Expansion of MIMO function

3GPP is constantly working to improve the performance and efficiency of Multiple-Input Multiple-Output (MIMO), and Release 16 follows that trend. Although the MIMO framework was released in release 15, some features were not released. Release 16 includes enhancements to multi-user MIMO (MU-MIMO), enabling communication with multiple transmit/receive points (multi-TRP) to improve link reliability, supporting multi-beam management, and supporting PAPR (Peak to Average Power Ratio). ) are enhanced in many technical areas, such as an improved reference signal to reduce . In addition, Release 16 enables transmission at maximum power in the uplink for MIMO-capable equipment, which can improve coverage at cell edges.

Power saving function

In order to extend battery life in battery-powered equipment, it is important to reduce the power consumption of the equipment. Release 16 introduces several new power saving features. For example, a function called WUS (Wake Up Signal) is implemented, which notifies the device of the pending status of communication and puts it in standby mode when communication is not required, so that it periodically queries the base station. The DRX (Discontinuous Reception) interval can be further extended, making it possible to maintain a low power consumption state. In addition, it is now possible to achieve longer battery life by optimizing low power settings, reducing overhead, and introducing more efficient power control mechanisms.

NR Unlicensed (NR-U)

5G has carrier 5G operated by telecommunication carrier companies and local 5G that can be operated by anyone, but in order to operate both, a radio station license from the Ministry of Internal Affairs and Communications was required. However, with Release 16, the standard specification for releasing unlicensed bands to 5G was newly announced, making it possible for anyone to install it. Two types of NR-U are defined: Anchored NR-U, which uses both licensed and unlicensed bands, and Standalone NR-U, which uses only unlicensed bands.

Radio Access Backhaul Integrated Transport (IAB)

One of the key challenges in expanding 5G mmWave network coverage to a wider area is the cost of deploying additional mmWave base stations. Release 16 introduces a new method called Integrated Access Backhaul (IAB) to implement network backhaul, making it easier and faster to deploy and enhance coverage of 5G mmWave networks. rice field. By providing both wireless access to devices using 5G communication and wireless backhaul, the IAB eliminates the need for wired backhaul, making it possible to efficiently add new base stations. It can significantly reduce the time required to deploy a 5G network.

Extension of URLLC function (eURLLC)

To support new use cases such as factory automation, Release 16 strengthens the foundation of 5G URLLC to further improve link reliability and reduce latency. Reliability and latency go hand in hand, and as errors increase, latency increases as additional transmissions are required to correct the errors. For such use cases, simply increasing the number of retransmissions is not sufficient due to tighter delay bounds. CoMP (Coordinated Multi-Point) is introduced to overcome the system issues. CoMP is a technology that uses multi-TRP to prepare spatially redundant communication paths so that even if one path is temporarily interrupted, the remaining paths can be used to maintain communication. It is

5G-related products (Release 16 compatible)

5G-related products (Release 15 compatible)

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