Uplink control information related to configured grants
A method of operating a communications device configured to transmit data via a wireless access interface is provided. The method comprises operating in accordance with a configured grant, CG, mode of operation comprising determining a sequence of instances of uplink communications resources of the wireless access interface and transmitting uplink data to the wireless communications network in at least one instance of the sequence of instances of uplink communications resources, transmitting, to the wireless communications network, uplink control information relating to the CG mode of operation, CG-UCI, comprising one or more indicators which indicate information required to support one or more of a plurality of services, the plurality of services including Ultra Reliable Low Latency Communications, URLLC, and transmitting the uplink data in accordance with the information required to support the one or more of the plurality of services indicated by the one or more indicators of the transmitted CG-UCI.
1 . A method of operating a communications device configured to transmit data to a wireless communications network via a wireless access interface, the method comprising:
operating in accordance with a configured grant (CG) mode of operation, the CG mode of operation comprising determining a sequence of instances of uplink communications resources of the wireless access interface and transmitting uplink data to the wireless communications network in at least one instance of the sequence of instances of uplink communications resources of the wireless access interface,
transmitting, to the wireless communications network, uplink control information relating to the CG mode of operation (CG-UCI), the CG-UCI comprising one or more indicators which indicate information required to support one or more of a plurality of services, the plurality of services including Ultra Reliable Low Latency Communications (URLLC), the one or more indicators include a CG-UCI type indicator which defines which type of a plurality of CG-UCI types of the CG-UCI, each of the plurality of CG-UCI types including a different set of indicators to support URLLC, and
transmitting the uplink data in accordance with the information required to support the one or more of the plurality of services indicated by the one or more indicators of the transmitted CG-UCI.
2 . The method according to claim 1 , wherein the one or more indicators of the CG-UCI comprise a physical layer priority indicator which defines a physical layer priority level of the uplink data transmission.
3 . The method according to claim 1 , wherein the one or more indicators of the CG-UCI comprise a repetition index indicator which defines a repetition index of the uplink data transmission.
4 . The method according to claim 3 , comprising transmitting the CG-UCI for cach of a plurality of repetitions of the uplink data transmission, wherein the repetition index indicator is increased with each transmission of the CG-UCI.
5 . The method according to claim 3 , wherein the repetition index indicator is included within the CG-UCI instead of both of an indicator defining whether the uplink data transmission comprises newly transmitted data and an indicator defining a Redundancy Version (RV) of the uplink data transmission.
6 . The method according to claim 1 , wherein the one or more indicators of the CG-UCI comprise a CG index indicator which defines a CG index of the sequence of instances of uplink communications resources of the wireless access interface, wherein the sequence of instances of uplink communications resources of the wireless access interface is one of a plurality of the sequences of instances of uplink communications resources of the wireless access interface.
7 . The method according to claim 6 , wherein the CG index indicator is included within the CG-UCI instead of an indicator defining a physical layer priority level of the uplink data transmission.
8 . The method according to claim 1 , comprising receiving, from the wireless communications network, an indication of one or more fields of the CG-UCI, the one or more fields comprising the one or more indicators which indicate information required to support the one or more of the plurality of services.
9 . The method according to claim 8 , wherein the indication of the of one or more fields of the CG-UCI further comprises an indication of a size of at least one of the one or more fields of the CG-UCI.
10 . The method according to claim 8 , wherein the sequence of instances of uplink communications resources of the wireless access interface is one of a plurality of the sequences of instances of uplink communications resources of the wireless access interface, and wherein the indication of the of one or more fields of the CG-UCI is independently configured for each of the plurality of sequences of instances of uplink communications resources of the wireless access interface.
11 . The method according to claim 1 , wherein the one or more indicators of the CG-UCI comprise a joint indicator which defines in combination at least two different indicators from the one or more indicators which indicate information required to support the one or more of the plurality of services and one or more other indicators which are not required to support the one or more of the plurality of services.
12 . The method according to claim 1 , wherein the CG-UCI, in addition to the one or more indicators, comprises one or more of a Hybrid Automatic Repeat Request (HARQ), Process Number (HPN) indicator associated with the uplink data transmission, an indicator defining an RV of the uplink data transmission, a New Data Indicator (NDI) associated with the uplink data transmission and an indicator defining Channel Occupancy Time (COT) sharing information of the uplink data transmission.
13 . The method according to claim 1 , wherein the uplink data transmission is a URLLC data transmission, and wherein the information indicated by the one or more indicators of the CG-UCI is specific to URLLC transmissions.
14 . A communications device configured to transmit data to a wireless communications network via a wireless access interface, the communications device comprising:
transceiver circuitry configured to transmit signals and receive signals via a wireless access interface, and
controller circuitry configured in combination with the transceiver circuitry
to operate in accordance with a configured grant (CG) mode of operation, the CG mode of operation comprising the communications device being configured to determine a sequence of instances of uplink communications resources of the wireless access interface and to transmit uplink data to the wireless communications network in at least one instance of the sequence of instances of uplink communications resources of the wireless access interface,
to transmit, to the wireless communications network, uplink control information relating to the CG mode of operation (CG-UCD), the CG-UCI comprising one or more indicators which indicate information required to support one or more of a plurality of services, the plurality of services including Ultra Reliable Low Latency Communications (URLLC), the one or more indicators include a CG-UCI type indicator which defines which type of a plurality of CG-UCI types of the CG-UCI, each of the plurality of CG-UCI types including a different set of indicators to support URLLC, and
to transmit the uplink data in accordance with the information required to support the one or more of the plurality of services indicated by the one or more indicators of the transmitted CG-UCI.
15 . An infrastructure equipment forming part of a wireless communications network configured to receive data from a communications device via a wireless access interface, the infrastructure equipment comprising:
transceiver circuitry configured to transmit signals and receive signals via a wireless access interface provided by the infrastructure equipment, and
controller circuitry configured in combination with the transceiver circuitry
to transmit, to the communications device, an indication that the communications device is configured to operate in accordance with a configured grant (CG) mode of operation, the CG mode of operation comprising determining a sequence of instances of uplink communications resources of the wireless access interface and transmitting uplink data to the wireless communications network in at least one instance of the sequence of instances of uplink communications resources of the wireless access interface,
to receive, from the communications device, uplink control information relating to the CG mode of operation (CG-UCI), the CG-UCI comprising one or more indicators which indicate information required to support one or more of a plurality of services, the plurality of services including Ultra Reliable Low Latency Communications (URLLC), the one or more indicators include a CG-UCI type indicator which defines which type of a plurality of CG-UCI types the CG-UCI is, each of the plurality of CG-UCI types comprising a different set of indicators to support URLLC, and
to receive the uplink data in accordance with the information required to support the one or more of the plurality of services indicated by the one or more indicators of the received CG-UCI.