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IEEE 802.19.3 Standardization for Coexistence of IEEE 802.11ah and IEEE 802.15.4g Systems in Sub-1 GHz Frequency Bands IEEE 802.19.3 Standardization for Coexistence of IEEE 802.11ah and IEEE 802.15.4g Systems in Sub-1 GHz Frequency Bands Yukimasa, Nagai Takenori, Sumi Jianlin, Guo Philip, Orlik Hiroshi, Mineno Yukimasa, Nagai Takenori, Sumi Jianlin, Guo Philip, Orlik Hiroshi, Mineno Low power wide area wireless communication technologies are attracting attention particularly for various IoT applications. IEEE 802.11ah and IEEE 802.15.4g are two wireless technologies designed for outdoor IoT applications and installed on consumer devices, for which both technologies operate in frequencies below 1 GHz (Sub-1 GHz Band). In addition, both technologies have communication range up to 1000 meters. Therefore, 802.11ah and 802.15.4g networks are likely to coexist. Our simulation results using standard defined coexistence mechanisms show that 802.11ah network can severely interfere with 802.15.4g network and leads to significant packet loss in 802.15.4g network. 802.15.4g network can also cause packet latency in 802.11ah network. Accordingly, IEEE New Standards Committee and Standard Board formed IEEE 802.19.3 Task Group in December 2018 to develop an IEEE 802 standard for the coexistence of 802.11ah and 802.15.4g systems in the Sub-1 GHz frequency bands to guide product deployment. Authors of this paper have been leading this standard development. This paper introduces the IEEE 802.19.3 standardization activities that address coexistence issues of 802.11ah and 802.15.4g systems, and summarizes our technical contributions and simulation results. Low power wide area wireless communication technologies are attracting attention particularly for various IoT applications. IEEE 802.11ah and IEEE 802.15.4g are two wireless technologies designed for outdoor IoT applications and installed on consumer devices, for which both technologies operate in frequencies below 1 GHz (Sub-1 GHz Band). In addition, both technologies have communication range up to 1000 meters. Therefore, 802.11ah and 802.15.4g networks are likely to coexist. Our simulation results using standard defined coexistence mechanisms show that 802.11ah network can severely interfere with 802.15.4g network and leads to significant packet loss in 802.15.4g network. 802.15.4g network can also cause packet latency in 802.11ah network. Accordingly, IEEE New Standards Committee and Standard Board formed IEEE 802.19.3 Task Group in December 2018 to develop an IEEE 802 standard for the coexistence of 802.11ah and 802.15.4g systems in the Sub-1 GHz frequency bands to guide product deployment. Authors of this paper have been leading this standard development. This paper introduces the IEEE 802.19.3 standardization activities that address coexistence issues of 802.11ah and 802.15.4g systems, and summarizes our technical contributions and simulation results. 情報処理学会 2020-09-22 eng technical report https://ipsj.ixsq.nii.ac.jp/records/207154 2188-8604 AA12628327 研究報告コンシューマ・デバイス＆システム（CDS） 2020-CDS-28 9 1 8 https://ipsj.ixsq.nii.ac.jp/record/207154/files/IPSJ-CDS20028009.pdf application/pdf 496.1 kB 2022-09-22