4.6C Coding for HS-SCCH orders

25.2123GPPMultiplexing and channel coding (FDD)Release 17TS

Tools: ARFCN - Frequency Conversion for 5G NR/LTE/UMTS/GSM

4.6C.1 Overview

HS-SCCH orders are commands sent to the UE using HS-SCCH. No HS-PDSCH is associated with HS-SCCH orders.

The following information is transmitted by means of the HS-SCCH order physical channel.

– Extended order type (2bits) x_eodt,1, x_eodt,2

– Order type (3 bits): x_odt,1, x_odt,2, x_odt,3

– Order (3 bits): x_ord,1, x_ord,2, x_ord,3

– UE identity (16 bits): x_ue,1, x_ue,2, …, x_ue,16

The coding for HS-SCCH orders is specified in subclause 4.6.1 for a cell where the UE is not configured in MIMO mode and not configured in MIMO mode with four transmit antennas or if the UE is in CELL_FACH state and in subclause 4.6B.1 for a cell where the UE is configured in MIMO mode, in subclause 4.6D.1 for a cell where the UE is configured in MIMO mode with four transmit antennas with the exception of HS-DSCH serving cell change order, which is always transmitted using HS-SCCH type 1 specified in subclause 4.6.1.

4.6C.2 HS-SCCH Order information field mapping in the CELL_DCH state

4.6C.2.1 Order type mapping

If the extended Order type x_eodt,1, x_eodt,2= ’01’ and the Order type x_odt,1, x_odt,2, x_odt,3 = ”000’, then the mapping for x_ord,1, x_ord,2, x_ord,3 is according to subclause 4.6C.2.2.1.

If the extended Order type x_eodt,1, x_eodt,2= ’01’ and the Order type x_odt,1, x_odt,2, x_odt,3 = ”011’, then the mapping for x_ord,1, x_ord,2, x_ord,3 is according to subclause 4.6C.2.2.3.

If the extended Order type x_eodt,1, x_eodt,2= ’11’ and the Order type x_odt,1, x_odt,2, x_odt,3 = ”010’, then the mapping for x_ord,1, x_ord,2, x_ord,3 is according to subclause 4.6C.2.2.4.

If the extended Order type xeodt,1, xeodt,2 = "11" and the Order type xodt,1, xodt,2, xodt,3 = ”011", then the mapping for x_ord,1,x_ord,2, x_ord,3 is according to subclause 4.6C.2.2.5.

Otherwise the mapping for x_eodt,1 , x_eodt,2, x_odt,1, x_odt,2, x_odt,3, x_ord,1, x_ord,2, x_ord,3 is according to subclause 4.6C.2.2.2.

4.6C.2.2 Order mapping

4.6C.2.2.1 Orders for activation and deactivation of DTX, DRX and HS-SCCH-less operation and for HS-DSCH serving cell change

If the order is transmitted from the serving HS-DSCH cell or a secondary serving HS-DSCH cell, for this Order type, x_ord,1, x_ord,2, x_ord,3 is comprised of:

– DRX activation (1 bit): x_ord,1 = x_drx,1

– DTX activation (1 bit): x_ord,2 = x_dtx,1

– HS-SCCH-less operation activation (1 bit): x_ord,3 = x_{hs-scch-less,1}

If x_drx,1= ”0’, then the HS-SCCH order is a DRX De-activation order.

If x_drx,1= ”1’, then the HS-SCCH order is a DRX Activation order.

If x_dtx,1= ”0’, then the HS-SCCH order is a DTX De-activation order.

If x_dtx,1= ”1’, then the HS-SCCH order is a DTX Activation order.

If x_{hs-scch-less,1}= ”0’, then the HS-SCCH order is a HS-SCCH-less operation De-activation order.

If x_{hs-scch-less,1}= ”1’, then the HS-SCCH order is a HS-SCCH-less operation Activation order.

If the order is transmitted from a non-serving cell using HS-SCCH type 1 specified in subclause 4.6.1 and x_ord,1, x_ord,2, x_ord,3 = ”000’, then it is an HS-DSCH serving cell change order .

x_drx,1, x_dtx,1 = ”10’ is a reserved combination (not used in this release).

4.6C.2.2.2 Orders for activation and deactivation of Secondary serving HS-DSCH cells and Secondary uplink frequency

For these Extended Order types and Order types, the meaning of the orders is listed in Table 14B for the case where Secondary_Cell_Enabled is less than 4. For the case where Secondary_Cell_Enabled is greater than 3 the meaning of the orders is listed in Table 14B.1.

When Secondary_Cell_Enabled is 1,

– the order type x_odt,1, x_odt,2, x_odt,3 = ‘010’ is unused;

– regardless of the signaled value of x_ord,1 the UE shall assume x_ord,1 = ‘0’;

– x_ord,2, x_ord,3 = ”10’ is an unused combination.

