9.7 CSI reporting (Single receiver antenna)
36.1013GPPEvolved Universal Terrestrial Radio Access (E-UTRA)Release 18TSUser Equipment (UE) radio transmission and reception
The number of receiver antennas NRX assumed for the minimum performance requirement in this clause is 1.
9.7.1 CQI reporting definition under AWGN conditions
9.7.1.1 FDD and half-duplex FDD
The following requirements apply to UE DL Category 0. For the parameters specified in Table 9.7.1.1-1, and using the downlink physical channels specified in tables C.3.2-1 and C.3.2-2, the reported CQI value according to RC.16 FDD in Table A.4-1 shall be in the range of ±1 of the reported median more than 90% of the time. If the PDSCH BLER using the transport format indicated by median CQI is less than or equal to 0.1, the BLER using the transport format indicated by the (median CQI + 1) shall be greater than 0.1. If the PDSCH BLER using the transport format indicated by the median CQI is greater than 0.1, the BLER using transport format indicated by (median CQI – 1) shall be less than or equal to 0.1.
Table 9.7.1.1-1: PUCCH 1-0 static test (FDD and half-duplex FDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
|||
|
Bandwidth |
MHz |
10 |
||||
|
PDSCH transmission mode |
1 |
|||||
|
Downlink power allocation |
|
dB |
0 |
|||
|
|
dB |
0 |
||||
|
σ |
dB |
0 |
||||
|
Propagation condition and antenna configuration |
AWGN (1 x 1) |
|||||
|
SNR (Note 2) |
dB |
0 |
1 |
6 |
7 |
|
|
|
dB[mW/15kHz] |
-98 |
-97 |
-92 |
-91 |
|
|
|
dB[mW/15kHz] |
-98 |
-98 |
|||
|
Max number of HARQ transmissions |
1 |
|||||
|
Physical channel for CQI reporting |
PUCCH Format 2 |
|||||
|
PUCCH Report Type |
4 |
|||||
|
Reporting periodicity |
ms |
Npd = 40 |
||||
|
cqi-pmi-ConfigurationIndex |
41 |
|||||
|
Note 1: Reference measurement channel RC.16 FDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.1/OP.2 FDD as described in Annex A.5.1.1/A.5.1.2. Note 2: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. |
||||||
9.7.1.2 TDD
The following requirements apply to UE DL Category 0. For the parameters specified in Table 9.7.1.2-1, and using the downlink physical channels specified in tables C.3.2-1 and C.3.2-2, the reported CQI value according to RC.16 TDD in Table A.4-1 shall be in the range of ±1 of the reported median more than 90% of the time. If the PDSCH BLER using the transport format indicated by median CQI is less than or equal to 0.1, the BLER using the transport format indicated by the (median CQI + 1) shall be greater than 0.1. If the PDSCH BLER using the transport format indicated by the median CQI is greater than 0.1, the BLER using transport format indicated by (median CQI – 1) shall be less than or equal to 0.1.
