Wei LIU, Jun LIU. Study on distributed and dynamic resource management for delay-sensitive sensor network[J]. Journal on Communications, 2017, 38(7): 70-77.
DOI:
Wei LIU, Jun LIU. Study on distributed and dynamic resource management for delay-sensitive sensor network[J]. Journal on Communications, 2017, 38(7): 70-77. DOI: 10.11959/j.issn.1000-436x.2017144.
Study on distributed and dynamic resource management for delay-sensitive sensor network
The delay-aware dynamic resource management problem was investigated in sensor network
with a focus on resource allocation among the sensors and power control along the time.By taking account of average delay requirements and power constraints
the considered problem was formulated into a stochastic optimization problem.Inspired by Lyapunov optimization theory
the intractable stochastic optimization problem was transformed into a tractable deterministic optimization problem
which was a mixed-integer resource management problem.By exploiting the specific problem structure
the mixed-integer resource management problem was equivalently transformed into a single variable problem
and the cooperative distributed method was present to effectively solve it with guaranteed global optimality.Finally
a dynamic resource management algorithm was proposed to solve the original stochastic optimization problem.Simulation results show the performance of the proposed dynamic algorithm and reveal that there exists a fundamental tradeoff between delay requirements and power consumption.
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