White Papers

Performance Evaluation of TCP in an Integrated WPAN and WLAN Environment

• Tags:
• range,
• interface,
• tcp,
• connectivity

Overview Short-range low power radio frequency systems such as Bluetooth and UWB enable the deployment of Wireless Personal Area Networks (WPAN). A WPAN can interface to larger networks to provide broader network access and Internet connectivity. This paper evaluates the performance of TCP over an integrated WLAN and WPAN system using a real network testbed. The end-to-end throughput is found to increase, when the window size is increased. However, for large window sizes, measurement results revealed that a wide range of Round Trip Times (RTTs) is experienced. The effect of the number of active short-range devices (Bluetooth in this case) in a piconet is studied in this paper.

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