Method and device for wireless communication in ue and base station

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

• transmitting a first signaling in a first time window in a first subband;
• and
• transmitting a second signaling in a second time window in a second subband, or dropping transmission of the second signaling in the second time window in the second subband;
• if transmitting the second signaling in the second time window in the second subband, receiving a first radio signal in a third time window in a third subband, otherwise dropping reception of the first radio signal in the third time window in the third subband.
• wherein the first signaling comprises first-type scheduling information of the first radio signal;
• the first signaling indicates a time interval between the third time window and the second time window;
• the first signaling is associated with the second signaling;
• the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set;
• the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s);
• the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer;
• the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).

A UE for wireless communications, comprising:

• a first receiver, receiving a first signaling in a first time window in a first subband;
• a second receiver, monitoring a second signaling in a second time window in a second subband;
• and
• a first processor, if successfully receiving the second signaling in the second time window in the second subband, transmitting a first radio signal in a third time window in a third subband, otherwise dropping transmission of the first radio signal in the third time window in the third subband;
• wherein the first signaling comprises first-type scheduling information of the first radio signal;
• the first signaling indicates a time interval between the third time window and the second time window;
• the first signaling is associated with the second signaling;
• the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set;
• the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s);
• the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer;
• the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).

A base station for wireless communication, comprising:

• a first transmitter, transmitting a first signaling in a first time window in a first subband;
• a second transmitter, transmitting a second signaling in a second time window in a second subband, or dropping transmission of the second signaling in the second time window in the second subband;
• and
• a second processor, if transmitting the second signaling in the second time window in the second subband, receiving a first radio signal in a third time window in a third subband, otherwise dropping reception of the first radio signal in the third time window in the third subband;
• wherein the first signaling comprises first-type scheduling information of the first radio signal;
• the first signaling indicates a time interval between the third time window and the second time window;
• the first signaling is associated with the second signaling;
• the first signaling is used for determining a first antenna port group, and the second signaling is used for determining a first port group set;
• the first port group set comprises a positive integer number of antenna port group(s), and one antenna port group comprises a positive integer number of antenna port(s);
• the first antenna port group is used for determining a first index, and the first port group set is used for determining M index(es), the M being a positive integer;
• the phrase that the first signaling is associated with the second signaling refers to that the first index is one of the M index(es).