name: RSSI
full_form: Received Signal Strength Indicator
context: 1) For a UE requiring compressed mode A UE supporting GSM measurements using compressed mode shall meet the minimum number of GSM RSSI carrier measurements specified in table 8.4. This measurement shall be based on a transmission gap pattern sequence with purpose "GSM carrier RSSI measurements" In order for the requirements in this subsection to apply the UTRAN must provide a transmission gap pattern sequence with measurement purpose GSM carrier RSSI measurements using the following combinations for TGL1, TGL2 and TGD: Table 8.3 In the CELL_DCH state the measurement period, TMeasurement Period, GSM, for the GSM carrier RSSI measurement is 480 ms. The UE shall meet the measurement accuracy requirements stated for RXLEV in TS45.008, when the given measurement time allows the UE to take at least 3 GSM carrier RSSI samples per GSM carrier in the monitored set during the measurement period. Table 8.4 In case the UE is not able to acquire the required number of samples per GSM carrier during
description: The Received Signal Strength Indicator (RSSI) is a measure used in wireless communication systems, including GSM and UMTS networks. It represents the strength of the received signal at the receiver end, typically measured in decibels (dB). In the context provided, RSSI specifically refers to the measurement of the signal strength of GSM carriers by a User Equipment (UE) during compressed mode operations. The UE is required to meet certain accuracy requirements for these measurements as specified in 3GPP TS 45.008.
explanation: The abbreviation 'RSSI' falls under the entity type 'Measurement' because it refers to a specific metric used to quantify the strength of received signals in wireless communication systems, particularly GSM carriers in this context. The detailed description within the provided text from 3GPP TS 25.133 emphasizes its role as a measurement parameter for assessing signal quality.
section_title: 8.1.2.5.1	GSM carrier RSSI
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