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As part of 3G WCDMA, the Radio Link Control (RLC) protocol is a layer 2 protocol that provides transport services between User Equipment (UE) and the Radio Access Network (RAN). Three transport modes of operation are provided: Transparent Mode (TM), Unacknowledged Mode (UM), and Acknowledged Mode (AM). In a satellite system, the long propagation delay between the UE and the RAN make the proper configuration...
In the DoD mobile user operational system (MUOS), extremely large beams (cells), relatively small number of users traveling at high velocities, and relatively short call hold times indicate that handovers (all of which are hard handovers) will occur far less frequently than in typical commercial systems. In this paper, we estimate the frequency of handovers in MUOS using different levels of handover...
Multitrack run-length-limited (d, k) modulation codes were recently introduced as a method to increase storage densities in digital recording systems. The authors present a two-track
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