Enable short slot time 802.11n

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ASUS Wireless-Wi-Fi 802.11n USB Wi-Fi Adapters/Dongles for

Reducing the slot time from the standard 20 microseconds to the 9-microsecond short slot time decreases the overall backoff, which increases throughput. Backoff, which is a multiple of the slot time, is the random length of time a station waits before sending a packet on the LAN. Many 802.11g radios support Shortslot override, but some do not. Sonicpoint connections active, but not connected to the ... Mode: 5GHz n/a Enable DFS. Radio band: Auto ( This is set at Standard depending on the location) Enable Short Guard. Enable MIMO. IDS scan daily (6am) Beacon Interval: 100. DTIM: 1. Fragmentation: 2346. RTS: 2346. Station Timeout: 1440. Preamble: Short. Enable short slot time. We still get a few dropped packets here and there. Short slot times versus short preambles - cwnp.com

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Vanet Chapter | Routing | Ieee 802.11 Vanet Chapter - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

man IEEE80211 (9): 802.11 network layer

When you enable short slot time, the wireless device uses the short slot time only when all clients associated to the 802.11g, 2.4-GHz radio support short slot time. Short slot time is supported only on the 802.11g, 2.4-GHz radio. MAC level Throughput comparison: 802.11ac vs. 802.11n ... In short MSDUs this number limits both 802.11n and 802.11ac and their maximum Throughputs are therefore equal. For PHY rate R of 45 Mbps there is no difference between 802.11n and 802.11ac also in the case of long MSDUs, while in the PHY rate R of 450 Mbps 802.11ac is better than 802.11n.

6/8/2015

Configuring Advanced Wireless Settings - Technical To disable short slot for 802.11g packets: In the NSM navigation tree, select Device Manager > Devices. Double-click the device object to open the device configuration. In the device navigation tree, select Wireless Settings > Advanced, and then select Long in the Set Slot Time option. Configuring Preambles An idle listening-aware energy efficient scheme for the An Idle Listening-aware Energy Efficient Scheme for the DCF of 802.11n 451 κDIFS, can be expressed through Equation (10), if we assume We list the simulated parameters of 802.11n … 802.11n Wi-Fi Access Point - Ubiquiti Networks

Vanet Chapter - Free download as PDF File (.pdf), Text File (.txt) or read online for free.

DCF Interframe Space - Wikipedia If it finds that the medium is continuously idle for DCF Interframe Space (DIFS) duration, it is then permitted to transmit a frame. If the channel is found busy during the DIFS interval, the station should defer its transmission. DIFS duration can be calculated by the following method. DIFS = SIFS + (2 * Slot time) Advanced wireless settings - DD-WRT Wiki Reducing the slot time from the standard 20 microseconds to the 9-microsecond short slot time decreases the overall backoff, which increases throughput. Backoff, which is a multiple of the slot time, is the random length of time a station waits before sending a packet on the LAN. Many 802.11g radios support Shortslot override, but some do not. Guard interval - Wikipedia Ideally, the guard interval is just longer than the delay spread of the channel. 802.11 guard interval. The standard symbol guard interval used in 802.11 OFDM is 0.8 μs. To increase data rate, 802.11n added optional support for a 0.4 μs guard interval. This provides an 11% increase in data rate. 802.11 Mgmt : Beacon Frame | mrn-cciew