OFDM

This is known as OFDM – orthogonal frequency division multiplexing.

My bright idea: Light bulbs can be used to transmit data Robin McKie 2010

The ITU considers 4G technologies to be wireless technologies that offer theoretical download speeds of 100Mbps, and it requires the technology be based on something called OFDM, or orthogonal frequency-division multiplexing.

CNET News.com 2010

They tested Clearwire's OFDM, which is similar to 'WiMax'

Medlogs - Recent stories 2008

Meanwhile, different alternative hybrid schemes such as OFDM / OFDMA, MC-TDMA, etc. have been deeply analysed and adopted in different international standards (ETSI-BRAN, IEEE-802 & MMAC).

AvaxHome RSS: 2009

The sub-6 GHz radios present a new level of reliability and ease of installation, delivering high capacity of up to 100 Mbps and long range of up to 75 miles, with advanced technologies such as OFDM and MIMO inside.

unknown title 2009

Before IEEE 802.16 developed the OFDM plus MIMO technologies as a major contender called WiMAX, there was no LTE.

Sprint Evaluating LTE Equipment 2009

In the early 1990s, the broadcast lobby saw Europe's HDTV OFDM transmission standard as a political threat and dissed it with bogus research.

J.H. Snider: The Broadcast Industry's Free TV Scam Redux J.H. Snider 2011

Also, a company in San Diego let the world know years ago that they have $800 million reasons to lay claim to OFDM mobility and such.

4G Wireless WiMAX Coming to Silicon Valley….Finally 2009

All of the statistical fairy tales about the economy told in Parliament were a source of puzzlement and amusement for Mr. Bulcha Demekssa, the leader of the Oromo Federalist Democratic Party (OFDM) and former vice-minister of finance and senior official at various international institutions.

Alemayehu G. Mariam: Ethiopia: The Voodoo Economics of Meles Zenawi 2010

All of the statistical fairy tales about the economy told in Parliament were a source of puzzlement and amusement for Mr. Bulcha Demekssa, the leader of the Oromo Federalist Democratic Party (OFDM) and former vice-minister of finance and senior official at various international institutions.

Ethiopia: The Voodoo Economics of Meles Zenawi 2010