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ZigBee RF4CE coexistence with common 2.4-GHz ISM-band consumer electronics |
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Written by Akiba
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Tuesday, 09 February 2010 |
Since being ratified in 2003, the wireless communications standard IEEE 802.15.4 has enjoyed a steadily increasing uptake rate. New and inventive industrial, medical, security and other specialized applications continue to be regularly introduced, employing either open or proprietary protocols riding atop the lower level network layers prescribed by the standard. With mature tools, cost-reduced silicon, and significant design momentum behind the standard, 802.15.4 enabled products are now set to flood the consumer market. ZigBee RF4CE is the primary protocol that will power this next wave of deployment.
While 802.15.4 defines channels in the 868 MHz, 915 MHz, and 2.4 GHz bands, the two lower bands are typically employed only in region-specific and special cases. The upper channels, 11 through 26, residing in the 2.4 GHz Industrial, Scientific and Medical (ISM) band are the heavy favorites around the world. Link
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