Abstract
The present disclosure relates to a method and arrangement for controlling re-transmission in a user equipment supporting uplink spatial multiplexing. The user equipment can detect an uplink grant on a physical downlink control channel the uplink grant being valid for at least one transport block. The UE can also detect that at least one transport block is disabled such that no grant is associated with the at least one transport block. The UE can interpret the at least one disabled transport block as an acknowledgement ACK of a previous transmission corresponding to the disabled transport block irrespective of which indication is received on the reception status feedback channel for the previous transmission.
Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
4G | 28/02/2013 | ISLD-201302-010 | ERICSSON INC |
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No | Family Member | |||
5G | 19/05/2017 | ISLD-201705-006 | ERICSSON INC |
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Yes | Basis Patent |
Specification Information
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Technologies
Family Information
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CN102859922A | 4G | 28/02/2013 | ISLD-201302-010 | ERICSSON INC |
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ZA201204310B | 5G | 19/05/2017 | ISLD-201705-006 | ERICSSON INC |
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Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
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Scheduling
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Use Cases
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Claim
1. A method for controlling re-transmission in a user equipment supporting uplink spatial multiplexing, comprising:
detecting an uplink grant on a physical downlink control channel, the uplink grant being valid for at least one transport block;
detecting that at least one transport block is disabled, such that no grant is associated with the at least one disabled transport block; and
interpreting the at least one disabled transport block as an acknowledgement (ACK) indication of a previous transmission corresponding to the disabled transport block irrespective of an acknowledgement/non-acknowledgement (ACK/NACK) indication received on a reception status feedback channel for the previous transmission;
wherein the detecting steps are carried out at a first protocol layer, and the interpreting step includes delivering the ACK indication h the first protocol layer to a second protocol layer; and
wherein the first protocol layer is a physical layer and the second protocol layer is higher protocol layer.
2. The method of claim 1, wherein the interpreting step includes setting the ACK/NACK indication to an ACK indication.
3. The method of claim 1, further comprising using the ACK indication as an input in a hybrid automatic repeat request process corresponding to the disabled transport block in an uplink data transfer procedure.
4. A user equipment supporting uplink spatial multiplexing for controlling re-transmission, the user equipment including a processor configured to:
detect an uplink grant on a physical downlink control channel, the grant being valid for at least one transport block;
detect that at least one transport block is disabled, such that no grant is associated with the at least one disabled transport block; and
interpret the at least one disabled transport block as an acknowledgement (ACK) indication of a previous transmission corresponding to the disabled transport block irrespective of an acknowledgement/non-acknowledgement (ACK/NACK) indication received on a reception status feedback channel for the previous transmission;
wherein the processor is configured to deliver the ACK indication from a first protocol layer to a second protocol layer;
wherein the first protocol layer is a physical layer and the second protocol layer is a higher protocol layer.
5. The user equipment of claim 4, wherein the processor is configured to set an ACK/NACK indication to an ACK indication.
6. The user equipment of claim 4, wherein the processor is configured to use the ACK indication as an input in a hybrid automatic repeat request process corresponding to the disabled transport block in an uplink data transfer procedure.
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The information in blue was extracted from the third parties (Standard Setting Organisation, Espacenet)
The information in grey was provided by the patent holder
The information in purple was extracted from the FrandAvenue
Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.
Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.
Family member:related patents or applications that share a common priority or original filing.