Aerial SDK Layer 1
Aerial SDK adhere(s) to 3GPP Release 15 standard specifications to deliver the necessary Layer 1 capabilities for a gNB.
New features supported for 4T4R
HARQ UCI.indication latency improvement (single cell)
3GPP Conformance test Ch.8
Remove the limitation that the PDSCH PDUs must be in PRB ascending order when the TRS multiplexing
Up to 4 BWP support
Carrier aggregation
List Polar decoder
New features supported for 32T32R
32T32R SRS + Dynamic Beamforming Weights (single cell)
3GPP Release 15
AERIAL SDK adheres to 3GPP Release 15 standard specifications to deliver the following capabilities for gNB Layer 1:
Overall SDK PHY capabilities include
Error detection on the transport channel and indication to higher layers
FEC encoding/decoding of the transport channel
Hybrid ARQ soft-combining
Rate matching of the coded transport channel to physical channels
Mapping of the coded transport channel onto physical channels
Power weighting of physical channels
Modulation and demodulation of physical channels including
Frequency and time synchronization
Radio characteristics measurements and indication to higher layers
Multiple Input Multiple Output (MIMO) antenna processing
Transmit Diversity (TX diversity)
Digital and Analog Beamforming
RF processing
Aerial SDK PHY Overall Capabilities
Features |
Configuration |
Supported |
|---|---|---|
| Standard support | 3GPP 5G NR Rel 15 | P |
| Duplexing Mode | TDD | Y |
| Nawrrow Bandwidth (MHz) | 30MHz, 40 MHz, 50MHz, 80 MHz | P |
| Channel Bandwidth (MHz) | 100 MHz | Y |
| Subcarrier Spacing (kHz) | 30khz | Y |
| Maximum Number of Subcarriers (Max number of RBs x Num of Subcarriers per RB) = 273 x 12 | 3276 | Y |
| Downlink Waveform | CP-OFDM | Y |
| Uplink Waveform | CP-OFDM | Y |
| DFT-s-OFDM (for data and control) | Y | |
| Configurable to DFT-s-OFDM (for data & Control) | Y | |
| Number of Downlink SU-MIMO layers | Up to 4 | Y |
| Up to 8 (32T32R) | Y | |
| Number of Uplink SU-MIMO layers | 1, 2 | Y |
| Upto 4 (32T32R) | N | |
| Number of Tx physical antennas | 1 | N |
| 2 | Y | |
| 4 | Y | |
| 8 | N | |
| 32 | Y | |
| Number of Rx physical antennas | 1 | N |
| 2 | Y | |
| 4 | Y | |
| 8 | N | |
| 32 | Y | |
| Slot format | DDDSUUDDDD S = 6:4:4 (DL: G: UL) | Y |
| Carrier Aggregation | Configurable component carriers | Y |
| Configurable BW Parts | Up to 4 2 & 4 Mandatory | Y |
| BBU-RRU split option | 7.1 | Y |
| 7.2 | Y | |
| 8 | N | |
| Maximum Downlink throughput per user (Mbps) 4T4R configuration | 1870 | Y |
| Maximum Uplink throughput per user (Mbps) 4T4R configuration | 467 | Y |
| Maximum Downlink throughput per user (Gbps) 32T32R | DL : 2.76 Gbps | N |
| Maximum Uplink throughput per user (Mbps) 32T32R | UL : 454 Mbps | N |
Aerial SDK PHY Numerologies
| Feature | Configuration | Supported |
| Numerologies：Normal CP | μ=0：SCS=15kHz, 14symbol/slot, 10slot/frame, 1slot/subframe, Normal CP | N |
| μ=1：SCS=30kHz, 14symbol/slot, 20slot/frame, 2slot/subframe, Normal CP | Y | |
| μ=2：SCS=60kHz, 14symbol/slot, 40slot/frame, 4slot/subframe, Normal CP | N | |
| μ=3：SCS=120kHz, 14symbol/slot, 80slot/frame, 8slot/subframe, Normal CP | N | |
| μ=4：SCS=240kHz, 14symbol/slot, 160slot/frame, 16slot/subframe, Normal CP | N | |
| Numerologies：Extended CP | μ=2：SCS=60kHz, 12symbol/slot, 40slot/frame, 4slot/subframe, Extended CP | N |
Aerial SDK Overall PHY PhysicalResources
| Feature | Supported |
| Antenna Ports | Y |
| Resource Grid | Y |
| Resource Elements | Y |
| Resource Block | Y |
| Resource Block - Common Resource Block(CRB) | Y |
| Resource Block - Physical Resource Block(PRB) | Y |
| Resource Block - Virtual Resource Block (VRB) | Y |
