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Summary of Agreements by Topic

LP-WUS and LP-SS Design

1. OOK and Overlaid OFDM Sequences:
• Support both OOK-1 and OOK-4 for LP-WUS.
• Overlaid OFDM sequences are supported for LP-WUS and LP-SS, with ZC sequences as a starting point.
• Maximum number of candidate overlaid sequences per OOK ON chip:
• M=1: 16 candidates.
• M=2: 8 candidates.
• M=4: 4 candidates.
• Overlaid OFDM sequence length is determined by the number of RBs of LP-WUS/LP-SS bandwidth (excluding blanked guard RBs).
2. Binary LP-SS Sequences:
• Sequence lengths supported:
• M=1: {6, 8}.
• M=2: {12, 16}.
• M=4: {16, 32}.
• For M=4, balanced sequences (Set 1) are preferred.
3. Information Bits and Coding:
• Support up to 5 information bits and 32 codepoints for LP-WUS.
• Coding schemes:
• 1 information bit: Repetition as per TS 38.212.
• 2 information bits: Coding as per TS 38.212.
• >2 information bits: Rate matching after RM coding.
4. LP-SS Periodicity:
• Default periodicity: 320ms.
• Additional support for 160ms periodicity.
5. Sync Signal:
• No additional sync signal for LP-SS; periodicity remains 320ms.

LP-WUS Operation in IDLE/INACTIVE Modes

1. LO to PO Mapping:
• Maximum number of POs per LO: 4.
• LO to PO mapping supports multiple POs monitoring the same LO.
2. Wake-Up Delay:
• UE capability reports wake-up delay values: {70ms, 500ms, 900ms}.
• Wake-up delay assumes SSB periodicity of 20ms.
3. MO Configuration:
• LP-WUS MOs can span across multiple slots.
• Nominal MO duration and actual LP-WUS duration are configurable.
4. RRM Metrics:
• Existing SS-RSRP and SS-RSRQ metrics are reused for OFDM-based LP-WUR.
• SMTC window is not applicable for LP-SSS-RSRP/RSSI measurement.
5. Subgroup and Codepoint Support:
• Maximum subgroups per PO: 31.
• Codepoints supported:
• One codepoint per subgroup.
• One common codepoint per PO for all subgroups.

LP-WUS Operation in CONNECTED Modes

1. Configuration and Monitoring:
• LP-WUS can be configured only on PCell for CA without dual DRX groups.
• LP-WUS can be configured on PCell/PSCell per cell group for NR-DC.
2. Interaction with Legacy Features:
• LP-WUS can be configured with legacy PDCCH skipping and Rel-17 SSSG switching.
• During Cell DTX inactive time, UE does not monitor LP-WUS.
3. TCI State for LP-WUS:
• For Rel-17 unified TCI framework:
• LP-WUS follows activated/indicated TCI state by MAC-CE/DCI.
• For non-unified TCI framework:
• RRC provides CORESET ID or configures K TCI states for LP-WUS.
4. Minimum Time Gap:
• UE capability reports minimum time gap values: {3ms, 10ms, 33ms}.
• Time gap ensures SSB(s) before PDCCH reception.
5. QCL Source:
• SSB and/or CSI-RS can be the QCL source of LP-WUS.
• QCL types: Type A, Type C, and Type D.

General Agreements

1. Frequency Resource:
• LP-WUS/LP-SS frequency resource can be outside the initial DL BWP but within the same carrier.
2. UE Capability:
• UE supports both smaller and larger sequence lengths for LP-SS binary sequences.
• No additional restriction on the number of subgroups/codepoints supported by LP-WUS.
3. Specification Design:
• LP-WUS supports non-consecutive OFDM symbols across multiple slots.
• Maximum length for LP-WUS transmission is larger than one slot.

This summary provides a comprehensive overview of the agreements across various topics related to LP-WUS and LP-SS design and operation.