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This paper suggests the new network scanning algorithm that makes use of measurement pilot of IEEE 802.11k. The purpose of suggesting this algorithm is to improve the existing network scanning schemes. After introducing new algorithm, this paper shows the difference of time property and energy property between former scanning schemes and new scheme with simulation results. Passive scan has a merit of low-power consumption but it takes too long time to fulfill whole scanning. On the contrary, an advantage of active scan is speed but it consumes more battery power than passive scan. By using measurement pilot’s smaller interval than beacon interval, the suggested algorithm can consume less power than active scan does, and also make shorter scanning delay than passive scan does. ※   2013 ()      (No. NRF-2013R1A1A2010388). First Author : Korea University School of Electrical Engineering, schk00@korea.ac.kr,  ° Corresponding Author : Korea University School of Electrical Engineering, hnkim@korea.ac.kr,  * Korea University School of Electrical Engineering, gustns2010@korea.ac.kr :KICS2014-02-048, Received February 7, 2014; Revised May 29, 2014; Accepted May 29, 2014 I.             ,               .                  / IEEE 802.11k-Measurement Pilot      483      . IEEE 802.11       AP     .         AP ,           .                .    Probe Request  AP     Probe Response .             .   AP   ,   Probe Request/Response   Air        .         IEEE 802.11k     Measurement Pilot  ,      AP            .   Measurement Pilot     ,                 ,        . 2         3 Measurement Pilot         ,    . 4 3            ,          . 5         .

Power Efficient Network Scanning Algorithm Based on IEEE 802.11k-Measurement Pilot