Table 3 List of common acronyms and abbreviations

AF

Amplify and forward

AFD-DFE

Adaptive frequency domain decision feedback equalizer

AOD

Angle of departure

BER

Bit error rate

CE

Channel estimation

Comp

Compensation

CFO

Carrier frequency offset

CP

Cyclic prefix

CSI

Channel state information

DoA

Direction of arrival

DF

Decode and forward

DL

Direct link

DLC-SFC

Distributed linear convolutional space frequency code

DLC-STC

Distributed linear convolutional space time coding

DSFBC

Distributed space frequency block coding

DSTBC

Distributed space time block coding

DSTC

Distributed space time coding

Est

Estimation

FBMC

Filter bank multi-carrier

FDE

Frequency domain equalization

FDMA

Frequency division multiple access

FD-S³

Frequency domain-spread spectrum system

FFT

Fast Fourier transform

Freq. flat

Frequency flat

Freq. sel.

Frequency selective

GD-S³

Gabor division-spread spectrum system

HetNet

Heterogeneous network

IFFT

Inverse fast Fourier transform

IFO

Integer frequency offset

IQ

In-phase quadrature-phase

IR

Impulse radio

MAI

Multiple access interference

MB-OFDM

Multiband-OFDM

MC

Multi-carrier

MCFOs

Multiple carrier frequency offsets

MISO

Multiple-input single-output

MTOs

Multiple timing offsets

N/A

Not applicable

OSTBC

Orthogonal space time block coding

OWRN

One-way relaying network

PHN

Phase noise

PUs

Primary users

req.

Required

Rx

Receiver

SC

Single carrier

SCO

Sampling clock offset

SDR

Software defined radio

SFBC

Space frequency block coding

SFCC

Space frequency convolution coding

SFO

Sampling frequency offset

SIMO

Single-input multiple-output

STC

Space time coding

TD-LTE

Time division Long-Term Evolution

TH

Time hopping

TR-STBC

Time reversal space time block code

TO

Timing offset

TS

Training sequence

TWR

Two-way ranging

TWRN

Two-way relaying network

Tx

Transmitter

UFMC

Universal filtered multi-carrier

WSN

Wireless sensor network