The glossary contains terms and acronyms that are used in this document.

Application Programming Interface (API)

A language and message format used by an application program to communicate with an operating system, application, or other service.


Carrier Frequency Offset (CFO)

The frequency offset from the expected carrier wave frequency or channel center frequency.


Complementary Code Keying (CCK)

A modulation scheme used with wireless networks that follow the IEEE 802.11b specification amendment.


Cyclic Redundancy Check (CRC)

An error-detecting code commonly used in digital networks and storage devices to detect accidental changes to digital media.


Device Under Test (DUT)

A manufactured product undergoing testing.


Direct-sequence Spread Spectrum (DSSS)

A spread-spectrum modulation technique primarily used to reduce overall signal interference.


Error Vector Magnitude (EVM)

A measure used to quantify the performance of a digital radio transmitter or receiver.


Microcontroller Unit (MCU)

A small computer on a single metal-oxide-semiconductor integrated circuit chip.


Microprocessor Unit (MPU)

A computer processor where the data processing logic and control is included on a single integrated circuit or a small number of integrated circuits.


Orthogonal Frequency Division Multiplexing (OFDM)

A type of digital transmission and a method of encoding digital data on multiple carrier frequencies.


One Time Programmable (OTP) memory

A type of non-volatile memory that permits data to be written to memory only once.

OTP memory

Packet Error Rate (PER)

The number of incorrectly received data packets divided by the total number of received packets.


Printed Circuit Board (PCB)

A board that connects electronic components.


Quad Serial Peripheral Interface (QSPI)

A Serial Peripheral Interface (SPI) controller that allows the use of multiple data lines.


Spectrum Analyzer (SA)

An instrument that measures the magnitude of an input signal versus frequency within the full frequency range of the instrument.


Spectral Emission Mask (SEM)

A spectrum mask where the spectrum emissions should not be higher at any frequency offset than the values specified in the mask.


Serial Peripheral Interface (SPI)

Synchronous serial communication interface specification used for short-distance communication.


System on Chip (SoC)

A microchip that integrates all the necessary electronic circuits and components of a computer or other electronic systems on a single integrated circuit.


Vector Signal Analyzer (VSA)

A signal analyzer capable of analyzing digitally-modulated radio signals that may use any of a large number of digital modulation formats.


Vector Signal Generator (VSG)

A signal generator capable of generating digitally-modulated radio signals that may use any of a large number of digital modulation formats.


Virtual Network Interface (VIF)

An abstract virtualized representation of a computer network interface that may or may not correspond directly to a network interface controller.