Shulou(Shulou.com)11/24 Report--

CTOnews.com, November 3, according to the release of 5G Propulsion Group, in October this year, Nokia Bell successfully completed the technical verification test of low delay and high reliable communication (URLLC) and high precision timing under the guidance of IMT-2020 (5G) propulsion group.

In this URLLC test, Nokia Bell used mature commercial 5G base stations and adopted the terminal based on MediaTek M80 Tianji 9000 flagship 5G mobile platform to verify the key technologies of low delay enhancement such as DS1ms low-delay frame structure, PDSCH / PUSCH non-slot non-slot scheduling, uplink PUSCH scheduling-free transmission, as well as high aggregation level PDCCH, high reliable CQI forms, PDSCH / PUSCH low bit rate MCS and slot-level repeat transmission. Through the comprehensive application of a variety of key technologies with low delay and high reliability, the reliable low delay performance of 99.99% packet end-to-end bi-directional 8ms is achieved in commercial medium and low frequency bands.

CTOnews.com learned that the R16 high-precision timing test, using the test terminal based on Ziguang Zhanrui V516 chip platform, verified that the system information SIB9 sends clock reference information, and the terminal provides timing signal to the outside, and the timing accuracy is less than 1us.

Low-delay and high-reliability communication (URLLC) is an important innovative function brought by 5G, which can support mission-critical communication with lower delay and higher reliability. URLLC is widely seen as meeting the requirements of applications such as industrial Internet, smart grid, infrastructure protection, remote surgery and intelligent transportation systems, such as reliable remote operation with robots or coordination between vehicles. In addition, high-precision timing function is also a key 5G technology for special scenarios such as industrial Internet.

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