• Zach Pfeffer

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


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]

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