By Wei Xiang, Kan Zheng, Xuemin (Sherman) Shen
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Additional info for 5G Mobile Communications
This scenario will be noise-limited and/or interference-limited, using macro TRPs. The ISD in this scenario is 1732 m or 5000 m. The BS antenna height is 35 m. The carrier frequency is 700 MHz. The bandwidth is up to 20 MHz. Full buffer and/or burst traffic model is assumed. 10 UEs are distributed per cell. 50 % users are indoors with 3 km per hour velocity and 50 % is in cars with 120 km per hour velocity. 4 GHz and 2 GHz frequency are also considered in this scenario. • High speed The high speed deployment scenario focuses on continuous coverage along track in high speed trains.
Full buffer and/or burst traffic model is assumed. • Dense urban The dense urban heterogeneous deployment scenario focuses on macro cells with micro cells and high user densities and traffic loads in city centres and dense urban areas. The key characteristics of this deployment scenario are high traffic loads, An Overview of 5G Requirements 19 outdoor and outdoor-to-indoor coverage. This scenario will be interference-limited, using macro TRPs with or without micro cells. A continuous cellular layout and the associated interference shall be assumed.
Furthermore, if possible, the latency should also be low enough to support the use of next-generation access technologies as a wireless transport technology that can be used within the next-generation access architecture. For other cases, the target for user plane latency should be 4 ms for UL and 4 ms for DL. • Latency for infrequent small packets For infrequent application layer small packet/message transfer, the time it takes to successfully deliver an application layer packet/message from the radio protocol layer 2/3 SDU ingress point at the mobile device to the radio protocol layer 2/3 SDU egress point in the RAN, when the mobile device starts from its most “battery efficient” state.
5G Mobile Communications by Wei Xiang, Kan Zheng, Xuemin (Sherman) Shen