Researchers detail work to find 5G spectrum; ZTE demonstrates TD-LTE with 3x CA

Wireless tech news from across the web:

> A key disclosure in a court filing could help crack the walls of secrecy around stingray hardware. Article

> Researchers from Nokia and Ericsson detailed their work to find spectrum needed to carry a variety of 5G services. Article

> Full duplex may be the next breakthrough in mobile networking. Article

> ZTE demonstrated Time Division Long Term Evolution (TD-LTE) with three carrier aggregation (3x CA) technology in collaboration with China Mobile and Qualcomm Technologies, marking an important step toward the commercialization of TD-LTE CA. Article

> The heads of some of China's largest tech firms double as politicians. Article (sub. req.)

> The quirky and odd things at Mobile World Congress 2015. Article

> Patent details Google's ideas for smart-home doorknobs, doorbells, wall switches and more. Article

> An Israeli company says it's developed an optical lens and image-processing software that's so powerful it can turn any smartphone into a hyperspectral sensor. Article (sub. req.)

> Passengers and visitors at Berlin airports Schoenefeld and Tegel can use free WLAN for 60 minutes. Post

And finally… Smellovision masks are here, and they're basically implements of torture. Article