Near field communication (NFC)

Near field communication ( NFC ) overview

The so-called near-field communication ( NFC ) technology is a kind of short distance high frequency wireless communication technology, available at a distance of about 10 cm, can realize electronic identification or data transmission, such as credit card, access control card and other functions. The early use of this technology, users can use mobile phone to replace public transportation card, bank card, staff card, access control card, membership card and contactless smart card, can easily read billboards on the fringe of the RFID tag information.

Now, with this kind of technology development and application, on mobile devices, consumer electronics, PC and intelligent control instrument for the short distance wireless communication. NFC provides a simple, touch solutions, so that consumers can easy to exchange information, access to the content and services.

Near field communication ( NFC ) technology in application of intelligent mobile phone

NFC has the advantages of low cost, easy to use and more intuitive features, which makes it in some areas appear more potential -- NFC through a chip, an antenna and a combination of software, to achieve a variety of equipment in a few centimeters within the scope of communication, and the cost is only 2 ~ 3 euros. According to ABIReasearch NFC new study, NFC market may rise in the handheld mobile device. ABI estimation, to 2005, the market will be using NFC chip intelligent mobile phone and enhanced handheld device. By 2009, the handheld device will account for more than half of the market. Research firm Strategy Analytics forecast, to 2011 global mobile phone based contactless payment forehead will exceed 36000000000 dollar. If the NFC technology can gain popularity, to a large extent it will change the way people use many electronic devices, and even change the use of credit cards, keys and cash. NFC as a new technology, broadly summarizes the Bluetooth technology collaborative work ability difference malady. However, it does not aim to be completely replaced by Bluetooth, Wi-Fi and other wireless technology, but on different occasions, different fields to play a complementary role. Because the NFC data transmission rate is low, only 212Kbps, not suitable for audio and video streaming, requires higher bandwidth applications.

NFC ( Near Field Communication )

NFC ( Near Field Communication ) by Philips and Sony Company jointly developed by NFC is a non-contact recognition and Internet technology, on mobile devices, consumer electronics, PC and intelligent control instrument for the short distance wireless communication. NFC provides a simple, touch solutions, so that consumers can easy to exchange information, access to the content and services.

Summary

Near field communication ( Near Field Communication, NFC ), also known as the short distance wireless communication, is a short range high frequency wireless communication technology, to allow electronic equipment for non-contact point to point data transmission ( to within ten cm ) data exchange. This technique consists of a contactless radio frequency identification ( RFID ) evolved, and downward compatibility to RFID, first by Philips, Nokia and Sony advocate push, mainly for mobile phone and other handheld devices in may. Due to the near field communication with natural security, therefore, NFC was found in areas such as mobile phone payment has great application prospects.

NFC non-contact card reader, card and peer-to-peer ( Peer-to-Peer ) functions into a single chip, as the consumer lifestyle created too many to count the new opportunity. This is an open platform for wireless network interface, can be fast, active set, as well as virtual connector, services in the existing honeycomb network, Bluetooth and wireless 802.11 equipment.

NFC compatible with Sony's FeliCaTM card and has been widely established contactless smart card architecture, the architecture based on ISO 14443 A, use the Philips MIFARE? Technology. In order to promote the development and popularization of NFC, Philips, Sony, Nokia has created a non-profit industry association -- the NFC forum, promote the implementation of NFC technology and standardization, to ensure that equipment and services between collaboration. At present, the NFC forum in the world has more than 70 members, including: MasterCard International, Panasonic electronics industry limited company, Microsoft, Motorola, NEC, Renesas, Samsung, Dezhou equipment manufacturing company and Visa international organization.

