Configured grant enhancements in unlicensed band
A method, system and apparatus are disclosed. In one or more embodiments, a network node is provided. The network node includes processing circuitry configured to: determine adapted configured grant, CG, control information based at least on CG control information, and signal the adapted CG control information for configuring transmission on at least one CG resource.
1 . A network node, comprising:
processing circuitry configured to:
determine adapted configured grant, CG, control information based at least on CG control information; and
signal the adapted CG control information for configuring transmission on at least one CG resource, the adapted CG control information corresponding to adapted CG-uplink control information, UCI, and including at least one field that has a configurable quantity of bits, the at least one field including one or more of: a hybrid automatic repeat request identifier, HARQ-ID, field, a redundancy version, RV, field, and a new data indicator, NDI, field.
2 . A wireless device, comprising:
processing circuitry configured to:
receive signaling of adapted configured grant, CG, control information that is based at least on CG control information, the adapted CG control information configuring transmission on at least one CG resource, the adapted CG control information corresponding to adapted CG-uplink control information, UCI, and including at least one field that has a configurable quantity of bits, the at least one field including one or more of: a hybrid automatic repeat request identifier, HARQ-ID, field, a redundancy version, RV, field, and a new data indicator, NDI, field; and
determine whether to cause transmission on the at least on CG resource based at least in part on the adapted CG control information.
3 . A method implemented in a network node, the method comprising:
determining adapted configured grant, CG, control information based at least on CG control information; and
signaling the adapted CG control information for configuring transmission on at least one CG resource, the adapted CG control information corresponding to adapted CG-uplink control information, UCI, and including at least one field that has a configurable quantity of bits, the at least one field including one or more of: a hybrid automatic repeat request identifier, HARQ-ID, field, a redundancy version, RV, field, and a new data indicator, NDI, field.
4 . The method of claim 3 , wherein at least one of:
the HARQ-ID field is configurable from 0 to a first predefined number of bits;
the RV field is configurable from 0 to a second predefined number of bits; and
the NDI field is configurable from 0 to a third predefined number of bits.
5 . The method of claim 3 , wherein the adapted CG control information is associated with a configurable field that is associated with a downlink feedback information, DFI, flag, the configurable field being configurable to be present or absent in the adapted CG control information based on a configuration of the CG control information.
6 . The method of claim 5 , wherein the configurable field being absent indicates the network node does not provide explicit hybrid automatic repeat request-acknowledgement, HARQ-ACK, feedback for the transmission on the at least one CG resource.
7 . The method of claim 3 , wherein the adapted CG control information is determined to configure autonomous retransmission at a wireless device.
8 . The method of claim 7 , wherein the adapted CG control information is determined to omit a configuration of the CG control information, the CG control information corresponding to one of CG-uplink control information, UCI, and CG-downlink feedback information, DFI.
9 . The method of claim 3 , wherein the adapted CG control information is determined to configure segmentation of the transmission on at least one CG resource.
10 . The method of claim 9 , wherein the segmentation of the transmission on at least one CG corresponds to configuring transmission on at least one CG resource in one of:
a first segment;
a subset of a segment; and
in a plurality of segments.
11 . The method of claim 3 , further comprising:
interpreting an expired CG timer as a hybrid automatic repeat request-negative acknowledgement, HARQ-NACK; and
scheduling a dynamic allocation for another transmission on another CG resource based at least on the expired timer.
12 . The method of claim 3 , wherein the adapted CG control information corresponds to one of adapted CG-uplink control information, UCI, and adapted CG-downlink feedback information, DFI.
13 . A method implemented by a wireless device, the method comprising:
receiving signaling of adapted configured grant, CG, control information that is based at least on CG control information, the adapted CG control information configuring transmission on at least one CG resource, the adapted CG control information corresponding to adapted CG-uplink control information, UCI, and including at least one field that has a configurable quantity of bits, the at least one field including one or more of: a hybrid automatic repeat request identifier, HARQ-ID, field, a redundancy version, RV, field, and a new data indicator, NDI, field; and
determining whether to cause transmission on the at least on CG resource based at least in part on the adapted CG control information.
14 . The method of claim 13 , wherein the adapted CG control information is associated with a configurable field that is associated with a downlink feedback information, DFI, flag, the configurable field being configurable to be present or absent in the adapted CG control information based on a configuration of the CG control information.
15 . The method of claim 13 , wherein the adapted CG control information configures autonomous retransmission at the wireless device.
16 . The method of claim 13 , further comprising segmenting the transmission on at least one CG resource based at least on the adapted CG control information.
17 . The method of claim 13 , further comprising receiving a dynamic allocation for scheduling another transmission on another CG resource, the dynamic allocation being based at least on an expired timer that is interpreted as a hybrid automatic repeat request-negative acknowledgement, HARQ-NACK.