3 Definitions and abbreviations

25.1113GPPLocation Measurement Unit (LMU) performance specificationRelease 17TSUser Equipment (UE) positioning in UTRAN

3.1 Definitions

For the purposes of the present document, the terms and definitions given in TR 21.905 [5] and the following apply. A term defined in the present document takes precedence over the definition of the same term, if any, in TR 21.905 [5].

Mean power: When applied to a W-CDMA modulated signal this is the power (transmitted or received) in a bandwidth of at least (1+  times the chip rate of the radio access mode. The period of measurement shall be at least one timeslot unless otherwise stated.

NOTE: The roll-off factor  is defined in clause 6.8.1 of [1].

3.2 Abbreviations

For the purposes of the present document, the abbreviations given in TR 21.905 [5] and the following apply. An abbreviation defined in the present document takes precedence over the definition of the same abbreviation, if any, in TR 21.905 [5].

ACS Adjacent Channel Selectivity

BS Base Station

BER Bit Error Ratio

BLER Block Error Ratio

CW Continuous Wave (unmodulated signal)

DL Down Link (forward link)

FDD Frequency Division Duplexing

GSM Global System for Mobile Communications

LMU Location Measurement Unit

UARFCN UTRA Absolute Radio Frequency Channel Number

UE User Equipment

UL Up Link (reverse link)

U-TDOA Uplink Time Difference Of Arrival

WCDMA Wideband Code Division Multiple Access