This document has been composed to provide an authoritative reference on acronyms and abbreviations used in Powertec documentation. The definitions have been compiled with reference to IEEE and ETSI documents, where applicable.
- ETSI Telecom Terms and Definitions Database[1]
- IEC 60027-2:2005, Letter symbols to be used in electrical technology, Part 2: Telecommunications and Electronics[2]
- ETSI TR 121 905, Vocabulary for 3GPP Specifications[3]
- oneM2M Technical Report - Protocol Analysis[4]
Acronyms & Abbreviations
| Abbreviation | Term | Notes |
|---|---|---|
| 6LOWPAN | IPv6 over Low power Wireless Personal Area Networks | IoT concept |
| 8PSK | Eight Phase Shift Keying | Digital modulation technique |
| 16PSK | 16 Phase Shift Keying | Digital modulation technique |
| 16QAM | 16 Quadrature Amplitude Modulation | Digital modulation technique |
| 3GPP | 3rd Generation Partnership Project | See: http://www.3gpp.org/ |
| 64QAM | 64 Quadrature Amplitude Modulation | Digital modulation technique |
| 256QAM | 256 Quadrature Amplitude Modulation | Digital modulation technique |
| AAS | Adaptive Antenna System | |
| ac | alternating current | Must be written lowercase. Can be combined with other units, e.g. Vac. |
| ACIR | Adjacent Channel Interference Ratio | Signal measurement |
| ACLR | Adjacent Channel Leakage Ratio | Signal measurement |
| ACS | Adjacent Channel Selectivity | Signal measurement |
| ADSL | Asymmetric Digital Subscriber Line | Copper broadband access technology, speeds up to 12 Mbps |
| ADSL2+ | Asymmetric Digital Subscriber Line 2+ | Copper broadband access technology, speeds up to 24 Mbps |
| AGC | Automatic Gain Control | Wireless communication technology |
| AIPN | All-IP Network | |
| AM | Amplitude Modulation | Digital modulation technique |
| AMC | Adaptive Modulation and Coding | Wireless communication technology |
| AP | Access Point | |
| APC | Automatic Power Control | Can also refer to Adaptive Power Control (Synonymous) |
| API | Application Programming Interface | |
| APN | Access Point Name | Used in E-/UTRA data communications as an identifier |
| ARFCN | Absolute Radio Frequency Channel Number | |
| ARPU | Average Revenue Per User | Total revenue divided by total users, typically on a monthly basis |
| ARQ | Automatic Repeat and reQuest | Wireless communication technology |
| ASCI | American Standards Compliance Institute | |
| ASK | Amplitude Shift Keying | Digital modulation technique |
| assoc. | association | |
| ATPC | Automatic Transmit Power Control | Wireless communication technology |
| avg. | average | |
| AWG | American Wire Gauge | |
| BCCH | Broadcast Control Channel | E-/UTRA logical channel |
| BCH | Broadcast Channel | E-/UTRA transport Channel |
| BDC | binary coded decimal | |
| Bd | baud | |
| BER | Bit Error Rate | Signal measurement |
| BLE | Bluetooth Low Energy | WPAN technology |
| BLER | Block Error Rate | Signal measurement |
| BPF | Band-Pass Filter | Electronic filter |
| bps | bits per second | Data rate, abbreviation of b/s or bit/s |
| BPSK | Binary Phase Shift Keying | Digital modulation technique |
| BSO | Broadband Service Obligation | |
| BTS | Base Transceiver Station | |
| CA | Carrier Aggregation | See: http://www.3gpp.org/Carrier-Aggregation-explained |
| CCCH | Common Control Channel | E-/UTRA logical channel |
| CCH | Control Channel | |
| CCI | Co-Channel Interference | |
| CDF | Cumulative Distribution Function | |
| CDM | Code Division Multiplexing | Radio multiplexing technique |
| CDMA | Code Division Multiple Access | Radio channel access method |
| CDN | Content Delivery Network | Distributed servers that host content, accessible via the internet. |
| ChS | Channel Separation | |
| CIP | Common Industrial Protocol | Industrial networking messaging protocol |
| CNAS | China National Accrediation Service | Certification body. See: https://www.cnas.org.cn |
| CO | Connected Object | |
| CoAP | Constrained Application Protocol | IoT transfer protocol |
| CPE | Customer Premises Equipment | |
| CPICH | Common Pilot Channel | UTRA downlink pilot channel |
| CSS | Chirp Spread Spectrum | Spread spectrum technique |
