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Decoded Channel Bits Interface is defined between ____ functional block and ____ functional block.

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Decoded Channel Bits Interface is defined between ____ functional block and ____ functional block.

(a) antenna, RF/IF

(b) RF/IF, modem

(c) modem, INFOSEC

(d) INFOSEC, bitstream

The question was asked in final exam.

My question is from Smart Antenna in section Smart Antenna & Software Component Characteristics of Cognitive Radio

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Correct option is (c) modem, INFOSEC

Easy explanation: The process of digital to analog conversion, filtering add noise to signals. To mitigate this condition, an interface is introduced between the smart antenna and the core base station. Decoded Channel Bits Interface is defined betweenmodem functional block and INFOSEC functional block.

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