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zigbee & 1588 - new ways to improve embedded designs ... |
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It's all about designing better applications - applications that are better, cheaper, faster, or more capable than the "old" application. Zigbee, which brings low power wireless to sensor networks, and IEEE 1588, which brings location-sensitive timing - each offer new ways to improve applications. So here for February is a wrap-up of what's new in Zigbee, and in 1588.
contents:
- zigbee - wireless networks make for cool applications
- 1588 - 1588, it's not just the the battle of gravelines, it's "precision time protocol"
- conference calendar
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zigbee - wireless networks make for cool applications |
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When they begin to track cattle with RFID tags using Zigbee, or 802.15.4, you know a technology is going beyond mere hype to real deployment. Check out Zigbeef, for proof of a concept that is as real as tracking cattle in Tulsa, Oklahoma; don't miss the
application note as well. Zigbee, of course, is a wireless networking technology based on the IEEE 802.15.4 standard for wireless personal area networks (WPANs). (More, here and here).
What Zigbee does is make low power, reliable, secure networking possible at a low cost and with long battery life. So for applications as varied as HVAC control to inventory management to smart parking, you can take a non-networked application and make it networked, and you can take an application that was "dumb" and make it intelligent by exchanging data. For more food-for-thought, read an application note about intelligent parking from Zigbee-leader Meshnetics.
On the news front, Zigbee is one of the hottest topics these days. Meshnetics, for example, released a new amplified ZigBee / 802.15.4 2.4GHz RF module, designed to increase transmission distance without sacrificing power. Range tests showed the new ZigBit Amp module achieved a best-in-class outdoor line of sight range of 4 kilometers (2.5 miles) while keeping power consumption at a remarkably low level: only 10 ìA in the sleep mode, 23 mA in receive mode, and 60 mA in transmit mode. (Release, here.) Another Zigbee leader, Ember, released their EmberZNet PRO 3.1 to support the new ZigBee PRO Feature Set (details on Zigbee Pro, here; Ember news release here). Ember also released a low-cost development kit, here, as did Meshnetics, here.
So, in sum, if you have an application that can be made to do "more" or be "more intelligent" through wireless networking, you have no excuse not to investigate the low-cost options from Ember or Meshnetics, or begin your research at eg3.com's Zigbee page, here.
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1588 - 1588, it's not just the the battle of gravelines, it's "precision time protocol" |
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1588 was one of the turning points of history, when the English defeated the Spanish Armada at the Battle of Gravelines. It's also short for the IEEE Precision Time Protocol, which allows for the precise synchronization of networks (e.g., Ethernet). Accuracy within the nanosecond range can be achieved with this protocol when using hardware generated timestamps, although the protocol itself has no quality requirement. (Wikipedia, here; IEEE page, here).
Accurate time makes better applications possible, especially in motor control and networked applications. 1588 is one of those "out-of-the-box" technologies that can make for some really cool innovations. A 2006 book, Measurement, Control, and Communication Using IEEE 1588 describes the technology in detail and gives idea examples. In addition, the just-completed 2007 International IEEE Symposium on Precision Clock Synchronization has basic technology papers on their website. But, 1588 is new enough, that you really should start at the IEEE website and then contemplate how perfect timing could be used in your own networked application.
On the news front, Lattice Semiconductor has partnered with Oregano Systems. Under the brand name of SYN1588, Oregano Systems offers a range of IP cores compliant with the IEEE 1588 clock synchronization standard. Each core implements a local high speed, high resolution clock, which is attached to the MII -- the interface between the physical layer IC and the MAC -- via a so-called time stamping unit. (Release here). Imsys Technologies also launched its IM3220, which, according to the company, represents a new type of platform components. It combines the best features of traditional CISC architectures and efficient use of resources with FPGA flexibility for a predefined application – time synchronization. (Release, here; Development kit, here).
1588 is, in sum, another technology "to watch" for 2008, much earlier in its adoption cycle than Zigbee but very intriguing nonetheless.
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conference calendar: upcoming events |
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2/4/2008, Santa Clara: DesignCon (5 stars)
2/5/2008, San Diego: West 2007 - Military & Technology Conference (4 stars)
2/11/2008, Barcelona: 3GSM World Congress 2008 (3 stars)
2/13/2008, Birmingham: IPOT + Machine Vision Conference (4 stars)
2/19/2008, Boston: RFID Investor Summit (3 stars)
2/19/2008, San Jose: DVCon (4 stars)
2/24/2008, Austin: Applied Power Electronics Conference and Exposition (APEC) (5 stars)
2/24/2008, San Diego: Optical Fiber Communications Conference and Exhibit (4 stars)
2/25/2008, Las Vegas: iWCE - International Wireless Communications Expo (3 stars)
2/26/2008, Nurenburg: Embedded World Germany (5 stars)
2/26/2008, Dallas: Texas Instruments' Developer Conference (5 stars)
3/3/2008, San Diego: O'Reilly 'Emerging Technologies Conference' (4 stars)
3/3/2008, Shenzhen: Embedded Systems Conference-China (2 stars)
3/3/2008, San Diego: O'Reilly Emerging Technology Conference (3 stars)
3/4/2008, Hannover: CeBIT (4 stars)
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- > To browse all 'conferences', click here.
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e-clips - about, submit, modify: |
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