, parties who have reached an agreement under this standard are encouraged to study Is the latest version of these files available? For undated references, the latest version applies to this standard. GB/T 11595-1999 Packet data terminal equipment (DTE) connected to the public data network with dedicated circuits and data circuit termination Interface between devices (DCE) GB 13836-2000 TV and sound signal cable distribution systems-Part 2. Electromagnetic compatibility of equipment GB/T 15629.2-1995 Information processing system local area network Part 2. Logical link control GB/T 15629.3-1995 Information processing system local area network Part 3. Carrier Sense Multiple Access with collision detection (CSMA/CD) Access methods and physical layer specifications GB/T 16263-1996 Information Processing System Open System Interconnection Abstract Syntax Notation-(ASN.1) Specification of Basic Encoding Rules GB/T 16646-1996 Information Technology Open System Interconnection Local Area Network Media Access Control (MAC) Service Definition GB/T 17975.1-2000 Information technology. Universal coding of moving pictures and associated audio information. Part 1. System GY/T 106-1999 Technical Specification for Cable Television Broadcasting System GY/T 170-2001 Cable Digital TV Broadcasting Channel Coding and Modulation Specification GY/T 180-2001 Technical Specifications of Physical Transmission Channels for HFC Networks YD/T 1076-2000 Access Network Technical Requirements--Cable Modem (CM) ISO /IEC 10038 Information technology-Telecommunications and information exchange between systems-Local area network-Media access control (MAC) bridge IEC 60728-11 TV and sound signal cable distribution systems-Part 11 Safety ITU-T Z.100 Specification and Description Language (SDL) 3 Terms, definitions and abbreviations 3.1 Terms and definitions The following terms and definitions apply to this section. 3.1.1 Active service flow Obtain traffic flows from the CM to the CMTS that are available for packet transmission. 3.1.2 Address resolution protocol (ARP) IETF protocol for network address translation to 48-bit Ethernet address. 3.1.3 Allowed service flow A preset or dynamically notified service flow. The service flow has been authorized and reserved resources, but has not been activated. 3.1.4 Authorization module An abstract module that enables the CMTS to contact this module to authorize traffic flows and classifiers. Authorization module notifies CMTS, requesting CM Whether the requested resource authorization is obtained. 3.1.5 Availability In cable television systems, availability is based on the assumed bit error rate (BER). Ratio of time (expressed as a percentage). 3.1.6 Bandwidth allocation map The CMTS is used to allocate MAC layer management messages to CMs. 3.1.7 Bridge protocol data unit (BPDU) Spanning tree protocol messages according to ISO /IEC 10038. 3.1.8 Broadcast addresses Indicate the intended destination address of all data network service access points. 3.1.9 Burst error second Any error seconds including at least 100 errors. 3.1.10 Cable modem (CM) User-side modem for data communication on a cable TV system. 3.1.11 Cable modem termination system (CMTS) It is located at the front end of the cable television system or distribution hub. It provides complementary functions to the CM to establish a data connection with the WAN. 3.1.12 CMTS- network side interface cable modem termination system – network side interface (CMTS-NSI) Interface between the CMTS and its network-side equipment. 3.1.13 Cable modem to CPE Interface (CMCI) Interface between CM and CPE. 3.1.14 Classifier A set of packet matching criteria based on TCP, UDP, IP, LLC, and/or 802.1P/Q packet fields. Classifier takes each number Packets are mapped to a business flow. CMTS uses downlink classifier to distribute data packets to downstream service flows, CM uses uplink classifier to distribute data packets Assigned to upstream traffic. 3.1.15 Customer premises equipment (CPE) Device on the end user side. 3.1.16 Data link layer In the second layer of the Open System Interconnection (OSI) structure, this layer provides services for transmitting data on the transmission link between open systems. 3.1.17 Distribution hub Located in the cable television network, it performs front-end functions to local users in the area, and receives the front-end department from the main Divide or all TV show sources. 3.1.18 Dynamic host configuration protocol (DHCP) Internet protocol used to assign network layer (IP) addresses. 3.1.19 Dynamic range The ratio of the maximum signal power to the minimum signal power. Maximum signal power refers to transmission on a multi-channel analog transmission system Signal power due to distortion and other performance limitations. Minimum signal power refers to those that can be used without exceeding noise, bit error rate, and other performance limits Signal power. 3.1.20 End user A person, organization, or communication system that accesses a network for communication through services provided by the network. 3.1.21 Errored second Any 1-second interval that includes at least one bit error. 3.1.22 Extended subsplit A frequency division scheme that allows bidirectional transmission of signals over a single coaxial cable. The frequency of the upstream channel signal at the front end is 5MHz To 65MHz, the frequency of the downlink channel signal at the front end is from 87MHz to the upper limit frequency. 3.1.23 Guard time The minimum time allocated between bursts in the uplink. Its reference point is from the symbol center of the last symbol of a burst to the next The symbol center of the first symbol of the burst. The guard time should be at least 5 symbols plus the maximum system timing error. 3.1.24 Frontend At the heart of the cable television network, it is responsible for sending broadcast television signals and other signals in the downward direction. See also main front end or Distribution center. 3.1.25 Information element Domains that constitute a MAP, define individual authorizations, deferred authorizations, and so on. 3.1.26 Interval usage code A field in MAP and UCD that is used to connect burst characteristics and authorization. 3.1.27 Latency The time, expressed as the number of symbols, is used to indicate the time that a signal unit passes through a device. 3.1.28 Layer A subdivision of the Open Systems Interconnection (OSI) structure, consisting of subsystems at the same level. 3.1.29 Logical link control (LLC) procedure In a local area network or metropolitan area transmission network, a protocol for managing the assembly of data link layer frames and the data exchange between data stations. It has nothing to do with how the transmission medium is shared. 