| Bandwidth Part (BWP) Dynamically adapt the carrier bandwidth and numerology in which a UE operates A bandwidth part is a subset of contiguous common resource blocks for a given numerology μi in bandwidth part i on a given carrier. A UE can be configured with up to four bandwidth parts in UL and DL | Y |
Aerial SDK PHY Physical Resources – BWP
| Feature | Supported |
| Bandwidth Part (BWP) Dynamically adapt the carrier bandwidth and numerology in which a UE operates A bandwidth part is a subset of contiguous common resource blocks for a given numerology μi in bandwidth part i on a given carrier. A UE can be configured with up to four bandwidth parts in both UL and DL | Y |
| Default Aerial SDK startup configuration to not use BWP, can be enabled to support BWP on a per carrier basis (while cell OOS) | N |
| Default Aerial SDK startup configuration to not use BWP, can be enabled to support BWP on a per carrier basis at startup | N |
Aerial SDK Overall Carrier Aggregation
| Feature | Description | Supported (emulated) |
| Carrier Aggregation | Transmissions in multiple cells can be aggregated to support inter-band and intra-band configurations | Y |
| 100MHz | Up to 2 cells aggregation(1CC,2CC) | Y |
| Up to 4 cells aggregation(1CC,2CC,3CC, 4CC) | Y | |
| Narrowband Carrier Aggregation (ZMhz) | Configurable upto 4 component carriers | Y |
Aerial SDK PHY Modulation Mapper
| Modulation Scheme | Supported |
| Pi/2 BPSK | Y |
| BPSK | Y |
| QPSK | Y |
| 16QAM | Y |
| 64QAM | Y |
| 256QAM | Y |
Aerial SDK PHY Sequence Generation
| Feature | Description | Supported |
| Sequence Generation | Pseudo-random sequence generation Generic pseudo-random sequences are defined by a length-31 Gold sequence | Y |
| Low-PAPR sequence generation type 1 | Y | |
| Low-PAPR sequence generation type 2 | Y |
OFDM baseband signal generation (UL DFT-S-OFDM)
| Feature | Configuration | Supported |
| Signal generation for all channels except PRACH & RIM-RS | RU support expected | |
| PRACH | RU support expected | |
| RIM-RS | RU support expected | |
| Uplink waveform Support concurrent UE configuration to use CP-OFDM or DFT-S-OFDM on same cell. | DFT-S-OFDM for UL.
Some specific parameters:
|
Y |
Aerial SDK Physical Overall Channels and Reference Signals
| Category | L1 requirement | Supported |
| Downlink Channels (TX ) | PDSCH processing | Y |
| PDCCH processing | Y | |
| PBCH processing | Y | |
| Downlink signals (TX ) | DMRS for PDSCH | Y |
| DMRS for PDCCH | Y | |
| DMRS for PBCH | Y | |
| PSS, SSS | Y | |
| CSI-RS, TRS | Y | |
| PT-RS | N | |
| Downlink Physical Resources | Antenna ports starting with 1000 for PDSCH | Y |
| Antenna ports starting with 2000 for PDCCH | Y | |
| Antenna ports starting with 3000 for channel-state information reference signals | Y | |
| Antenna ports starting with 4000 for SS/PBCH block transmission | Y | |
| Uplink Channels (RX ) | PUSCH processing | Y |
| PUCCH processing | Y | |
| PRACH processing | Y | |
| Uplink signals (RX) | DMRS for PUSCH | Y |
| DMRS for PUCCH | Y | |
| SRS | N | |
| PT-RS | N | |
| Uplink physical Resources | Antenna ports starting with 0 for PUSCH and associated demodulation reference signals | Y |
| Antenna ports starting with 1000 for SRS | P | |
| Antenna ports starting with 2000 for PUCCH | Y | |
| Antenna port 4000 for PRACH | Y |
Features |
Configuration |
Supported |
|---|---|---|
| Number of codewords | 1 | Y |
| Scrambling | Y | |
| Modulation schemes | Pi/2-BPSK | Y |
| QPSK | Y | |
| 16 QAM | Y | |
| 64 QAM | Y | |
| 256 QAM | Y | |
| PUSCH transform precoding mode | Disable | Y |
| Enable | Y | |
| Precoding | Implemented in UE for UL | Y |
| HARQ process | Number of HARQ process = 1 | Y |
