Fifth-generation wireless (5G) is the latest iteration of cellular technology. Wireless network operators in four countries -- the United States, Japan, South Korea and China -- are largely driving the first 5G buildouts. Unlike 4G, which requires large, high-power cell towers to radiate signals over longer distances, 5G wireless signals are transmitted through large numbers of small cell stations located in places like light poles or building roofs. The use of multiple small cells is necessary because the millimeter wave (MM wave) spectrum -- the band of spectrum between 30 and 300 gigahertz (GHz) that 5G relies on to generate high speeds -- can only travel over short distances and is subject to interference from weather and physical obstacles, like buildings or trees. In addition to improvements in speed, capacity and latency, 5G also offers network management features -- among them network slicing, which enables mobile operators to create multiple virtual networks within a single physical 5G network. Continue reading... Take the Quiz! The answer choices are listed below. 1. One major challenge carriers face with 5G is building out an adequate amount of _________to support 5G networks. a. fiber optics b. coaxial cable Answer 2. Because 5G's high-frequency signals can be blocked by common objects, engineers have to consider LOS during rollouts. What does LOS stand for? a. limited outbound services b. line of sight Answer 3. Wi-Fi 6 is the latest _______ technology. a. wireless LAN b. cellular Answer |
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