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Conference Paper
Uplink Frame Structure of Short TTI System
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- Authors
- Eunjeong Shin, Gwendo Jo
- Issue Date
- 2017-02
- Citation
- International Conference on Advanced Communication Technology (ICACT) 2017, pp.827-830
- Language
- English
- Type
- Conference Paper
- Project Code
- 16MF1200, Development of 5G Mobile Communication Technologies for Hyper-connected smart services, Chung Hyun Kyu
- Abstract
- The study item on latency reduction techniques was considered with shorter TTI length along with reduced processing times. When TTI length is shortened, the allowed processing times should be reduced linearly to achieve optimal gains. This needs to rely on new channel design. Latency reduction techniques is important KPI. 5G requirement LTE-evo needs low latency to fulfil 5G requirements, User pane latency <0.5ms end to end, reliability 99.999% in < 1ms. There are many shorted TTI length, now days, it is discussed on symbol 2, 4, 7 length. In this paper, the frame structure supports the Legacy LTE system and low latency. UEs, NodeBs which is support the low latency system, it can support the legacy LTE system. Low latency system can support one way end to end latency 1ms.
- KSP Keywords
- Channel design, End to End(E2E), LTE systems, Low latency, Optimal gains, Reduction technique, latency reduction, short TTI, uplink frame structure