Evaluation of 5G Positioning Based on Uplink SRS and Downlink
Through a comparative analysis of UL-SRS and DL-PRS signals, this study enhances the current understanding of 5G positioning performance, offering empirical insights
In 5G communication, uplink and downlink refer to the two directions of data transmission between the User Equipment (UE), such as smartphones or IoT devices, and the 5G base station known as gNB (Next Generation Node B). These two directions play a crucial role in defining the performance and behavior of wireless communication in 5G networks.
By evolving existing 5G sites with new advanced software and radio hardware solutions that leverage frequency division duplex, uplink performance can be vastly improved in terms of achievable user throughput and capacity.
Packet communication is central to the 5G new radio (NR) interface. This topic presents the communication flow between the 5G base station (gNB) and user equipment (UE) nodes, explaining the uplink (UL) and downlink (DL) transmission. System-level simulation involves the transmission of various packet types in both UL and DL directions.
The test verifies that the maximum number of DL-SCH (Downlink Shared Channel) transport block bits are decoded correctly and delivered to upper layers. The following table presents an overview of the 5G downlink throughput test case:
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