Key Technologies in 4G/LTE Network
Long-Term Evolution (LTE) is a standard developed by the 3GPP (3rd Generation Partnership Project) for high-speed mobile communication based on the GSM/EDGE and UMTS/HSPA technologies, commonly known as 3.9G (beyond 3G but pre-4G), that is, the version from HSPA transition to 4G. LTE is specified in the 3GPP Release 8 and 9 document series, and it can provide 300 Mbit/s peak rates for downlink, 75 Mbit/s for uplink, and less than 5 ms for latency. 4G is a continual improvement standard to the LTE radio technology and architecture, which is also called International Mobile Telecommunications Advanced (IMT-Advanced) as defined by the International Telecommunications Union-Radio communications sector (ITU-R) (https://en.wikipedia.org/wiki/LTE_Advanced). 4G is specified in the 3GPP Release 10 and known as LTE-Advanced, and it can provide 100 Mbit/s peak rates for high mobility and approximately 1 Gbit/s for low...
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