5g發(fā)展路線和關(guān)鍵的技術(shù)(ppt32頁(yè))-資料下載頁(yè)
2025-03-08 12:16本頁(yè)面
【正文】 interference management Joint working with high low frequency Enhanced Relay working RRM on high frequency 5G Key Technologies with TDD Priority (3) mmWave Communication mmWave munication is targeted for very high data rate(Gbps) and area throughput(10Tbps/km2)in hotspot area. TDD is the dominant duplex mode for mmWave munication. 28 2014 2023 2023 2023 2023 2023 SIC Amenable MultipleAccess(SAMA) Pattern Division Multiple Access (PDMA) D e cu3D e cS I C d e t e c t i o n u1u1u2u2u4u4u3P o w e r d o m a i nS p a c e d o m a i nC o d e d o m a i nU s e r 1 ( p a t t e r n 1 )+ U s e r 2 ( p a t t e r n 2 )P1P2C o d e s t r e a m 1C o d e s t r e a m 2C o d e s t r e a m 3++1,2 2,2ss?1,4 ,4?**1 2,1??,3 ,31,5 2,5?1,3 2,3, ,11,1s 2,4s*,1?,31,5s1,3,*2*2,1s,32,52,3*2,1 ,1 ,1,2 2?t r a n s m i t t e rS I C d e t e c t i o n U s e r 1 ( p a t t e r n 1 )+ U s e r 2 ( p a t t e r n 2 )r e c e i v e rSICamenable transmitter Design SIC based MU detection Other Key Technologies (1) Pattern Division Multiple Access (PDMA) PDMA is an important technology for spectrum efficiency enhancement and system capacity promotion. 29 LTEVCell LTEVDirect Architecture for Centralized Network Architecture for Decentralized Network Local Lightweight Broadcast Slotted MAC:Flexible and Reliable 0 1 N12 ... N2N1 0 1 N12 ... N2 0 1 2R NR T T ( 0 . 1 m s )P L ( 1 0 6)U n i c a s tR e l a yM u l t i c a s tT T I ( 2 0 u s )P L ( 1 0 3)基 站C e n t r a l N e t w o r kE PE PC l u s t e r 2I n d u s t r y N e t w o r kC l u s t e r 1C e l l u l a rD y n a m i cD S CE PE PE PE PE PE PC l u s t e r 3 D S CE PE PD S CLow delay work Low delay frame structure Other Key Technologies (2) Low Delay High Reliability LTEV is TDLTE based technology for vehicular munication solution. 30 IMT use idle frequency by chance 衛(wèi) 星T V宏 小 區(qū)微 小 區(qū)微 小 區(qū)微 小 區(qū)頻 率I M T衛(wèi) 星T V??動(dòng) 態(tài) 使 用IMT use authorized spectrum by share PS database 5 G5 G 5 G非 5 G非 5 G非 5 G 非 5 G頻 率5 G非 5 G 5 G頻 率非 5 G 5 GLTE use unlicensed spectrum (LTEU) 宏 小 區(qū)C o g i t i v e R R U微 小 區(qū)微 小 區(qū)頻 率宏 小 區(qū) 微 小 區(qū)頻 率宏 小 區(qū) 微 小 區(qū)Multiple RATs from multiple operators sharing spectrum Other Key Technologies (3) Flexible Spectrum Sharing Flexible spectrum sharing is an important technology for optimal spectrum use. 謝謝觀看 希望提出指導(dǎo)與建議 演講完畢，謝謝觀看！
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