RU2013125538A - METHOD FOR TRANSMITTING / RECEIVING DOWNLINE DATA USING RESOURCE UNITS IN A WIRELESS MOBILE NETWORK SYSTEM AND DEVICE FOR ITS IMPLEMENTATION - Google Patents

Abstract

1. A method for transmitting downlink data using resource blocks in a base station in a wireless mobile communication system, comprising: transmitting downlink data mapped to physical resource blocks (PRBs) to a user equipment, while virtual resource block (VRB) indices are mapped to physical resource PRBs for the first slot and the second slot of a subframe, where the PRBs for the second slot are offset from the PRBs for the first slot based on a predetermined gap, with the predetermined offset being applied to the index a physical resource block (PRB) when the index of that physical resource block (PRB) is equal to or greater than a predetermined threshold. The method of claim 1, wherein the predetermined threshold is N / 2, where N is the number of consecutive virtual resource block (VRB) indices. The method of claim 2, wherein the predetermined offset is set to N-N / 2, where N is a predetermined space value. The method of claim 3, wherein N is set to N = 2 · min (N, N-N), where N is equal to the number of physical resource blocks (PRBs). The method of claim 4, wherein sequential virtual resource block (VRB) indices are interleaved such that the virtual resource block (VRB) indices are written row by row into a rectangular matrix and read column by column, and the number of rows R of the rectangular matrix is set as R = [N / (C · M)] · M where C is equal to the number of columns of a rectangular matrix, and M is equal to the number of sequential physical

Claims (22)

1. A method for transmitting downstream data using resource blocks in a base station in a wireless mobile communication system, comprising: transmitting downlink data mapped to physical resource blocks (PRB) to the user equipment, while the virtual resource block indices (VRB) are mapped to the physical resource block indices (PRB) for the first slot and the second subframe slot, while the physical resource block indices (PRB) for the second slot are offset relative to the physical resource block indices (PRB) for the first slot based on a predefined gap, wherein a predetermined offset is applied to the index of a physical resource block (PRB) when the index of this physical resource block (PRB) is equal to or greater than a predetermined threshold value. 2. The method according to claim 1, in which a predetermined threshold value is N _VRB / 2, where N _VRB is the number of consecutive virtual resource block (VRB) indices. 3. The method according to claim 2, in which a predetermined offset is set as N _gap -N _VRB / 2, where N _gap represents the value of a predetermined space. 4. The method according to claim 3, in which N _{VRB is} set as N _VRB = 2 · min (N _gap , N _PRB -N _gap ), where N _PRB is equal to the number of physical resource blocks (PRB). 5. The method according to claim 4, in which sequential indexes of virtual resource blocks (VRB) are interleaved in such a way that the indexes of virtual resource blocks (VRB) write row by row into a rectangular matrix and read column by column, and the number of rows R is rectangular matrices specify how R = [N _DVRB / (C · M _RBG )] · M _RBG where C is equal to the number of columns of the rectangular matrix, and M _RBG is equal to the number of consecutive physical resource blocks (PRB) that make up the group of resource blocks (RBG). 6. The method according to claim 5, in which C is 4. 7. The method according to 5, in which the rectangular matrix includes N _D groups, wherein C is K · N _D , while when N _null zeros are added to the rectangular matrix, zeros are added to the last N _null / N _D rows of K- column in each of the N _D groups of the rectangular matrix, while zeros are ignored when the index of virtual resource blocks (VRB) is read from the rectangular matrix, moreover, N _null = [N _VRB / (C · M _RBG )] · C · M _RBG -N _VRB = C · RN _VRB . 8. The method according to claim 7, in which K is 2 and N _D is 2. 9. The method according to claim 7, in which the index p _{l, d of} one of the physical resource blocks (PRB) for the first slot displayed on the index d of one of the virtual resource blocks (VRB) is set as $$p_{\mathrm{one,}d}=\{\begin{array}{l}{p}_{\mathrm{one,}d}^{\text{'}\text{'}}-R+N_{null}/2\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}\ne 0\mathrm{and}(d\ge N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C/2)=0)\\ p_{\mathrm{one,}d}^{\text{'}\text{'}}-R,\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}\ne 0\mathrm{and}(d\ge N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C/2)=\mathrm{one})\end{array}$$

in cases where $$p_{\mathrm{one,}d}^{\text{'}\text{'}}=2R\mathrm{mod}(d,C/2)+[2d/C]$$

