Apparatus, method and computer program product providing...

Details Apparatus, method and computer program product providing... Apparatus, method and computer program product providing...

2011-01-04

2011-01-04

Ngo, Ricky (Department: 2464)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C370S315000, C375S229000

Reexamination Certificate

active

07864738

ABSTRACT:
A method includes generating automatic repeat request feedback information at a first device in response to a downlink transmission from a second device; encoding the feedback information to comprise an indication of a number of streams received in the downlink transmission and transmitting encoded feedback information to the second device. Another method includes transmitting a multi-stream downlink transmission from a first device to a second device; receiving encoded hybrid automatic repeat request feedback information from the second device; decoding the received hybrid automatic repeat request feedback information at the first device; and determining from the encoding of the hybrid automatic repeat request feedback information at least a number of streams that were actually received by the device from the downlink transmission. A wireless link between the devices can be a 2×2 MIMO link. Also disclosed are memory mediums for storing program instructions to implement the methods, and apparatus including user equipment and base stations constructed to carry out the methods.

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