When the UE is configured in Multiflow mode the following exceptions to the definitions in table 14B apply:

– For the orders received from the Serving or the Secondary Serving HS-DSCH cell, the UE shall consider the 1^st Secondary Serving cell to refer to the Secondary Serving HS-DSCH cell and apply the received order to that cell. The activation status of all other cells shall remain unchanged.

– For the orders received from the Assisting Serving or Assisting Secondary Serving HS-DSCH cell the UE shall consider the 1^st Secondary Serving cell to refer to the Assisting Secondary Serving HS-DSCH cell and apply the received order to that cell. The activation status of all other cells shall remain unchanged.

– For the orders received from the Assisting Serving or Assisting Secondary Serving HS-DSCH cell the UE shall ignore activation status related to the Secondary Uplink Frequency and maintain the activation status of the Secondary Uplink Frequency unchanged.

– The order contents related to the 2^nd and 3^rd Secondary Serving HS-DSCH cells shall be ignored.

Table 14B: Orders for activation and deactivation of Secondary serving HS-DSCH cells and Secondary uplink frequency when Secondary_Cell_Enabled is less than 4, or when the UE is configured in Multiflow mode.

Extended Order Type	Order Type	Order Mapping			Activation Status of Secondary Serving HS-DSCH cells and Secondary Uplink Frequency A= Activate; D = De-activate
x_eodt,1, x_eodt,2	x_odt,1, x_odt,2, x_odt,3	x_ord,1	x_ord,2	x_ord,3	1^st Secondary Serving HS-DSCH cell	2^nd Secondary Serving HS-DSCH cell	3^rd Secondary Serving HS-DSCH cell	Secondary Uplink Frequency
01	001	0	0	0	D	D	D	D
		0	0	1	A	D	D	D
		0	1	1	A	D	D	A
		0	1	0	D	A	D	D
		1	0	0	A	A	D	D
		1	0	1	A	A	D	A
		1	1	0	D	D	A	D
		1	1	1	A	D	A	D
	010	0	0	0	A	D	A	A
		0	0	1	D	A	A	D
		0	1	0	A	A	A	D
		0	1	1	A	A	A	A
		1	0	0	Unused (Reserved)
		1	0	1	Unused (Reserved)
		1	1	0	Unused (Reserved)
		1	1	1	Unused (Reserved)

Table 14B.1: Orders for activation and deactivation of Secondary serving HS-DSCH cells and Secondary uplink frequency when Secondary_Cell_Enabled is greater than 3.

Extended Order Type

Order Type

Order Mapping

Activation Status of Secondary Serving HS-DSCH cells and Secondary Uplink Frequency A= Activate; D = De-activate

x_eodt,,1

x_eodt,,2

x_odt,1, x_odt,2, x_odt,3

x_ord,1

x_ord,2

x_ord,3

1^st Sec Serving HS-DSCH cell

2^nd Sec Serving HS-DSCH cell

3^rd Sec Serving HS-DSCH cell

4^th Sec Serving HS-DSCH cell

5^th Sec Serving HS-DSCH cell

6^th Sec Serving HS-DSCH cell

7^th Sec Serving HS-DSCH cell

Sec Uplink Freq

000

001

010

011

100

101

110

111

001

010

100

101

110

111

000

001

010

011

100

101

110

111

000

001

4.6C.2.2.3 Orders for Switching between Uplink Closed Loop Transmit Diversity Activation states

For this Order type, the meaning of the orders is listed in Table 14B.2.

When the UE is configured in Multiflow mode, if any of the orders related to uplink CLTD activation states as defined in Table 14B.2 are received from the Assisting Serving or Assisting Secondary Serving HS-DSCH cell, then the UE shall ignore the orders and maintain the uplink CLTD activation state unchanged.

Table 14B.2: Orders for UE when UL_CLTD_Enabled is TRUE

Extended Order Type	Order Type	Order Mapping			Activation States A= Activate; D = De-activate
x_eodt,1, x_eodt,2	x_odt,1, x_odt,2, x_odt,3	x_ord,1	x_ord,2	x_ord,3	1	2	3
x_eodt,1, x_eodt,2	x_odt,1, x_odt,2, x_odt,3	x_ord,1	x_ord,2	x_ord,3	Tx on Antenna 1 and Antenna 2 with Beamforming (Note 1)	Single Tx on Antenna 1 with no S-DPCCH	Single Tx on Antenna 2 with no S-DPCCH
01	011	1	1	1	A	D	D
		0	0	1	D	A	D
		0	1	0	D	D	A
		1	0	1	Unused (Reserved)
		1	1	0	Unused (Reserved)
		0	0	0	Unused (Reserved)
		0	1	1	Unused (Reserved)
		1	0	0	Unused (Reserved)

Note 1: The precoding weights for beamforming are defined in [4].

