Frequency domain description of DCI: (a,b) Two frequency combs with
5G NR DCI中的各控制字段_frequency domain resource assignment-CSDN博客
5G
How LTE Stuff Works?: 5G NR: PUSCH Resource Allocation in Frequency-Domain
How LTE Stuff Works?: 5G NR: PDSCH Resource Allocation in Frequency-Domain
NR PDSCH(5)----DCI FOR PDSCH
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COMMENTS
5G
Frequency domain resource assignment. The number of bits(bit length) for this field is determined by following formula . The meaning of varies depending on the search space where DCI_0_0 is transmitted.. When stransmitted in common search space,
5G NR: PDSCH Resource Allocation in Frequency-Domain
The network informs the UE about the frequency resources to be used for the reception of PDSCH using DCI Formats 1_0, 1_1 or 1_2. Within these DCI Formats, the field 'Frequency domain resource assignment' carries the required resource allocation information. Refer to 5.1.2.2 from 38.214 for more information.
NR PDSCH Resource Allocation and DM-RS and PT-RS Reference ...
The resources in the frequency domain for PDSCH transmission are scheduled by a DCI in the field Frequency domain resource assignment. This field indicates whether the resource allocation of resource blocks (RBs) is contiguous or noncontiguous, based on the allocation type. The RBs allocated are within the BWP.
5G
If the scheduling DCI is configured to indicate the downlink resource allocation type as part of the Frequency domain resource assignment field by setting a higher layer parameter resourceAllocation in pdsch-Config to 'dynamicswitch', the UE shall use downlink resource allocation type 0 or type 1 as defined by this DCI field. Otherwise the UE ...
NR Downlink Control Information Formats
DCI Format 1 _ 0 field (SI-RNTI) Size Frequency domain resource assignment ⌈ l o g 2 (N R B D L, B W P (N R B D L, B W P + 1) / 2) ⌉ bits, where N R B D L, B W P is the size of CORESET 0 Time domain resource assignment 4 bits as defined in Clause 5.1.2.1 of TS 38.214 VRB-to-PRB mapping 1 bit according to TS 38.212 Table 7.3.1.2.2-5 ...
NR PUSCH Resource Allocation and DM-RS and PT-RS Reference ...
The resources in the frequency domain for PUSCH transmission are scheduled by a DCI in the field Frequency domain resource assignment. This field indicates whether the resource allocation of resource blocks (RBs) is contiguous or noncontiguous, based on the allocation type. The RBs allocated are within the BWP.
5G flexible scheduling
The candidate resources are semistatically configured in a table and dynamically selected by DCI. • Frequency-domain granularity is a PRB and time-domain granularity is a symbol. 5.1.3. ... Type 0: when Type 0 is configured, the Frequency-domain Resource Assignment (FDRA) field in DCI contains a bitmap for Type 0 resource allocation. ...
PDCCH order in 5G NR
When UE decodes the DCI Format1_0 with CRC scrambled by C-RNTI and the "Frequency domain resource assignment" field are of all ones, the DCI format 1_0 is for random access procedure initiated by a PDCCH order. UE then decodes below DCI Format 1_0 Fields. Random Access Preamble index: This field contains 6 bits. It indicates which Random ...
How LTE Stuff Works?: DCI Formats in 5G NR
- Note2: Through "Time domain resource assignment" field in the DCI, the network indicates the entry to choose from PDSCH time domain allocation table. The table is either the default PDSCH time domain allocation according to table 5.1.2.1.1 from 38.214 or configured by RRC using IE pdsch-TimeDomainAllocationList in either pdsch ...
5G
Identifier for DCI formats. 1 . Frequency domain resource assignment. N. Variable with UL BWP N_RB. Indicate PRB location within the BWP. The number of bits and the value is determined as described here. Time domain resource assignment. X. Carries the row index of the items in pusch_allocationList in RRC. Frequency Hopping Flag. 1 . Modulation ...
Random Access MSG3
else: expand the frequency domain resource assignment field by inserting bit(s) of zero after the N UL,hop bits, where N UL,hop is provided in Table 8.3-1. The trancated or expanded frequency resource assignment field is then interpreted as the frequency resource assignment field in DCI format 0_0.
Support of Ultra-reliable and Low-Latency Communications ...
Frequency domain resource assignment field. Redundancy version field. HARQ process number field. ... The new DCI formats also differ from DCI format 0_1/1_1 in the sense that the new DCI formats do not support two transport blocks for DL or code block group-based transmission. The limitation was introduced because the new formats were designed ...
5G
If configured, the values provided herein override the values received in corresponding PDSCH-ConfigCommon. This information elements has an array structure as sown below. For each PDSCH scheduling, Time domain resource assignment of DCI 1_0 or DCI 1_1 specify a specific row number (row index) of the following table as stated in 38.214 - 5.1.2.1.
