Method for Transmitting Sounding Reference Symbol, Base Station and User Equipment

A base station, comprising:

• an information generating unit to generate downlink control information for uplink transmission, the downlink control information comprising indication information on indicating user equipment whether to transmit an aperiodic sounding reference symbol and on the resource used in transmitting the aperiodic sounding reference symbol;
• and a bit of a new data indicator in the downlink control information and a bit of an aperiodic sounding reference symbol request being used to carry the indication information;
• and
• an information transmitting unit to transmit the downlink control information to the user equipment such that the user equipment transmits the aperiodic sounding reference symbol according to the indication information contained in the downlink control information.

User equipment, comprising:

• an information receiving unit to receive downlink control information for uplink transmission transmitted by a base station, the downlink control information comprising indication information on indicating the user equipment whether to transmit an aperiodic sounding reference symbol and on the resource used in transmitting the aperiodic sounding reference symbol;
• and a bit of a new data indicator in the downlink control information and a bit of an aperiodic sounding reference symbol request being used to carry the indication information;
• and
• an information processing unit to transmit the aperiodic sounding reference symbol according to the indication information received by the information receiving unit.