| dc | direct current | Must be written lowercase. Can be combined with other units, e.g. Vdc. |
| DC-HSPA+ | Dual Carrier High Speed Packet Access Evolution | 3G data service providing up to 42 Mbps DL data rates |
| DCCH | Dedicated Control Channel | E-/UTRA logical channel |
| deg. | degree | |
| DL-SCH | Downink Shared Channel | E-/UTRA transport channel |
| DPCH(DL) | Dedicated Physical Channel in the Downlink | UTRA physical channel |
| DPCH(UL) | Dedicated Physical Channel in the Uplink | UTRA physical channel |
| DRX | Discontinuous Reception | Power conservation technique |
| DS-CDMA | Direct-Sequence Code Division Multiple Access | Radio multiple access method |
| DSSS | Direct Sequence Spread Spectrum | Digital modulation technique |
| DTCH | Dedicated Traffic Channel | E-/UTRA logical channel |
| EAP | Extensible Authentication Protocol | Method of authentication |
| Eb/No | Bit Energy-to-Noise Density | |
| Ec/Io | Chip Energy-to-Noise Density plus Interference | |
| ECC | Envelope Correlation Coefficient | Antenna characteristic |
| EDGE | Enhanced Data rates for GSM Evolution | See: http://www.3gpp.org/GPRS-EDGE |
| eDRX | Extended Discontinuous Reception | Power conservation technique |
| EHF | Extremely High Frequency | Frequency band |
| EIA | Electronic Industry Association | |
| EIRP | Effective Isotropically Radiated Power | |
| ELF | Extremely Low Frequency | Frequency band |
| EMI | Electromagnetic Interference | |
| eNodeB | Evolved Node B | E-UTRA access node |
| EPC | Evolved Packet Core | Core of the EPS network. |
| EPS | Evolved Packet System | Comprises of EPC and E-UTRAN. |
| ERP | Effective Radiated Power | |
| etc. | Et cetera | |
| ETSI | European Telecommunications Standard Institute | See: http://www.etsi.org/ |
| E-UTRA | Evolved Universal Terrestrial Radio Access | Also known as LTE or 4G |
| E-UTRAN | Evolved Universal Terrestrial Radio Access Network | |
| EV-DO | Evolution Data Only | 3G cellular technology. Also known as 1xEV-DO |
| FACH | Forward Access Channel | UTRA transport channel |
| FDD | Frequency Division Duplex | |
| FDM | Frequency Division Multiplexing | Radio multiplexing technique |
| FDMA | Frequency Division Multiple Access | Radio multiple access method |
| FEC | Forward Error Correction | |
| FER | Frame Erasure Rate | |
| FH-CDMA | Frequency Hopping-Code Division Multiple Access | Radio multiple access method |
| FM | Frequency Modulation | Digital modulation technique |
| FSK | Frequency Shift Keying | Digital modulation technique |
| FTTC | Fiber To The Cabinet | Termination to cabinet near customer premises |
| FTTP | Fiber To The Premise | Termination at the customer premises |
| FW | Firmware | |
| GEO | Geostationary Earth Orbit | Satellite orbital period equal to the Earth's rotational period |
| GIS | Geographic Information System | |
| GLONASS | Global Navigation System | Russian technology similar to GPS |
| GPS | Global Positioning System | |
| GPRS |
General Packet Radio Service |
See: http://www.3gpp.org/GPRS-EDGE |
| GSM | Global System for Mobile communications | Also known as 2G |
| GUI | Graphical User Interface | |
| HF | High Frequency | Frequency band |
| HPBW | Half Power BeamWidth | Antenna characteristic |
| HPF | High Pass Filter | Electronic filter |
| HSPA | High Speed Packet Access | 3G data service comprising HSDPA and Enhanced Uplink technologies |
| HSPA+ | High Speed Packet Access Evolution | 3G data service providing up to 21 Mbps DL data rates |
| HTML | HyperText Markup Language | |
| HW | Hardware | |
| ID | Inner Diameter | |
| IEC | International Electrotechnical Commission | Standards body. See: http://www.iec.ch/ |
| IEEE | Institute of Electrical and Electronics Engineers | Professional body. See: http://www.ieee.org/ |
| IETF | Internet Engineering Task Force | Standards body. See: https://www.ietf.org |
| IF | Intermediate Frequency | |
| IIoT | Industrial Internet of Things | |
| IM | InterModulation | |
| IMD | InterModulation Distortion | Performance characteristic |
| IMEI | International Mobile Equipment Identity | |
| IMS | IP Multimedia core network Subsystem | Architectural framework for delivering IP multimedia services |
