Modeling and Analysis of an Energy-Efficient Mobility Management Scheme in IP-Based Wireless Networks

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An energy-efficient mobility management scheme in IP-based wireless networks is proposed to reduce the battery power consumption of mobile hosts (MHs). The proposed scheme manages seven MH states, including transmitting, receiving, attention/cell-connected, attention/paging area(PA)-connected, idle, off/attached, and detached states, to efficiently manage battery power, radio resources, and network load. We derive the stationary probabilities and steady state probabilities of the seven MH states for the proposed scheme in IP-based wireless networks in compact form. The effects of various input parameters on MH steady state probabilities and power consumption are investigated in the proposed scheme compared to the conventional scheme. Network costs such as cell updates, PA updates, binding-lifetime-based registrations, and paging messages are analyzed in the proposed and conventional schemes. The optimal values of PA size and registration interval are derived to minimize the network cost of the proposed scheme. The combined network and power costs are investigated for the proposed and conventional schemes. The results provide guidelines to select the proper system parameters in IP-based wireless networks.
Publisher
MDPI AG
Issue Date
2011-12
Language
English
Article Type
Article
Keywords

STEADY-STATE ANALYSIS; P-MIP

Citation

SENSORS, v.11, no.12, pp.11273 - 11294

ISSN
1424-8220
URI
http://hdl.handle.net/10203/100998
Appears in Collection
EE-Journal Papers(저널논문)
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