| HARQ process | Maximum number of HARQ process is 16 | N |
| Mapping to virtual resource blocks | Y | |
| VRB to PRB mapping Type | Non-interleaved | Y |
| Interleaved | N | |
| Transmission Mode | SU-MIMO up to 4 layers | Y |
| MU-MIMO 2 up to 4 layers | P | |
| MU-MIMO up to 8 layers | P | |
| PUSCH DMRS CDM group without data | PUSCH DMRS CDM group without data 1 | Y |
| PUSCH DMRS CDM group without data 2 | Y | |
| PUSCH users per TTI | 16 | Y |
| Uplink algorithm | UL HARQ control | Y |
| UL Channel Estimation LS | Y | |
| MRC, MMSE for equalizer | Y | |
| IRC, MMSE for equalizer | Y (4T4R) | |
| Frequency Offset Correction | Y (4T4R) | |
| Rate Matching | I_LBRM = 1 (Limited Buffer Rate Matching) | Y |
| I_LBRM = 0 (Limited Buffer Rate Matching) | Y |
Aerial SDK Overall Channel - PUCCH (Physical Uplink Control Channel)
Format |
Configuration |
Supported |
|---|---|---|
| Format | 0 | Y |
| 1 | Y | |
| 2 | Y | |
| 3 | Y | |
| 4 | N | |
| UCI sched coding, AFC, DFT (Format 1) | N | |
| Modulation schemes | Pi/2-BPSK, BPSK, QPSK | Y |
| Scheduling Request SR | Support needed | Y |
| Group hopping | neither | Y |
| disable | Y | |
| enable | Y | |
| Sequence cyclic shift | Zadoff-Chu sequence | Y |
| Intra-slot Frequency hopping/second hop PRB | Support | Y |
| Inter-slot Frequency hopping/second hop PRB | Support | Y |
| PUCCH over multiple slots | Number of slots - 2,4,8 | N |
| Frequency Offset Correction | PUCCH format 1, 3 | N |
| Multi-UE support | 24 UEs / TTI | Y |
| PUCCH UCI HARQ-ACK Polar | codeblock CB size < 359, liftsize = 8 | Y |
1-Capabilities-TSx211-6-3-3] Aerial SDK Overall Channel - PRACH(PHY Random Access Channel)
Feature |
Configuration |
Supported |
|---|---|---|
| Format | A1 | N |
| A2 | N | |
| A3 | N | |
| B1 | N | |
| B2 | N | |
| B3 | N | |
| B4 | Y | |
| C0 | N | |
| C2 | N | |
| 0 | N | |
| 1 | N | |
| 2 | N | |
| 3 | N | |
| Subcarrier Spacing (kHz) | 1.25 | N |
| 5 | N | |
| 15 | N | |
| 30 | Y | |
| Sequence cyclic shift | Zadoff-Chu sequence | Y |
| Preamble length | 839 | N |
| 139 | Y | |
| Number of PRACH occasions per TTI | 4 FDM | Y |
| Contention based Random Access | Configurable non-contention based Random Access | N |
Aerial SDK Overall PHY - UL Reference Signals
Configuration |
Supported |
|
|---|---|---|
| PUSCH | ||
| PUSCH DMRS sequence generation when transform precoding is disabled | Y | |
| PUSCH DMRS sequence generation when transform precoding is enabled | Neither group, nor sequence hopping is enabled | Y |
| Group hopping is enabled and sequence hopping is disabled | Y | |
| Sequence hopping is enabled and group hopping is disabled | Y | |
| Demodulation reference signal for PUSCH Mapping to physical resources | DM-RS configuration type 1 | Y |
| DM-RS configuration type 2 | N | |
| UL-DMRS-max-len=1 | Y | |
| UL-DMRS-max-len=2 | Y | |
| UL-DMRS-add-pos=0 | Y | |
| UL-DMRS-add-pos=1 | Y | |
| UL-DMRS-add-pos=2 | Y | |
| UL-DMRS-add-pos=3 | Y | |
| Phase-tracking reference signals for PUSCH Sequence generation | transform precoding is not enabled | N |
| transform precoding is enabled | N | |
| Phase-tracking reference signals for PUSCH Mapping to physical resources | transform precoding is disabled | N |
| transform precoding is enabled | N | |
| PUCCH | ||
| Demodulation reference signal for PUCCH format 1 | no intra-slot frequency hopping | Y |
| intra-slot frequency hopping enabled | Y | |
| Demodulation reference signal for PUCCH format 2 | Y | |
| Demodulation reference signal for PUCCH format 3 Format 4 not supported | No additional DM-RS, No hopping | Y |
| No Additional DM-RS, hopping | Y | |
| Additional DM-RS, No hopping | Y | |
| Additional DM-RS, hopping | Y | |
| SRS | ||
