. RELATED WORK
The problem of gateway placement in wireless networks is
an ongoing research problem although much of the literature
[4], [3], [5], [6] available, addresses the problem without a
very precise physical layer model (e.g., for interference) and/or
a well-defined access protocol. In [5], the authors address
this problem by proposing heuristics for several wireless link
models that iteratively select a new gateway position to satisfy
the QoS (Quality of Service) demands of the associated nodes.
In [6], the authors propose an algorithm that recursively
computes the minimum weighted dominating set to determine
optimal gateway placements such that the QoS requirements
of the users are satisfied. Unlike these or other works ( [4], [3])
available, we specifically consider the problem of optimizing
single gateway placement in WMNs under a well-defined
physical layer model (including a Signal to Interference Noise
Ratio (SINR) based interference model) and a access protocol
based on conflict-free scheduling.
. RELATED WORKThe problem of gateway placement in wireless networks isan ongoing research problem although much of the literature[4], [3], [5], [6] available, addresses the problem without avery precise physical layer model (e.g., for interference) and/ora well-defined access protocol. In [5], the authors addressthis problem by proposing heuristics for several wireless linkmodels that iteratively select a new gateway position to satisfythe QoS (Quality of Service) demands of the associated nodes.In [6], the authors propose an algorithm that recursivelycomputes the minimum weighted dominating set to determineoptimal gateway placements such that the QoS requirementsof the users are satisfied. Unlike these or other works ( [4], [3])available, we specifically consider the problem of optimizingsingle gateway placement in WMNs under a well-definedphysical layer model (including a Signal to Interference NoiseRatio (SINR) based interference model) and a access protocolbased on conflict-free scheduling.
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