| IMSI | International Mobile Subscriber Identity | |
| IoT | Internet of Things | |
| IP | Internet Protocol | Networking protocol |
| IPv4 | Internet Protocol version 4 | Networking protocol |
| IPv6 | Internet Protocol version 6 | Networking protocol |
| IPSO | Internet Protocol for Smart Objects | |
| IR | InfraRed | |
| ISO | International Organization for Standardization | Standards body. See: www.iso.org |
| ISP | Internet Service Provider | |
| L1 | Layer-1 | Physical layer of OSI model |
| L2 | Layer-2 | Data-Link layer of OSI model |
| L3 | Layer-3 | Network layer of OSI model |
| L4 | Layer-4 | Transport layer of OSI model |
| LF | Low Frequency | Frequency band |
| ln | logarithm, natural | Mathematical operation |
| LNA | Low Noise Amplifier | Component of RF transmitter |
| LO | Local Oscillator | Component of RF transmitter |
| log | Logarithm | Mathematical operation |
| LoRaWAN | Long Range Wide Area Network | Type of wireless telecommunication network |
| LPF | Low Pass Filter | Electronic filter |
| LPDA | Log Periodic Dipole Array | Type of antenna design |
| LPWAN | Low Power Wide Area Network | Type of wireless telecommunication network |
| LTE | Long Term Evolution | Also known as E-UTRA. See: http://www.3gpp.org/LTE |
| LTE-A | Long Term Evolution - Advanced | Extension of E-UTRA. See: http://www.3gpp.org/LTE-Advanced |
| LTE-M | Long Term Evolution - Machine | Abbreviation of LTE-MTC |
| LTE-MTC | Long Term Evolution - Machine-Type Communication | Type of wireless telecommunication network |
| LWM2M | Light Weight Machine-to-Machine | IoT device management protocol |
| M2M | Machine-to-Machine | |
| MAC | Media Access Control (OSI layer 2 sublayer) | As defined in: IEEE Std 802-2001 |
| MCH | Multicast Channel | LTE transport channel |
| MCCH | Multicast Control Channel | LTE logical channel |
| MME | Mobility Management Entity | Control-node for LTE access network |
| MNO | Mobile Network Operator | |
| MQTT | MQ Telemetry Transport | ISO Standard messaging protocol |
| MVNO | Mobile Virtual Network Operator | |
| MTBF | Mean Time Between Failure | Mechanical performance metric |
| MTCH | Multicast Traffic Channel | LTE logical channel |
| NAT | Network Address Translation | |
| NB-Fi | Narrowband Fidelity | LPWAN IoT technology |
| NB-LTE-M | Narrow Band Long Term Evolution Machine | LTE-based IoT technology |
| NB-IoT | Narrow Band Internet of Things | DSSS-based IoT technology |
| NFC | Near Field Communication | |
| OD | Outer Diameter | |
| ODM | Original Equipment Manufacturer | |
| OEM | Original Design Manufacturer | |
| OFDM | Orthogonal Frequency Division Multiplexing | Radio multiplexing technique |
| OFDMA | Orthogonal Frequency Division Multiple Access | Radio channel access method |
| OMA | Open Mobile Alliance | Standards developer. See: http://openmobilealliance.org/ |
| OSI | Open Systems Interconnect | Communications model |
| OTA | Over The Air | |
| OVSF | Orthogonal Variable Spreading Factor | Used in spread spectrum technologies |
| PAM | Puse-Amplitude Modulation | Analog modulation technique |
| PAN | Personal Area Network | |
| PBCH | Physical Broadcast Channel | LTE physical data channel |
| P-CCPCH | Primary Common Control Physical Channel | UTRA physical channel |
| PCFICH | Physical Control Format Indicator Channel | LTE physical control channel |
| PCH | Paging Channel | E-/UTRA transport channel |
| PCCH | Paging Control Channel | E-/UTRA logical channel |
| PCM | Pulse Code Modulation | Analog-over-digital modulation technique |
| PCPICH | Primary Common Pilot Channel | UTRA downlink pilot channel |
| PDCCH | Physical Downlink Control Channel | LTE physical control channel |
| PDN | Packet Data Network | |
| PDSCH | Physical Downlink Shared Channel | E-/UTRA physical data channel |
| PF | Paging Frame | LTE frame |
| PHICH | Physical Hybrid ARQ Indicator Channel | LTE physical control channel |
| PHY | PHYsical (OSI layer 1) | As defined in: ISO/IEC 7498-1:1994 |
| PMCH | Physical Multicast Channel | LTE physical data channel |
| PN | Pseudo-random Noise | Spread-spectrum encoding. |
| PNBSCH | Physical Node B Synchronization Channel | UTRA physical channel |