| Sounding reference signal resource | Antenna ports=1, 1OFDM symbols | P |
| Antenna ports=1, 2OFDM symbols | P | |
| Antenna ports=1, 4OFDM symbols | P | |
| Antenna ports=2, 1OFDM symbpls | P | |
| Antenna ports=2, 2OFDM symbols | P | |
| Antenna ports=2, 4OFDM symbols | P | |
| Antenna ports=4, 1OFDM symbpls | P | |
| Antenna ports=4, 2OFDM symbols | P | |
| Antenna ports=4, 4OFDM symbols | P | |
| Sounding reference signal Sequence generation | KTC=2 | P |
| KTC=4 | P | |
| KTC=8 | P | |
| Sounding reference signal Mapping to physical resources | CSRS=0~63 | P |
| Sounding reference signal slot configuration | Indicated by higher layer parameter SRS-Config | P |
| PTRS | ||
| PTRS Support | Support | N |
Aerial SDK Overall Channel - PDSCH(PHY DL Shared Channel)
Feature |
Configuration |
Supported |
|---|---|---|
| Scrambling | Y | |
| Modulation schemes | QPSK | Y |
| 16 QAM | Y | |
| 64 QAM | Y | |
| 256 QAM | Y | |
| Transmission Mode | 4T4R SU-MIMO up to 4 layers | Y |
| 32T32R SU-MIMO up to 4 layers | P | |
| 4T4R MU-MIMO upto 4 layers, 4 users | N | |
| 32T32R MU-MIMO up to 8 layers, 8 users | P | |
| Number of codewords | 1 | Y |
| 2 | N | |
| Number of antenna ports | 1000 - 1011 | Y |
| Number of physical antennas | 4 | Y |
| 32 | P | |
| Beam Forming weights computation | BF m2 | N |
| Precoding | non-codebook | Y |
| pre-coding weight | N | |
| Type I Single-Panel Codebook | N | |
| Type I Multi-Panel Codebook | N | |
| Type II Codebook | N | |
| Type II Port Selection Codebook | N | |
| PDSCH mapping type | Type A | Y |
| Type B | Y | |
| Resource allocation type | Type 0 | Y |
| Type 1 | Y | |
| VRB to PRB mapping Type | Non-interleaved | Y |
| Interleaved | N | |
| PDSCH DMRS CDM groups without data | 1 | Y |
| 2 | Y | |
| 3 | N/A | |
| Number PDSCH users per TTI | 16 | Y |
| Power Control | PDSCH | Y |
| DMRS - PDSCH | Y |
Aerial SDK Overall Channel - PDCCH (Physical DL Control Channel)
Feature |
Configuration |
Supported |
|---|---|---|
| Scrambling | Up to 2 codewords | N |
| CORESET | Normal | Y |
| RMSI CORESET | Y | |
| SSB - RMSI CORESET multiplexing pattern | Pattern 1 | Y |
| Aggregation Level | 1 | Y |
| 2 | Y | |
| 4 | Y | |
| 8 | Y | |
| 16 | Y | |
| Modulation schemes | QPSK | Y |
| Layer mapping | Supported | Y |
| Antenna port mapping | Supported | Y |
| Mapping to virtual resource blocks | Supported | Y |
| Mapping from virtual to physical resource blocks | non-interleaved VRB-to-PRB mapping | Y |
| Polar code | Block length up to 128 bits | Y |
| DMRS (Demodulation Reference Signal) | m-sequence | Y |
| CCE To REG Mapping Type | Non-interleaved | Y |
| Interleaved | Y | |
| Number OFDM symbol of CORESET | 1 | Y |
| 2 | Y | |
| 3 | Y | |
| Power Control | PDCCH | Y |
| DMRS-PDCCH | Y | |
| DCI format | 0_0 | NA |
| 0_1 | NA | |
| 1_0 | NA | |
| 1_1 | NA | |
| 2_x | NA | |
| Precoding | Precoding Matrix Idx based precoding in the DU | Y |
Aerial SDK Overall Channel - PBCH (Physical Broadcast Channel)
Configuration |
cuBB Tested |
|
|---|---|---|
| Precoding | Y | |
| Scrambling | SS/PBCH block index Lmax=4 | N |
| SS/PBCH block index Lmax=8 | N | |
| SS/PBCH block index Lmax=64 | N | |
| Modulation schemes | QPSK | Y |
| Mapping to Physical Resources | Y | |
| DMRS Support | Support | Y |
| DMRS config type | Type 1 | Y |
| Type 2 | N | |
| DMRS type A Pos | Pos2 | Y |
| Pos3 | Y | |
| DMRS max length | 1 | Y |
| 2 | Y | |
| DMRS Additional Position | Pos0 | Y |
| Pos1 | Y | |
| Pos2 | Y | |
| Pos3 | Y |
Aerial SDK Overall - PHY DL Reference Signals
Feature |
Configuration |
Supported |
|---|---|---|
| PDSCH | ||
| Demodulation reference signals for PDSCH Sequence generation | Y | |
