Uplink scheduling method and apparatus based on semi-persistent resource allocation scheme in mobile communication system

A method for transmitting a transport block by a terminal which performs a communication service according to a semi-persistent resource allocation scheme in a mobile communication system, the method comprising:

• receiving resource allocation control information depending on the semi-persistent resource allocation scheme from a base station (BS);
• code-demasking a first field set to a predetermined value in the resource allocation control information, and reading a Cyclic Shift (CS) value determined differently for each terminal to a Multi-User Multiple Input Multiple Output (MU-MIMO) operation using the first field that is code-masked;
• configuring a DeModulation Reference Signal (DM RS) by using the CS value;
• and
• generating a transport block according to the configured DM RS, and transmitting the generated transport block.

A Base Station (BS) for performing uplink scheduling of a terminal according to a semi-persistent resource allocation scheme in a mobile communication system, the BS comprising:

• a Multi-User Multiple Input Multiple Output (MU-MIMO) processing unit configured to determine a Cyclic Shift (CS) value determined differently for each terminal to an MU-MIMO operation;
• a control information generation unit configured to generate resource allocation control information including a first field set to a value predetermined according to the semi-persistent resource allocation scheme, and configure a transport block including the resource allocation control information;
• a code-masking processing unit configured to code-mask the first field of the resource allocation control information by using the CS value;
• and
• a transmission/reception unit configured to transmit the transport block to the terminal.

A terminal for transmitting a transport block according to a semi-persistent resource allocation scheme in a mobile communication system, the terminal comprising:

• a transmission/reception unit configured to receive resource allocation control information depending on the semi-persistent resource allocation scheme from a base station (BS), and transmit a transport block to be transmitted to the BS;
• a code-masking reading unit configured to code-demask a first field set to a predetermined value in the resource allocation control information, and read a Cyclic Shift (CS) value determined differently for each terminal to a Multi-User Multiple Input Multiple Output (MU-MIMO) operation using the first field that is code-masked;
• and
• a transport block generation unit configured to configure a DeModulation Reference Signal (DM RS) by using the CS value, and generate the transport block according to the configured DM RS.