Can NFC Technology Transmit and Receive Time-Varying Data?

In summary, NFC technology is a way to transmit and receive data through short range radio frequency without the need for a physical connection. It is limited to close proximity and can be used for payments, posters, and other advertising.
  • #1
bhaazee
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It googled a bit about NFC (Near Field Communication) technology.

As a basic, the technology consists of a NFC chip with prestored data in it and a NFC receiver that receives data from the chips.

this means is it not possible to use NFC to transmit or receive data that varies with time (say weather). Since NFC involves transmission through short range radio frequency why is it not not possible to transmit and receive data that varies with time using short range radio frequency.

Also in payments with NFC technology, you place your NFC device near the machine that reads your data. Here in this case both the transmitter and receiver sends and receives varying data (various amounts, various card details). If I am not true with this case then what's the actual algorithm behind these hardwares

If such a technology exists could anyone share with me some links.

Thnx.
 
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  • #2
bhaazee said:
Since NFC involves transmission through short range radio frequency why is it not not possible to transmit and receive data that varies with time using short range radio frequency.
It is possible; but the economics and sensibility of continuously transmitting real-time data using NFC depends on whether or not there are devices in range to receive it. Most of the time there aren't or the range is too short, so it doesn't happen. There's no reason why a transmitter and receiver within operational range of each other couldn't continuously transmit/receive real-time data.

If I am not true with this case then what's the actual algorithm behind these hardwares
There are many- Most proprietary, some open source. You'll have to be more specific.
 
  • #3
Near Field Communication is limited to close proximity approximately 4cm. The NFC tags are both readable and writable so the information sent to the device (NFC Smart Phone) can be changed whenever required. NFC Smart Posters will facilitate connections when and where the consumer requires them. Unlike previous technology the consumer decides when to interact with a brand or organisation, it makes marketing far less intrusive.
For more info visit
http://www.near-fieldcommunication.co.uk
Anyone how is intested in testing this technology feel free to contact me and I will gladly help
 

FAQ: Can NFC Technology Transmit and Receive Time-Varying Data?

What is Near Field Communication (NFC)?

Near Field Communication (NFC) is a wireless technology that allows two devices to communicate with each other by bringing them in close proximity, typically within a few centimeters. It operates on the principle of electromagnetic induction, where one device generates a radio frequency field and the other device picks up the signal to initiate communication.

How does NFC work?

NFC works by using a combination of radio frequency identification (RFID) and inter-device communication. One device, known as the initiator, generates a radio frequency field that sends out a signal. The other device, known as the target, picks up the signal and responds with its own signal. This back-and-forth communication allows for the exchange of data between the two devices.

What are the uses of NFC?

NFC technology has a variety of uses, including mobile payments, contactless data transfer, and access control. It is commonly used for mobile payments, where users can simply tap their smartphone on a payment terminal to make a contactless payment. It can also be used for sharing data, such as photos or contact information, between two devices by tapping them together. In addition, NFC can be used for access control, allowing users to unlock doors or access secure areas with their NFC-enabled device.

Is NFC secure?

NFC technology is considered secure as it uses encryption and authentication protocols to protect data during communication. However, as with any technology, there is a risk of hacking or data theft if the device is not properly secured. It is important for users to keep their NFC-enabled devices safe and secure to prevent any unauthorized access to their data.

What are the differences between NFC and Bluetooth?

While both NFC and Bluetooth are wireless communication technologies, they operate differently. NFC requires close proximity between devices, typically within a few centimeters, while Bluetooth can work over a longer range of several meters. NFC also has a lower data transfer rate compared to Bluetooth. Additionally, NFC does not require pairing like Bluetooth does, making it more convenient for quick data transfer. However, NFC is more limited in its functionality compared to Bluetooth, which can be used for a wider range of applications.

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