Space-Time Wireless Channels

Appendix D. Glossary

Mathematical Symbols and Conventions

x

real (passband)

X

Fourier transform

x^–1

inverse function

dx, ∂x

partial

||x||

nearest integer

⌈x⌉

ceiling (closest integer ≥ x)

⌊x⌋

floor (closest integer ≤ x)

first derivative

nth derivative

first time derivative

complex (baseband)

arg{}

argument (phase) of

||

magnitude (envelope)

vector

unit vector

scalar product ...