IEEE 802.11ah: Advantages in standards and further challenges for sub 1 GHz Wi-Fi

Aust, Stefan; Prasad, R. Venkatesha; Niemegeers, Ignas

doi:10.1109/icc.2012.6364903

Cited by 122 publications

(73 citation statements)

References 5 publications

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“…In addition, in order to avoid potential problems related to the coverage of IEEE 802.11, sub-GHz Wi-Fi (IEEE 802.11AH) [48] may be also considered in the future for the NAN in rural scenarios, where distances are higher, but data rates are lower. In such rural scenarios, it is also worth considering White Spaces [49].…”

Section: Discussionmentioning

confidence: 99%

Multi-Faceted Assessment of a Wireless Communications Infrastructure for the Green Neighborhoods of the Smart Grid

et al. 2014

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Abstract:Reducing electricity consumption and integrating renewable power generation sources represent two of the main drivers of the so-called Smart Grid. Machine-to-Machine (M2M) communications will play a key role on making such a Smart Grid a reality, since they will enable the required bidirectional real-time bulk information exchange. However, communications for the Smart Grid present specific requirements from both technical and economic perspectives, so it is crucial to evaluate how existing communication architectures and technologies meet them before undertaking the important investments needed to deploy this kind of infrastructure on a large scale. The main goal of this paper is to evaluate, from different perspectives, the core M2M communications infrastructure of a platform designed to reduce electricity consumption and integrate renewable generation at residential level. Such a communications infrastructure is fully based on widely deployed wireless communications technologies such as IEEE 802.11 and General Packet Radio Service (GPRS). Notably, the paper assesses the operational costs of using different security solutions in the GPRS segment and the performance of the selected communications technologies based on different metrics (goodput, in the case of IEEE 802.11, and transmission time, in the case of GPRS). OPEN ACCESSEnergies 2014, 7 3454

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Section: Discussionmentioning

confidence: 99%

Multi-Faceted Assessment of a Wireless Communications Infrastructure for the Green Neighborhoods of the Smart Grid

et al. 2014

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“…IEEE 802.11ah memiliki kapasitas pengelolaan jumlah station yang besar karena memiliki hirarki signaling dan kemampuan menejemen penghematan daya [12].…”

Section: A Ieee 80211ahunclassified

“…IEEE 802.11ah adalah protokol jaringan nirkabel yang beroperasi pada bands sub 1 GHz untuk dapat menyediakan tambahan jangkauan jaringan Wi-Fi yang lebih luas, jika dibandingkan dengan jaringan Wi-Fi konvensional yang bekerja di atas bands 2,4 GHz dan 5 GHz [12]. Hal tersebut juga memengaruhi penggunaan energi yang rendah dengan membuat beberapa station atau sensor memungkinkan saling berbagi sinyal.…”

Section: A Ieee 80211ahunclassified

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Analisis Unjuk Kerja Perubahan Jumlah Node dan RAW Station pada IEEE 802.11ah

Wulandari¹,

Perdana²,

Negara³

2017

Jurnal Nasional Teknik Elektro dan Teknologi Informasi (JNTETI)

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Abstract-Rapid [4]. RAW membagi station yang terhubung pada access point menjadi beberapa group dan membuat kanal menjadi terbagi atas beberapa slot, kemudian menempatkan setiap slot pada setiap group. Setiap RAW dapat terdiri atas beberapa group dan setiap group dapat mengelola hingga 64 station [3].Wireless access network merupakan jaringan yang besteffort dalam pengiriman paketnya. Akan tetapi, layanan yang

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“…As shown in Figure 2, the 802.11ah of the channel definition is different in various countries: e.g., the United States, South Korea, 902-928 MHz; 917.5-923.5 MHz; 863-868 MHz; Chinese, Europe, Japan, 755-787 MHz; 916.5-927.5 MHz [6]. Singapore uses two independent available frequency bands, 866-869 MHz and 920-925 MHz.…”

Section: Ieee 80211 Ahmentioning

confidence: 99%

An Adaptive Contention Window Scheme for 802.11ah WLANs

Gao

2018

ITM Web Conf.

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Abstract. In order to cope with the rapid development of the Internet of things, IEEE working group has proposed a new wireless network technology, 802.11ah. IEEE 802.11ah operates at sub 1GHz band, and can provide long transmission range, wide coverage, while supporting more than 6,000 of station to be connected. In order to alleviate the high collision probability, 802.11ah MAC protocol involves in the RAW (restricted access window) mechanism combined with grouping mechanism. However, in 802.11ah WLAN (wireless local area network), most of the stations operate at sleep mode, and it is expected that at the start of a BI, the network suffers much higher collision probability than at the latter period of the BI. In order to improve these drawbacks, we propose an adaptive contention window scheme based on which an optimum contention window size is adapted at the start of the BI, and then gradually halved when the transmission completes successfully. Through conducting simulations, we prove that our proposed protocol can enhance the performance of 802.11ah WLAN.

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IEEE 802.11ah: Advantages in standards and further challenges for sub 1 GHz Wi-Fi

Cited by 122 publications

References 5 publications

Multi-Faceted Assessment of a Wireless Communications Infrastructure for the Green Neighborhoods of the Smart Grid

Multi-Faceted Assessment of a Wireless Communications Infrastructure for the Green Neighborhoods of the Smart Grid

Analisis Unjuk Kerja Perubahan Jumlah Node dan RAW Station pada IEEE 802.11ah

An Adaptive Contention Window Scheme for 802.11ah WLANs

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