公开(公告)号：US20220295477A1

公开(公告)日：2022-09-15

申请号：US17249751

申请日：2021-03-11

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Jun MA ,  Jing SUN ,  Wooseok NAM ,  Iyab Issam SAKHNINI ,  Zhifei FAN ,  Tao LUO ,  Juan MONTOJO

IPC: H04W72/04 ,  H04L27/26 ,  H04L27/04

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may receive, from a base station, an indication of a time domain resource allocation (TDRA), in a unit of a time domain resource block (RB) or in a unit of a time domain RB group, for a communication that is to use a time domain waveform. The unit of the time domain RB or the unit of the time domain RB group may be a sub-symbol unit. The UE may communicate with the base station, using the time domain waveform, based at least in part on the TDRA for the communication. Numerous other aspects are described.

公开(公告)号：US20220191869A1

公开(公告)日：2022-06-16

申请号：US17121697

申请日：2020-12-14

Applicant: QUALCOMM Incorporated

Inventor： Anantha Krishna Karthik NAGARAJAN ,  Jing SUN ,  Xiaoxia ZHANG ,  Tao LUO ,  Jun MA ,  Wooseok NAM ,  Zhifei FAN ,  Qingjiang TIAN ,  Hemant SAGGAR ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL

IPC: H04W72/04 ,  H04W74/00 ,  H04W74/08 ,  H04W72/02

Abstract: Apparatus, methods, and computer-readable media for coexistence of multiple uplink control channel formats for wireless communication with power spectral density limitation are disclosed herein. A user equipment (UE) may communicate, with a base station (BS) over a random access channel on a first set of random access resources or a second set of random access resources, a random access request based on a comparison between an intended transmit power of the random access request and a reference transmit power threshold. The UE may communicate, on a first set of uplink resources, a control message for initial network access when the random access request is communicated on the first set of random access resources. The UE also may communicate, on a second set of uplink resources, the control message when the random access request is communicated on the second set of random access resources.

公开(公告)号：US20220109491A1

公开(公告)日：2022-04-07

申请号：US17447146

申请日：2021-09-08

Applicant: QUALCOMM Incorporated

Inventor： Liangping MA ,  Xiao Feng WANG ,  Ayan SENGUPTA ,  Alberto RICO ALVARINO ,  Peter GAAL ,  Bharat SHRESTHA ,  Jun MA ,  Umesh PHUYAL

IPC: H04B7/10 ,  H04W72/04 ,  H04L5/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a base station may determine a polarization of a bandwidth part. The base station may transmit, to a user equipment, a polarization indication that indicates the polarization for the bandwidth part. Numerous other aspects are provided.

公开(公告)号：US20220007434A1

公开(公告)日：2022-01-06

申请号：US17305064

申请日：2021-06-30

Applicant: QUALCOMM Incorporated

Inventor： Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Tao LUO ,  Xiaoxia ZHANG ,  Qiang WU ,  Jun MA ,  Iyab Issam SAKHNINI ,  Jing SUN ,  Mehmet Izzet GURELLI ,  Anantha Krishna Karthik NAGARAJAN ,  Juan MONTOJO ,  Peter GAAL

IPC: H04W74/08 ,  H04W74/00 ,  H04W56/00 ,  H04L5/14

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may receive, from a base station, an indication of a time gap value associated with a random access channel (RACH) procedure, wherein the time gap value is based at least in part on a capability of the base station, determine whether a physical RACH (PRACH) occasion associated with the RACH procedure is valid based at least in part on receiving the indication of the time gap value associated with the RACH procedure, and selectively transmit, to the base station, a PRACH transmission in the PRACH occasion based at least in part on determining whether the PRACH occasion is valid. Numerous other aspects are provided.

公开(公告)号：US20210352729A1

公开(公告)日：2021-11-11

申请号：US17215535

申请日：2021-03-29

Applicant: QUALCOMM Incorporated

Inventor： Iyab Issam SAKHNINI ,  Qiang WU ,  Tao LUO ,  Xiaoxia ZHANG ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Jun MA ,  Mehmet Izzet GURELLI ,  Jing SUN

IPC: H04W74/08 ,  H04L27/26 ,  H04W74/00

Abstract: A UE, as a part of a RACH communication procedure, may transmit a first sequence within a first set of resources having a first SCS and a second sequence within a second set of resources having a second SCS greater than the first SCS. The second sequence is transmitted with a cyclic prefix greater than inverse of the first SCS divided by a sequence length of the first sequence. The first sequence is a first PRACH preamble. The second sequence may be a second PRACH preamble, an SRS sequence, or DMRS. The UE may repeat the transmission of the first sequence for a first number of times and repeat the transmission of the second sequence for a second number of times independent of the first number.

