We present a novel scheme to formulate the throughput and the average number of successfully transmitted packets in a multinode Bluetooth low-energy (BLE) platform during each connection event. In this scheme, the wireless link is considered to be error prone which leads to the existence of uncorrelated bit error. Our proposed scheme considers factors that cause a connection event to close. The effect of master’s scheduling algorithm and BLE parameters on this scheme are also discussed to establish a comprehensive study on finding the throughput of a peripheral node in a BLE network. It is clear that an analytical model to formulate the throughput of a node offers a beneficial guideline for understanding the BLE throughput and ultimately the types of applications for which BLE technology would be a suitable option. We performed extensive experiments on the BLE v4.2 platform to investigate the throughput of a BLE node in a multipacket data transmission during a connection event. The results of our experimental study show some of the deficiencies that exist in the existing BLE devices such as the limitation on the maximum allowable packets during a connection event or the design of the scheduling process used by the central node.

中文翻译：

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基于节点和链路参数制定BLE吞吐量

我们提出了一种新颖的方案，用于在每个连接事件期间在多节点蓝牙低功耗 (BLE) 平台中制定吞吐量和成功传输数据包的平均数量。在该方案中，无线链路被认为是容易出错的，从而导致不相关比特错误的存在。我们提出的方案考虑了导致连接事件关闭的因素。还讨论了master的调度算法和BLE参数对该方案的影响，以建立一个关于寻找BLE网络中外围节点吞吐量的综合研究。很明显，用于制定节点吞吐量的分析模型为理解 BLE 吞吐量以及最终适合 BLE 技术的应用类型提供了有益的指导。我们在 BLE v4.2 平台上进行了大量实验，以研究连接事件期间多包数据传输中 BLE 节点的吞吐量。我们的实验研究结果显示了现有 BLE 设备中存在的一些缺陷，例如在连接事件期间对最大允许数据包的限制或中央节点使用的调度过程的设计。