公开(公告)号：US20200186226A1

公开(公告)日：2020-06-11

申请号：US16792781

申请日：2020-02-17

Applicant: Apple Inc.

Inventor： Yushu Zhang ,  Gang Xiong ,  Honglei Miao ,  Hong He ,  Guotong Wang ,  Alexei Vladimirovich Davydov ,  Seunghee Han ,  Avik Sengupta

IPC: H04B7/06 ,  H04L1/00 ,  H04W76/27 ,  H04B7/0456 ,  H04W52/16 ,  H04W52/26

Abstract: User equipment (UE) can include processing circuitry configured to decode radio resource control (RRC) signaling from a base station, the RRC signaling indicating a transmission coding scheme for a physical uplink shared channel (PUSCH) transmission. PUSCH-to-phase tracking reference signal (PT-RS) energy per resource element (EPRE) ratio is determined using the RRC signaling. A PT-RS power boosting factor is determined based on the transmission coding scheme and the PUSCH-to-PT-RS EPRE ratio. The PT-RS is encoded for transmission using a plurality of PT-RS symbols, the transmission to using increased transmission power corresponding to the PT-RS power boosting factor. The RRC signaling further includes a flag enabling the PT-RS transmission. The PUSCH-to-PT-RS EPRE ratio is 00 or 01, and the transmission coding scheme is a codebook-based uplink transmission or non-codebook-based uplink transmission.

公开(公告)号：US20250016783A1

公开(公告)日：2025-01-09

申请号：US18738146

申请日：2024-06-10

Applicant: Apple Inc.

Inventor： Avik Sengupta ,  Debdeep Chatterjee ,  Fatemeh Hamidi-Sepehr

IPC: H04W72/23 ,  H04L5/00

Abstract: Systems, devices, and techniques for antenna port configuration in wireless communication systems are described. A described technique performed by a user equipment (UE) includes receiving configuration information that determines a bit-width value for an antenna port indication field of a downlink control information (DCI) format; receiving a DCI message that is in accordance with the DCI format; and determining an antenna port configuration for one or more demodulation reference signals based on the DCI message, the configuration information, and the bit-width value.

公开(公告)号：US12192997B2

公开(公告)日：2025-01-07

申请号：US17441830

申请日：2020-05-01

Applicant: Apple Inc.

Inventor： Avik Sengupta ,  Bishwarup Mondal ,  Debdeep Chatterjee ,  Alexei Davydov

IPC: H04W72/1273 ,  H04L1/1812 ,  H04L5/00 ,  H04W72/0446 ,  H04W72/23 ,  H04W72/51

Abstract: Systems, devices, and techniques for adjusting a user equipment (UE) processing time parameter in a wireless communication system that include transmission and reception points (TRPs) are described. A described technique performed by UE includes receiving a first physical downlink shared channel (PDSCH) from a first TRP corresponding to a first scheduling physical downlink control channel (PDCCH) and a second PDSCH from a second TRP corresponding to a second scheduling PDCCH. The technique further includes transmitting a first hybrid automatic repeat request acknowledgement (HARQ-ACK) message and a second HARQ-ACK message based on the first PDSCH and the second PDSCH in accordance with a first processing time parameter and a second processing time parameter, respectively. The first processing time parameter can be based on a PDSCH mapping type, a processing capability of the UE, and one or more timing characteristics of the first PDSCH and the second PDSCH.

公开(公告)号：US12088516B2

公开(公告)日：2024-09-10

申请号：US17429126

申请日：2020-02-17

Applicant: Apple Inc.

Inventor： Bishwarup Mondal ,  Avik Sengupta ,  Debdeep Chatterjee ,  Alexei Davydov ,  Yushu Zhang

IPC: H04W4/00 ,  H04L5/00 ,  H04W72/044

CPC classification number: H04L5/0035 ,  H04L5/0039 ,  H04L5/0094 ,  H04W72/044

Abstract: An approach is described for an access node configured for ultra-reliable and low latency (URLLC) transmission using multi-transmission reception point (TRP) to a UE. The access node includes processor circuitry and radio front end circuitry. The processor circuitry is configured to allocate resource blocks into a first portion and a second portion based on a resource indication value (RIV), a length of contiguously allocated resource blocks (LRBS) and a fraction. The radio front end circuitry is configured to transmit the first portion to the UE via a first transmission reception point (TRP1), and transmit the second portion to the UE via a second transmission reception point (TRP2).

