en.wikipedia.org/wiki/Orthogonal_frequency-division_multiplexing

Orthogonal frequency-division multiplexing (OFDM) is a method of encoding
digital data on ... The OFDM based multiple access technology OFDMA is also
used in several 4G and ... In OFDM, the sub-carr...

rfmw.em.keysight.com/wireless/helpfiles/89600B/WebHelp/Subsystems/wlan-ofdm/content/ofdm_basicprinciplesoverview.htm

OFDM is based on the well-known technique of Frequency Division ... systems,
the subcarriers will interfere with each other only if there is a loss of orthogonality.

www.radio-electronics.com/info/rf-technology-design/ofdm/ofdm-basics-tutorial.php

All the essentials of OFDM, Orthogonal Frequency Division Multiplexing: what is
OFDM, ... RF Technology & Design ... This means that not all the data is lost.

www.eionwireless.com/ofdm-advanced-ss

Orthogonal Frequency Division Multiplexing (OFDM) is a multi carrier ... The first
systems using this technology were military HF radio links. Today ... In any real
implementation, however, several factors will cause a certain loss in
orthogonality. ... This means that only highly linear, low efficiency RF amplifiers
can be used.

www.ice.rwth-aachen.de/research/algorithms-projects/ofdm/ofdm-and-the-orthogonality-principle/

The Institute for Communication Technologies and Embedded Systems (ICE) is ...
In OFDM the subcarrier pulse used for transmission is chosen to be rectangular.
... This means they both must assume exactly the same modulation frequency ...
by the guard interval we lose some parts of the signal that cannot be used for ...

www.phonescoop.com/glossary/term.php?gid=303

OFDM. Orthogonal Frequency Division Multiplexing OFDM is a technology used
... to be transmitted quickly and reliably, with a minimum of loss or interference.

adinotelecom.com/pdf/C__Users_Gateway_AppData_Local_Temp_Wide-Band_Orthogonal_Frequency_Multiplexing_(W-OFDM)_Technical[1].pdf

Introduction. Orthogonal Frequency Division Multiplexing (OFDM) is a ... systems
using this technology were military HF radio links. Today, this ... several factors
will cause a certain loss in orthogonality. ... This means that only highly linear,
low ...

content.schweitzer-online.de/static/catalog_manager/live/media_files/representation/zd_std_orig__zd_schw_orig/014/325/306/9781441906724_foreword_pdf_1.pdf

forming cyclic convolution, which provides orthogonality over dispersive
channels ... ing CP causes loss of signal energy proportional to length of CP
compared to ... Digital audio broadcasting (DAB) was the first commercial use of
OFDM tech- ... Reducing the effect of ISI yields an easier equalization, which in
turn means.

searchnetworking.techtarget.com/definition/orthogonal-frequency-division-multiplexing

Sep 7, 2016 ... This means symbols sent in the substreams are longer and spaced farther ...
OFDM technology was first conceived of in the 1960s and 1970s ...

mobiledevdesign.com/learning-resources/orthogonal-frequency-division-multiplexing-ofdm-faq-tutorial

Apr 22, 2009 ... Q: What are some of the wireless technologies that use OFDM? A: The list is long
... Orthogonal really means at a right angle to. The signals are ...