3.1.30 Master headend A front end, which collects TV program sources from different sources through satellite, microwave, optical fiber and other means, and divides these program sources into To the distribution center (Hub) in the same city or region. In its immediate vicinity, a main front end may also perform distribution centers for customers Functions. 3.1.31 Media address control (MAC) address The built-in hardware address of a device connected to a shared medium. 3.1.32 Media access control (MAC) procedure In a subnet, a protocol that manages access to a transmission medium that is independent of the physical characteristics of the medium, but in order to be able to exchange between nodes Data, you need to consider the topology of the subnet. The MAC process includes framing, error protection, and the right to use the underlying transmission medium. 3.1.33 Media access control (MAC) sublayer Part of the data link layer, which relies on topology functions and uses physical layer services to provide services to the logical link sublayer. 3.1.34 Mini-slot A minislot is an integer multiple of 6.25µs increments. The relationship between mini-slots, bytes and time ticks is described in 8.3.4. 3.1.35 Multipoint access A single network terminal supports user access from more than one terminal device. 3.1.36 Multipoint connection A connection between two or more data network terminals. 3.1.37 Network layer The third layer of the Open Systems Interconnection (OSI) structure provides services for establishing channels between open systems. 3.1.38 Network management Functions related to the management of data link layer and physical layer resources and their stations on the data network supported by the HFC system. 3.1.39 Organizationally unique identifier (OUI) Is an identifier of three 8-bit groups assigned by the IEEE. According to IEEE 802, a universal LAN MAC address and protocol identifier are generated to For use in LAN and MAN applications. 3.1.40 Packet identifier (PID) A unique integer value identifying the elementary stream of a program in the MPEG-2 stream of a single or multiple programs. 3.1.41 Partial grant An authorization with less bandwidth than the CM requests. 3.1.42 Payload header suppression (PHS) Header suppression in payload packets (for example, Ethernet header suppression in forwarded packets). 3.1.43 Payload unit start indicator (PUSI) A flag in the MPEG header. A value of 1 indicates that the pointer field exists and is the first byte of the payload. 3.1.44 Physical (PHY) layer The first layer of the Open Systems Interconnection (OSI) structure. This layer provides services on transmission links between open systems to transfer bits or Bit groups, and this layer specifies the various electrical, mechanical, and handshake processes in detail. 3.1.45 Physical media dependent (PMD) sublayer A sublayer of the physical layer, which involves the transmission of bits or groups of bits over specific transmission links between open systems, and this layer specifies the Various electrical, mechanical, and handshake processes are defined. 3.1.46 Primary service flow All CMs have a basic uplink service flow and a basic downlink service flow. They ensure that the CM is always manageable and Forwarded packets that are not classified into any other service flow provide a default channel. 3.1.47 Provisioned service flow A service flow has been preset as part of the registration process, but has not yet been activated or allowed. Before allowing it, it may Can still need to exchange authorization with a policy module or external policy server. 3.1.48 QoS parameter set A set of service flow codes describing the quality of service attributes of a service flow or a service category, see Appendix C.2.2.5. 3.1.49 Routing information protocol (RIP) An IETF protocol is used to exchange routing information between IP networks and subnets. 3.1.50 Service access point (SAP) The location of a point that provides services from a layer or sublayer to the immediately preceding layer. 3.1.51 Security association identifier An encrypted security identifier between the CMTS and the CM 3.1.52 Service class A set of queuing and scheduling attributes named and configured in the CMTS. Business categories are identified by business category names. One business category has Related QoS parameter set. 3.1.53 Service class name An ASCII string that references the business category in the CM configuration file and protocol exchange. 3.1.54 Service data unit (SDU) Information transmitted as a unit between peer-to-peer service access points. 3.1.55 Service flow A MAC layer transmission service. • Provide one-way data packet transmission from upper-level business entities to RF; • Shaping, policing, and prioritizing traffic based on the QoS traffic parameters defined for the service flow. 3.1.56 Service flow identifier (SFID) The identifier assigned to the service flow by the CMTS. The length is 32 bits. 3.1.57 Service identifier (SID) Assigned by the CMTS to an activated or permitted uplink service flow, a service flow identifier other than the service flow identifier (SFID), long The degree is 14 bits. 3.1.58 Service flow reference A message parameter in the configuration file and dynamic service MAC message, used to classify the classifier and other objects in the message with the requested service The business flow coding of the business flow is linked. 3.1.59 Sublayer Subdivision of a layer in the Open Systems Interconnection (OSI) reference model. 3.1.60 Subnetwork It is the physical connection of adjacent nodes and transmission links. 3.1.61 Subnetwork access protocol (SNAP) An extension of the LLC packet header so that 802-type networks can be used as IP networks. 3.1.62 Time tick The 6.25µs time interval is used as a reference for the definition of the uplink microslot and the uplink transmission time. 3.1.63 Transit delay The time difference between the first bit of a PDU passing a specified boundary and the last bit of the same PDU passing a second specified boundary. 3.1.64 Transmission convergence sublayer A sublayer of the physi......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GY/T 200.2-2004_English be delivered?

Answer: Upon your order, we will start to translate GY/T 200.2-2004_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GY/T 200.2-2004_English with my colleagues?

Answer: Yes. The purchased PDF of GY/T 200.2-2004_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.