| PO | Paging Occasion | LTE subframe |
| POP | Point Of Presence | |
| PPP | Point-to-Point Protocol | L2 protocol |
| PRACH | Physical Random Access Channel | E-/UTRA physical data channel |
| PSK | Phase Shift Keying | Digital modulation technique |
| PSK | Pre-Shared Key | Method of authentication |
| PSM | Power Saving Mode | LTE-M1 power conservation technique |
| PTMP | Point-to-MultiPoint | |
| PTP | Point-to-Point | |
| PUCCH | Physical Uplink Control Channel | LTE physical control channel |
| PUSCH | Physical Uplink Shared Channel | LTE physical data channel |
| QAM | Quadrature Amplitude Modulation | Digital modulation technique |
| QoS | Quality of Service | |
| RAN | Radio Access Network | |
| RACH | Random Access Channel | E-/UTRA transport channel |
| rel. | Release | |
| RF | Radio Frequency | |
| RFID | Radio Frequency IDentification | |
| RL | Return Loss | Antenna/ancillary electrical characteristic |
| RLAN | Radio Local Area Network | |
| R-PDCCH | Relay Physical Downlink Control Channel | LTE physical control channel |
| RPE | Radiation Pattern Envelope | Antenna characteristic |
| RPMA | Random Phase Multiple Access | IoT channel access method |
| RS232 | Recommended Standard 232 | Refers to serial communication |
| RSCP | Received Signal Code Power | Signal measurement |
| RSL | Receive Signal Level | Signal measurement |
| RSRP | Reference Signal Received Power | Signal measurement |
| RSSI | Received Signal Strength Indicator | Signal measurement |
| Rx | Receive | Inbound, to device |
| SAE | System Architecture Evolution | Core network architecture of LTE |
| SAF | Store And Forward | |
| SAW | Surface Acoustic Wave | |
| S-CCPCH | Secondary Common Control Physical Channel | UTRA physical channel |
| SHCCH | Shared Control Channel | UTRA logical channel |
| SINR | Signal to Interference plus Noise Ratio | Signal measurement |
| SIM | Subscriber Identity Module | |
| SLA | Service Level Agreement | |
| SLL | Side Lobe Level | Antenna parameter |
| SLR | Side Lobe Ratio | Antenna parameter |
| SNR | Signal to Noise Ratio | Signal measurement |
| TCM | Trellis Coded Modulation | Digital modulation technique |
| TCP | Transmission Control Protocol | Networking protocol |
| TDM | Time Division Multiplexing | Radio multiplexing technique |
| TDMA | Time Division Multiple Access | Radio channel access method |
| TIA | Telecommunications Industry Association | Standards body. See: www.tiaonline.org |
| Tx | Transmit | Outbound, from device |
| U-NII | Unlicensed National Information Infrastructure (UNII) | Radio frequency band |
| UDP | User Datagram Protocol | Networking protocol |
| UE | User Equipment | |
| UHF | Ultra High Frequency | Frequency band |
| UMTS | Universal Mobile Telecommunication System | Also known as UTRA |
| UNB | Ultra Narrow Band | Modulation technology |
| UL-SCH | Uplink Shared Channel | LTE transport channel |
| USO | Universal Service Obligation | Mandated requirement to provide service to entire population |
| VHF | Very High Frequency | Frequency band |
| VM | Virtual Machine | |
| VoIP | Voice over Internet Protocol | Voice communications protocol |
| VPN | Virtual Private Network | Private over public network protocol |
| VSAT | Very Small Aperture Terminal | Compact satellite terminal |
| VSWR | Voltage Standing Wave Ratio | |
| WAN | Wide Area Network | |
| WiMAX | Worldwide Interoperability for Microwave Access | Fixed wireless access technology |
| WISP | Wireless Internet Service Provider | |
| WLAN | Wireless Local Area Network | |
| WSN | Wireless Sensor Network | |
| XPD | Cross-Polar Discrimination | Antenna performance characteristic |
References
- ETSI, TErms and Definitions Database Interactive (TEDDI), [Online], Available: http://webapp.etsi.org/Teddi/
- IEC TC 25, "IEC 60027-2:2005 Letter symbols to be used in electrical technology - Part 2: Telecommunications and electronics", Intl. Electr. Comm., Geneva, Switzerland, 25/298/FDIS, Aug. 2005.
- 3GPP SP-72, "Vocabulary for 3GPP Specifications (Release 13)", 3GPP, Valbonne, France, 3GPP TR 21.905 V13.1.0, Jun. 2016.
- oneM2M Partners Type 1, "Technical Report - Protocol Analysis", oneM2M, TR-0009 v0.7.0, Jun. 2014.