(Editor's note: This popular feature article, which was first published May 2007, is being republished in response to its great popularity and the likelihood that the 802.11n spec will be ratified in ...
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 ...
Multiple antenna schemes are becoming a key part in almost every new wireless standard. For example, the UMTS/W-CDMA standard uses transmit diversity to improve the link quality in outdoor ...
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