Data transmission method, terminal and base station of processing data transmission in different TTI lengths

A data transmission method, comprising:

• determining, by a base station, whether a terminal simultaneously processes data transmitted in a first Transmission Time Interval (TTI) length and data transmitted in a second TTI length in a same sub-frame based on capability reported by the terminal or a predefined rule, the data including a shared channel and/or a control channel;
• wherein the first TTI length is less than the second TTI length,
• the determining, by a base station, data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed by a terminal in a same sub-frame based on capability reported by the terminal or a predefined rule comprises at least one of:
• Mode 1:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on carrier aggregation capability and/or multiple-input multiple-output (MIMO) capability reported by the terminal;
• Mode 2:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on the capability of an upper limit value of quantity of transport blocks (TB) that are simultaneously processed in the same sub-frame or the capability of an upper limit value of quantity of TTIs that are simultaneously processed in the same sub-frame, reported by the terminal;
• and
• Mode 3:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on capability of whether the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously processed in the same sub-frame, reported by the terminal,
• or
• wherein the determining data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed by the terminal in a same sub-frame based on a predefined rule comprises:
• for uplink transmission, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in a current sub-frame:
• when the terminal has finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed by the terminal in the current sub-frame;
• when the terminal has not finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in the current sub-frame, and determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length based on configuration signaling or the predefined rule;
• or
• for uplink transmission and for each carrier, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in the current sub-frame:
• when the terminal has finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed by the terminal in the current sub-frame;
• when the terminal has not finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in the current sub-frame, and determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length based on a configuration signaling or a predefined rule;
• or
• for uplink transmission and/or downlink transmission, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in a same sub-frame and in a same carrier, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in the current sub-frame and in a same carrier, determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length in the same carrier based on the configuration signaling or the predefined rule;
• or
• for uplink transmission and/or downlink transmission, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length simultaneously existing in a same sub-frame, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in a current sub-frame, determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length based on the configuration signaling or the predefined rule;
• or
• determining that the terminal does not support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame and in a same carrier, determining that the terminal detects the control channel transmitted in the first TTI length or the control channel transmitted in the second TTI length in the current sub-frame and in the same carrier based on the configuration signaling or the predefined rule;
• or
• determining that the terminal does not support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame, determining that the terminal detects the control channel transmitted in the first TTI length or the control channel transmitted in the second TTI length in the current sub-frame based on the configuration signaling or the predefined rule;
• or
• determining that the terminal supports the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame and in a same carrier, determining that the terminal detects the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length in the current sub-frame and in the same carrier;
• or
• determining that the terminal supports the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame, determining that the terminal detects the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length in the current sub-frame simultaneously.

A terminal, comprising:

• a processor;
• and
• a memory connected to the processor via a bus interface, and storing program and determined data by the processor,
• wherein when the processor calls and executes the program and the data stored in the memory, the processor is configured to:
• determine whether to simultaneously process data transmitted in a first Transmission Time Interval (TTI) length and data transmitted in a second TTI length in a same sub-frame based on capability reported by the terminal or a predefined rule, the data including a shared channel and/or a control channel,
• wherein the first TTI length is less than the second TTI length;
• wherein the determining, by a terminal, data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed in a same sub-frame based on capability reported by the terminal or a predefined rule comprises at least one of:
• Mode 1:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on carrier aggregation capability and/or multiple-input multiple-output (MIMO) capability reported by the terminal;
• Mode 2:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on capability of an upper limit value of quantity of transport blocks (TB) that are simultaneously processed in the same sub-frame or the capability of an upper limit value of quantity of TTIs that are simultaneously processed in the same sub-frame, reported by the terminal;
• and
• Mode 3:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on capability of whether the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously processed in the same sub-frame, reported by the terminal,
• or
• wherein the determining, by a terminal, data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed in a same sub-frame based on a predefined rule comprises:
• for uplink transmission, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in a current sub-frame:
• when the terminal has finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, simultaneously processing, by the terminal, the data transmitted in the first TTI length and the data transmitted in the second TTI length in the current sub-frame;
• when the terminal has not finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining, by the terminal, not to support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in the current sub-frame, and determining, by the terminal, to process the data transmitted in the first TTI length or the data transmitted in the second TTI length based on configuration signaling or the predefined rule;
• or
• for uplink transmission and for each carrier, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in the current sub-frame:
• when the terminal has finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, simultaneously processing, by the terminal, the data transmitted in the first TTI length and the data transmitted in the second TTI length in the current sub-frame;
• when the terminal has not finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining, by the terminal, not to support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in the current sub-frame, and determining, by the terminal, to process the data transmitted in the first TTI length or the data transmitted in the second TTI length based on a configuration signaling or a predefined rule;
• or
• for uplink transmission and/or downlink transmission, determining not to support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in a same sub-frame and in a same carrier, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in the current sub-frame and in a same carrier, determining, by the terminal, to process the data transmitted in the first TTI length or the data transmitted in the second TTI length in the same carrier based on the configuration signaling or the predefined rule;
• or
• for uplink transmission and/or downlink transmission, determining not to support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in a same sub-frame, when the data transmitted in the first TTI length and the data transmitted in the second TTI length simultaneously exists in a current sub-frame, determining, by the terminal, to process the data transmitted in the first TTI length or the data transmitted in the second TTI length based on the configuration signaling or the predefined rule;
• or
• determining not to support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame and in a same carrier, detecting, by the terminal the control channel transmitted in the first TTI length or the control channel transmitted in the second TTI length in the current sub-frame and in the same carrier based on the configuration signaling or the predefined rule;
• or
• determining not to support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame, detecting, by the terminal the control channel transmitted in the first TTI length or the control channel transmitted in the second TTI length in the current sub-frame based on the configuration signaling or the predefined rule;
• or
• determining to support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame and in a same carrier, simultaneously detecting, by the terminal, the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length in the current sub-frame and in the same carrier;
• or
• determining to support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame, simultaneously detecting, by the terminal, the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length in the current sub-frame.