Table 9.7.1.2-1: PUCCH 1-0 static test (TDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
|||
|
Bandwidth |
MHz |
10 |
||||
|
PDSCH transmission mode |
1 |
|||||
|
Uplink downlink configuration |
2 |
|||||
|
Special subframe configuration |
4 |
|||||
|
Downlink power allocation |
|
dB |
0 |
|||
|
|
dB |
0 |
||||
|
σ |
dB |
0 |
||||
|
Propagation condition and antenna configuration |
AWGN (1 x 1) |
|||||
|
SNR (Note 2) |
dB |
0 |
1 |
6 |
7 |
|
|
|
dB[mW/15kHz] |
-98 |
-97 |
-92 |
-91 |
|
|
|
dB[mW/15kHz] |
-98 |
-98 |
|||
|
Max number of HARQ transmissions |
1 |
|||||
|
Physical channel for CQI reporting |
PUSCH (Note 3) |
|||||
|
PUCCH Report Type |
4 |
|||||
|
Reporting periodicity |
ms |
Npd = 5 |
||||
|
cqi-pmi-ConfigurationIndex |
3 |
|||||
|
ACK/NACK feedback mode |
Multiplexing |
|||||
|
Note 1: Reference measurement channel RC.16 TDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.1/OP.2 TDD as described in Annex A.5.2.1/A.5.2.2. Note 2: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. Note 3: To avoid collisions between CQI reports and HARQ-ACK it is necessary to report both on PUSCH instead of PUCCH. PDCCH DCI format 0 shall be transmitted in downlink SF#3 and #8 to allow periodic CQI to multiplex with the HARQ-ACK on PUSCH in uplink subframe SF#7 and #2. |
||||||
9.7.1.3 FDD (Category 1bis UE)
The following requirements apply to UE DL Category 1bis. For the parameters specified in Table 9.7.1.3-1, and using the downlink physical channels specified in tables C.3.2-1 and C.3.2-2, the reported CQI value according to RC.4 FDD in Table A.4-1 shall be in the range of ±1 of the reported median more than 90% of the time. If the PDSCH BLER using the transport format indicated by median CQI is less than or equal to 0.1, the BLER using the transport format indicated by the (median CQI + 1) shall be greater than 0.1. If the PDSCH BLER using the transport format indicated by the median CQI is greater than 0.1, the BLER using transport format indicated by (median CQI – 1) shall be less than or equal to 0.1.
Table 9.7.1.3-1: PUCCH 1-0 static test (FDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
|||
|
Bandwidth |
MHz |
10 |
||||
|
PDSCH transmission mode |
1 |
|||||
|
Downlink power allocation |
|
dB |
0 |
|||
|
|
dB |
0 |
||||
|
σ |
dB |
0 |
||||
|
Propagation condition and antenna configuration |
AWGN (1 x 1) |
|||||
|
SNR (Note 2) |
dB |
0 |
1 |
6 |
7 |
|
|
|
dB[mW/15kHz] |
-98 |
-97 |
-92 |
-91 |
|
|
|
dB[mW/15kHz] |
-98 |
-98 |
|||
|
Max number of HARQ transmissions |
1 |
|||||
|
Physical channel for CQI reporting |
PUCCH Format 2 |
|||||
|
PUCCH Report Type |
4 |
|||||
|
Reporting periodicity |
ms |
Npd = 5 |
||||
|
cqi-pmi-ConfigurationIndex |
6 |
|||||
|
Note 1: Reference measurement channel RC.4 FDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.2 FDD as described in Annex A.5.1.2. Note 2: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. |
||||||
9.7.1.4 TDD (Category 1bis UE)
The following requirements apply to UE DL Category 1bis. For the parameters specified in Table 9.7.1.4-1, and using the downlink physical channels specified in tables C.3.2-1 and C.3.2-2, the reported CQI value according to RC.4 TDD in Table A.4-1 shall be in the range of ±1 of the reported median more than 90% of the time. If the PDSCH BLER using the transport format indicated by median CQI is less than or equal to 0.1, the BLER using the transport format indicated by the (median CQI + 1) shall be greater than 0.1. If the PDSCH BLER using the transport format indicated by the median CQI is greater than 0.1, the BLER using transport format indicated by (median CQI – 1) shall be less than or equal to 0.1.
