Method and device in UE and base station used for wireless communication

A method in a base station for wireless communication, comprising:

• transmitting P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling;
• transmitting a first signaling in first time-frequency sub-resources, the first signaling being a first-type signaling;
• and
• receiving a first information group;
• wherein the first time-frequency sub-resources and second time-frequency sub-resources are reserved for a first-type signaling and a second-type signaling respectively;
• the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release;
• a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell;
• the first information group is used for indicating whether scheduling of the first signaling is correctly received;
• the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources;
• the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time;
• the first reference time and the second reference time are a start time and an end time of the first time-frequency sub-resources respectively;
• the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH;
• the first field is a DAI field;
• the first information group is transmitted on a PUCCH or a PUSCH;
• the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces;
• the first-type signaling and the second-type signaling both comprise the first field;
• the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling;
• there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively;
• the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively;
• the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s);
• for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group;
• if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group.

A User Equipment (UE) for wireless communication, comprising:

• a second receiver, receiving P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling;
• a first receiver, monitoring a first-type signaling and a second-type signaling respectively in first time-frequency sub-resources and second time-frequency sub-resources;
• a first signaling being received in the first time-frequency sub-resources, the first signaling being a first-type signaling;
• and
• a first transmitter, transmitting a first information group;
• wherein the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release;
• a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell;
• the first information group is used for indicating whether scheduling of the first signaling is correctly received;
• the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources;
• the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time;
• the first reference time and the second reference time are respectively a start time and an end time of the first time-frequency sub-resources;
• the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH;
• the first field is a DAI field;
• the first information group is transmitted on a PUCCH or PUSCH;
• the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces;
• the first-type signaling and the second-type signaling both comprise the first field;
• the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling;
• there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively;
• the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively;
• the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s);
• for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group;
• if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group.

A base station used for wireless communication, comprising:

• a third transmitter, transmitting P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling;
• a second transmitter, transmitting a first signaling in first time-frequency sub-resources, the first signaling being a first-type signaling;
• and
• a third receiver, receiving a first information group;
• wherein the first time-frequency sub-resources and second time-frequency sub-resources are reserved for a first-type signaling and a second-type signaling respectively;
• the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release;
• a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell;
• the first information group is used for indicating whether scheduling of the first signaling is correctly received;
• the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources;
• the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time;
• the first reference time and the second reference time are a start time and an end time of the first time-frequency sub-resources respectively;
• the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH;
• the first field is a DAI field;
• the first information group is transmitted on a PUCCH or a PUSCH;
• the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces;
• the first-type signaling and the second-type signaling both comprise the first field;
• the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling;
• there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively;
• the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively;
• the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s);
• for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group;
• if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group.