Wireless Wave

Er and Eeff in Microstrip

17 Oct 2009

Remeber to use effective epsilon in microstrip calculation instead of epsilon itself. that means you need W and H of the transmission line

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Tags: Microstrip, RF course, studying

Autumn just arrived

In: My notes|Photography

14 Oct 2009

Autumn in Norrkoping, originally uploaded by arash_m.

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NFC domino?

In: NFC

13 Oct 2009

Nearness from timo on Vimeo.

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Tags: Fun, nearness, NFC

Near Field Communication, What is NFC?

In: NFC|Our works

13 Oct 2009

Near field communication is a short range (<20cm) wireless communication system designed for mobile phones or other mobile devices supporting up to 424kbps of data rate.

It uses the same proximity technology of RFID working in 13.5MHz. Although standardization of NFC is still in progress, many applications are proposed to use it, mostly focused on e-payment, and e-wallet. Wide range of applications are being tested in the pilot projects all around the world, such as medical services, e-ticket in public transport system, e-payments, patient information card, e-wallet and public collectable information (such as posters or bus stop information). Despite the variety of applications the security and authentication problems are not easy to solve, so many researches are being done to find new solutions. In this paper we discuss NFC technology, applications and some issue regarding the implementation of the NFC enabled systems.

http://pointers.audiovideoweb.com/stcasx/il83win10145/inside_contactless_256k.wmv/play.asx

A video done by Nokia to show different applications of NFC.

(3) Comments
Tags: e-ticket, e-wallet, nfc phone, nokia, RFID, Smart poster

Nearfield.org : A research project on NFC

In: NFC|Usefuls

13 Oct 2009

About

Touch is a research project that investigates Near Field Communication (NFC), a technology that enables connections between mobile phones and physical things. We are developing applications and services that enable people to interact with everyday objects and situations through their mobile devices. More…

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Tags: RFID

NFC Field : how it looks like in real world

In: NFC

13 Oct 2009

This video is about exploring the spatial qualities of RFID, visualised through an RFID probe, long exposure photography and animation. It features Timo Arnall of the Touch project and Jack Schulze of BERG.I

—Immaterials: the ghost in the field

Immaterials: the ghost in the field from timo on Vimeo.

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Tags: reader, RFID, spatial wave.visualisation, video

Taglynx – find similar links to your post

In: wordpress

13 Oct 2009

Demo | Tag Lynx

Demo

Friday, October 2nd, 2009

This is a demonstration using the tags ‘interesting, weird, and fun’ with a request for 15 ‘lynx’.

Tags: fun, interesting, weird

Related Lynx

A Softer World: 387

webcomics, asofterworld, funny

MEMRI: Special Dispatch – No. 2561

interesting, history, archaeology, Jreporting, Network

Is It Normal? – http://isitnormal.com

weird, funny, humor, people, interesting, cool, social, normal, strange, vote, fun

(4) Comments
Tags: plugin, wordpress

ScribeFire – a Semi Desktop blog client

In: Software

13 Oct 2009

After few searches on "how to post blog using a client program in linux/ubuntu" this page helped a a lot.
Scribefire is in fact a firefox add-on which is a rich-featured client for your blog, previous entries are available to edit.
it supports categories and new category and tag as well.

sharing the post to famous social networks and much more.
It deserved to be tested.

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Tags: Blog client, Linux client, Software, Ubuntu, wordpress

IEEE 802.11 Medium Access Control

In: IEEE 802.11|My notes

12 Oct 2009

“CSMA/CA attempts to avoid collisions by using explicit packet acknowledgment (ACK), which means an ACK packet is sent by the receiving station to confirm that the data packet arrived intact.”

– Wireless communication and and network by Vijay Garg