A base station, comprising:

• a processor;
• and
• a memory connected to the processor via a bus interface, and storing program and determined data by the processor,
• wherein when the processor calls and executes the program and the data stored in the memory, the processor is configured to:
• determine whether a terminal simultaneously processes data transmitted in a first Transmission Time Interval (TTI) length and data transmitted in a second TTI length in a same sub-frame based on capability reported by the terminal or a predefined rule, the data including a shared channel and/or a control channel;
• wherein the first TTI length is less than the second TTI length;
• the determining, by a base station, data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed by a terminal in a same sub-frame based on capability reported by the terminal or a predefined rule comprises at least one of:
• Mode 1:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on carrier aggregation capability and/or multiple-input multiple-output (MIMO) capability reported by the terminal;
• Mode 2:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on the capability of an upper limit value of quantity of transport blocks (TB) that are simultaneously processed in the same sub-frame or the capability of an upper limit value of quantity of TTIs that are simultaneously processed in the same sub-frame, reported by the terminal;
• and
• Mode 3:
• whether to simultaneously process data transmitted in the first TTI length and data transmitted in the second TTI length in the same sub-frame based on capability of whether the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously processed in the same sub-frame, reported by the terminal,
• or
• wherein the determining data transmitted in the first TTI length and/or data transmitted in the second TTI length that are processed by the terminal in a same sub-frame based on a predefined rule comprises:
• for uplink transmission, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in a current sub-frame:
• when the terminal has finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed by the terminal in the current sub-frame;
• when the terminal has not finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in the current sub-frame, and determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length based on configuration signaling or the predefined rule;
• or
• for uplink transmission and for each carrier, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in the current sub-frame:
• when the terminal has finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed by the terminal in the current sub-frame;
• when the terminal has not finished the encoding of the data transmitted in the second TTI length before the data transmitted in the first TTI length has been processed, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in the current sub-frame, and determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length based on a configuration signaling or a predefined rule;
• or
• for uplink transmission and/or downlink transmission, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length being simultaneously processed in a same sub-frame and in a same carrier, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in the current sub-frame and in a same carrier, determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length in the same carrier based on the configuration signaling or the predefined rule;
• or
• for uplink transmission and/or downlink transmission, determining that the terminal does not support the data transmitted in the first TTI length and the data transmitted in the second TTI length simultaneously existing in a same sub-frame, when the data transmitted in the first TTI length and the data transmitted in the second TTI length are simultaneously scheduled in a current sub-frame, determining that the terminal processes the data transmitted in the first TTI length or the data transmitted in the second TTI length based on the configuration signaling or the predefined rule;
• or
• determining that the terminal does not support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame and in a same carrier, determining that the terminal detects the control channel transmitted in the first TTI length or the control channel transmitted in the second TTI length in the current sub-frame and in the same carrier based on the configuration signaling or the predefined rule;
• or
• determining that the terminal does not support the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame, determining that the terminal detects the control channel transmitted in the first TTI length or the control channel transmitted in the second TTI length in the current sub-frame based on the configuration signaling or the predefined rule;
• or
• determining that the terminal supports the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame and in a same carrier, determining that the terminal detects the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length in the current sub-frame and in the same carrier;
• or
• determining that the terminal supports the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length being simultaneously detected in a same sub-frame, determining that the terminal detects the control channel transmitted in the first TTI length and the control channel transmitted in the second TTI length in the current sub-frame simultaneously.