, And How $$p_{\mathrm{one,}d}=\{\begin{array}{l}{p}_{\mathrm{one,}d}^{\text{'}\text{'}},\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}=0\mathrm{and}l\mathrm{and}(d<N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C)<2)\\ p_{\mathrm{one,}d}^{\text{'}\text{'}}-N_{null}/2\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}\ne 0\mathrm{and}(d<N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C)\ge 2)\end{array}$$

in cases where $$p_{\mathrm{one,}d}^{\text{'}\text{'}}=\mathrm{mod}(d,C)\cdot R+[d/C]$$

; the index p _{2, d of} one of the physical resource blocks (PRB) for the second slot displayed on the index d of one of the virtual resource blocks (VRB) is set as p _{2, d} = (p _{1, d} + N _VRB / 2) mod N _VRB 10. The method according to claim 9, in which the index O _{i, d of} one of the physical resource blocks (PRB) for the i-th slot (i = 1, 2) displayed on the index d of one of the virtual resource blocks (VRB), set how

. 11. A method for receiving downstream data using resource blocks in user equipment in a wireless mobile communication system, comprising receiving downlink control information from the base station including resource allocation information for downlink data; and receiving downlink data mapped to physical resource blocks (PRBs) based on this downlink control information, wherein the resource allocation information indicates a virtual resource block (VRB) allocation for user equipment, while the indices of physical resource blocks (PRB) onto which the downlink data is displayed are determined based on the relationship of the mapping between virtual resource blocks (VRB) and physical resource blocks (PRB), wherein the mapping relationship is set in such a way that the virtual resource block indices (VRB) are mapped to the physical resource block indices (PRB) for the first slot and the second subframe slot, while the physical resource block indices (PRB) for the second slot are offset relative to the physical resource indices blocks (PRB) for the first slot based on a predetermined space, wherein a predetermined offset is applied to the index of a physical resource block (PRB) when the index of this physical resource block (PRB) is equal to or greater than a predetermined threshold value. 12. The method according to claim 11, in which the predetermined threshold value is N _VRB / 2, where N _VRB is the number of consecutive indexes of virtual resource blocks (VRB). 13. The method according to item 12, in which a predetermined offset is set as N _gap -N _VRB / 2, where N _gap represents the value of a predetermined space. 14. The method according to item 13, in which consecutive indexes of virtual resource blocks (VRB) are interleaved, and the number of consecutive indices of virtual resource blocks (VRB) - N _{VRB is} set as N _VRB = 2 · min (N _gap , N _PRB -N _gap ), where N _gap represents the value of a predetermined space, and N _PRB is equal to the number of physical resource blocks (PRB). 15. The method according to 14, in which consecutive indexes of virtual resource blocks (VRB) are interleaved in such a way that the indexes of virtual resource blocks (VRB) write row by row in a rectangular matrix and read column by column, and the number of rows R is rectangular matrices specify how R = [N _DVRB / (C · M _RBG ] · M _RBG where C is equal to the number of columns of the rectangular matrix, and M _RBG is equal to the number of consecutive physical resource blocks (PRB) that make up the group of resource blocks (RBG). 16. The method according to clause 15, in which C is 4. 17. The method according to clause 15, in which the rectangular matrix includes N _D groups, while C is K · N _D , while when N _null zeros are added to the rectangular matrix, zeros are added to the last N _null / N _D rows Of the Kth column in each of the N _D groups of the rectangular matrix, while zeros are ignored when the virtual resource block indices (VRB) are read from the rectangular matrix, moreover, N _null = [N _VRB / (C · M _RBG )] · C · M _RBG -N _VRB = C · RN _VRB . 18. The method according to 17, in which K is 2 and N _D is 2. 19. The method according to 17, in which the index p _{1, d of} one of the physical resource blocks (PRB) for the first slot displayed on the index d of one of the virtual resource blocks (VRB), is set as $$p_{\mathrm{one,}d}=\{\begin{array}{l}{p}_{\mathrm{one,}d}^{\text{'}\text{'}}-R+N_{null}/2\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}\ne 0\mathrm{and}(d\ge N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C/2)=0)\\ p_{\mathrm{one,}d}^{\text{'}\text{'}}-R,\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}\ne 0\mathrm{and}(d\ge N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C/2)=\mathrm{one})\end{array}$$

