公开(公告)号：CA3074560A1

公开(公告)日：2019-04-11

申请号：CA3074560

申请日：2018-07-26

Applicant: QUALCOMM INC

Inventor： SANTHANAM ARVIND ,  HOOVER SCOTT ,  MU YUNSONG ,  WANG YUANBO ,  XIAO GANG ,  LIU HAIQIN ,  RAO SUBRAMANYA ,  TANI TAOUFIK ,  LU FENG

IPC: H04W72/04

Abstract: Certain aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may determine a limit on a number of resource blocks (RBs) permitted to be used for a vehicle-to-everything (V2X) transmission by the UE; may determine, based at least in part on the limit, one or more parameters for the V2X transmission, wherein the one or more parameters include at least one of a modulation and coding scheme (MCS) for the V2X transmission, a number of transport blocks (TBs) for the V2X transmission, a number of RBs per TB for the V2X transmission, or a retransmission configuration for the V2X transmission; and may transmit the V2X transmission based at least in part on the one or more parameters. Numerous other aspects are provided.

公开(公告)号：SG11202109586SA

公开(公告)日：2021-10-28

申请号：SG11202109586S

申请日：2020-02-03

Applicant: QUALCOMM INC

Inventor： GULATI KAPIL ,  LI JUNYI ,  NGUYEN TIEN VIET ,  RAO SUBRAMANYA ,  BAGHEL SUDHIR KUMAR

IPC: H03G3/00 ,  H04L27/26

Abstract: Methods, systems, and devices for wireless communications are described. A first user equipment (UE) may receive one or more transmissions from one or more UEs in a first slot, including a first transmission from a second UE. The first UE may receive the first transmission using a receiver configured with a first gain and may decode the first transmission. The UE may determine a correspondence (e.g., a temporal correlation) between the first slot and a second slot and may configure the receiver with a second gain at the beginning of the second slot based on the correspondence. The UE may determine that a total received signal power in the second slot is associated with the total received signal power in the first slot. The UE may decode one or more transmissions in the second slot based on the receiver having the second gain at the beginning of the slot.

公开(公告)号：SG11202102223WA

公开(公告)日：2021-04-29

申请号：SG11202102223W

申请日：2019-10-09

Applicant: QUALCOMM INC

Inventor： PARK CHEOL HEE ,  LU FENG ,  SANTHANAM ARVIND VARDARAJAN ,  RAO SUBRAMANYA ,  VEEREPALLI SIVARAMAKRISHNA ,  TAN CHENG ,  MASCHUE SEAN VINCENT ,  IYER ASHISH SHANKAR ,  RAMAKRISHNAN GIRIDHAR ,  PATEL YAX ,  RAJAGOPALAN SRINIVASAN

IPC: H04W56/00 ,  H04W4/46

Abstract: Aspects directed towards synchronizing out of coverage (OOC) vehicle-to-everything (V2X) communications are disclosed. In one example, a scheduled entity detects a loss of a synchronization signal associated with a V2X communication by detecting when a timing uncertainty value or error value is greater than a threshold value. Packet timing information is then received in response to the loss of the synchronization signal from at least one user equipment (UE) synchronized with the synchronization signal. The scheduled entity then maintains the V2X communication by performing a timing adjustment based on the packet timing information.

公开(公告)号：SG11202100152RA

公开(公告)日：2021-03-30

申请号：SG11202100152R

申请日：2019-07-19

Applicant: QUALCOMM INC

Inventor： LU FENG ,  PARK CHEOL HEE ,  TAN CHENG ,  SIMMONS EDMUND VICTOR ,  MASCHUE SEAN VINCENT ,  VEEREPALLI SIVARAMAKRISHNA ,  SANTHANAM ARVIND VARDARAJAN ,  RAO SUBRAMANYA

IPC: H04B7/04 ,  H04B7/06

Abstract: This disclosure discloses various vehicle-to-everything (V2X) wireless communication processes that use switching diversity to improve coverage over that of a single transmit antenna. Switching diversity may be implemented by alternating the transmit antennas according to a certain switching pattern. A V2X device determines a pattern for alternating a plurality of antennas for transmitting data packets. The V2X device selects, based on the pattern, a first antenna of the plurality of antennas, and transmit a first packet of the data packets using the first antenna. The V2X device further select, based on the pattern, a second antenna of the plurality of antennas, and transmit a second packet of the data packets using the second antenna.