公开(公告)号：US20210345392A1

公开(公告)日：2021-11-04

申请号：US17301729

申请日：2021-04-13

Applicant: QUALCOMM Incorporated

Inventor： Jun MA ,  Qiang WU ,  Mehmet Izzet GURELLI ,  Iyab Issam SAKHNINI ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL

IPC: H04W72/12 ,  H04L27/26 ,  H04L1/00

Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment may determine a number of resource elements (REs) associated with downlink control information (DCI) that is to be carried on a physical downlink shared channel (PDSCH) with a shared channel, wherein the number of REs associated with the DCI is determined based at least in part on a scaling factor and a number of REs associated with the shared channel; determine a transport block size (TBS) for the shared channel based at least in part on a remaining number of REs, of the number of REs associated with the shared channel, wherein the remaining number of REs is based at least in part on the number of REs associated with the DCI; and receive the PDSCH based at least in part on the TBS for the shared channel. Numerous other aspects are provided.

公开(公告)号：US20210328843A1

公开(公告)日：2021-10-21

申请号：US17214027

申请日：2021-03-26

Applicant: QUALCOMM Incorporated

Inventor： Mehmet Izzet GURELLI ,  Qiang WU ,  Jing SUN ,  Xiaoxia ZHANG ,  Tao LUO ,  Iyab Issam SAKHNINI ,  Jun MA ,  Ahmed Abdelaziz Ibrahim Abdelaziz ZEWAIL ,  Juan MONTOJO ,  Peter GAAL

IPC: H04L27/26

Abstract: Orthogonal frequency-division multiplexing (OFDM) numerologies that maintain symbol boundary alignment while distributing excess cyclic prefixes (CPs) among OFDM symbols. Communication is established using a first sub-carrier spacing (SCS) and a first OFDM numerology, such as an exemplary numerology that distributes excess CP duration among a set of symbols that occupy a time interval within or equal to a corresponding time interval of a symbol of a second OFDM numerology with a second lower SCS. The first SCS may be, e.g., 960 kHz. The second SCS may be, e.g., 120 kHz. Another exemplary OFDM numerology described herein distributes the excess CP as prefix and postfix portions to one of the symbols, such as the first symbol of a set. Communication then proceeds using the first OFDM numerology at the first SCS and, in illustrative examples, using the second OFDM numerology at the second SCS or other OFDM numerologies at other SCSs.

公开(公告)号：US20210119697A1

公开(公告)日：2021-04-22

申请号：US17068144

申请日：2020-10-12

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng WANG ,  Iyab Issam SAKHNINI ,  Jun MA ,  Peter GAAL

IPC: H04B7/185 ,  H04W56/00 ,  H04W74/08 ,  H04W68/00

Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for managing beam configurations and parameters for non-terrestrial networks. In some implementations, a UE may detect a synchronization signal block (SSB) transmitted by a satellite via a first beam. Aspects of the present disclosure recognize that each beam may be identified by a unique SSB index based at least in part on a time or frequency on which the SSB is received. Thus, the SSB may be identified based on a frequency-domain SSB index or a time-domain SSB index. The UE may further determine one or more wireless communication parameters associated with the first beam. The UE may generate a mapping between the SSB and the wireless communication parameters associated with the first beam, and thereafter communicate with the satellite using the mapping.

公开(公告)号：US20210068169A1

公开(公告)日：2021-03-04

申请号：US17003835

申请日：2020-08-26

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng WANG ,  Iyab Issam SAKHNINI ,  Dan ZHANG ,  Peter GAAL ,  Jun MA ,  Huilin XU

IPC: H04W74/08 ,  H04W72/04 ,  H04L5/00

Abstract: Certain aspects of the present disclosure provide techniques for wireless communication. A method that may be performed by a base station (BS), the method including determining a plurality of root sets, wherein each root set of the plurality of root sets comprise at least a first root and a second root. In some examples, the method includes transmitting signaling that indicates the plurality of root sets.

公开(公告)号：US20200313795A1

公开(公告)日：2020-10-01

申请号：US16814653

申请日：2020-03-10

Applicant: QUALCOMM Incorporated

Inventor： Huilin XU ,  Jun MA ,  Xiao Feng WANG ,  Iyab Issam SAKHNINI ,  Dan ZHANG

IPC: H04L1/00 ,  H04L5/00 ,  H04B7/06 ,  H04L1/18 ,  H04L29/12

Abstract: In some aspects, a user equipment (UE) may receive a configuration from a base station that indicates whether to use a first channel quality indicator (CQI) table from a first set of CQI tables associated with terrestrial network communications or whether to use a second CQI table from a second set of CQI tables associated with non-terrestrial network communications. The UE may transmit CQI feedback to the base station based at least in part on the configuration. The UE may transmit the CQI feedback using the first CQI table when the configuration indicates that the first CQI table is to be used or may transmit the CQI feedback using the second CQI table when the configuration indicates that the second CQI table is to be used.