in cases where $$p_{\mathrm{one,}d}^{\text{'}\text{'}}=2R\mathrm{mod}(d,C/2)+[2d/C]$$

, And How; $$p_{\mathrm{one,}d}=\{\begin{array}{l}{p}_{\mathrm{one,}d}^{\text{'}\text{'}},\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}=0\mathrm{and}l\mathrm{and}(d<N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C)<2)\\ p_{\mathrm{one,}d}^{\text{'}\text{'}}-N_{null}/2\mathrm{to}\mathrm{about}gd\mathrm{but}{N}_{null}\ne 0\mathrm{and}(d<N_{DVRB}-N_{null}\mathrm{and}\mathrm{mod}(d,C)\ge 2)\end{array}$$

in cases where $$p_{\mathrm{one,}d}^{\text{'}\text{'}}=\mathrm{mod}(d,C)\cdot R+[d/C]$$

; the index p _{2, d of} one of the physical resource blocks (PRB) for the second slot displayed on the index d of one of the virtual resource blocks (VRB) is set as p _{2, d} = (p _{1, d} + N _VRB / 2) mod N _VRB . 20. The method according to claim 19, in which the index O _{i, d of} one of the physical resource blocks (PRB) for the i-th slot (i = 1, 2) displayed on the index d of one of the virtual resource blocks (VRB) is set as

. 21. A base station transmitting downlink data using resource blocks in a wireless mobile communication system, comprising: a processor for controlling the operation of the base station and processor controlled memory unit wherein the processor is configured to transmit downlink data mapped to physical resource blocks (PRBs) to the user equipment, while the virtual resource block indices (VRB) are mapped to the physical resource block indices (PRB) for the first slot and the second subframe slot, and the physical resource block indices (PRB) for the second slot are offset relative to the physical resource block indices (PRB) for the first slots based on a predefined space, and wherein the predetermined offset is applied to the indices of physical resource blocks (PRB) equal to or greater than the predetermined threshold value. 22. User equipment for receiving downstream data using resource blocks in a wireless mobile communication system, comprising: a processor for controlling user equipment and a processor-controlled memory unit, wherein the processor is configured to receive downlink control information from the base station, including resource allocation information for transmitting downlink data, and to receive downlink data mapped to physical resource blocks (PRBs) based on the downlink control information communication wherein the resource allocation information indicates a virtual resource block (VRB) allocation for user equipment, while the indices of virtual resource blocks (VRB) onto which the downlink data is mapped are determined based on a mapping relationship between the virtual resource blocks (VRB) and the physical resource blocks (PRB), wherein the mapping relationship is set in such a way that the virtual resource block (VRB) indices are mapped to the physical resource block (PRB) indices for the first slot and the second subframe slot, while the physical resource block indices (PRB) for the second slot are offset relative to the physical resource indices blocks (PRBs) for a second slot based on a predetermined space, and wherein a predetermined offset is applied to the index of the physical resource block (PRB) when the index of this physical resource block (PRB) is equal to or greater than a predetermined threshold value.