6.7 Tx Diversity modes

34.1083GPPCommon test environments for User Equipment (UE)Conformance testingRelease 15TS

The reference settings for Tx Diversity Mode shall be:

6.7.1 Non-Diverse Operation

DL Transmit Diversity shall be disabled on all cells in the simulated network.

6.7.2 Diverse Operation

6.7.2.1 Diverse Operation (FDD mode)

The diversity options applied to the DL channels shall be as below for all cells in the simulated network.

Channel

Open loop mode

Closed loop

Mode

TSTD

STTD

P-CCPCH

–

X

–

SCH

X

–

–

S-CCPCH

–

X

–

DPCH

–

X

–

PICH

–

X

–

AICH

–

X

–

6.7.2.2 Diverse Operation (TDD mode)

The diversity options applied to the DL channels shall be as below for all cells in the simulated network.

6.7.2.2.1 3.84 Mcps option

Table 6.7.1: Application of Tx diversity schemes on downlink physical channel types
in 3.84 Mcps TDD "X" – can be applied, "-" – must not be applied

Physical channel type

Open loop TxDiversity

Closed loop TxDiversity

TSTD

SCTD (see note)

P-CCPCH

–

X

–

S-CCPCH

—

X

—

SCH

X

–

–

DPCH

–

–

X

PDSCH

–

X

X

PICH

–

X

–

NOTE: SCTD may only be applied to physical channels when they are allocated to beacon locations.
6.7.2.2.2 1.28 Mcps option

Table 6.7.2: Application of Tx diversity schemes on downlink physical channel types
in 1.28 Mcps TDD "X" – can be applied, "-" – must not be applied

Physical channel type

Open loop TxDiversity

Closed loop TxDiversity

TSTD

SCTD (see note)

P-CCPCH

X

X

–

S-CCPCH

X

X

–

DwPCH

X

–

–

DPCH

X

–

X

PDSCH

X

X

X

PICH

X

X

–

NOTE: SCTD may only be applied to physical channels when they are allocated to beacon locations.
6.7.2.2.1 7.68 Mcps option

Table 6.7.1: Application of Tx diversity schemes on downlink physical channel types
in 7.68 Mcps TDD "X" – can be applied, "-" – must not be applied

Physical channel type

Open loop TxDiversity

Closed loop TxDiversity

TSTD

SCTD (see note)

P-CCPCH

–

X

–

S-CCPCH

—

X

—

SCH

X

–

–

DPCH

–

–

X

PDSCH

–

X

X

PICH

–

X

–

NOTE: SCTD may only be applied to physical channels when they are allocated to beacon locations.