公开(公告)号：US20200267771A1

公开(公告)日：2020-08-20

申请号：US16742558

申请日：2020-01-14

Applicant: QUALCOMM Incorporated

Inventor： Pravjyot Singh Deogun ,  Jing Sun ,  Xiaoxia Zhang ,  Ozcan Ozturk ,  Kapil Bhattad ,  Ananta Narayanan Thyagarajan

IPC: H04W74/08 ,  H04W72/04 ,  H04B17/318

Abstract: Frequency division multiplex (FDM) random access configuration and selection is disclosed for new radio (NR) unlicensed (NR-U) operations. For idle mode user equipment (UEs), the network may configured multiple frequency bands for random access. The UE may then select different frequencies for random access when default frequencies experience interference. For connected mode UEs, the network may configured which of multiple configured frequency bands the connected UE may use for autonomous random access transmissions. The UE may then select any of the allowed frequency bands for autonomous random access. Contention-free random access resources may be configured on one or more of the multiple configured frequency bands. When contention-free resources are available, the UEs may initially attempt access of the contention-free resources on the default frequency band before attempting random access on other configured bands or the UE is provided a priority of bands for access by the network.

公开(公告)号：US20200252977A1

公开(公告)日：2020-08-06

申请号：US16854271

申请日：2020-04-21

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia Zhang ,  Srinivas Yerramalli ,  Jing Sun ,  Aleksandar Damnjanovic ,  Ozcan Ozturk ,  Tao Luo ,  Yongbin Wei

IPC: H04W74/08 ,  H04W72/04 ,  H04L5/00 ,  H04L27/26

Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may identify that the UE is configured to use a two-step random access channel (RACH) procedure. The two-step RACH procedure may include an uplink request message and a downlink response. The UE may transmit the uplink request message as part of the two-step RACH procedure, and the uplink request message may include a preamble portion that is one of a set of predefined sequences and a payload portion that includes a physical uplink shared channel waveform. The UE may receive the downlink response as part of the two-step RACH procedure and in response to the uplink request message.

公开(公告)号：US10687362B2

公开(公告)日：2020-06-16

申请号：US16676308

申请日：2019-11-06

Applicant: QUALCOMM Incorporated

Inventor： Jing Sun ,  Xiaoxia Zhang ,  Ozcan Ozturk ,  Srinivas Yerramalli

IPC: H04W74/08 ,  H04W28/06 ,  H04W72/04 ,  H04W72/12 ,  H04W74/00 ,  H04W76/27

Abstract: Enhancements to slot format indicator (SFI) for new radio (NR) unlicensed (NR-U) operations is disclosed. The SFI may be transmitted separately from a channel occupancy time (COT) range indication. The COT range indication identifies parameters of a three-segment structure of a current COT within the current TxOP. Upon receiving the SFI and COT range indication, a UE may engage in communications with the serving UE in accordance with the COT range indication and the SFI.

公开(公告)号：US10524277B2

公开(公告)日：2019-12-31

申请号：US15675583

申请日：2017-08-11

Applicant: QUALCOMM Incorporated

Inventor： Keiichi Kubota ,  Gavin Bernard Horn ,  Aziz Gholmieh ,  Soo Bum Lee ,  Ozcan Ozturk ,  Ajay Gupta

IPC: H04W4/00 ,  H04W72/12 ,  H04W74/08 ,  H04W76/15 ,  H04W76/27 ,  H04W36/04 ,  H04W36/08 ,  H04W36/32 ,  H04W36/00 ,  H04W88/02 ,  H04W88/08

Abstract: The apparatus for wireless communication includes a processing system. The processing system is configured to establish a first radio link with a master base station, establish a second radio link with a first cell associated with a secondary base station, wherein the second radio link comprises a SRB, and receiving a RRC connection reconfiguration signal from the second radio link SRB to establish the second radio link with a second cell.

公开(公告)号：US20190394749A1

公开(公告)日：2019-12-26

申请号：US16446438

申请日：2019-06-19

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Nazmul Islam ,  Tao Luo ,  Ozcan Ozturk ,  Heechoon Lee ,  Prashanth Hande

IPC: H04W68/00 ,  H04W56/00 ,  H04W24/08 ,  H04W72/04 ,  H04W74/08 ,  H04W80/02 ,  H04W76/27 ,  H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described in which a paging configuration may be provided by a base station that indicates one or more occasions during which a user equipment (UE) is to monitor for pages. A location of the paging occasion may be based at least in part on at least one synchronization signal block (SSB) transmitted by the base station. A mapping between a paging occasion index and the location of the paging occasion is indicated in the paging configuration. Paging windows may be configured during downlink slots that contain an SSB transmission. Paging transmissions may use beamforming parameters that are the same as SSB transmission beamforming parameters.

