As more high-speed amplifier applications deal with communication systems, wired or wireless, a brief introduction and overview of orthogonal frequency division multiplex (OFDM) is necessary. With a ...
下の図は、OFDMの変調・復調の大まかなブロックダイアグラムです。これは、広く情報が公開されている802.11a無線LANのものをベースに作った図です。実際には、インターリーブなど他にも処理が入るのですが、ここではOFDMの概念を説明するために省略して ...
Over the past year I’ve been writing about potential transmission standards for a nextgeneration broadcast platform (NGBP). The most promising standards are all based on orthogonal frequency division ...
OFDM is a technique used in modern broadband wireless communications systems. To mitigate the effect of dispersive channel distortion in high data rate OFDM systems, CP is introduced to eliminate ...
In last month’s column I described the principles behind OFDM, how it is generated and received and different parameters that can be adjusted to optimize the transmission for different uses. This ...
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