Data transmission method, base station, and terminal

A terminal comprising:

• at least one processor configured to obtain configuration information, wherein the configuration information indicates transmission resources of a random access preamble and payload data;
• a transmitter configured to transmit the random access preamble and the payload data at the transmission resources, wherein the payload data is modulated using a modulation scheme supporting asynchronous transmission;
• and
• a receiver configured to receive feedback information, wherein the feedback information comprises an indication which indicates whether the payload data is successfully received.

A method for receiving data with space multiplexing, the method comprising:

• transmitting, by a base station, configuration information;
• detecting, by the base station, a random access preamble at a random access preamble resource position according to the configuration information;
• when the random access preamble is detected, detecting, by the base station, payload data at transmission resources of the payload data based on a multi-antenna reception technique and using the random access preamble or the random access preamble and a demodulation reference signal at the transmission resources of the payload data, wherein there is a predefined mapping relationship between the random access preamble and the payload data resources;
• when the payload data is decoded, returning, by the base station, acknowledgment information ACK to a transmitter;
• and
• when the payload data is not decoded, returning, by the base station, non-acknowledgment information NACK to the transmitter.

A base station comprising:

• at least one processor;
• and
• a memory communicatively coupled to the at least one processor,
• wherein the at least one processor configured to:
• transmit configuration information;
• detect, according to the configuration information, a random access preamble at a random access preamble resource position, when the random access preamble is successfully detected;
• detect payload data at corresponding payload data resources based on a multi-antenna reception technique;
• use the random access preamble or the random access preamble and a demodulation reference signal at the corresponding payload data resources, wherein there is a predefined mapping relationship between the random access preamble and the payload data resources;
• and
• return acknowledgment information ACK to a transmitter when the payload data is successfully decoded, and return non-acknowledgment information NACK to the transmitter when the payload data is not successfully decoded.