Nokia Solutions and Networks Oy

Xiang Nian Zeng

Bin Li

Bo Bi

Methods and apparatuses in a communication system, are provided. The solution comprises controlling () a connection to a user terminal having connections to more than one cell for carrier aggregation, controlling () transmission of signalling to the user terminal to use maximum allowable number of bits of hybrid automatic request feedback in transmission of positive and negative acknowledgements to more than one aggregated cell, controlling () reception of feedback bits from the user terminal, the feedback bits comprising positive and negative acknowledgements related to user terminal connections with the more than one aggregated cell, decoding () and processing feedback bits related to the connections controlled by the apparatus and transmitting () feedback bits related to other connections to respective cell.

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Zhejiang, China

Xiang Nian Zeng