RU2010128218A - METHOD FOR PLANNING DISTRIBUTED VIRTUAL RESOURCE BLOCKS - Google Patents

Abstract

1. A method for distributive mapping of sequentially allocated virtual resource blocks to physical resource blocks in a wireless mobile communication system, comprising:! interleaving, using a block interleaver, the indices of the virtual resource blocks; and sequentially mapping the interleaved indices to the first slot and the second slot of the subframe with a space for allocation,! wherein the space is a multiple of the square of the number of physical resource blocks (MRBG) constituting the RBG, wherein the resource block group is indicated with one bit for resource allocation. ! 2. The method of claim 1, wherein when the degree of the block interleaver is determined as the number of columns (C = 4) of the block interleaver, the number of rows (R) of the block interleaver is given by expression (1) and the number of zeros (Nnull) filled in the block interleaver , set by expression (2):! [expression 1]! R = Ninterleaver / C = [NDVRB / (C · MRBG)] · MRBG,! Ninterleaver = [NDVRB / (C · MRBG)] · C · MRBG; ! [expression 2]! Nnull = Ninterleaver-NDVRB = [NDVRB / (C · MRBG)] · C · MRBG-NDVRB,! Ninterleaver = [NDVRB / (C · MRBG)] · C · MRBG,! where MRBG is the number of physical resource blocks that make up a resource block group (RBG), and NDVRB is the number of distributively allocated virtual resource blocks. ! 3. The method of claim 2, wherein when the zeros are allowed to be inserted into the block interleaver, the number of distributed virtual resource blocks (NDVRB) is given by:! NDVRB = min (NPRB-Ngap, Ngap) 2. ! 4. The method of claim 1, wherein the degree of the block interleaver is equal to an NDivOrder determined by the allocation. ! 5. The method of claim 1, wherein when zeros are added to the block interleaver, the step of performing content interleaving

Claims (15)

1. A method for the distributive mapping of sequentially distributed virtual resource blocks to physical resource blocks in a wireless mobile communication system, comprising: interleaving using an interleaver of blocks, indexes of virtual resource blocks; and sequentially displaying the interleaved indices on a first slot and a second slot of a subframe with a space for distribution, moreover, the space is a multiple of the square of the number of physical resource blocks (M _RBG ) constituting the group of resource blocks (RBG), while for the allocation of resources the group of resource blocks is indicated by one bit. 2. The method according to claim 1, wherein when the degree of block interleaver is defined as the number of columns (C = 4) of the block interleaver, the number of rows (R) of the block interleaver is defined by expression (1) and the number of zeros (N _null ) filled into the interleaver blocks, set by the expression (2): [expression 1] R = N _interleaver / C = [N _DVRB / (C · M _RBG )] · M _RBG , N _interleaver = [N _DVRB / (C · M _RBG )] · C · M _RBG ; [expression 2] N _null = N _interleaver -N _DVRB = [N _DVRB / (C · M _RBG )] · C · M _RBG -N _DVRB , N _interleaver = [N _DVRB / (C · M _RBG )] · C · M _RBG , where M _RBG is the number of physical resource blocks making up the group of resource blocks (RBG), and N _DVRB is the number of distributable virtual resource blocks. 3. The method according to claim 2, in which, when it is allowed to enter zeros in the block interleaver, the number of distributively distributed virtual resource blocks (N _DVRB ) is _{defined by the} expression: N _DVRB = min (N _PRB -N _gap , N _gap ) 2. 4. The method according to claim 1, in which the degree of interleaver blocks is equal to the diversity _factor (N _DivOrder ), determined by the distribution. 5. The method according to claim 1, in which when zeros are added to the block interleaver, the interleaving step comprises dividing the block interleaver into groups with the number (N _D ) of physical resource blocks onto which one virtual resource block is mapped, and uniform distribution of zeros in the divided groups. 6. The method according to claim 5, in which each group corresponds to a corresponding row of block interleaver, respectively, when the degree of block interleaver is the number of rows of the block interleaver, and the corresponding column of interleaver blocks, respectively, when the degree of block interleaver is the number of columns of the block interleaver . 7. The method according to claim 1, in which when the index d of one of the distributively distributed virtual resource blocks is set, the index p _{1, d of} one of the physical resource blocks on the first slot mapped to the index d is set by expression (1), and the index p _{2, d of} one of the physical resource blocks on the second slot, mapped to index d, is defined by the expression (2): [expression (1)]

in cases where p ' _{1, d} = mod (d, C) · R + [d / C],

in cases where p ' _{1, d} = mod (d, C / 2) · 2R + [2d / C]; [expression (2)] p _{2, d} = mod (p _{1, d} + N _DVRB / 2, N _DVRB ), where R is the number of rows of block interleaver, C is the number of columns of block interleaver, N _DVRB is the number of resource blocks used for distributively distributed virtual resource blocks, and mod means modulo operation. 8. The method according to claim 1, wherein the number of virtual resource blocks (N _DVRB ) is a multiple of the value obtained by multiplying the square of the number of physical resource blocks (M _RBG ² ) that make up the group of resource blocks (RBG) by the number (N _D ) of physical resource blocks blocks onto which one virtual resource block is mapped. 9. A method of distributive mapping of sequentially assigned virtual resource blocks to physical resource blocks in a wireless mobile communication system, comprising: interleaving using an interleaver of blocks, indexes of virtual resource blocks; and sequentially displaying the interleaved indices on a first slot and a second slot of a subframe with a space for distribution, moreover, the gap (N _gap ) for the distribution is given by the expression N _gar = round (N _PRB / ( _{2M RBG} ² )) M _RBG ² where M _RBG represents the number of physical resource blocks constituting a group of resource blocks (RBG), and N _PRB represents the number of physical resource blocks of the system. 10. The method according to claim 9, in which, when allowed to enter zeros in the block interleaver, the number of distributively distributed virtual resource blocks (N _DVRB ) is set by the expression: N _DVRB = min (N _PRB -N _gap , N _gap ) 2. 11. A method of mapping resource blocks for distributive mapping of sequentially assigned virtual resource blocks to physical resource blocks in a wireless mobile communication system, comprising: determining virtual resource block indices from a resource indication value (RIV) indicating an initial number of virtual resource block indices and the length of virtual resource blocks; and interleaving these specific indices of virtual resource blocks using an interleaver of blocks, and distributively mapping virtual resource blocks to physical resource blocks, moreover, the degree of block interleaver is equal to the diversity _factor (N _DivOrder ), determined by the distribution. 12. The method according to claim 11, in which, if the number of virtual resource blocks (N _DVRB ) is not a multiple of the degree of block interleaver, then the step of performing the interleaving comprises dividing the block interleaver into groups with the number (N _D ) of physical resource blocks onto which one virtual resource block, and even distribution of zeros in divided groups. 13. The method according to claim 1, in which the gap is 0, when the number of virtual resource blocks is greater than a predetermined threshold value (M _th ) or equal to a predetermined threshold value (M _th ). 14. The method according to claim 1, further comprising receiving information about the gap, the gap being determined using the received information about the gap. 15. The method according to any one of claims 1 to 14, further comprising receiving a resource indication value (RIV) at a mobile station of a wireless mobile communication system, wherein the resource indication value is used to determine the virtual resource block indices and indicates the starting number of the virtual resource block indices and the length of the virtual resource blocks