Abstract
LoRa is a physical layer technology with the ability to connect multiple devices in a wide area of coverage, with low power consumption and with interference robustness. In this Letter, we investigate the efficiency of LoRa to send multiple uplink streams, analyzing strategies of allocating the spreading factor for coverage or capacity enhancement.
Highlights
A well-known Low-Power Wide Area Network (LPWAN) technology is the LoRaWAN [1], which is based on the physical layer technique LoRa (Long Range) in order to guarantee a robust signal over noise and interference, even in wider area deployments
This policy corresponds to Adaptive Data Rate (ADR) defined in LoRaWAN standards and the assignment vector depends on the deployment factors, such as position of End Devices (ED), wireless channel, and interference
The 95% confidence interval is represented by the shadow around the curves
Summary
A well-known Low-Power Wide Area Network (LPWAN) technology is the LoRaWAN [1], which is based on the physical layer technique LoRa (Long Range) in order to guarantee a robust signal over noise and interference, even in wider area deployments. In this Letter, we present a flexible strategy for SF assignment that can be configured for different network. The simplicity of such strategy allows a direct implementation on equipment with hardware constraints and an interesting analysis considering both viewpoints: capacity and coverage. A simple and generic SF allocation strategy that can be configured to increase capacity or coverage, and.
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