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Written by Cholena Deb   
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Some people believe that the radio frequency identification (RFID) market may need some more time to mature, but the technology is already making its presence felt, with some renowned retail chains adopting it. IAITO Infotech (P) Ltd is a firm that has made a quantum leap in this field with its innovation called TRAKTAG.

Radio frequency identification (RFID) is an evolving technology that is used for toll ticketing, and to track goods from needles and missiles to even pets. The RFID system is a replacement for barcodes in a few applications and overcomes issues like line of sight and security, while having the memory to incorporate numerous product details and history. Yet the mass market has followed a slower rate of adoption of RFID technology because the solutions available are not user-friendly and cost competent.

IAITO's TRAKTAG might change that. A product that enhances the performance of the RFID system and is also user-friendly, TRAKTAG doesn't require any extra burden of an application programming interface (API), dynamic-link-library (DLL), or a system integrator. The end user can just plug in to collect the secured data.

Presenting TRAKTAG

The RFID network comprises three major components: tags, readers and middleware. There is an RFID class structure that categorises tags according
 Fact byte

According to Frost and Sullivan, the Indian RFID market in 2006-2007 was worth Rs 585.6 million (US$ 14.9 million) and is likely to grow to Rs 6907.4 million (US$ 176 million) by 2010-2011. It is growing at a CAGR (compound annual growth rate) of 85.5 per cent.
to their primary functional distinctiveness. The RFID class structure has five classes that are recognised by Auto-ID Centre (an electronic product code standard). Class I contains tags that are passive identity tags and can only be read. Class II tags are basically passive tags but have additional features like memory or encryption. Class III tags are partially active (semi-passive) tags, capable of supporting broadband communications. Class IV tags are active tags and are capable of communicating with other active tags in the same frequency band and with readers. Class V tags are mainly readers, but power Class I, II, and III tags, communicate with Class IV tags and with each other wirelessly. Each successive class within this framework builds upon the previous class, producing a layered structure.

TRAKTAG is based on the Class V standard and involves a patent-pending technology. According to the firm, this is the world's first product based on this standard, although there are many that are in the R&D stage. The product is basically a reader, and can communicate with a reader and a passive tag. Each TRAKTAG has the capability to read passive population of tags (800-900 MHz) and can communicate with the nearest TRAKTAG too. TRAKTAG works in the ISM (industrial, scientific and medical radio) band of 2.4 GHz with a strong DSP (digital signal processing) algorithm to find its nearest TRAKTAG. Each TRAKTAG has a unique ID, which binds with the tag ID (EPC).

The TRAKTAG reader can work without any host or network connectivity in the range of 800 to 900 metres (in line-of-sight). In the mesh network approach, each TRAKTAG can communicate with EPC-standard passive tags, bind with the reader ID code to find out its nearest reader and set up the network automatically. TRAKTAG has a number of applications and can solve several problems in setting up networks (LAN /WLAN/ Wi- Fi) using RFID technology in railways, metro railways, mines, tunnels, shipyards, fleet yards, oil/petrol yards, docks and in the defence sector.

For example, if we employ an RFID system to track a wagon, we need to lay a Wi-Fi network throughout the railway yard to transmit data from the remotely located reader to the servers. But TRAKTAG has an inbuilt network capability (IEEE 802.15.4 protocol) and can transmit data from TRAKTAG to TRAKTAG (from a distance of 900 metres to 11 miles) and finally to the server. No external network, like the one in the Wi-Fi system, is required and this saves a huge amount of money.

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