| Demodulation reference signals for PDSCH Mapping to physical resources | DM-RS configuration type 1 | Y |
| DM-RS configuration type 2 | N | |
| DL-DMRS-max-len=1 | Y | |
| DL-DMRS-max-len=2 | Y | |
| DL-DMRS-add-pos=0 | Y | |
| DL-DMRS-add-pos=1 | Y | |
| DL-DMRS-add-pos=2 | Y | |
| DL-DMRS-add-pos=3 | Y | |
| Phase-tracking reference signals (PTRS) for PDSCH Mapping to physical resources | LPT-RS=1 | N |
| LPT-RS=2 | N | |
| LPT-RS=4 | N | |
| PDCCH | ||
| Demodulation reference signals for PDCCH Sequence generation | Y | |
| Demodulation reference signals for PDCCH Mapping to physical resources | Y | |
| PBCH | ||
| Demodulation reference signals for PBCH Sequence generation | Y | |
| Demodulation reference signals for PBCH Mapping to physical resources | Y | |
| CSI reference signals | ||
| CSI reference signals | Zero-power | Y |
| non-zero-power | Y | |
| CSI reference signals Sequence generation | nID equals the higher-layer parameter ScramblingID | Y |
| CSI reference signals Mapping to physical resources | Row 1: 1 port, Density = 3, CDMtype = No CDM | Y |
| Row 2: 1 port, Density = 1, 0.5, CDMtype = No CDM | Y | |
| Row 3: 2 port, Density = 1, 0.5, CDMtype = FD-CDM2 | Y | |
| Row 4: 4 port, Density = 1, CDMtype = FD-CDM2 | Y | |
| Row 5: 4 port, Density = 1, CDMtype = FD-CDM2 | Y | |
| Row 6: 8 port, Density = 1, CDMtype = FD-CDM2 | Y | |
| Row 7: 8 port, Density = 1, CDMtype = FD-CDM2 | Y | |
| Row 8: 8 port, Density = 1, CDMtype = CDM4 (FD2, TD2) | Y | |
| Row 9: 12 port, Density = 1, CDMtype = FD-CDM2 | N | |
| Row 10: 12 port, Density = 1, CDMtype = CDM4 (FD2, TD2) | N | |
| Row 11: 16 port, Density = 1, 0.5, CDMtype = FD-CDM2 | N | |
| Row 12: 16 port, Density = 1, 0.5, CDMtype = CDM4 (FD2, TD2) | N | |
| Row 13: 24 port, Density = 1, 0.5, CDMtype = FD-CDM2 | N | |
| Row 14: 24 port, Density = 1, 0.5, CDMtype = CDM4(FD2, TD2) | N | |
| Row 15: 24 port, Density = 1, 0.5, CDMtype = CDM8(FD2, TD4) | N | |
| Row 16: 32 port, Density = 1, 0.5, CDMtype = FD-CDM2 | N | |
| Row 17: 32 port, Density = 1, 0.5, CDMtype = CDM4(FD2, TD2) | N | |
| Row 18: 32 port, Density = 1, 0.5, CDMtype = CDM8(FD2, TD4) | N | |
| RIM | ||
| RIM reference signal General | The first RIM-RS type can be used to convey information | N |
| The second RIM-RS type depends on configuration only | N | |
| RIM reference signal Sequence generation | N | |
| RIM reference signal Mapping to physical resources | N | |
| RIM reference signal RIM-RS configuration | Enough Indication is disabled | N |
| Enough Indication is enabled | N | |
| Positioning Reference | ||
| Positioning reference signal Sequence generation | N | |
| Positioning reference signal Mapping to physical resources | LPRS = 2, Kcomb = 2 | N |
| LPRS = 4, Kcomb = 2 | N | |
| LPRS = 6, Kcomb = 2 | N | |
| LPRS = 12, Kcomb = 2 | N | |
| LPRS = 4, Kcomb = 4 | N | |
| LPRS = 12, Kcomb = 4 | N | |
| LPRS = 6, Kcomb = 6 | N | |
| LPRS = 12, Kcomb = 6 | N | |
| LPRS = 12, Kcomb = 12 | N | |
| Synchronization signals | ||
| SSB numerology | 30 kHz | Y |
| SSB precoding | supported | Y |
| SSB burst set configuration | 2 SS blocks w/ single SSB burst set | Y |
| Synchronization signal generation | PSS generation and mapping to physical resources | Y |
| SSS generation and mapping to physical resources | Y | |
| SS/PBCH block | Mapping of PSS within an SS/PBCH block | Y |
| Mapping of SSS within an SS/PBCH block | Y | |
| Mapping of PBCH and DM-RS within an SS/PBCH block | Y | |
| Time-frequency structure and time location of an SS/PBCH block | Y | |
Aerial SDK Overall Multiplexing & Channel Coding
| Feature | Configuration | Supported |
| General Procedures | CRC calculation All CRC len supported (6, 11, 16, 24) | Y |
