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# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

PUCCH Physical Uplink Control Channel

The E-UTRA PUCCH (Physical Uplink Control Channel) carries UCI (Uplink Channel Information) such as ACK/NAK's in response to downlink transmission, as well as CQI (Channel Quality Indicator) reports. It also carries scheduling request indicators and MIMO codeword feedback.
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