name: TM
full_form: Transmission Mode
context: The requirements are specified in Table 8.10.1.2.5-2, with the addition of the parameters in Table 8.10.1.2.5-1 and the downlink physical channel setup according to Annex C.3.2. The purpose of these tests is to verify closed-loop rank one performance on one of the antenna ports 7 or 8 without a simultaneous transmission on the other antenna port in the serving cell when the PDSCH transmission in the serving cell is interfered by PDSCH of one dominant interfering cell applying transmission mode 9 interference model defined in clause B.5.4. In 8.10.1.2.5-1, Cell 1 is the serving cell, and Cell 2 is the interfering cell. The downlink physical channel setup is according to Annex C.3.2 for each of Cell 1and Cell 2, respectively. Table 8.10.1.2.5-1: Test Parameters for Testing CDM-multiplexed DM RS (single layer) with TM9 interference model and 4Rx Antenna Ports Table 8.10.1.2.5-2: Enhanced Performance Requirement Type A, CDM-multiplexed DM RS with TM9 interference model and 4Rx Antenna Ports
description: Transmission Mode (TM) refers to the method or configuration used for transmitting data in a telecommunications network. In the context of 3GPP specifications, Transmission Modes are defined to optimize performance under various conditions, such as interference from other cells. TM9, specifically mentioned, is an interference model that simulates certain conditions to test the robustness and efficiency of downlink transmissions, especially when there's interference from a dominant cell. This technology aspect is crucial for ensuring reliable and high-quality data transmission in mobile networks.
explanation: Transmission Mode (TM) is categorized under Mode  because it pertains to the standards and methods employed for transmitting data within telecommunications networks, as defined by 3GPP specifications. The context provided highlights its relevance in testing scenarios designed to evaluate performance under specific interference conditions, underscoring its role in network technology.
section_title: 8.10.1.2.5 Enhanced Performance Requirement Type A â Single-layer Spatial Multiplexing with TM9 interference model (User-Specific Reference Symbols)
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