Code block segmentation and code block CRC attachment
|
Y | |
| Transport to physical channel mapping - UL | UL-SCH -> PUSCH | Y |
| RACH -> PRACH | Y | |
| UCI -> PUCCH,PUSCH | Y | |
| Transport to physical channel mapping - DL | DL-SCH -> PDSCH | Y |
| BCH -> PBCH | Y | |
| PCH -> PDSCH | Y | |
| DCI -> PDCCH | Y | |
| Channel coding schemes | Polar coding | Y |
| Low density parity check coding (LDPC) | Y | |
| Channel coding of small block lengths | Y | |
| Rate matching | Rate matching for Polar code | Y |
| Rate matching for LDPC code | Y | |
| Rate matching for channel coding of small block lengths | Y | |
| Code block concatenation | sequentially concatenating the rate matching outputs for the different code blocks
|
Y |
| uplink transport channels and control information | Random access channel | Y |
Uplink shared channel
|
Y | |
Uplink control information
|
Y | |
| downlink transport channels and control information | Broadcast channel | Y |
| Downlink shared channel and paging channel | Y | |
Downlink control information
|
Y | |
| UCI multiplexing on PUCCH | support muxing mode as per 38.212 - 6.3.1.1 | Y |
Aerial SDK Overall - PHY Control Procedures
UE procedures (Not applicable to base station)
| Category | L1 requirement | Supported |
| Synchronization procedures | Cell search | NA |
| Transmission timing adjustments | NA | |
| Timing for secondary cell activation / deactivation | NA | |
| Radio link monitoring | SSB based | NA |
| CSI-RS based | NA | |
| Link recovery procedures | radio link failure | NA |
| beam failure recovery | NA | |
| Uplink power control | Physical uplink shared channel | NA |
| Physical uplink control channel | NA | |
| Sounding reference signal | NA | |
| Physical random access channel | NA | |
| Power ramping counter suspention | NA | |
| Dual connectivity | NA | |
| Power headroom report | NA |
PHY RACH
| Category | L1 requirement | Supported |
| Type-1 random access procedure | Y | |
| Type-2 random access procedure | N |
UE procedures (Not applicable to base station)
| Category | L1 requirement | Supported |
| HARQ-ACK codebook determination | CBG-based HARQ-ACK codebook determination | NA |
| Type-1 HARQ-ACK codebook determination in physical uplink control channel | NA | |
| Type-1 HARQ-ACK codebook determination in physical uplink shared channel | NA | |
| Type-2 HARQ-ACK codebook determination in physical uplink control channel | NA | |
| Type-2 HARQ-ACK codebook determination in physical uplink shared channel | NA | |
| Type-3 HARQ-ACK codebook determination | NA |
UCI reporting on PUSCH
| Category | L1 requirement | Supported |
| Short block codes for UCI | Input: 1 - 11 bits output 32 bits | Y |
| Multiplexing of coded UCI bits to PUSCH | CSI part 1, support maximum 48 bit | Y |
| CSI part 1 and CSI part 2, support maximum 48 bit | Y | |
| Decoding UCI on PUSCH with PUSCH data (UCI-ON-PUSCH scaling) 0.5/0.65/0.8/1 | N | |
| Decoding UCI on PUSCH without PUSCH data (UCI-ON-PUSCH scaling) 0.5/0.65/0.8/1 | N | |
| HARQ information length maximum 128 | Y | |
| Semi-static offset | N | |
| Dynamic offset | N |
UCI Reporting on PUCCH
| Category | L1 requirement | Supported |
| UCI reporting on PUCCH | PUCCH Resource Sets before RRC connection establishment | N |
| PUCCH Resource Sets for RRC connected UE | N | |
| UE procedure for reporting multiple UCI types | N | |
| PUCCH repetition procedure | N |
UE procedures (Not applicable to base station)
| Category | L1 requirement | Supported |
| UE procedure for determining physical downlink control channel assignment | Type0-PDCCH common search space | NA |
| Type0A-PDCCH common search space | NA | |
