Uplink Precoding For Retransmission Without Explicit Precoding Instruction
First Claim
1. A method for a wireless communication device to re-transmit a data transport block to a base station, the method comprising:
- receiving, at the wireless communication device, information of a precoding matrix from a base station wherein the precoding matrix comprises of a first precoding submatrix and a second precoding submatrix;
transmitting a first data transport block from a first set of at least two antennas of the wireless communication device according to the first precoding submatrix and a second data transport block from a second set of at least two antennas of the wireless communication device according to the second precoding submatrix;
receiving from the base station a retransmission request for the second transport block; and
retransmitting the second data transport block according to a retransmission precoding matrix from at least one antenna of the first set of antennas and at least one antenna of the second set of antennas in response to the retransmission request.
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Accused Products
Abstract
A method in a wireless communication device includes receiving precoding matrix information including first and second precoding submatrices, transmitting a first transport block from a first set of at least two antennas according to the first precoding submatrix and a second transport block from a second set of at least two antennas according to the second precoding submatrix, receiving a retransmission request for the second transport block, and retransmitting the second transport block according to a retransmission precoding matrix from at least one of the first set of antennas and at least one of the second set of antennas.
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Citations
15 Claims
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1. A method for a wireless communication device to re-transmit a data transport block to a base station, the method comprising:
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receiving, at the wireless communication device, information of a precoding matrix from a base station wherein the precoding matrix comprises of a first precoding submatrix and a second precoding submatrix; transmitting a first data transport block from a first set of at least two antennas of the wireless communication device according to the first precoding submatrix and a second data transport block from a second set of at least two antennas of the wireless communication device according to the second precoding submatrix; receiving from the base station a retransmission request for the second transport block; and retransmitting the second data transport block according to a retransmission precoding matrix from at least one antenna of the first set of antennas and at least one antenna of the second set of antennas in response to the retransmission request. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method for a wireless communication device to re-transmit a data transport block to a base station, the method comprising:
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receiving, at the wireless communication device, information of a precoding matrix from a base station for use in transmission of a first data transport block and a second data transport block, and information of a retransmission precoding matrix for use in the retransmission of a data transport block; transmitting a first data transport block and a second data transport block according to the precoding matrix; receiving, at the wireless communication device, from the base station a retransmission request for the second transport block; and retransmitting the second data transport block according to the retransmission precoding matrix in response to the retransmission request. - View Dependent Claims (14, 15)
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Specification