PDCCH Order
When PDCCH order is triggered with C-RNTI the network sets the Field "Frequency-domain resource assignment" in DCI with all ones. When UE decodes the DCI Format 1_0 with CRC scrambled by C-RNTI and the " Frequency domain resource assignment " field are of all ones, the DCI format 1_0 is for random access procedure initiated by a PDCCH ...
PDF 5G Standalone Access Registration Signaling Messages
Identifier of DCI formats 1 Frequency domain resource assignment ⌈ log2(NRBDL,BWP(NRBDL,BWP + 1)/2)⌉ NRB DL,BWP is the size of the active DL bandwidth part in case DCI format 1_0 is monitored in the UE specific search space if DCH sizes <= 4 and DCI size with C-RNTI <= 3. Otherwise NRB DL,BWP is the size of CORESET 0 Time domain resource ...
How LTE Stuff Works?: 5G NR: Random Access Procedure
DCI format 1_0 addressed to C-RNTI with all fields of "Frequency domain resource assignment" set to ones indicate that the received DCI is for RA procedure initiated by a PDCCH order. This DCI contains the following; - RA Preamble Index - 6 bits- UL/SUL indicator - 1 bit. If the ...
5G
As mentioned above, frequency domain resource allocation is very similar to LTE. Mainly determined by bitmap or RIV depending of Resource Allocation Type. This part will be described in a separate page titled Resource Allocation Type. PDSCH - Time Domain Allocation (DCI - PDSCH Timing) : K0. Following is the illustration showing the Time Domain ...
PDF Physical DL Control Channel "Resource Allocation"
DCI Main Contents Frequency domain Resource Assignment Time domain Resource Assignment Modulation and Coding Scheme Set of Resource Blocks for PDSCH or PUSCH 1- Starting Symbol 2- Number of allocated Symbols 3- Slot Offset HARQ Define which MCS Table to be used Example: 64QAM / 256QAM
NR channels
Identifier for DCI formats: 1: Set to 1, indicating Downlink DCI format: Carrier indicator: 0,3: 38.213: Bandwidth part indicator: 0/1/2: BandwidthPart-Config: Frequency domain resource assignment: 7-16: FDRA = f(N DL,BWP RB) N DL,BWP RB: 11 RBs → 7 bits N DL,BWP RB: 275 RBs → 16 bits: Time domain resource assignment: 4
Understanding the Heart of the 5G Air Interface: An Overview of
as a unit in frequency-domain resource allocation for . channels/signals. Fourteen OFDM symbols for the gi ven SCS. ... DL scheduling assignments, DCI format 0_0 supports a basic .
5G
CORESET stands for COntrol REsourceSET. As the name implies, CORESET is a physical resources that is designed to transmit PDCCH/DCI. It corresponds to control region in LTE subframe, but the difference is that frequency domain resource allocation in 5G Coreset is configurable whereas in LTE the contron region always takes up the full channel bandwidth.
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COMMENTS
Frequency domain resource assignment. The number of bits(bit length) for this field is determined by following formula . The meaning of varies depending on the search space where DCI_0_0 is transmitted.. When stransmitted in common search space,
The network informs the UE about the frequency resources to be used for the reception of PDSCH using DCI Formats 1_0, 1_1 or 1_2. Within these DCI Formats, the field 'Frequency domain resource assignment' carries the required resource allocation information. Refer to 5.1.2.2 from 38.214 for more information.
The resources in the frequency domain for PDSCH transmission are scheduled by a DCI in the field Frequency domain resource assignment. This field indicates whether the resource allocation of resource blocks (RBs) is contiguous or noncontiguous, based on the allocation type. The RBs allocated are within the BWP.
If the scheduling DCI is configured to indicate the downlink resource allocation type as part of the Frequency domain resource assignment field by setting a higher layer parameter resourceAllocation in pdsch-Config to 'dynamicswitch', the UE shall use downlink resource allocation type 0 or type 1 as defined by this DCI field. Otherwise the UE ...
DCI Format 1 _ 0 field (SI-RNTI) Size Frequency domain resource assignment ⌈ l o g 2 (N R B D L, B W P (N R B D L, B W P + 1) / 2) ⌉ bits, where N R B D L, B W P is the size of CORESET 0 Time domain resource assignment 4 bits as defined in Clause 5.1.2.1 of TS 38.214 VRB-to-PRB mapping 1 bit according to TS 38.212 Table 7.3.1.2.2-5 ...
The resources in the frequency domain for PUSCH transmission are scheduled by a DCI in the field Frequency domain resource assignment. This field indicates whether the resource allocation of resource blocks (RBs) is contiguous or noncontiguous, based on the allocation type. The RBs allocated are within the BWP.
