name: UL-MIMO
full_form: Uplink Multiple Input Multiple Output
context: For UE with two transmit antenna connectors in closed-loop spatial multiplexing scheme, the A-MPR values specified in subclause 6.2.4 shall apply to the maximum output power specified in Table 6.2.2B-1. The requirements shall be met with the UL-MIMO configurations specified in Table 6.2.2B-2. For UE supporting UL-MIMO, the maximum output power is measured as the sum of the maximum output power at each UE antenna connector. Unless stated otherwise, an A-MPR of 0 dB shall be used. For the UE maximum output power modified by A-MPR, the power limits specified in subclause 6.2.5B apply. If UE is configured for transmission on single-antenna port, the requirements in subclause 6.2.4 apply.
description: Uplink Multiple Input Multiple Output (UL-MIMO) refers to a technology used in Evolved Universal Terrestrial Radio Access (E-UTRA) that enables user equipment (UE) to utilize multiple transmit antenna connectors for uplink transmission. This technology is specifically mentioned in the context of closed-loop spatial multiplexing schemes, where it affects the maximum output power requirements and measurements for UE devices.
explanation: UL-MIMO is classified as a Technology because it pertains to the specific method or standard used for uplink transmission in E-UTRA systems. The provided context from 3GPP TS 36.101 highlights its relevance to user equipment radio transmission and reception, particularly in relation to output power specifications and configurations.
section_title: 6.2.4B UE maximum output power with additional requirements for UL-MIMO
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