公开(公告)号：US20240121041A1

公开(公告)日：2024-04-11

申请号：US18212635

申请日：2023-06-21

Applicant: Apple Inc.

Inventor： Debdeep Chatterjee ,  Alexei Vladimirovich Davydov ,  Seung Hee Han ,  Jeongho Jeon ,  Sameer Pawar ,  Avik Sengupta ,  Guotong Wang ,  Yushu Zhang

IPC: H04L5/00 ,  H04L1/1812

CPC classification number: H04L5/0048 ,  H04L1/1812 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0094

Abstract: A user equipment (UE) can include processing circuitry configured to decode control information of a physical down-link control channel (PDCCH) received via a resource within a control resource set (CORESET) occupying a subset of a plurality of OFDM symbols within a slot. At least one of the symbols in the subset coincides with a pre-defined symbol location associated with a demodulation reference signal (DM-RS) of a PDSCII. The DM-RS can be detected within the slot, the DM-RS starting at a symbol location that is shifted from the pre-defined symbol location and following the subset of symbols. Downlink data scheduled by the PDCCH and received via the PDSCH can be decoded, where the decoding is based on the detected DM-RS.

公开(公告)号：US11736253B2

公开(公告)日：2023-08-22

申请号：US17689229

申请日：2022-03-08

Applicant: Apple Inc.

Inventor： Debdeep Chatterjee ,  Alexei Vladimirovich Davydov ,  Seung Hee Han ,  Jeongho Jeon ,  Sameer Pawar ,  Avik Sengupta ,  Guotong Wang ,  Yushu Zhang

IPC: H04L5/00 ,  H04L1/1812

CPC classification number: H04L5/0048 ,  H04L1/1812 ,  H04L5/0044 ,  H04L5/0051 ,  H04L5/0053 ,  H04L5/0094

Abstract: A user equipment (UE) can include processing circuitry configured to decode control information of a physical down-link control channel (PDCCH) received via a resource within a control resource set (CORESET) occupying a subset of a plurality of OFDM symbols within a slot. At least one of the symbols in the subset coincides with a pre-defined symbol location associated with a demodulation reference signal (DM-RS) of a PDSCH. The DM-RS can be detected within the slot, the DM-RS starting at a symbol location that is shifted from the pre-defined symbol location and following the subset of symbols. Downlink data scheduled by the PDCCH and received via the PDSCH can be decoded, where the decoding is based on the detected DM-RS.

公开(公告)号：US20220173950A1

公开(公告)日：2022-06-02

申请号：US17442502

申请日：2020-04-17

Applicant: Apple Inc.

Inventor： Avik Sengupta ,  Alexei DAVYDOV ,  Sameer Pawar ,  Guotong Wang ,  Gregory Morozov

IPC: H04L27/26 ,  H04L5/00

Abstract: Methods, systems, apparatus, and computer programs, for providing uplink control information to an access node. In one aspect, the method can include actions of determining, by a UE, a time-domain orthogonal cover code (OCC) for a PUCCH message of a UE to multiplex the PUCCH transmission with one or more PUCCH messages from one or more other UEs, and encoding, by the UE, the PUCCH message for transmission by the UE using the OCC.

公开(公告)号：US20220158715A1

公开(公告)日：2022-05-19

申请号：US17605547

申请日：2020-05-01

Applicant: Apple Inc.

Inventor： Mondal Bishwarup ,  Avik Sengupta ,  Yushu Zhang ,  Alexei Davydov

IPC: H04B7/08 ,  H04L1/08 ,  H04W72/04 ,  H04W76/19

Abstract: Embodiments are directed to beam switching. An embodiment of a user equipment (UE) comprises a processor to configure the UE to receive, one or more repetitions of a transport block (TB) using a first physical downlink shared channel (PDSCH) beam, obtain a downlink control information (DCI) comprising one or more transmission configuration indicator (TCI) states, and configure the UE to switch from the first PDSCH beam to a second PDSCH beam, different from the first PDSCH beam, based at least in part on the one or more TCI states.