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

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

• transmitting Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s);
• transmitting a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows;
• and
• monitoring a first radio signal on a first time-frequency resource;
• wherein any two time windows of the Q time windows are orthogonal in time domain;
• any control signaling comprised by the Q control signaling groups comprises a first field;
• among the Q control signaling groups, first fields of same control signaling groups are of a same value;
• among Q2 adjacent control signaling groups of the Q control signaling groups, first fields of different control signaling groups are of different values;
• the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel);
• any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information);
• the first control signaling indicates Q1, the Q1 time window(s) of the present disclosure is(are) respectively Q1 latest time window(s);
• the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q.

A UE for wireless communications, comprising:

• a first receiver:
• receiving Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s);
• and receiving a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows;
• a first transmitter:
• performing energy detection so as to determine whether to perform a transmission on a first time-frequency resource;
• if yes, the first transmitter performs the transmission to transmit a first radio signal on the first time-frequency resource, otherwise the first transmitter does not perform the transmission on the first time-frequency resource;
• wherein any two time windows of the Q time windows are orthogonal in time domain;
• any control signaling comprised by the Q control signaling groups comprises a first field;
• among the Q control signaling groups, first fields of same control signaling groups are of a same value;
• among Q2 adjacent control signaling groups of the Q control signaling groups, first fields of different control signaling groups are of different values;
• the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel);
• any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information);
• the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q.

A base station for wireless communications, comprising:

• a second transmitter:
• transmitting Q control signaling groups respectively in Q time windows, any of the Q control signaling groups comprising a positive integer number of control signaling(s);
• and transmitting a first control signaling, the first control signaling indicating Q1 time window(s) out of the Q time windows;
• a second receiver:
• monitoring a first radio signal on a first time-frequency resource;
• wherein any two time windows of the Q time windows are orthogonal in time domain;
• any control signaling comprised by the Q control signaling groups comprises a first field;
• among the Q control signaling groups, first fields of same control signaling groups are of a same value;
• among Q2 adjacent control signaling groups of the Q control signaling groups, any first fields of different control signaling groups are of different values;
• the first radio signal is transmitted on a PUCCH (Physical Uplink Control Channel), or, the first radio signal is transmitted on a PUSCH (Physical Uplink Shared Channel);
• any control signaling in any control signaling group among the Q control signaling groups is a DCI (Downlink Control Information);
• the first radio signal comprises first feedback information, the first feedback information is used for determining whether bit blocks transmitted in the Q1 time window(s) are correctly decoded, the Q is a positive integer greater than 1, and the Q1 and the Q2 are respectively positive integers no greater than the Q.