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TMO says DSS could lead to “brutal” capacity loss in its early iteration

Dynamic spectrum sharing (DSS) is an important enabler of better spectrum efficiency, allowing 4G and 5G to share 4G frequencies on a flexible basis, depending on the device and service in play. This is particularly important for operators like Verizon, which have a shortage of midband 5G spectrum and so could use some of their 4G assets, even before they are ready to switch off LTE. But Verizon rival T-Mobile USA has attacked the technology, saying it is late to market and will be a hog of network resources. On TMO’s earnings call last week, CTO Neville Ray said it would be a “tough year” for DSS, as one of the vendors was “very late” in delivering the technology (that…

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