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The performance of the proposed timestamp compensation method is evaluated by system simulation assuming an overlapping BSS environment of IEEE 802.11n wireless LAN.
Performance metric is the root mean square error of frame reception times.
In this simulation, the jitter distribution is subjected to the distribution obtained by the measurement experiment.
We assumed 8 BSSs, and each BSS consists of one AP and STA in an area with a size of 200 m squares.
100 packets were transmitted per second on each uplink and downlink.
The transmission power was set to 20 dBm, and we assumed WINNER II B3 indoor hotspot channel as the propagation model.
We compared the performances of two schemes. One is the case when only periodic clock synchronization is performed without proposed method.
The other case is when the proposed method is employed. |
IEEE/ICACT20210244 Slide.15
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