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60 GHz millimeter-wave wireless LAN (WLAN) has been attracting much interest of industry because of its very high capacity. However, it needs many antennas to cover a wide space on account of the strong atmospheric extinction and directivity of 60 GHz RF signal. If an access point (AP) is deployed for each of many antennas in a 60 GHz WLAN, the total cost of APs becomes very high. For reducing the...
The size of data exchanged via the Internet and the number of Wi-Fi devices have been increasing, and the amount of data traffic will continue to increase in the future. Thus, ensuring the communication capacity of wireless LANs is one of the most important issues. By reducing communication coverage of each wireless LAN access point (AP) and densely deploying APs, it is possible to improve the communication...
The IEEE 802.11 Distributed Coordination Function (DCF) is based on the Carrier Sense Multiple Access (CSMA) algorithm for avoiding collisions of frames. In CSMA, spatial reuse can be improved by suitably changing the carrier sense threshold (CST). If the increased CST does not incur collisions and helps concurrent transmissions from multiple devices, this improves the throughput of the wireless LAN...
The IEEE 802.11 Distributed Coordination Function (DCF) is based on the Carrier Sense Multiple Access (CSMA) algorithm for avoiding collisions of frames. In CSMA, spatial reuse can be improved by suitably changing the carrier sense threshold (CST). If the increased CST does not incur collisions and helps concurrent transmissions from multiple devices, this improves the throughput of the wireless LAN...
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