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Control information transmission method and sending and receiving device

Abstract(summary):

Disclosed are a method for transferring control information, a transmitting device and a receiving device, the method includes that: a transmitting end orderly selects an element yn or two elements y2m−1, y2m, from a sequence Y to be modulated corresponding to control information B newly added, then it selects pairing elements x2p−1, x2p from a sequence X to be modulated corresponding to related control information A, and groups yn or y2m−1, y2m and the x2p−1, x2p into an element group (x2p−1, x2p, yn) or (x2p−1, x2p, y2m−1, y2m) and maps (x2p−1, x2p, yn) or (x2p−1, x2p, y2m−1, y2m) as specified constellation points of a specified constellation diagram, and takes the constellation points as modulation symbols; it takes each two elements in the elements of the sequence X which are not used for pairing as an element group to perform QPSK modulation, modulating into QPSK modulation symbols; and it maps the constellation points and the QPSK modulation symbols to part of or all resources occupied by a corresponding control channel to be transmitted.


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