Continuing Education Center
Content posted in December 2012
Dec 21 - DAY 5: Practical Design Criteria: Testing, Alternatives, Lessons from the Field
Continuing Education Center 
12/21/2012  170 comments
We look at the real engineering behind a ZigBee implementation: How to make it WORK. Design criteria, development, testing, and some lessons learned of things that worked - and didn't. We will also look at alternatives through a couple of very short case studies.
Dec 20 - DAY 4: ZigBee in Depth Part 2
Continuing Education Center 
12/20/2012  216 comments
The Operating Details Under each profile is a set of operating protocols for sending set data. We will look at the structure and operation of these. We will also look at how one may use the strong structure of ZigBee to build a proprietary profile, gaining from the advantages of the protocol while providing for your unique communications and control needs.
Dec 19 - DAY 3: ZigBee in Depth Part 1
Continuing Education Center 
12/19/2012  225 comments
Profiles one of the primary selling points for ZigBee is the guaranteed interoperability between nodes, regardless of who made the equipment. This is assured by the use of profiles that are established by the ZigBee Alliance and are independent of any one manufacturer. We will look at the established profiles and how they operate.
Dec 18 - DAY 2: The Heart of ZigBee, the IEEE 802.15.4 Standard and Networking
Continuing Education Center 
12/18/2012  264 comments
We will discuss the IEEE standard on which ZigBee is built (and was developed for ZigBee) - IEEE 802.15.4. We will look at network layers, topology, and how the standard itself provides for extreme low-power communications.
Dec 17 - DAY 1: Executive Overview - What is ZigBee, Anyway?
Continuing Education Center 
12/17/2012  280 comments
Much is being said about the ZigBee protocol and its promise for low-power and dependable mesh networking, but what does ZigBee entail and what does it mean for a company that is thinking of incorporating it? We will discuss just what the standard and protocol are about, its history, and where it is going.
Dec 7 - DAY 5: 802.15.4 Transceivers in Commercial Components – Fall 2012
Continuing Education Center 
12/7/2012  223 comments
This discussion presents an overview of commercial 802.15.4 components. We present component families from Atmel, Freescale, NXP, ST Microelectronics, and Texas Instruments. This discussion provides insight into today's available product offering.
Dec 6 - DAY 4: 802.15.4 Radio Design Factors
Continuing Education Center 
12/6/2012  214 comments
This discussion addresses factors that affect radio communications and small radio design. Range, power, and data transfer rate together with physical size, weight, and cost impact design choices. We will speak about link budget, operating frequency, and antenna considerations. The discussion reviews power requirements for typical 802.15.4 radio systems.
Dec 5 - DAY 3: 802.15.4 Radio Protocols & Topology
Continuing Education Center 
12/5/2012  213 comments
This discussion considers the 802.15.4 communications protocols. We address various operating protocols, taking a look at Zigbee and competing protocols. We also address 802.15.4 radio operating topologies such as star, star-mesh, mesh, and adaptive mesh approaches.
Dec 4 - DAY 2: 802.15.4 Radio Link Modulation
Continuing Education Center 
12/4/2012  237 comments
This discussion takes as its focus the 802.15.4 standard as it applies to radios operating at 2.4GHz. We consider 802.15.4 modulation, the concept of "chips" and direct spread spectrum modulation, data throughput, and alternate modulation techniques.
Dec 3 - DAY 1: Navigating FCC Regulations
Continuing Education Center 
12/3/2012  235 comments
Federal Communications Commission rules and regulations are confusing. This discussion helps you to sort out the relevant portions of FCR 47 as it applies to ISM radio for 802.15.4-style data communications. The discussion limits its focus to regulatory matters in the United States.

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