FIELD: radio engineering, communication.
SUBSTANCE: invention relates to wireless communication systems and more specifically to feedback relating to retransmission. Described are systems and techniques that facilitate indicating feedback parameters for multiple single carrier assignments, multicarrier assignments, etc., according to single carrier-frequency division multiple access (SC-FDMA), relaxed SC-FDMA, etc. Feedback in relaxed SC-FDMA can be bundled by a mobile device to save power. Also, a downlink assignment indicator (DAI) can be used to detect and indicate lost grants.
EFFECT: improved feedback resource utilisation owing to dynamic allocation of said resources based on power requirements.
34 cl, 16 dwg
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