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Researchers share advances in programmable RF SAN JOSE, Calif. — Intel Research is hosting a workshop on cognitive radio this week, one of many efforts around the globe exploring the road toward more efficient wireless networks. Both Intel and Europe's IMEC research group said they see both progress and challenges ahead in cognitive and software-defined radios. Software-defined radios use some common hardware elements to handle traffic on more than one wireless network. Cognitive radios go a big step further by actually sensing wireless traffic to make intelligent decisions about using spectrum. Early implementations of both concepts are available, but researchers agreed cognitive radios still face many fundamental challenges before they can achieve their full promise. The recent decision by U.S. regulators to open up... [read full story]