The world's first commercial release of NFC: * Germany, RMV ( RMV ) April 19, 2006, Nokia, Philips, and Germany Vodafone company of Frankfurt area public transit network operators RMV ( Rhein-Main Verkehrsverbund ) announced that, in successfully for a period of 10 months of field test, a short distance wireless communication ( NFC ) technology to be put into commercial. At present, Nokia 3220 mobile phone has integrated NFC technology, can be used as an electronic ticket, but also in the local retail stores and attractions as loyalty card discount. Hanau city of about 95 residents now simply brush your compatible mobile phone, can enjoy NFC type bus mobile ticketing convenience.

Technical advantages

As with the RFID, NFC information is through the spectrum in radio frequency portion of the electromagnetic induction coupling transfer, but there is a big difference between the two. First of all, NFC is a free, safe, rapid communication of wireless connection technology, the transmission range is smaller than RFID, RFID transmission range can reach a few meters, or even tens of meters, but because the NFC adopted a unique signal attenuation, relative to the RFID NFC has a near distance, high bandwidth, low energy consumption. Secondly, NFC and existing contactless smart card technology compatibility, has become the major manufacturers to support more and more formal standards. Once again, NFC or a close connection protocol, with a variety of equipment, safety, easy quick and automatic communication. And in the wireless world other connection mode, NFC is a close secret communication. Finally, RFID were more widely in the production, logistics, tracking, asset management, and NFC is in access control, public transportation, mobile phone payment within the field of play a huge role.

At the same time, NFC is also superior to infrared and Bluetooth transmission. As a consumer oriented transaction mechanism, NFC faster than infrared, more reliable and easier, not to infrared that must be strictly aligned to transmit data. Compared with Bluetooth, NFC for short distance trade, applicable to the exchange of financial information or sensitive personal information and other important data; Bluetooth can make up the shortcoming of NFC communication distance, suitable for long distance data communication. Therefore, NFC and Bluetooth complement each other, common existence. In fact, fast and lightweight NFC protocol can be used to guide between two devices Bluetooth pairing process, promote the use of bluetooth.

NFC mobile phone built-in NFC chip, comprising part of the RFID module, can be used as a RFID passive tag use -- used to pay expenses; also can be used as a RFID reader -- used for data acquisition and transfer. NFC technology supports a wide variety of applications, including mobile payment and transaction, peer-to-peer communication and mobile information access. Through the NFC mobile phone, people can be in any place, any time, by any device, and they hope to get the entertainment services associated with the transaction, thereby completing payment information, obtain poster. The NFC device can be used as a contactless smart card, smart card reader terminal and equipment to a data transmission link, its application can be divided into the following four basic types: for payment and electronic ticket, ticket, used for intelligent media and for exchange, data transmission.

Near Field Communication(NFC)

Near Field Communication(NFC) by philips and SONY common development is a non-contact NFC, can identify and Internet technology in mobile devices, consumer electronics products, PC and intelligent control tool room close wireless communications. NFC provides a simple and touch solutions, can let consumer to exchange information, easy access to content and services.

