your communications in cheat sheets

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Cheat Sheet: Encryption

Cheat Sheet Well, by changing or scrambling the order of letters and words, encryption can protect communications while they are being transmitted through a hostile environment. The private key is known only to your computer, while the public key is given by... [28 Nov 2007]

Cheat Sheet: Femtocell

Cheat Sheet And it's understandable the communications industry doesn't want to talk about home base stations. Think about it - calls would go from your handset, to the femtocell, down your broadband connection, back onto the cellular network. [25 Sep 2007]

Cheat Sheet: Mobile location-based services

Cheat Sheet Operators can find you judging how far away you are from each mobile base station (the masts that send and receive communications to your phones) and so get a decent idea where you are in the country. [29 Sep 2006]

Cheat Sheet: NFC and contactless payments

Cheat Sheet NFC (near field communications) is all about paying for stuff with your mobile, among other applications. Sony has been leading the NFC charge in the land of the rising sun with its near field communications technology, FeliCa. [20 Apr 2006]

Cheat Sheet: VoIP

Cheat Sheet It's the practice of using the internet - instead of standard telephone lines - to carry voice communications. Using VoIP, when you speak, your voice is converted into data packets that can be routed over the internet just like an email or any... [15 Jun 2004]