name: QE
full_form: Quality Estimate
context: The use of SCTD will be indicated by higher layers. If SCTD is active within a cell, SCTD shall be applied to any beacon channel. When beacon channel is used on dedicated MBSFN frequency, SCTD shall not be applied. The SCTD open loop downlink transmit diversity scheme for beacon channels is shown in figure 10, exemplary for the P-CCPCH. Channel coding, rate matching, interleaving and bit-to-symbol mapping are performed as in the non-diversity mode. In TxDiversity mode the beacon channel that is allocated to code is spread with the channelisation codes and and scrambled with the cell specific scrambling code. The beacon channel that is allocated to code is spread with the channelisation codes and and scrambled with the cell specific scrambling code. The spread sequences on code and code are then transmitted on the diversity antenna. The power applied to each antenna shall be equal. The use of SCTD will be indicated by higher layers. Figure 10: Block diagram of the transmitter (SCTD) in
description: The Quality Estimate (QE) is a measurement derived from the transport channel Bit Error Rate (BER) or physical channel BER, used to estimate the quality of the transmission channel in a mobile communication network. It is calculated based on specific conditions and settings, such as the presence of transport blocks, the value of the QE-Selector IE, and the availability of transport channel BER.
explanation: The context provided describes the Quality Estimate (QE) as a metric derived from BER values to assess transmission channel quality in mobile networks. This aligns with the definition of a Measurement entity.
section_title: 6.2.4.5	Quality Estimate (QE)
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