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Network load is one of the key tests in wireless LANs. This objective is typically achieved when the load of access points is well-adjusted. Recent studies on operational WLANs, shown that AP load is often uneven distribution. To correct such overload, several load balancing schemes have been suggested. These procedures are commonly required proprietary software or hardware at the user side for controlling the user-AP association. To achieve efficient resource usage without requiring changes to client software, the authors propose the use of cell breathing technique. In this paper, they try present a new load balancing method by controlling the size of WLAN cells, which is conceptually similar to cell breathing in cellular networks.
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