Table 9.7.1.4-1: PUCCH 1-0 static test (TDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
|||
|
Bandwidth |
MHz |
10 |
||||
|
PDSCH transmission mode |
1 |
|||||
|
Uplink downlink configuration |
2 |
|||||
|
Special subframe configuration |
4 |
|||||
|
Downlink power allocation |
|
dB |
0 |
|||
|
|
dB |
0 |
||||
|
σ |
dB |
0 |
||||
|
Propagation condition and antenna configuration |
AWGN (1 x 1) |
|||||
|
SNR (Note 2) |
dB |
0 |
1 |
6 |
7 |
|
|
|
dB[mW/15kHz] |
-98 |
-97 |
-92 |
-91 |
|
|
|
dB[mW/15kHz] |
-98 |
-98 |
|||
|
Max number of HARQ transmissions |
1 |
|||||
|
Physical channel for CQI reporting |
PUSCH (Note 3) |
|||||
|
PUCCH Report Type |
4 |
|||||
|
Reporting periodicity |
ms |
Npd = 5 |
||||
|
cqi-pmi-ConfigurationIndex |
3 |
|||||
|
ACK/NACK feedback mode |
Multiplexing |
|||||
|
Note 1: Reference measurement channel RC.4 TDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.1/OP.2 TDD as described in Annex A.5.2.1/A.5.2.2. Note 2: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. Note 3: To avoid collisions between CQI reports and HARQ-ACK it is necessary to report both on PUSCH instead of PUCCH. PDCCH DCI format 0 shall be transmitted in downlink SF#3 and #8 to allow periodic CQI to multiplex with the HARQ-ACK on PUSCH in uplink subframe SF#7 and #2. |
||||||
9.7.2 CQI reporting under fading conditions
9.7.2.1 FDD and half-duplex FDD
For the parameters specified in Table 9.7.2.1-1, and using the downlink physical channels specified in Annex C.3.2, the minimum requirements are specified in Table 9.7.2.1-2 and by the following
a) a sub-band differential CQI offset level of 0 shall be reported at least % of the time but less than % for each sub-band;
b) the ratio of the throughput obtained when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS and that obtained when transmitting the TBS indicated by the reported wideband CQI median on a randomly selected sub-band in set S shall be ≥ ;
c) when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS, the average BLER for the indicated transport formats shall be greater or equal to 0.05.
The requirements only apply for sub-bands of full size and the random scheduling across the sub-bands is done by selecting a new sub-band in each TTI for FDD and in each available downlink transmission instance for half-duplex FDD.
Table 9.7.2.1-1 Sub-band test for single antenna transmission (FDD and half-duplex FDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
||||
|
Bandwidth |
MHz |
10 MHz |
|||||
|
Transmission mode |
1 (port 0) |
||||||
|
Downlink power allocation |
|
dB |
0 |
||||
|
|
dB |
0 |
|||||
|
σ |
dB |
0 |
|||||
|
SNR (Note 3) |
dB |
8 |
9 |
13 |
14 |
||
|
|
dB[mW/15kHz] |
-90 |
-89 |
-85 |
-84 |
||
|
|
dB[mW/15kHz] |
-98 |
-98 |
||||
|
Propagation channel |
Clause B.2.4 with |
||||||
|
Antenna configuration |
1 x 1 |
||||||
|
Reporting interval |
ms |
8 |
|||||
|
CQI delay |
ms |
8 |
|||||
|
Reporting mode |
PUSCH 3-0 |
||||||
|
Sub-band size |
RB |
6 (full size) |
|||||
|
Max number of HARQ transmissions |
1 |
||||||
|
Note 1: If the UE reports in an available uplink reporting instance at subframe SF#n based on CQI estimation at a downlink subframe not later than SF#(n-4), this reported subband or wideband CQI cannot be applied at the eNB downlink before SF#(n+4) Note 2: Reference measurement channel RC.16 FDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.1/2 FDD as described in Annex A.5.1.1/2. Note 3: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. |
|||||||
s, a = 1, 
HzTable 9.7.2.1-2 Minimum requirement (FDD and half-duplex FDD)
|
Test 1 |
Test 2 |
|
|
[%] |
2 |
2 |
|
[%] |
55 |
55 |
|
|
1.1 |
1.1 |
|
UE DL Category |
0 |
0 |
9.7.2.2 TDD
For the parameters specified in Table 9.7.2.2-1, and using the downlink physical channels specified in Annex C.3.2, the minimum requirements are specified in Table 9.7.2.2-2 and by the following
a) a sub-band differential CQI offset level of 0 shall be reported at least % of the time but less than % for each sub-band;
b) the ratio of the throughput obtained when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS and that obtained when transmitting the TBS indicated by the reported wideband CQI median on a randomly selected sub-band in set S shall be ≥ ;
c) when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS, the average BLER for the indicated transport formats shall be greater or equal to 0.05.
