Orthogonal frequency division multiplexing

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Generalization of Orthogonal Frequency Division Multiplexing With Index Modulation

IEEE Transactions on Wireless Communications, 2015
Recently, orthogonal frequency division multiplexing (OFDM) with index modulation (OFDM-IM) was proposed. By selecting a fixed number of subcarriers as active subcarriers to carry constellation symbols, the indices of these active subcarriers may carry additional bits of information.
Rui Fan, Ya Jun Yu, Yong Liang Guan 0001
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Orthogonal Frequency Division Multiplex (OFDM)

2004
Almost from the beginning of the electrical transmission of messages about 100 years ago, single-carrier methods have been used for transmitting information. The message to be transmitted is impressed on a sinusoidal carrier by applying analog amplitude, frequency or phase modulation techniques.
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Orthogonal Frequency Division Multiplexing Modelling

2021
This work is motivated by the need to understand the performance of Orthogonal Frequency Division Multiplexing (OFDM) and Filterbank Multicarrier (FBMC). Multicarrier techniques are widely being considered for the development of the telecommunication systems such as the Long Term Evolution (LTE) networks, 5th Generation (5G) and beyond.
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Orthogonal Frequency Division Multiplexing for IoT

2021
Arvind Kumar, Rajoo Pandey
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Orthogonal Chirp-Frequency Division Multiplexing