| Type1-PDCCH common search space | NA | |
| Type2-PDCCH common search space | NA | |
| Type3-PDCCH common search space | NA | |
| UE-specific search space | NA |
UE procedure for receiving control information
| Category | L1 requirement | Supported |
| PDCCH validation for DL SPS and UL grant Type 2 | NA | |
| PDCCH validation for DL SPS and UL grant Type 2 | NA | |
| PDCCH monitoring indication and dormancy/non-dormancy behaviour for SCells | NA | |
| Search space set group switching | NA | |
| HARQ-ACK information for PUSCH transmissions | NA |
UE-group common signaling
| Category | L1 requirement | Supported |
| UE-group common signalling | Slot configuration | N |
| UE procedure for determining slot format | N | |
| Interrupted transmission indication | N | |
| Cancellation indication | N | |
| Group TPC commands for PUCCH/PUSCH | N | |
| SRS switching | N |
Bandwidth part operation
| Category | L1 requirement | Supported |
| BWP | Configurable upto 4 | Y |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {15, 15} kHz for frequency bands with minimum channel bandwidth 5 MHz or 10 MHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {15, 15} kHz for frequency bands operated with shared spectrum channel access | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {15, 30} kHz for frequency bands with minimum channel bandwidth 5 MHz or 10 MHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {30, 15} kHz for frequency bands with minimum channel bandwidth 5 MHz or 10 MHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {30, 30} kHz for frequency bands with minimum channel bandwidth 5 MHz or 10 MHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {30, 30} kHz for frequency bands operated with shared spectrum channel access | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {30, 15} kHz for frequency bands with minimum channel bandwidth 40MHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {30, 30} kHz for frequency bands with minimum channel bandwidth 40MHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {120, 60} kHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {120, 120} kHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {240, 60} kHz | N | |
| Set of resource blocks and slot symbols of CORESET for Type0-PDCCH search space set when {SS/PBCH block, PDCCH} SCS is {240, 120} kHz | N | |
| Parameters for PDCCH monitoring occasions for Type0-PDCCH CSS set - SS/PBCH block and CORESET Multiplexing pattern 1 and FR1 | N | |
| Parameters for PDCCH monitoring occasions for Type0-PDCCH CSS set - SS/PBCH block and CORESET Multiplexing pattern 1 and FR2 | N | |
| PDCCH monitoring occasions for Type0-PDCCH CSS set - SS/PBCH block and CORESET Multiplexing pattern 2 and {SS/PBCH block, PDCCH} SCS {120, 60} kHz | N | |
| PDCCH monitoring occasions for Type0-PDCCH CSS set - SS/PBCH block andCORESET Multiplexing pattern 2 and {SS/PBCH block, PDCCH} SCS {240, 120} kHz | N | |
| PDCCH monitoring occasions for Type0-PDCCH CSS set - SS/PBCH block and CORESET Multiplexing pattern 3 and {SS/PBCH block, PDCCH} SCS {120, 120} kHz | N | |
| Integrated access-backhaul operation | N | |
| Dual active protocol stack based handover | N |
Aerial SDK Overall PHY Data Procedures
| Category | L1 requirement | Supported |
| UL PUSCH Procedures | ||
| Transmission Scheme | Codebook-based | Y |
| Non-codebook-based | Y | |
| Resource allocation | Type 0 | Y |
| Type 1 | Y | |
| Modulation order, redundancy version and transport block size determination | Y | |
| Code block group based PUSCH transmission | N | |
| MCS Table | Table64QAM | Y |
| Table256QAM | Y | |
| Table64QAMLowSE | Y | |
| PUSCH mapping type | Type A | Y |
| Type B | Y | |
