End-to-End Delay Jitter in LTE Uplink: Simple Models, Empirical Validation & Applications
2020
We address the problem of achieving a target end-to-end per-packet delay jitter for an uplink packet traffic from a mobile device to a central server. We provide simple analytical models for predicting the delay jitter and their empirical validation. The structural dependency of the end-to-end per-packet delay jitter on various Constant Bit Rate (CBR) traffic parameters, namely, burst length and inter-burst time, are then utilized to develop a stochastic approximation algorithm to adapt these parameters to achieve a target end-to-end delay jitter. Initial understanding is simulation-based using Network Simulator (NS3). Further, our model is evaluated against the experimental results obtained on a reported real-world implementation.
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