name: MR
full_form: Medium Range
context: Figure 8.4 illustrates a high level block diagram of a Rel-8 DC-HSDPA UE (adjacent carriers) with Rx diversity enabled, while Figure 8.5 illustrates a block diagram of itâs RF/Front end. Note that the same receiver can be reused for the purpose of DF-DC aggregation. Figures 8.6 and 8.7 illustrate the case when SF-DC aggregation is enabled in the UE. As seen in Figures 8.6 and 8.7, the modifications needed to support SF-DC aggregation relative to a Rel-8 DC-HSDPA receiver are quite trivial. In fact the RF/Front end is identical to a SC-HSDPA UE. As shown in Figure 8.5, the major change relative to a DC-HSDPA UE is to connect the SC-HSDPA RF/Front end output to both the base-band receiver chains and rely on single carrier functions in the base-band of one of the receiver chains to control the RF/Front end. Figure 8.4: DC-HSDPA UE Receiver: High Level Block Diagram Figure 8.5: DC-HSDPA Receiver: RF/Front End Block Diagram Figure 8.6: SF-DC-HSDPA aggregation receiver: High Level Block
description: Medium Range (MR) in E-UTRA Base Stations (BS) refers to a power level range typically between 24 dBm and 38 dBm. It's suitable for both micro and macro cell deployments, functioning as standalone cells or overlapping with larger macro cells. MR E-UTRA BS must meet demodulation performance standards for both Wide Area (WA) and Local Area (LA) deployments, considering factors like high Doppler speed and train propagation.
explanation: The description focuses on technical aspects of a specific power range within E-UTRA Base Stations, highlighting its role in cellular network deployment and performance requirements. This clearly falls under the category of telecommunications technology.
section_title: 9	Demodulation performance for Medium Range BS
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