公开(公告)号：US10492167B2

公开(公告)日：2019-11-26

申请号：US14962468

申请日：2015-12-08

Applicant: QUALCOMM Incorporated

Inventor： Ozcan Ozturk ,  Jun Wang ,  Madhavan Srinivasan Vajapeyam ,  Ravindra Manohar Patwardhan

IPC: H04W74/00 ,  H04W74/08 ,  H04W68/02 ,  H04W8/22 ,  H04W48/12

Abstract: Certain aspects relate to methods and apparatus for wireless communications, comprising determining to use a reduced paging cycle to page a user equipment (UE) of a first type that supports the reduced paging cycle, the reduced paging cycle having a shorter period relative to a paging cycle used with UEs of a second type which do not support the reduced paging cycle, and paging the UE of the first type in accordance with the reduced paging cycle. Certain aspects relate to methods and apparatus for conveying system information by a base station, comprising broadcasting a first system information common to each cell of a group of cells in an area and broadcasting a second system information that can vary between cells in the group of cells, wherein the second system information is broadcast more frequently than the first system information.

公开(公告)号：US10484886B2

公开(公告)日：2019-11-19

申请号：US15964841

申请日：2018-04-27

Applicant: QUALCOMM Incorporated

Inventor： Miguel Griot ,  Gavin Bernard Horn ,  Ozcan Ozturk

IPC: H04W16/32 ,  H04W72/00 ,  H04W72/10 ,  H04W48/18 ,  H04W48/20 ,  H04W88/02 ,  H04W48/10

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for providing broadcast information on supported and non-supported slices using communications systems operating according to new radio (NR) technologies. For example, a method for wireless communication by a user equipment (UE) may generally include receiving signaling of at least one of: a first list of network slices indicated as available in a first cell or a second list of network slices indicated as unavailable in the first cell, and performing at least one of cell reselection or cell selection taking into account the network slices listed in the at least one of the first list or the second list.

公开(公告)号：US20190313331A1

公开(公告)日：2019-10-10

申请号：US16298846

申请日：2019-03-11

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Jing Sun ,  Ozcan Ozturk

IPC: H04W52/02 ,  H04W76/28 ,  H04W76/38 ,  H04W76/27 ,  H04W72/12

Abstract: Some techniques and apparatuses described herein permit a user equipment (UE) to start a discontinuous reception (DRX) inactivity timer based at least in part on a data communication (e.g., a slot in which a downlink data communication and/or an uplink data communication is scheduled), rather than starting the DRX inactivity timer in a slot in which a corresponding downlink control channel communication is received. In this way, the UE may increase the duration of time that the UE is in a sleep state, especially when the data communication is scheduled to occur with a long delay after the downlink control channel communication, thereby conserving battery power of the UE. Some of these techniques and apparatuses may be flexibly configured to conserve battery power of the UE depending on a flexible scheduling of data communications.

公开(公告)号：US10321466B2

公开(公告)日：2019-06-11

申请号：US15672566

申请日：2017-08-09

Applicant: QUALCOMM Incorporated

Inventor： Ozcan Ozturk ,  Arnaud Meylan ,  Sivaramakrishna Veerepalli

IPC: H04L12/26 ,  H04W28/08 ,  H04W48/16 ,  H04W72/04 ,  H04W72/12 ,  H04W76/36 ,  H04W88/06 ,  H04L12/709 ,  H04L12/803

Abstract: Techniques for wireless communication at a user equipment (UE) are described. One method includes receiving, from a first access point using a first radio access technology (RAT), a configuration associated with a logical traffic connection, in which the configuration includes at least one parameter for communicating data associated with the logical traffic connection via a second access point associated with a second RAT; determining a buffer reporting value associated with the logical traffic connection based at least in part on a total amount of data buffered in a packet data convergence protocol (PDCP) queue associated with the logical traffic connection and the at least one parameter; and transmitting a buffer status report (BSR) including the buffer reporting value to the first access point.

公开(公告)号：US10251155B2

公开(公告)日：2019-04-02

申请号：US15398891

申请日：2017-01-05

Applicant: QUALCOMM Incorporated

Inventor： Ajay Gupta ,  Jun Wang ,  Miguel Griot ,  Ozcan Ozturk

IPC: H04W74/08 ,  H04W72/00 ,  H04W72/04 ,  H04W48/20 ,  H04W12/04 ,  H04W76/40 ,  H04L12/18 ,  H04W4/06 ,  H04W4/08 ,  H04W80/04

Abstract: Aspects described herein relate to communicating using multicast in a wireless network. A connection with an access point can be established using a cellular radio access technology. An internet protocol request for multicast communications can be transmitted to the access point over the connection. Multicast data can be received from the access point over resources corresponding to over-the-air multicast communications based on the internet protocol request.