A.8.5 Combined Interfrequency and GSM measurements

25.1333GPPRelease 17Requirements for support of radio resource management (FDD)TS

A.8.5.1 Correct reporting of neighbours in AWGN propagation condition

A.8.5.1.1 Test Purpose and Environment

The purpose of this test is to verify that the UE makes correct reporting of an event when doing inter frequency and GSM measurements. The test will partly verify the requirements in section 8.1.2.3 and 8.1.2.5. The requirements are also applicable for a UE not requiring compressed mode for inter-frequency or inter-RAT GSM measurements. In case a UE is not requiring compressed mode for inter-frequency measurements no compressed mode pattern with measurement purpose "FDD measurement" should be sent and in case a UE is not requiring compressed mode for inter-RAT GSM measurements no compressed mode pattern with measurement purpose "GSM carrier RSSI measurements", "GSM Initial BSIC identification" and "GSM BSIC re-confirmation" should be sent for the parameters specified in table A8.21.

The test consists of five successive time periods, with a time duration T1, T2, T3, T4 and T5. The test parameters are given in tables A.8.21, A.8.22 and A.8.23 below. In the measurement control information it is indicated to the UE that event-triggered reporting with Event 2B and 3A shall be used as well as periodic reporting with period 4s.

Table A.8.21: General test parameters for Correct reporting of neighbours in AWGN propagation condition

Parameter	Unit	Value	Comment
DCH parameters		DL Reference Measurement Channel 12.2 kbps	As specified in TS 25.101 section A.3.1
Power Control		On
Compressed mode Interfrequency measurements – GSM carrier RSSI measurement – GSM Initial BSIC identification – GSM BSIC reconfirmation		DL compressed mode reference pattern 3, set 1 DL compressed mode reference pattern 3, set 2 DL compressed mode reference pattern 3, set 3 DL compressed mode reference pattern 3, set 4	Only applicable for UE requiring compressed mode patterns. As specified in table A.22A TS 25.101 section A.5 As specified in table A.22A TS 25.101 section A.5 As specified in table A.22A TS 25.101 section A.5 As specified in table A.22A TS 25.101 section A.5
Active cell		Cell 1
Inter-RAT measurement quantity		GSM Carrier RSSI
BSIC verification required		required
Absolute Threshold (Ec/N0) used frequency	dB	-15	Ec/Io threshold for Event 2B and 3A
Absolute Threshold (Ec/N0) used for a not used frequency	dB	-15	Ec/Io threshold for Event 2B
Threshold other system	dBm	-80	Absolute GSM carrier RSSI threshold for event 3A.
Time to Trigger	ms	0
Filter coefficient		0
Monitored cell list size		Total 24 FDD neighbours 8 on frequency Channel 2 6 GSM neighbours including ARFCN 1	Measurement control information is sent before the compressed mode pattern starts.
Propagation Condition		AWGN
T1	s	1
T2	s	4
T3	s	1
T4	s	8
T5	s	15

TableA.8.22: Cell Specific parameters for Correct reporting of neighbours in AWGN propagation condition

Parameter	Unit	Cell 1					Cell 2
		T1	T2	T3	T4	T5	T1	T2	T3	T4	T5
UTRA RF Channel Number		Channel 1					Channel 2
CPICH_Ec/Ior	dB	-10					-10
PCCPCH_Ec/Ior	dB	-12					-12
SCH_Ec/Ior	dB	-12					-12
PICH_Ec/Ior	dB	-15					-15
DPCH_Ec/Ior		Note 1			N/A		N/A		Note 1
OCNS	dB	Note 2			-0,941		-0,941		Note 2
	dB	0	-8				-Infinity	-13	-13	-8	-8
	dB / 3,84 MHz	-60
CPICH_Ec/Io	dB	-13	-18,6				-Infinity	-13	-13	-18.6	-18.6
NOTE 1: The DPCH level is controlled by the power control loop NOTE 2: The power of the OCNS channel that is added shall make the total power from the cell to be equal to Ior

Table A.8.23: Cell specific test parameters for Correct reporting of GSM neighbours in AWGN propagation condition (cell 3)

Parameter	Unit	Cell 3
		T1	T2	T3	T4	T5
Absolute RF Channel Number		ARFCN 1
RXLEV	dBm	-Infinity			-75
GSM BSIC		N/A			Valid	Not valid

A.8.5.1.2 Test Requirements

The UE shall send one Event 2B triggered measurement report for Cell2, with a measurement reporting delay less than 3.5 s from the beginning of time period T2.

A handover to cell 2 is signalled to the UE well before end of time period T3.

The UE shall send one Event 3A triggered measurement report for Cell3, with a measurement reporting delay less than 6.24 s from the beginning of time period T4.

The UE shall indicate that the BSIC of the GSM carrier is not verified in a periodic report sent before 9.04 seconds have passed since the start of time period T5.

NOTE: The delay for interfrequency cell detection is equal to:

ms = 3.3 s

where:

is specified in 8.1.2.3.2 as 300 ms

is specified in 8.1.2.3.2 as 480 ms

and

is specified in 8.1.2.3.2 as 6 gaps of length 11 slots each, 44 ms

NOTE: The delay for interRAT cell detection is equal to 6.24 s.

The event triggered measurement reporting delay: 2*T_{Measurement Period, GSM} = 2* 480ms =960ms.

BSIC verification: T_{identify abort}5.28 s.