The candidate resources are semistatically configured in a table and dynamically selected by DCI. • Frequency-domain granularity is a PRB and time-domain granularity is a symbol. 5.1.3. ... Type 0: when Type 0 is configured, the Frequency-domain Resource Assignment (FDRA) field in DCI contains a bitmap for Type 0 resource allocation. ...
When UE decodes the DCI Format1_0 with CRC scrambled by C-RNTI and the "Frequency domain resource assignment" field are of all ones, the DCI format 1_0 is for random access procedure initiated by a PDCCH order. UE then decodes below DCI Format 1_0 Fields. Random Access Preamble index: This field contains 6 bits. It indicates which Random ...
- Note2: Through "Time domain resource assignment" field in the DCI, the network indicates the entry to choose from PDSCH time domain allocation table. The table is either the default PDSCH time domain allocation according to table 5.1.2.1.1 from 38.214 or configured by RRC using IE pdsch-TimeDomainAllocationList in either pdsch ...
Identifier for DCI formats. 1 . Frequency domain resource assignment. N. Variable with UL BWP N_RB. Indicate PRB location within the BWP. The number of bits and the value is determined as described here. Time domain resource assignment. X. Carries the row index of the items in pusch_allocationList in RRC. Frequency Hopping Flag. 1 . Modulation ...
else: expand the frequency domain resource assignment field by inserting bit(s) of zero after the N UL,hop bits, where N UL,hop is provided in Table 8.3-1. The trancated or expanded frequency resource assignment field is then interpreted as the frequency resource assignment field in DCI format 0_0.
Frequency domain resource assignment field. Redundancy version field. HARQ process number field. ... The new DCI formats also differ from DCI format 0_1/1_1 in the sense that the new DCI formats do not support two transport blocks for DL or code block group-based transmission. The limitation was introduced because the new formats were designed ...
If configured, the values provided herein override the values received in corresponding PDSCH-ConfigCommon. This information elements has an array structure as sown below. For each PDSCH scheduling, Time domain resource assignment of DCI 1_0 or DCI 1_1 specify a specific row number (row index) of the following table as stated in 38.214 - 5.1.2.1.
When PDCCH order is triggered with C-RNTI the network sets the Field "Frequency-domain resource assignment" in DCI with all ones. When UE decodes the DCI Format 1_0 with CRC scrambled by C-RNTI and the " Frequency domain resource assignment " field are of all ones, the DCI format 1_0 is for random access procedure initiated by a PDCCH ...
Identifier of DCI formats 1 Frequency domain resource assignment ⌈ log2(NRBDL,BWP(NRBDL,BWP + 1)/2)⌉ NRB DL,BWP is the size of the active DL bandwidth part in case DCI format 1_0 is monitored in the UE specific search space if DCH sizes <= 4 and DCI size with C-RNTI <= 3. Otherwise NRB DL,BWP is the size of CORESET 0 Time domain resource ...
DCI format 1_0 addressed to C-RNTI with all fields of "Frequency domain resource assignment" set to ones indicate that the received DCI is for RA procedure initiated by a PDCCH order. This DCI contains the following; - RA Preamble Index - 6 bits- UL/SUL indicator - 1 bit. If the ...
As mentioned above, frequency domain resource allocation is very similar to LTE. Mainly determined by bitmap or RIV depending of Resource Allocation Type. This part will be described in a separate page titled Resource Allocation Type. PDSCH - Time Domain Allocation (DCI - PDSCH Timing) : K0. Following is the illustration showing the Time Domain ...
DCI Main Contents Frequency domain Resource Assignment Time domain Resource Assignment Modulation and Coding Scheme Set of Resource Blocks for PDSCH or PUSCH 1- Starting Symbol 2- Number of allocated Symbols 3- Slot Offset HARQ Define which MCS Table to be used Example: 64QAM / 256QAM
Identifier for DCI formats: 1: Set to 1, indicating Downlink DCI format: Carrier indicator: 0,3: 38.213: Bandwidth part indicator: 0/1/2: BandwidthPart-Config: Frequency domain resource assignment: 7-16: FDRA = f(N DL,BWP RB) N DL,BWP RB: 11 RBs → 7 bits N DL,BWP RB: 275 RBs → 16 bits: Time domain resource assignment: 4
as a unit in frequency-domain resource allocation for . channels/signals. Fourteen OFDM symbols for the gi ven SCS. ... DL scheduling assignments, DCI format 0_0 supports a basic .
CORESET stands for COntrol REsourceSET. As the name implies, CORESET is a physical resources that is designed to transmit PDCCH/DCI. It corresponds to control region in LTE subframe, but the difference is that frequency domain resource allocation in 5G Coreset is configurable whereas in LTE the contron region always takes up the full channel bandwidth.