| CBG retranmission bitmap | Enable | N |
| Disable | Y |
Aerial SDK Overall 4T4R L1 - L2 layer interface based on SCF FAPI
| Feature | Configuration (10.02) | Supported (Emulated) |
| SCF control interface must support the following messages | ||
| Config.request | 4T4R | Y |
| Config.response | 4T4R | Y |
| Start.request | 4T4R | Y |
| Stop.request | 4T4R | Y |
| Stop.indication | 4T4R | Y |
| Error.indication | 4T4R | Y |
| Param.request (cap query) | 4T4R | Y |
| Param.response | 4T4R | Y |
| SCF data interface includes the following messages | ||
| DL_TTI.request | 4T4R | Y |
| UL_TTI.request | 4T4R | Y |
| UL_DCI.request | 4T4R | Y |
| SLOT errors | 4T4R | Y |
| TX_Data.request | 4T4R | Y |
| Rx_Data.indication | 4T4R | Y |
| CRC.indication | 4T4R | Y |
| UCI.indication | 4T4R | Y |
| SRS.indication | 4T4R | Y |
| RACH.indication | 4T4R | Y |
Aerial SDK Overall PHY FH Interface
| Feature | Description | Supported |
| IOT Profiles | Simultaneous support of TDD profile(s) and TDD pattern on single GPU
|
Y |
| O-RAN CUS plane features with fronthaul 7.2-x split: [10][11] | Simultanous O-RU category support on same GPU/DU
|
Y |
| Beamforming |
|
Y |
| IQ compression & bit-width | Simultaneous support for
|
Y |
| O-DU timing |
|
Y |
| Synchronization |
|
Y |
| Transport features |
|
Y |
| Section types |
|
Y |
| Digital power scaling |
|
Y |
| Rx window monitoring, | Counters like
|
Y |
| Scale | Support for upto 8 peak - 16 avg 100Mhz carriers | Y |
Aerial SDK Overall PHY Measurements 4T4R
Measurements |
Cfg Supported |
Supported cuBB Tested |
|---|---|---|
| PUSCH measurements | ||
| RSS | 4T4R | Y |
| RSRP | 4T4R | Y |
| Pn+I pre-eq (Noise+Interference power) | 4T4R | Y |
| Pn+I post-eq (Noise+Interference power) | 4T4R | Y |
| SINR pre-eq | 4T4R | Y |
| SINR post-eq | 4T4R | N |
| Timing Advance | 4T4R | Y |
| PUCCH measurements | ||
| PUCCH Format 0 | 4T4R | Y |
| PF0 RSS | 4T4R | Y |
| PF0 RSRP | 4T4R | Y |
| PF0 Pn+i | 4T4R | Y |
| PF0 timing advance | 4T4R | Y |
| PUCCH Format 1 | 4T4R | Y |
| PF1 RSS | 4T4R | Y |
| PF1 RSRP | 4T4R | Y |
| PF1 Pn+i | 4T4R | Y |
| PF1 timing advance | 4T4R | Y |
| PUCCH Format 2 | 4T4R | Y |
| PF2 RSS | 4T4R | Y |
| PF2 RSRP | 4T4R | Y |
| PF2 Pn+i | 4T4R | Y |
| PF2 timing advance | 4T4R | Y |
| PUCCH Format 3 | 4T4R | Y |
| PF3 RSS | 4T4R | Y |
| PF3 RSRP | 4T4R | Y |
| PF3 Pn+i | 4T4R | Y |
| PF3 timing advance | 4T4R | Y |
| PUCCH Format 4 | 4T4R | N |
| PF4 RSS | 4T4R | N |
| PF4 RSRP | 4T4R | N |
| PF4 Pn+i | 4T4R | N |
| PF4 timing advance | 4T4R | N |
| PRACH measurements | ||
| Pn+i (Noise+Interference power) | 4T4R | Y |
| Preamble signal strength | 4T4R | Y |
| SRS measurements | ||
| SNR | 4T4R | Y |
| Received signal strength | 4T4R | Y |
| Timing advance | 4T4R | Y |
| All channels measurements | ||
| Both pre-equalization and post-equalization across all channels should be configurable and supported | 4T4R | N |
Aerial SDK Overall PHY Performance Conformance
| feature | Configuration | Supported |
| PUSCH | ||
| PUSCH with transform precoding disabled | 4T4R | N |
| PUSCH with transform precoding enabled | 4T4R | N |
| UCI multiplexed on PUSCH | 4T4R | N |
| PUCCH | ||
| DTX to ACK probability | 4T4R | N |
| Performance requirements for PUCCH format 0 | 4T4R | N |
| Performance requirements for PUCCH format 1 | 4T4R | N |
| Performance requirements for PUCCH format 2 | 4T4R | N |
| Performance requirements for PUCCH format 3 | 4T4R | N |
| Performance requirements for PUCCH format 4 | 4T4R | N |
| Performance requirements for multi-slot PUCCH | 4T4R | N |
| PRACH | ||
| Performance requirements for PRACH | PRACH False alarm probability | N |
| PRACH detection requirements | N | |