Method for scheduling distributed virtual resource blocks

A method for transmitting downlink data using resource blocks at a base station in a wireless mobile communication system, the method comprising:ntransmitting downlink data mapped to physical resource blocks (PRBs) to a user equipment,wherein:indexes of virtual resource blocks (VRBs) are mapped to indexes of the PRBs for each of Ns slots of a subframe, Ns denoting a number of slots included in the subframe,indexes of the PRBs for an odd-numbered slot are shifted with respect to indexes of the PRBs for an even-numbered slot based on a predetermined gap, andan index of one of the PRBs on each of the Ns slots that are mapped to an index of one of the VRBs is determined by using Ngap and NDVRB where Ngap is a value of the predetermined gap and NDVRB is a number of the VRBs.

A method for receiving downlink data using resource blocks at a user equipment in a wireless mobile communication system, the method comprising:nreceiving downlink control information including resource allocation information for the downlink data from a base station; andreceiving the downlink data mapped to physical resource blocks (PRBs) based on the downlink control information,wherein:the resource allocation information indicates virtual resource block (VRB) allocations for the user equipment,indexes of the PRBs to which the downlink data are mapped are determined based on a mapping relationship between virtual resource blocks (VRBs) and the PRBs,the mapping relationship is defined as indexes of the VRBs that are mapped to the indexes of the PRBs for Ns slots of a subframe, Ns denoting a number of slots included in the subframe,indexes of the PRBs for an odd-numbered slot are shifted with respect to indexes of the PRBs for an even-numbered slot based on a predetermined gap, andan index of one of the PRBs on each of the Ns slots that is mapped to an index of one of the VRBs is determined by using Ngap and NDVRB where Ngap is a value of the predetermined gap and NDVRB is a number of the VRBs.

A base station transmitting downlink data using resource blocks in a wireless mobile communication system, the base station comprising:na processor configured to control an operation of the base station; anda memory unit driven by the processor,wherein:the processor is configured to transmit downlink data mapped to physical resource blocks (PRBs) to a user equipment,indexes of virtual resource blocks (VRBs) are mapped to indexes of the PRBs for Ns slots of a subframe, the Ns denoting a number of slots included in the subframeindexes of the PRBs for an odd-numbered slot are shifted with respect to indexes of the PRBs for an even-numbered slot based on a predetermined gap,an index of one of the PRBs on each of the Ns slots that is mapped to an index of one of the VRBs is determined by using Ngap and NDVRB where Ngap is a value of the predetermined gap and NDVRB is a number of the VRBs.

A user equipment receiving downlink data using resource blocks in a wireless mobile communication system, the user equipment comprising:na processor configured to control an operation of the user equipment; anda memory unit driven by the processor,wherein:the processor is configured to:nreceive downlink control information including resource allocation information for the downlink data from a base station; andreceive the downlink data mapped to physical resource blocks (PRBs) based on the downlink control information,the resource allocation information indicates virtual resource block (VRB) allocations for the user equipment,indexes of the PRBs to which the downlink data are mapped are determined based on a mapping relationship between virtual resource blocks (VRBs) and the PRBs,the mapping relationship is defined as indexes of the VRBs that are mapped to the indexes of the PRBs for Ns slots of a subframe, Ns denoting a number of slots included in the subframe,indexes of the PRBs for an odd-numbered slot are shifted with respect to indexes of the PRBs for an even-numbered slot based on a predetermined gap, andan index of one of the PRBs on each of the Ns slots that is mapped to an index of one of the VRBs is determined by using Ngap and NDVRB where Ngap is a value of the predetermined gap and NDVRB is a number of the VRBs.