overview
NFC will non-contact reader and contactless CARDS and peer-to-peer (Peer to Peer) function - - integrated into a single chip, for consumer lifestyle opened countless new opportunities. It is an open interface platform, we can fast to wireless networks, active Settings, also is virtual connectors, service with existing honeycomb network, bluetooth and wireless 802.11 equipment.
NFC compatible with SONY's already extensive FeliCaTM card and A non-contact smart card framework based on ISO 14443, this framework, using A philips' MIFARE? Technology.
In order to promote the development and popularization of NFC, philips, SONY and nokia created a nonprofit industry association - NFC BBS, promote the NFC technology implementation and standardization, ensure equipment and services coordination between cooperation. At present, the NFC BBS employs more than 70 members, including: mastercard international organizations, panasonic electronic industrial Co., LTD, Microsoft, MOTOROLA, NEC corporation, renesas technology company, samsung, Texas instruments manufacturing companies and Visa international organization.
Editor's note: the world's first commercial NFC released: * Germany, mainz transportation company (RMV) on April 19, 2006, philips, nokia, Vodafone company and Frankfurt mainz area of bus network operators mainz transportation company Main Verkehrsverbund Rhein - (in) announced that successfully for 10 months after the field test, close wireless communication (NFC) technology is commercially available. At present, the Nokia already has integrated NFC phone 3,220 technology, can be used as electronic ticket, still can be in the local retail and tourist attractions as a discount loyalty card use. Ha Nao city is now just about 95.000 bits residents easily brush compatible mobile phone, you can enjoy NFC type the convenience of mobile ticketing bus.
Technology advantage
As with RFID, NFC information is radio frequency spectrum in part by the electromagnetic induction coupling between style to deliver, but there are still big difference. First, NFC is a kind of providing a comfortable, safe, rapid communication wireless connection technology, its transmission range of radio frequency identification (RFID) than RFID is small, can achieve transmission range a few meters, even a few meters, but because NFC adopted unique signal attenuation technology, relative to the distance it has NFC RFID nearly, bandwidth high, low energy consumption characteristics. Secondly, with the existing NFC non-contact smart card technology compatible, now has become main manufacturer support by more and more formal standards. Again, NFC or a close connection between devices provide various agreement, comfortable, safe, rapid and automatic communications. The rest of the world with the wireless connections, NFC compared is a close illicit close communication mode. Finally, RFID more to be used in production, logistics, tracking and asset management, and is in the NFC entrance guard, public transport, such as mobile payment within the territory of the play an important role.
Meanwhile, NFC still better than infrared and bluetooth transmission mode. As a kind of face consumer to trade mechanism, NFC faster and more reliable than infrared and without much more simple, so must be strictly to infrared aligned to transmitting data. Compared with bluetooth, NFC face close trade, applicable to exchange financial information or sensitive personal information and other important data; Bluetooth could make up for the defect that NFC communication distance, suitable for a long distance data communication. Therefore, NFC and bluetooth complementary, and common existence. In fact, quick lightweight NFC agreement can be used to guide the bluetooth pairing between two devices, promote the process of use bluetooth.
NFC chip, NFC mobile phone built-in composed part of RFID module, can regard as RFID passive tags used to pay expenses; -- Also can be used as RFID literacy device -- used for data exchange and acquisition. NFC technology support for multiple applications, including mobile payment transaction, moving to equation communications and information access, etc. Through the NFC cell phones, people can at any place and at any time, through any equipment, and they hope to get entertainment service and trading relates in together, thus finish the payment, obtain posters information, etc. NFC devices can be used as a non-contact smart CARDS, smart CARDS and equipment for reading and writing to the terminal equipment, its application in data transmission link can be mainly divided into the following four basic types: used for payment and tickets, used in electronic ticket, for intelligent media and used to exchange, transmitting data.

NFC(Near Field Communication)

NFC is Near Field Communication abbreviations, by philips and SONY NFC joint exploration is a non-contact recognition and Internet technology, can be in mobile devices, consumer electronic products, PC and intelligent control tool room close wireless Communication. NFC provides a simple and touch solutions, can let consumer simple intuitively exchange information, visit content and service.

summary

NFC will non-contact card reader, non-contact card and peer-to-peer (Peer to Peer) - - functional integration into a single chip, for consumer lifestyle pioneered the countless new opportunities. It is an open interface platform, we can in wireless networks for rapid, active Settings, is virtual connectors, serve our current cellular network, bluetooth and wireless 802.11 equipment.

NFC compatible with SONY FeliCaTM card and has been widely establish non-contact smart architecture, this framework based on ISO 14443 A, use philips' MIFARE? Technology.

In order to promote the development and popularization of NFC, philips, SONY and nokia create a nonprofit industry association - BBS, promote NFC NFC implement technology and standardization, ensure the equipment and services coordination between cooperation. At present, NFC BBS employs more than 70 members, including: mastercard international organizations, panasonic electronic industrial Co., LTD, Microsoft corporation, MOTOROLA, NEC corporation, renesas technology companies, samsung, Texas instruments manufacturing firms, and Visa international organizations.

