The hottest WiFi blows the battle horn of wireless

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WiFi is sounding the battle horn of wireless sensor network, which is higher than ZigBee's test.

? Trust the battle horn of the agreement, and Intel is undoubtedly the rear of this battle. Gainspan, a start-up company spun off from Intel in September, 2006, claims that it has a technical solution to defeat ZigBee in the field of wireless sensor network (WSN). Vijayparmar, President and CEO of gainspan, said in an interview in Shanghai not long ago that by adopting the company's WSN solution, we can not only enjoy the benefits brought by mature Wi Fi technology, but also ensure that the battery life can be maintained for up to 5 ~ 10 years under a single AA battery

parmar's visit to China includes not only visiting existing customers, but also the first small-scale meeting held in Chinese Mainland, which is intended to build momentum for its business in China. It is reported that the SOC chip manufactured by TSMC using the 0.18 micron process adopts the ARM7 core, which can support ieee802.11b/g, and provides 802.11i, AES coding and eap-fast to ensure data and information security. In addition, according to the signal strength and time of arrival (TDOA), it can also provide accurate positioning function. The overall dimension of the chip is 10mmx10mm. At present, the company is actively building cooperative relations with universities and government agencies, and has signed a distribution agreement with metatech. Parmar said that he planned to establish representative offices in Chinese Mainland within six months, with Beijing, Shanghai and Shenzhen as candidate cities. "In the next few months, we will focus on improving the company's awareness in the Chinese market."

intel is not only the incubator of gainspan, but also has given this emerging company huge financial support in two rounds of financing. In september2006, because the main business of the parent company was not very relevant, a WSN technology development team that was still part of Intel's new business planning team was decided to split from Intel and establish a start-up company called gainspan to focus on applying Wi Fi technology to WSN networks in the industrial field. Intelcapital, newventurepartnersllc, ovpventurepartners, sigmapartners and other four investment companies have provided them with a total start-up capital of $1.5 million

in November, 2007, Intel once again joined forces with three other companies and brought another venture capital company opuscapital in menlopark, California, to make a second round of investment in gainspan. The amount of this round of investment jumped to 20million US dollars

it is really a good idea to use Wi Fi for WSN networks. Because it can enjoy the mature technology brought by the Wi Fi network being deployed on a large scale, various layers of poor Wi Fi devices with unstable performance, existing network facilities, architecture support, and rich network knowledge. In addition, it can quickly install and reduce the learning cycle and various troubles caused by interoperability with other protocols, and accelerate the development cycle

however, it is not easy to use Wi Fi for WSN. Because in this application, the first thing to be solved is that the recycled plastic granulator, as the main processing machine, will have a large customer base - fortunately, gainspan has easily solved it. Although no more technical details were disclosed, Parmar said that effective activation/standby mode conversion and power management of the system are the key to achieving this index. "Our scheme can realize the service life of one AA battery for 5 ~ 10 years. We are the only company that can do this." Parmar's pride is evident

before leading the team to establish gainspan in 2006, Parmar worked for Intel for about 4 years. His earlier work experience was as vice president of marketing at vxtel (a VoIP solution provider), which was acquired by Intel in 2001. Earlier, he worked for AMD, and once served as the general manager of the regional market for AMD's microprocessors in the Asia Pacific region. This made him quite familiar with the Chinese market

wi fivszigbee

to talk about WSN, you must mention ZigBee. In fact, this technology has established a firm foothold in the field of WSN. How can Wi Fi compete with Wi Fi after solving key and difficult problems? Parmar believes that ZigBee is far inferior to Wi Fi in terms of security, technical maturity, connection with existing networks, node management, QoS characteristics and device interoperability. "And these are exactly what customers need." He said

wi fi's advantages in WSN networks are not limited to this. Parmar pointed out that the emerging Wi Fi network construction boom has made Wi Fi the mainstream direction of wireless networks. Using the existing Wi Fi network resources to deploy and implement WSN will save a lot of hardware costs. In addition, without considering the interoperability with ZigBee and other devices, it will also help project implementers shorten the development cycle, which also means lower project implementation costs. Of course, mature Wi Fi also has the advantages of existing architecture support and fast installation. "In summary, using Wi Fi for sensor networks will help maximize the benefits in terms of return on investment (ROI) and total cost of ownership (TCO)." Parmar said, "although ZigBee has the advantages of small size and low unit price, once the overall cost is considered, they are still much more expensive."

complete solution

to help customers shorten the development cycle, gainspan also provides a complete set of software and hardware tools including SDK, evaluation platform and development platform. Its software stack includes various i/o drivers and WLAN firmware, RTOS, network stack, system services, WLAN and i/o service modules, various application programming interfaces and application software. Parmar claims that the SDK of gs1010 can help engineers save 10 to 12 months of development time. The hardware development platform can support various sensors such as temperature, humidity, photosensitivity, pressure, acceleration, etc., and reserves the sensor interface, debugging and program burning interface selected by the customer

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