计算机工程与应用 ›› 2007, Vol. 43 ›› Issue (26): 125-128.

• 网络、通信与安全 • 上一篇    下一篇

蓝牙HCI UART传输层流量控制的研究

徐佑军   

  1. 武汉大学 计算机学院,武汉430072
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2007-09-11 发布日期:2007-09-11
  • 通讯作者: 徐佑军

Study of flow control based on bluetooth HCI UART transport layer

XU You-jun   

  1. School of Computer,Wuhan University,Wuhan 430072,China
  • Received:1900-01-01 Revised:1900-01-01 Online:2007-09-11 Published:2007-09-11
  • Contact: XU You-jun

摘要: 针对HCI UART传输层的二种流量控制方式,采用状态系列的分析方法,建立了流量控制模型,并给出了流控效率的数学表达式,总结出了最佳流控效率的条件表达式,这对降低HCI UART低速率的瓶劲效能和提高蓝牙数据传输速率具有指导意义。在上述分析基础上,开发了一个基于HCI UART流量控制性能分析的仿真软件,仿真实验结果符合流控效率的理论分析。

关键词: 蓝牙, HCI UART传输层, 流控效率, 流控策略, 状态系列

Abstract: According to state sequence analysis method,constructs a flow control model based on HCI UART,presents a mathematical formula calculating flow control performance,and proposes a condition expression of optimal performance,which has more importance for decreasing bottleneck effect of HCI UART low bautrate and increasing bluetooth transport speed.Furthermore,develops a emulate software about flow control performance analysis,which indicates the correctness of theoretical analysis.

Key words: bluetooth, HCI UART transport layer, flow control performance, flow control policy, state sequence