4.6C.2.2.4 Orders for activating and de-activating demodulation common pilots (D-CPICH) when the UE is configured in MIMO mode with four transmit antennas

For this Order type, the meaning of the orders is listed in Table 14B.3.

Table 14B.3: Orders when the UE is configured in MIMO mode with four transmit antennas

Extended Order Type	Order Type	Order Mapping			D-CPICH Activation States A= Activate; D = De-activate
x_eodt,1, x_eodt,2	x_odt,1, x_odt,2, x_odt,3	x_ord,1	x_ord,2	x_ord,3	D-CPICH Activation States A= Activate; D = De-activate
11	010	1	1	1	A
		0	0	0	D
		0	0	1	Unused (Reserved)
		0	1	0	Unused (Reserved)
		0	1	1	Unused (Reserved)
		1	0	0	Unused (Reserved)
		1	0	1	Unused (Reserved)
		1	1	0	Unused (Reserved)

Note 1: The activation and de-activation status corresponds to individual HS-DSCH cell.

Note 2: Activation and de-activation indication applies for all the demodulation common pilots configured in the cell.

4.6C.2.2.5 Orders for switching the E-DCH TTI, and for start/stop a simplified HS-SCCH type 1 transmission interval

If the order is transmitted from the serving HS-DSCH cell or a secondary serving HS-DSCH cell, for this Order type, the meaning of the orders for single cell E-DCH is listed in Table 14B.3A and the meaning of the orders for dual cell E-DCH is listed in Table 14B.3B.

Table 14B.3A: Orders for switching the E-DCH TTI for single cell E-DCH and for start/stop a simplified HS-SCCH type 1 transmission interval

Extended Order Type	Order Type	Order Mapping			Interpretation
x_eodt,1, x_eodt,2	x_odt,1, x_odt,2, x_odt,3	x_ord,1	x_ord,2	x_ord,3	Interpretation
11	011	0	0	0	TTI switch order from 2ms to 10ms
		0	0	1	TTI switch order from 10ms to 2ms
		0	1	0	Start simplified HS-SCCH type 1 transmission interval order
		0	1	1	Stop simplified HS-SCCH type 1 transmission interval order
		1	0	0	Unused (Reserved) for single cell E-DCH
		1	0	1	Unused (Reserved) for single cell E-DCH
		1	1	0	Unused (Reserved) for single cell E-DCH
		1	1	1	Unused (Reserved) for single cell E-DCH

Table 14B.3B: Orders for switching the E-DCH TTI for dual cell E-DCH

Extended Order Type	Order Type	Order Mapping			Interpretation
x_eodt,1, x_eodt,2	x_odt,1, x_odt,2, x_odt,3	x_ord,1	x_ord,2	x_ord,3	Interpretation
11	011	0	0	0	Unused (Reserved for dual cell E-DCH)
		0	0	1	Unused (Reserved for dual cell E-DCH)
		0	1	0	TTI switch order to 2ms+10ms
		0	1	1	TTI switch order to 10ms+2ms
		1	0	0	TTI switch order to 2ms+2ms
		1	0	1	TTI switch order to 10ms+10ms
		1	1	0	Unused (Reserved for dual cell E-DCH)
		1	1	1	Unused (Reserved for dual cell E-DCH)

NOTE 1: (Table 14B.3B): For the TTI switch orders the TTI length displayed on the left hand side applies to the primary uplink frequency, while the TTI length displayed on the right hand side applies to the secondary uplink frequency.

NOTE 2: (Table 14B.3B): The TTI switch orders also apply if the secondary uplink frequency is deactivated, but it becomes effective on the secondary uplink frequency upon its re-activation.

4.6C.2.3 UE identity mapping

The UE identity is the HS-DSCH Radio Network Identifier (H-RNTI) defined in [13]. This is mapped such that x_ue,1 corresponds to the MSB and x_ue,16 to the LSB, cf. [14].

4.6C.3 HS-SCCH order information field mapping in the CELL_FACH and CELL_PCH states

4.6C.3.1 Order type mapping

4.6C.3.2 Order mapping

4.6C.3.2.1 Orders for network triggered HS-DPCCH transmission

For this Order type, the Order mapping x_ord,1, x_ord,2, x_ord,3 and the associated meaning is as follows:

If x_ord,1, x_ord,2, x_ord,3 = ”001’, then the HS-SCCH order is an order for triggering the random access procedure in CELL_FACH as specified in subclause 6.1A in [4].

4.6C.3.2.2 Orders for HS-DSCH reception during CELL_FACH HS-SCCH DRX operation

For this Order type, the Order mapping x_ord,1, x_ord,2, x_ord,3 and the associated meaning is as follows:

If x_ord,1, x_ord,2, x_ord,3 = ”110” then the HS-SCCH order is an order for notifying about an HS-DSCH transmission during CELL_FACH HS-SCCH DRX operation as specified in [4] subclause 6A.1.3.2.