System and Method for Transmission Time Intervals

A wireless communications device comprising:

• a non-transitory memory storage comprising instructions;
• and
• one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
• receive a first signaling indicating a first time division duplexing (TDD) frame structure configuration;
• and
• receive a second high layer signaling indicating a first feedback slot configuration information;
• wherein the first TDD frame structure configuration comprises at least one first uplink and at least one first downlink with a first time duration, and the first feedback slot configuration information comprises one or more hybrid automatic repeat request (HARQ) feedback slots.

A method for wireless communications, comprising:

• sending, by a base station (BS), a first signaling indicating a first time division duplexing (TDD) frame structure configuration;
• and
• sending, by the BS, a second high layer signaling indicating a first feedback slot configuration information;
• the first TDD frame structure configuration comprising at least one first uplink and at least one first downlink with a first time duration, and the first feedback slot configuration information comprising one or more hybrid automatic repeat request (HARQ) feedback slots.

A network communications device comprising:

• a non-transitory memory storage comprising instructions;
• and
• one or more processors in communication with the non-transitory memory storage, wherein the one or more processors execute the instructions to:
• send a first signaling indicating a first time division duplexing (TDD) frame structure configuration;
• and
• send a second high layer signaling indicating a first feedback slot configuration information;
• wherein the first TDD frame structure configuration comprises at least one first uplink and at least one first downlink with a first time duration, and the first feedback slot configuration information comprises one or more hybrid automatic repeat request (HARQ) feedback slots.