New 802.11n Features: Briefly

New 802.11n Features: Briefly

By CWNP On 08/03/2007 - 15 Comments

802.11n has many new features including Space Time Block Coding (STBC), Spatial Multiplexing (SM), Cyclic-Delay Diversity (CDD), Maximal Ratio Combining (MRC), and Transmit Beam Forming (TxBF). A great summary of these features is found in an Atheros whitepaper here: http://www.atheros.com/pt/whitepapers/MIMO_Pwr3_whitepaper.pdf

Not all of these features are found in all 802.11n equipment, and not all of these features are tested in the Wi-Fi Alliance's (WFA) new 802.11n-draft2.0 certification. For example, STBC Tx 2x1 is manditorily tested by the WFA for the AP only, and Rx is optionally tested. TxBF will optionally be tested, but at a later date. MRC and CDD are not mentioned at all. With so many new enhancements in 802.11n, some of which are not implemented in some products, some of which are not compatibility tested, and most of which are confusing to most users and buyers, my guess is that there's going to be lots of fear, uncertainty, and doubt (FUD) in the market for a while. My suggestion is to do your homework. Don't take anyone's word for interoperability, performance, or features. Build your own pilot for every implementation.

Devin Akin
CTO, The CWNP Program 

15 Responses to New 802.11n Features: Briefly

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The game features a very detailed system of states that you and your enemies impose on each other with weapons, maps and demon forces.

Indeed, it seems that the authors of the last three parts of Tropico did their own new play as a direct response to The Incredible Adventures of Van Helsing . The protagonist, Victor Vran himself, is the same hunter for monsters in a hat who comes to a certain city that has been attacked by any abomination. He also periodically visits the shelter, where rare survivors are hiding - there you can also trade, buy improvements and do "crafting" (more on this later).

From the shelter, the hero goes to different parts of the city to cut, chop, burn, poison, shoot (yes, magic and cold weapons are also neighbors with shotguns and hand grenade launchers) and in all other ways to destroy crowds of vampires, skeletons, lich, spiders, elementals and other creatures.

And although in general Victor Vran - the game is more serious and gloomy, here too there was a place for irony and snide comments. They are not let go of the ghostly lady Katarina, but a certain voice in the head of our hero. Sometimes he openly mocks, offering to retrain to a pirate or, for example, throwing coins to lure to especially dangerous monsters.

However, its own Katharina is also here. This is the queen, who, like her namesake from The Incredible Adventures of Van Helsing, Kizi XL, Play Gun Games, Play Friv, Kizi 2, Friv 2018, Y8 Games, Frive, Friv 3, Y9 there are very scary skeletons in a dusty cupboard, a heavy burden of the past, which is directly related to what happened in Zagorje.

However, Victor Vran - the game is not only more serious and gloomy (although without irony, we repeat, it also did not), but, as it may seem, more monotonous. Unlike The Incredible Adventures of Van Helsing , there are almost no side quests, moral choice and non-linearity. There are no strategic elements when we send a soldier or his monster pet Chimera to carry out different missions, or we ourselves defend a card in the style of tower defense. There is no constant companion with his skills and abilities.

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