 of PRUs Assigned to mini-bands Frequency UFPC (4/3/3) Number of frequency Frequency Partitioning partitions Partition Number of PRUs in FPi UFPSC (3/2/1) KSB-FPi Number of sub-bands Sub-band sssigned to FPi KMB-FPi Number of mini-bands Sub-band assigned to FPi (groups of N1 PRUs) LSB-FPi=N1 * Number of mini-bands KSB-FPi assigned to FPi LMB-FPi =N2 * Number of PRUs KMB-FPi assigned to sub-bands in FPi Sector CRU/DRU UCASSBO (5/4/3) S-SFH LSB-CRU-FPi Number of sub-band Specific Allocation Sub-packet 1 CRUs in FPi UCASMBO (5/4/3) LMB-CRU-FPi Number of mini-band CRUs in FPi UCAS (3/2/1) LCRU-FPi = Number of CRUs in FPi LSB-CRU-FPi + LMB-CRU-FPi LDRU-FPi = Number of DRUs in FPi FPS - LCRU-FPi Tile Permutation IDcell (10 bits) Obtained from SA-Preamble CHAPTER 9 The IEEE 802.16m Physical Layer (Part |) CRU(FP0) Sub-band Mini-band Frequency Partitioning Partitioning Partitioning PPRUSB DRU(FP0) CRU(FP1) DRU(FP1) CRU(FP2) DRU(FP2) CRU(FP3) Sector-Common Procedure DRU(FP3) Sector-Specific Procedure FIGURE 9-27 An example procedure for the formation of uplink CRUs and DRUs for 10 MHz bandwidth [2] 9.8 Subchannelization and permutation CRU(FPo) DRU(FPo) Tile 0 Tile 0 CRU(FP1) Tile 1 Tile 7 Tile 2 Tile 10 Tile 3 Tile 1 Tile 4 Tile 4 DRU(FP Tile 5 Tile 11 Tile 6 Tile 2 Permutation CRU(FP2) Tile 7 Tile 5 Tile 8 Tile 8 Tile 9 Tile 3 Tile 10 Tile 6 DRU (FP2) Tile 11 Tile 9 CRU(FP3) DRU(FP3) FIGURE 9-28 An example of uplink tile permutation (BW = 10 MHz, KSB = 7, FPCT = 4, FPS0 = FPS = 12, UFPSC = UCASSBO = 1, UCASMBO = 1,UCAS,=2,IDcell=2,and = Subframe Index = 0) [2] CHAPTER 9 The IEEE 802. 16m Physical Layer (Part I) HARQ Feedback Channels i and j Secondary Fast Feedback Channels Mini-Tile Feedback Mini-Tile -UL Subframe -UL Subframe Pilot HARQ Feedback Primary Fast Feedback Channels Channels Fast Feedback Channels Feedback Mini-Tile Bandwidth Request Channels Traffic Channels UL Subframe UL Subframe UL Tile Frequency FIGURE 9-29 The location and structure of various uplink subchannels in IEEE 802.16m [2] 9.8 Subchannelizatio