Abstract
WLAN can provide access to core network for mobile p hones, laptops and IoT devices. It becomes more necessary in some places such as office, shopping mall and stadium. Wireless devices need to connect with Access Point (AP) to obtain various kinds of service. Therefore, deployment of AP is important to guarantee QoS and user experience of the deployed WLAN. Most former works focus on signal coverage and cost of AP but neglect some problems in WLAN planning; for example, non-uniform user distribution, interference from existing WLAN system, and interference from other devices with same frequency. In order to solve these problems, we propose a WLAN planning method by using genetic algorithm to optimize placement and channel assignment of AP. We evaluate the network performance including delay and throughput by our method. The results show that WLAN planned by our method has better network performance by solving the problems.
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