Patent ID: 8072929
Filing Date: 2011-12-06
Classification: H04L,H04W

Abstract:
1. A method comprising: identifying, for a first user equipment, a first set of one or more symbol positions within a first sub-frame in a first transmission, wherein the first transmission is associated with time and frequency allocations of a plurality of user equipment; identifying a second set of one or more symbol positions within the first sub-frame that are different from the first set of one or more symbol positions and that are available; identifying a shift in the first set of symbol positions of the first sub-frame; and scheduling a physical layer hybrid automatic repeat request retransmission of data provided in the first transmission for the first user equipment in the identified second set of one or more symbol positions within a second sub-frame so that any data transmitted in a last symbol position of the first sub-frame is retransmitted in the second sub-frame prior to retransmission of any data in a first symbol position of the first sub-frame, wherein all of the data transmitted in the first sub-frame is retransmitted in the second sub-frame, and wherein identifying the shift results in the data of the first sub-frame being assigned to at least one symbol position of the second sub-frame which was not assigned in the first sub-frame.