The requirements only apply for sub-bands of full size and the random scheduling across the sub-bands is done by selecting a new sub-band in each available downlink transmission instance for TDD.
Table 9.7.2.2-1 Sub-band test for single antenna transmission (TDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
|||||||
|
Bandwidth |
MHz |
10 MHz |
||||||||
|
Transmission mode |
1 (port 0) |
|||||||||
|
Downlink power allocation |
|
dB |
0 |
|||||||
|
|
dB |
0 |
||||||||
|
σ |
dB |
0 |
||||||||
|
Uplink downlink configuration |
2 |
|||||||||
|
Special subframe configuration |
4 |
|||||||||
|
SNR (Note 3) |
dB |
8 |
9 |
13 |
14 |
|||||
|
|
dB[mW/15kHz] |
-90 |
-89 |
-85 |
-84 |
|||||
|
|
dB[mW/15kHz] |
-98 |
-98 |
|||||||
|
Propagation channel |
Clause B.2.4 with |
|||||||||
|
Antenna configuration |
1 x 1 |
|||||||||
|
Reporting interval |
ms |
5 |
||||||||
|
CQI delay |
ms |
10 or 11 |
||||||||
|
Reporting mode |
PUSCH 3-0 |
|||||||||
|
Sub-band size |
RB |
6 (full size) |
||||||||
|
Max number of HARQ transmissions |
1 |
|||||||||
|
ACK/NACK feedback mode |
Multiplexing |
|||||||||
|
Note 1: If the UE reports in an available uplink reporting instance at subframe SF#n based on CQI estimation at a downlink subframe not later than SF#(n-4), this reported subband or wideband CQI cannot be applied at the eNB downlink before SF#(n+4) Note 2: Reference measurement channel RC.16 TDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.1/2 TDD as described in Annex A.5.2.1/2. Note 3: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. |
||||||||||
s, a = 1, 
HzTable 9.7.2.2-2 Minimum requirement (TDD)
|
Test 1 |
Test 2 |
|
|
[%] |
2 |
2 |
|
[%] |
55 |
55 |
|
|
1.1 |
1.1 |
|
UE DL Category |
0 |
0 |
9.7.2.3 FDD (Category 1bis UE)
The following requirements apply to UE DL Category 1bis. For the parameters specified in Table 9.7.2.3-1, and using the downlink physical channels specified in Annex C.3.2, the minimum requirements are specified in Table 9.7.2.3-2 and by the following
a) a sub-band differential CQI offset level of 0 shall be reported at least % of the time but less than % for each sub-band;
b) the ratio of the throughput obtained when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS and that obtained when transmitting the TBS indicated by the reported wideband CQI median on a randomly selected sub-band in set S shall be ≥ ;
c) when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS, the average BLER for the indicated transport formats shall be greater or equal to 0.05.
The requirements only apply for sub-bands of full size and the random scheduling across the sub-bands is done by selecting a new sub-band in each TTI.
