Abbreviations, Acronyms from CM-SP-PHYv3.1-I17-190917 and Notes

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This post provides the list of abbreviations and acronyms from the Data-Over-Cable Service Interface Specifications DOCSIS® 3.1 Physical Layer Specification CM-SP-PHYv3.1-I17-190917 (pages 30-33) from CableLabs®. It also lists a some notes next to select abbreviations and acronyms to help describe the system or interface a specific abbreviation or acronym names.

μs Microsecond

ANSI American National Standards Institute

AWGN Additive White Gaussian Noise

BCH Bose, Ray-Chaudhuri, Hocquenghem (Codes)

BER 1) Bit Error Ratio; 2) Bit Error Rate

BPSK Binary Phase Shift Keying

BW Bandwidth

CableLabs Cable Television Laboratories, Inc.

CEA Consumer Electronics Association

ceil Ceiling

CENELEC European Committee For Electrotechnical Standardization

CER Codeword Error Ratio

CL 1) Convergence Layer; 2) Cablelabs

CM Cable Modem [wiki]

CMCI Cable Modem-To-Customer Premises Equipment Interface [standard]

CMTS Cable Modem Termination System [wiki]

CNR Carrier To Noise Ratio

CP 1) Cyclic Prefix; 2) Complementary Pilot

CPD Common Path Distortion

CPE Customer Premises Equipment

CPU Central Processing Unit

CRC Cyclic Redundancy Check

CS Cyclic Suffix

CSO Composite Second Order

CTB Composite Triple Beat

CW 1) Continuous Wave; 2) Codeword

dB Decibel

dBc Decibel Carrier

dBmV Decibel Millivolt

dBr Decibel Reference

D3.1 DOCSIS Version 3.1

DCID Downstream Channel Identifier

DEPI Downstream External PHY Interface

DFT Discrete Fourier Transform

DHCP Dynamic Host Configuration Protocol

DLS DOCSIS Light Sleep (Mode)

DOCSIS Data-Over-Cable Service Interface Specifications

DOCSIS 1.x Data-Over-Cable Service Interface Specifications Version 1.0 or 1.1

DOCSIS 2.0 Data-Over-Cable Service Interface Specifications Version 2.0

DOCSIS 3.0 Data-Over-Cable Service Interface Specifications Version 3.0

DOCSIS 3.1 Data-Over-Cable Service Interface Specifications Version 3.1

DRFI DOCSIS Downstream Radio Frequency Interface Specification

DRW Dynamic Range Window

DS Downstream

DSG DOCSIS Set-Top Gateway [Interface Specification]

DTI DOCSIS Timing Interface [Specification]

DVB Digital Video Broadcasting [Project]

DVB-C2 “Digital Video Broadcasting (DVB); Frame Structure Channel Coding And Modulation For A Second

Generation Digital Transmission System For Cable Systems (DVB-C2)”

eDOCSIS Embedded Data-Over-Cable Service Interface Specifications

EM Energy Management [Message]

EMC Electromagnetic Compatibility

EN European Standard (Européen Norme)

EQAM Edge Quadrature Amplitude Modulation (Modulator)

ERMI Edge Resource Manager Interface (Specification)

ETSI European Telecommunications Standards Institute

FCC Federal Communications Commission

FDM Frequency Division Multiplexing

FDMA Frequency Division Multiple Access

FEC Forward Error Correction

FFT Fast Fourier Transform

FIR Finite Impulse Response

FR Fine Ranging

ft 1) Foot; 2) Feet

FTTH Fiber To The Home

GB (Chinese) National Standard (Guobiao)

GB/T (Chinese) Recommended National Standard (Guobiao Tuijian)

