Naeem Khademi's Personal Blog
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| Blog Name: | Naeem Khademi's Personal Blog |
| Url: | http://khademi-naeem.blogspot.com |
| Language: | English |
| Topics: | astronomy, flight simulator, malaysia |
| Description: | its about my favorite hobbies ; astronomy , flight , fighters , F-14 , International space station , news , ephemeris , moon phase ,currency rate , my bachelor thesis , flight simulator blog , fs2004 , weather report , climatology , computer science , my pictures in malaysia , malaysian experiences , ... |
| Popularity: | 2 Followers |
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How does 802.11n get to 600Mbps?
802.11n incorporates all earlier amendments to 802.11, including the MAC enhancements in 802.11e for QoS and power savings. The design goal of the 802.11n amendment is “HT” for High Throughput. The throughput it claims is high indeed: up to 600 Mbps in raw bit-rate. Let’s start with the maximum throughput of 802.11g (54 Mbps), and see what techniques 802.11n applies to boost it to 600 Mbps: 1. More subcarriers: 802.11g has 48 OFDM data subcarriers. 802.11n increases this number to 52, thereby boosting throughput from 54Mbps to 58.5 Mbps. 2. FEC: 802.11g has a maximum FEC (Forward Error Correct
802.11n incorporates all earlier amendments to 802.11, including the MAC enhancements in 802.11e for QoS and power savings. The design goal of the 802.11n amendment is “HT” for High Throughput. The throughput it claims is high indeed: up to 600 Mbps in raw bit-rate. Let’s start with the maximum throughput of 802.11g (54 Mbps), and see what techniques 802.11n applies to boost it to 600 Mbps: 1. More subcarriers: 802.11g has 48 OFDM data subcarriers. 802.11n increases this number to 52, thereby boosting throughput from 54Mbps to 58.5 Mbps. 2. FEC: 802.11g has a maximum FEC (Forward Error Correct
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