Table 9.7.2.3-1 Sub-band test for single antenna transmission (FDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
||||
|
Bandwidth |
MHz |
10 MHz |
|||||
|
Transmission mode |
1 (port 0) |
||||||
|
Downlink power allocation |
|
dB |
0 |
||||
|
|
dB |
0 |
|||||
|
σ |
dB |
0 |
|||||
|
SNR (Note 3) |
dB |
8 |
9 |
13 |
14 |
||
|
|
dB[mW/15kHz] |
-90 |
-89 |
-85 |
-84 |
||
|
|
dB[mW/15kHz] |
-98 |
-98 |
||||
|
Propagation channel |
Clause B.2.4 with |
||||||
|
Antenna configuration |
1 x 1 |
||||||
|
Reporting interval |
ms |
5 |
|||||
|
CQI delay |
ms |
8 |
|||||
|
Reporting mode |
PUSCH 3-0 |
||||||
|
Sub-band size |
RB |
6 (full size) |
|||||
|
Max number of HARQ transmissions |
1 |
||||||
|
Note 1: If the UE reports in an available uplink reporting instance at subframe SF#n based on CQI estimation at a downlink subframe not later than SF#(n-4), this reported subband or wideband CQI cannot be applied at the eNB downlink before SF#(n+4) Note 2: Reference measurement channel RC.3 FDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.2 FDD as described in Annex A.5.1.2. Note 3: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. |
|||||||
s, a = 1, 
HzTable 9.7.2.3-2 Minimum requirement (FDD)
|
Test 1 |
Test 2 |
|
|
[%] |
2 |
2 |
|
[%] |
55 |
55 |
|
|
1.15 |
1.15 |
|
UE DL Category |
1bis |
1bis |
9.7.2.4 TDD (Category 1bis UE)
The following requirements apply to UE DL Category 1bis. For the parameters specified in Table 9.7.2.4-1, and using the downlink physical channels specified in Annex C.3.2, the minimum requirements are specified in Table 9.7.2.4-2 and by the following
a) a sub-band differential CQI offset level of 0 shall be reported at least % of the time but less than % for each sub-band;
b) the ratio of the throughput obtained when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS and that obtained when transmitting the TBS indicated by the reported wideband CQI median on a randomly selected sub-band in set S shall be ≥ ;
c) when transmitting on a randomly selected sub-band among the sub-bands with the highest differential CQI offset level the corresponding TBS, the average BLER for the indicated transport formats shall be greater or equal to 0.05.
The requirements only apply for sub-bands of full size and the random scheduling across the sub-bands is done by selecting a new sub-band in each available downlink transmission instance for TDD.
Table 9.7.2.4-1 Sub-band test for single antenna transmission (TDD)
|
Parameter |
Unit |
Test 1 |
Test 2 |
|||||||
|
Bandwidth |
MHz |
10 MHz |
||||||||
|
Transmission mode |
1 (port 0) |
|||||||||
|
Downlink power allocation |
|
dB |
0 |
|||||||
|
|
dB |
0 |
||||||||
|
σ |
dB |
0 |
||||||||
|
Uplink downlink configuration |
2 |
|||||||||
|
Special subframe configuration |
4 |
|||||||||
|
SNR (Note 3) |
dB |
8 |
9 |
13 |
14 |
|||||
|
|
dB[mW/15kHz] |
-90 |
-89 |
-85 |
-84 |
|||||
|
|
dB[mW/15kHz] |
-98 |
-98 |
|||||||
|
Propagation channel |
Clause B.2.4 with |
|||||||||
|
Antenna configuration |
1 x 1 |
|||||||||
|
Reporting interval |
ms |
5 |
||||||||
|
CQI delay |
ms |
10 or 11 |
||||||||
|
Reporting mode |
PUSCH 3-0 |
|||||||||
|
Sub-band size |
RB |
6 (full size) |
||||||||
|
Max number of HARQ transmissions |
1 |
|||||||||
|
ACK/NACK feedback mode |
Multiplexing |
|||||||||
|
Note 1: If the UE reports in an available uplink reporting instance at subframe SF#n based on CQI estimation at a downlink subframe not later than SF#(n-4), this reported subband or wideband CQI cannot be applied at the eNB downlink before SF#(n+4) Note 2: Reference measurement channel RC.3 TDD according to Table A.4-1 with one/two sided dynamic OCNG Pattern OP.1/2 TDD as described in Annex A.5.2.1/2. Note 3: For each test, the minimum requirements shall be fulfilled for at least one of the two SNR(s) and the respective wanted signal input level. |
||||||||||
s, a = 1, 
HzTable 9.7.2.4-2 Minimum requirement (TDD)
|
Test 1 |
Test 2 |
|
|
[%] |
2 |
2 |
|
[%] |
55 |
55 |
|
|
1.15 |
1.15 |
|
UE DL Category |
1bis |
1bis |