Editor's note: the world's first commercial NFC release: * Germany, mainz transportation company (RMV) on April 19, 2006, philips, nokia, Vodafone company and Frankfurt mainz area of bus network operators mainz transportation company (Rhein - Main Verkehrsverbund) announced that in successfully for 10 months after the field test, close (NFC) wireless communication technology is commercially available. At present, Nokia cellular phone already 3,220 has integrated NFC technology, can be used as electronic ticket, but also in the local retail and tourist attractions as discount loyalty card use. Ha Nao city is now just about 95.000 bits residents easily brush compatible mobile phone, you can enjoy NFC type bus ticket the convenience of mobile.

Technical advantages

As with RFID NFC information is through radio frequency spectrum in part of the electromagnetic induction coupling between style to deliver, but there are still very big difference. First, provide NFC is a kind of comfortable, safe, rapid communication wireless connection technology, its transmission range than RFID small, RFID transmission range can achieve a few meters, even a few meters, but because NFC adopted unique signal attenuation, relative to the RFID technology for NFC has closer, bandwidth high, low energy consumption characteristics. Secondly, NFC with existing non-contact smart card technology compatible, now has become main manufacturer support by more and more formal standards. Again, NFC or a close link protocol, provide various equipment room comfortable, safe, rapid and automatic communications. With the wireless world of the connection method, compared to other NFC is a kind of close illicit close communication mode. Finally, RFID more to be used in production, logistics and tracking, asset management, and is in the entrance guard, NFC bus, mobile payment in fields plays a tremendous role.

Meanwhile, NFC still better than infrared and bluetooth transmission mode. As a kind of face consumer to trading mechanism, NFC than infrared faster, more reliable and much more simple, need not to infrared that must be strictly aligned to transmit data. Compared with bluetooth NFC face close trade, applicable to exchange financial information or sensitive personal information and other important data; Bluetooth could make up for the defect that NFC communication distance, suitable for a long distance data communication. Therefore, bluetooth NFC and complement each other, in together. In fact, quick lightweight NFC agreement can be used to guide the bluetooth pairing between two equipment, promote the process of bluetooth use.

Mobile phone build-in NFC NFC chip, component part of RFID module, can regard as RFID passive tags used to pay cost; -- Also can be used as RFID literacy generator - - used as data exchange and acquisition. NFC technology supports multiple applications, including mobile payment and transaction, mobile communication and to equation of information access, etc. Through NFC mobile phone, people can at any place and at any time through any equipment, and they hope to get the entertainment services and trading relates in together, thus finish the payment, obtain the poster information, etc. NFC equipment can be used as a non-contact smart CARDS, smart card's reading and writing implement terminal and equipment on equipment data transmission link, its application in mainly divided into the following four basic types: used for payment and tickets, used in electronic ticket, for intelligent media and used to exchange, data transmission.

Development prospect

NFC with low cost and easy to use and more rich visual features, this makes it in some areas appear more potential -- NFC through a chip, a single antenna and some software, can realize the combination of all kinds of equipment in a few centimeters within the scope of the communication, and the costs only for 2 ~ 3 euros. According to relevant ABIResearch NFC have the latest research, NFC markets may was elected on mobile hand-held devices. ABI estimates that by 2005, the market will appear after using NFC chip smartphone and enhanced hand-held devices. By 2009, the hand held device will account for more than half of the market. Research institutions focussing Analytics forecast, until 2011 global based on mobile phone contactless payment will be more than 360 million dollars. If NFC technology to get popular, it will be largely change people use many electronic equipment, even the way change use credit CARDS and keys and cash way. NFC as a new technology, generally summarized the bluetooth technology interoperability poor ills. However, the objective of which is not completely replace the bluetooth, Wi - Fi and other wireless technology, but in different occasions, different fields have mutually supplementary role. Because NFC data transfer rate is low, only for 212Kbps, is not suitable for such as audio and video stream etc have higher bandwidth applications.