14.1.1 Generic radio bearer test procedure for single RB configurations

34.123-13GPPPart 1: Protocol conformance specificationRelease 15TSUser Equipment (UE) conformance specification

This procedure is used to test single radio bearer configurations and speech only radio bearers. For testing of multiple radio bearer combinations as well as for testing simultaneous transmission and reception of user data and signalling data then the procedure as specified in 14.1.2 should be used.

Initial conditions

UE in idle mode

Test procedure

a) The SS establish setup the reference radio bearer configuration as specified in TS 34.108, clause 6.10 for the actual radio bearer test.

b) The SS limits the UE allowed uplink transport format combinations according to the "Restricted UL TFCIs", as specified for the sub-test of the actual radio bearer test, using the RRC transport format combination control procedure. See note 1.

c) The SS closes the test loop using UE test loop mode 1 and setting the UL RLC SDU size parameter, for all radio bearers under test, according to the "UL RLC SDU size" value as specified for the sub-test of the actual radio bearer test. See note 2.

d) The SS transmits, for all radio bearers under test, one or more RLC SDUs having the size equal to the "Test data size" as specified for the sub-test of the actual radio bearer test. See note 3.

e) The SS checks that, for all radio bearers under test, the content of the received RLC SDU has the correct content and is received having the correct transport format. See TS 34.109 [10] clause 5.3.2.6.2 for details regarding the UE loopback of RLC SDUs.

f) The SS opens the UE test loop.

g) Steps b) to f) are repeated for all sub-tests

h) The SS may optionally release the radio bearer.

i) The SS may optionally deactivate the radio bearer test mode.

NOTE 1: The restricted set of TFCIs shall contain all possible TFCI that could happen in a sub-test. The actual TTI of the different radio bearers and signalling radio bearers as well as the possible UE processing delays shall be taken into consideration. The restricted set of TFCIs must comply with the minimum set of TFCIs as specified in TS 25.331, clause 8.6.5.2. This message is transmitted only for cell DCH state.

NOTE 2: Selection of UL RLC SDU size parameter:
For the case when the reference radio bearer configuration under test uses RLC transparent mode in downlink and is not configured for segmented operation then the radio bearer test case shall set the UL RLC SDU size equal to the UL RLC PDU size. See [7] TS 25.322 for details regarding UE operation in RLC transparent mode. In case the reference radio bearer configuration under test does not use RLC transparent mode then the UL RLC SDU size parameter shall be selected to achieve loop back of all test data received in the DL RLC SDU, i.e. the UL RLC SDU size is set to the nearest multiple of the payload size of the UL TF under test minus the size of the length indicator and expansion bit which is equal or bigger than the test data size. For some reference radio bearer configurations this may cause the UE to return the UL RLC SDU in more than one TTI, i.e. in case no UL TF is available to cover the UL RLC SDU size. However, as the test procedure only send downlink test data once there is no risk for the UE transmission buffer to become full even if the returned RLC SDUs need to be transmitted in more than one TTI.

NOTE 3: Selection of test data size:
For the case when the reference radio bearer configuration under test uses RLC transparent mode in downlink and is not configured for segmented operation then the radio bearer test case shall use a DL RLC SDU size (defined by the "Test data size" parameter) equal to the DL RLC PDU size. See [7] TS 25.322 for details regarding UE operation in RLC transparent mode. In case the reference radio bearer configuration under test does not use RLC transparent mode in downlink, the DL RLC SDU size/ test data size shall be set equal to the payload size of the DL TF under test minus the size of the length indicator and the expansion bit.

Expected sequence

CS paging procedure

Step

Direction

Message

Comments

UE

SS

1

<–

SYSTEM INFORMATION (BCCH)

Broadcast

2

<–

PAGING TYPE 1 (PCCH)

Paging (CS domain, TMSI)

3

–>

RRC CONNECTION REQUEST (CCCH)

RRC

4

<–

RRC CONNECTION SETUP (CCCH)

RRC

5

–>

RRC CONNECTION SETUP COMPLETE (DCCH)

RRC

6

–>

PAGING RESPONSE (DCCH)

RR

6a

<–

AUTHENTICATION REQUEST

6b

–>

AUTHENTICATION RESPONSE

6c

<–

SECURITY MODE COMMAND

6d

–>

SECURITY MODE COMPLETE

PS paging procedure

Step

Direction

Message

Comments

UE

SS

1

<–

SYSTEM INFORMATION (BCCH)

Broadcast

2

<–

PAGING TYPE 1 (PCCH)

Paging (PS domain, P-TMSI)

3

–>

RRC CONNECTION REQUEST (CCCH)

RRC

4

<–

RRC CONNECTION SETUP (CCCH)

RRC

5

–>

RRC CONNECTION SETUP COMPLETE (DCCH)

RRC

6a

–>

SERVICE REQUEST (DCCH)

GMM

6b

<–

SECURITY MODE COMMAND

RRC see note 1

6c

–>

SECURITY MODE COMPLETE

RRC see note 1

NOTE 1: In addition to activate integrity protection Step 6b and Step 6c are inserted in order to stop T3317 timer in the UE, which starts after transmitting SERVICE REQUEST message.

Step

Direction

Message

Comments

UE

SS

1..6

<–
–>

Paging

Use the CS paging procedure for testing of CS and combined CS/PS reference radio bearer configurations.

Use the PS paging procedure for testing of

PS reference radio bearer configurations.

7

<–

ACTIVATE RB TEST MODE (DCCH)

TC

8

–>

ACTIVATE RB TEST MODE COMPLETE (DCCH)

TC

9

<–

RADIO BEARER SETUP (DCCH)

RRC.

Channelization code must be set to SF – 1 for the DL DPCH configured.

Channelization code must be set to SF – 1 for the DL DPCH configured.

Secondary Scrambling Code IE must be omitted. For the PS radio bearer the ‘pdcp info’ IE must be omitted.

10

–>

RADIO BEARER SETUP COMPLETE (DCCH)

RRC

11

<–

TRANSPORT FORMAT COMBINATION CONTROL (DCCH)

RRC

Transport format combinations is limited to "Restricted UL TFCIs", as specified for the sub-test

See Note 1

12

<–

CLOSE UE TEST LOOP (DCCH)

TC

UE test mode 1

RLC SDU size is for every active radio bearer set to "UL RLC SDU size", as specified for the sub-test.

13

–>

CLOSE UE TEST LOOP COMPLETE (DCCH)

TC

14

<–

DOWNLINK RLC SDU

Send test data using the downlink transport format combination under test

15

–>

UPLINK RLC SDU

16

<–

OPEN UE TEST LOOP (DCCH)

TC

17

–>

OPEN UE TEST LOOP COMPLETE (DCCH)

TC

18

Repeat steps 11 to 17 for every sub-test.

19

RB RELEASE

RRC

Optional step

20

<–

DEACTIVATE RB TEST MODE

TC

Optional step

21

–>

DEACTIVATE RB TEST MODE COMPLETE

TC

Optional step

Note 1: TRANSPORT FORMAT COMBINATION CONTROL message is transmitted only for cell DCH state.