GD Group Delay

GDV Group Delay Variation

GF Galois Field

GHz Gigahertz

GT Guard Time

HFC Hybrid Fiber/Coax

HRC Harmonic Related Carriers

Hz Hertz

I In-Phase

ICI Inter-Carrier Interference

I-CMTS Integrated Cable Modem Termination System

ID Identifier

IDFT Inverse Discrete Fourier Transform

IEC International Electrotechnical Commission

IETF Internet Engineering Task Force

IFFT Inverse Fast Fourier Transform

IP Internet Protocol

IPDR Internet Protocol Detail Record

IPv4 Internet Protocol Version 4

IPv6 Internet Protocol Version 6

IR Initial Ranging

IRC Incremental Related Carriers

ISI Inter-Symbol Interference

ISO International Organization For Standardization

ITU International Telecommunication Union

ITU-T ITU Telecommunication Standardization Sector

kb Kilobit

kHz Kilohertz

L2VPN Layer 2 Virtual Private Network

LAN Local Area Network

LDPC Low-Density Parity Check

LFSR Linear Feedback Shift Register

LLR Log-Likelihood Ratio

log Logarithm

LSB Least Significant Bit

LTE Long Term Evolution

MAC Media Access Control

MAP Upstream Bandwidth Allocation Map

MB Message Block

MC Message Channel

M-CMTS Modular Cable Modem Termination System

MER Modulation Error Ratio

MHz Megahertz

MMM MAC Management Message

ms Millisecond

MSB Most Significant Bit

MSM Maximum Scheduled Minislots

Msym/s Megasymbols Per Second

MTC Multiple Transmit Channel (Mode)

MULPI MAC and Upper Layer Protocols Interface

mV Millivolt

NCP Next Codeword Pointer

NMS Network Management System

ns Nanosecond

NSI Network Side Interface

NTSC National Television System Committee

OFDM Orthogonal Frequency Division Multiplexing

OFDMA Orthogonal Frequency Division Multiple Access

OOB Out-Of-Band

OSSI Operations Support System Interface

P Pilot

PAPR Peak-To-Average Power Ratio

PDU Protocol Data Unit

PER Packet Error Ratio

PHY Physical Layer

pk-pk Peak-To-Peak

Pkt Packet

PLC PHY Link Channel

P-MAP Probe MAP

PN Pseudorandom Number

PRBS Pseudo-Random Binary Sequence

Pre-eq Pre-Equalization

ps Picosecond

PSD Power Spectral Density

Ptr Pointer

Q Quadrature

QAM Quadrature Amplitude Modulation

QC-LDPC Quasi-Cyclic Low-Density Parity Check

QoS Quality Of Service

QPSK Quadrature Phase Shift Keying

RC Raised Cosine

RCS Receive Channel Set

REQ Request

RF Radio Frequency

RFC Request For Comments

RFI Radio Frequency Interface

RFoG Radio Frequency Over Glass

RL Return Loss

RMS Root Mean Square

RP Roll-Off Period

R-S Reed-Solomon

RX 1) Receive; 2) Receiver

s Second

SAC Standardization Administration of The People’s Republic of China

S-CDMA Synchronous Code Division Multiple Access

SCN Signal-To-Composite Noise (Ratio)

SC-QAM Single Carrier Quadrature Amplitude Modulation

SCTE Society of Cable Telecommunications Engineers

SEC Security

SID Service Identifier

SNMP Simple Network Management Protocol

SNR Signal-to-Noise Ratio

STD Standard Frequencies

TCM Trellis Coded Modulation

TCS Transmit Channel Set

TDM Time Division Multiplexing

TDMA Time Division Multiple Access

TEI TDM Emulation Interface

TS Time Stamp

TV Television

TX 1) Transmit; 2) Transmitter

UCD Upstream Channel Descriptor

UGHB Under-Grant Hold Bandwidth

UGHU Under-Grant Hold Number of Users

UID Unique Identifier

URL Uniform Resource Locator

US Upstream

XOR Exclusive Or

XMOD Cross Modulation

ZBL Zero-Bit-Loaded or Zero Bit-Loading

References

  • CableLabs icon from [link]

  • DOCSIS® 3.1 Physical Layer Specification CM-SP-PHYv3.1-I17-190917 [link]