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| Specifications | IEEE C802.16e-04/170r1 OFDMA PHY Layer Support for SHO Based Macro-Diversity Transmission \205 Additional components for sof\ t combining MyungKwang Byun, SeungJoo Maeng, Jaeho Jeon, Jeongheon Kim, Jungwon Kim, JaeWeon Cho, PanYuh Joo, Cha\ ngHoi Koo |
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| Specifications | IEEE C802.16e-04/170r1 OFDMA PHY Layer Support for SHO Based Macro-Diversity Transmission \205 Additional components for sof\ t combining MyungKwang Byun, SeungJoo Maeng, Jaeho Jeon, Jeongheon Kim, Jungwon Kim, JaeWeon Cho, PanYuh Joo, Cha\ ngHoi Koo |
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| Content | 2004-06-25IEEE C802.16e-04/170r1 3 transmission mode based on MSS capability and channel condition. The antennas selection can be varied from sub- channel to sub-channel to maximize spatial diversity. The allocated antennas in the BSs in the active set concurrently transmit the same data with the same CID, the BSs in the active set use the same data randomizer, the MSS demodulates the MIMO signals, and combines soft bits from each antenna, then decodes the packet based on the combined soft bits. Note that all the cases discussed in section 2.1 to 2.4 are directly applicable to MIMO case, with the need to expand an additional MIMO_in_another_BS_IE. 2.6 UL SHO based macro-diversity 2.6.1 PUSC The MSS transmits data to serving BS but other BSs in active set can also receive the data on the serving BS segment, which makes the selection diversity possible. In the case of PUSC permutation (8.4.6.2.2), PUSC of each sector in active set should be mapped based on the same permutation with a common IDcell. On the other hand, in the case of optional PUSC permutation (8.4.2.5.2), PUSC of each sector in active set may be mapped based on either same permutation or different permutation, as long as the PUSC segments in active set are disjoint. The data region to be allocated can be defined in two ways. The first one is to use UL_MAP_IE for the anchor BS. In this method, MS should keep monitoring UL_MAP of the anchor BS in active set. The second one is to use UL_MAP_IE for the anchor BS and UL_PUSC_Burst_Allocation_in_Other_Segment_IE (the proposed IE; see the end of this document) for the others BSs in active set. The second method allows MSS to select the best quality MAP message. Since every BS in active set directs MS to the same data burst allocation, the MSS in active set may choose any MAP message having higher quality. E.g., MS selects MAP message in the segment of which preamble has higher received signal level or CINR. |
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| Following Datasheets | C80216e-04_171 (21 pages) C80216e-04_171r1 (20 pages) C80216e-04_172 (2 pages) C80216e-04_172r1 (3 pages) C80216e-04_172r2 (3 pages) C80216e-04_173 (3 pages) C80216e-04_173r1 (3 pages) C80216e-04_173r2 (3 pages) C80216e-04_174 (3 pages) C80216e-04_175 (3 pages) |
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