Abstract
Mobile terminals (MTs) in real personal communication service (PCS) environments are turned off due to limited battery lifetime, avoidance of unwanted incoming calls, and undesirable subscriber behaviors. Since the probability that an MT is in the off-state may be significant, MT power on/off-state transition behavior and the effect of state management on mobile communication networks require analysis. Two MT power on/off-state management schemes are introduced based on the level of location registers (LRs) for managing MT state information. Effects are investigated from the aspects of a radio interface, a network, and a database based on the modeling of the state transition behavior of an MT for varying values of MT and mobile communication network parameters. These values include the MT on/off duration and the incoming call arrival rate. Although additional database processing overhead exists, the management of MT power on/off-states provides a significant reduction in overhead from the aspects of the radio interface and the network. There is a tradeoff between the two management schemes as the MT on/off ratio varies.
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