公开(公告)号：US20220174591A1

公开(公告)日：2022-06-02

申请号：US17545832

申请日：2021-12-08

Applicant: QUALCOMM Incorporated

Inventor： Peter Pui Lok Ang ,  Joseph Patrick Burke ,  Tingfang Ji ,  Naga Bhushan ,  Krishna Kiran Mukkavilli ,  Joseph Binamira Soriaga ,  John Edward Smee

IPC: H04W52/02 ,  H04W72/04 ,  H04L1/00

Abstract: Systems, methods, apparatuses, and computer-program products for performing dynamic bandwidth switching between control signals and data signals of differing bandwidths are disclosed. A mobile device receives a control signal having a first bandwidth. The mobile device receives a data signal having a second bandwidth different from the first bandwidth. The control signal and the data signal are received over a single carrier frequency. The data signal is transmitted after the control signal such that the data signal and control signal are separated by a time interval. The time interval is based on a switching latency of the mobile device.

公开(公告)号：US11329790B2

公开(公告)日：2022-05-10

申请号：US16910431

申请日：2020-06-24

Applicant: QUALCOMM Incorporated

Inventor： Muhammad Sayed Khairy Abdelghaffar ,  Krishna Kiran Mukkavilli ,  Naga Bhushan ,  Joseph Binamira Soriaga ,  Tingfang Ji ,  Joseph Patrick Burke

IPC: H04L5/00 ,  H04L5/14 ,  H04W72/08 ,  H04L25/02 ,  H04B17/336 ,  H04W72/04

Abstract: Various designs for implementing bandwidth part (BWP) full-duplex (FD) are discussed. A base station serving a plurality of user equipments (UEs) over a component carrier bandwidth (CC BW) receives a reference signal from a UE while transmitting downlink traffic to another UE over a part of the CC BW. The base station determines, based on the reference signal, a level of interference on transmissions over the part of the CC BW, and, based at least in part on interference cancelation capabilities of the base station and the level of interference, at least one portion of the CC BW for full-duplex operations. The base station activates full-duplex operations for the at least one portion of the CC BW, which includes receiving from the UE while transmitting to another UE over the same portion of the CC BW. Other aspects and features are also claimed and described.

公开(公告)号：US11323227B2

公开(公告)日：2022-05-03

申请号：US16192678

申请日：2018-11-15

Applicant: QUALCOMM Incorporated

Inventor： Chih-Ping Li ,  Jing Jiang ,  Yi Huang ,  Tingfang Ji

IPC: H04W4/00 ,  H04L5/00 ,  H04L1/18 ,  H04L1/16 ,  H04L5/14 ,  H04W76/27 ,  H04L27/26 ,  H04W72/04 ,  H04W72/14

Abstract: Aspects of the disclosure relate to an apparatus and method for wireless communication. The apparatus receives downlink control information (DCI) or a radio resource control (RRC) message indicating a configuration of an uplink burst region of a downlink-centric slot, the configuration allocating resources within the uplink burst region between a physical uplink shared channel (PUSCH) and a physical uplink control channel (PUCCH) or uplink control information (UCI). The PUSCH is multiplexed with at least one of the PUCCH or the UCI in the uplink burst region. The apparatus further generates a feedback signal (e.g., Transmission Control Protocol (TCP) acknowledgement (ACK)) corresponding to a downlink (e.g., TCP) data packet received from a scheduling entity and transmits the feedback signal to the scheduling entity via the PUSCH configured in the uplink burst region of the downlink-centric slot. Other aspects, embodiments, and features are also claimed and described.

公开(公告)号：US20220085936A1

公开(公告)日：2022-03-17

申请号：US17387248

申请日：2021-07-28

Applicant: QUALCOMM Incorporated

Inventor： Hung Dinh Ly ,  June Namgoong ,  Taesang Yoo ,  Krishna Kiran Mukkavilli ,  Naga Bhushan ,  Tingfang Ji ,  Hwan Joon Kwon ,  Pavan Kumar Vitthaladevuni ,  Jay Kumar Sundararajan

IPC: H04L5/00 ,  H04B17/309

Abstract: Methods, systems, and devices for wireless communications are described. A configuration for a reference signal used to determine a non-linear behavior of transmission components at a transmitting device may be determined. The configuration for the reference signal may be determined based on signaling transmitted by the transmitting device, signaling transmitted by a device that receives the reference signal, or both. Additionally, or alternatively, the configuration for the reference signal may be determined based on a configuration of other signals transmitted by the transmitting device prior to or concurrently with the transmission of the reference signal. The determined configuration may be used to generate and transmit the reference signal or to determine a configuration of a received reference signal. In both cases, a non-linear response of transmission components at the transmitting device may be determined based on the reference signal.

公开(公告)号：US11277737B2

公开(公告)日：2022-03-15

申请号：US16717021

申请日：2019-12-17

Applicant: QUALCOMM Incorporated

Inventor： Huilin Xu ,  Renqiu Wang ,  Peter Pui Lok Ang ,  Tingfang Ji ,  Wanshi Chen ,  Jing Lei

IPC: H04L12/28 ,  H04W8/24 ,  H04W72/04 ,  H04W56/00 ,  H04W24/08 ,  H04J1/16

Abstract: Control channel decoding can consume a significant amount of power with respect to the device's total power battery lifetime, as well as being a factor in the complexity of device. Aspects of a method, apparatus, and computer-readable medium are presented herein that provide a solution to the problem of control channel decoding complexity and power requirements by improving the manner in which control channels are decoded. An apparatus configures an initial CORESET having a reduced bandwidth corresponding to a bandwidth capability of a first UE type. The reduced bandwidth having a narrower frequency range than a bandwidth capability of a second UE type. The apparatus may configure a first CORESET for a first UE having a first bandwidth capability and a second CORESET for a second UE having a second bandwidth capability. The apparatus transmits control channel(s) in the configured CORESET(s).

公开(公告)号：US11277235B2

公开(公告)日：2022-03-15

申请号：US15351164

申请日：2016-11-14

Applicant: QUALCOMM Incorporated

Inventor： Peter Pui Lok Ang ,  Tao Luo ,  Tingfang Ji ,  Jing Jiang ,  Saurabha Rangrao Tavildar ,  Yang Yang ,  Jamie Menjay Lin ,  Joseph Binamira Soriaga

IPC: H04L5/00 ,  H04W72/04 ,  H04W88/08

Abstract: Techniques are described for wireless communication. One method includes identifying a transmission time interval (TTI)-level control region, where the cascaded control region includes a TTI-level common control region and a TTI-level UE-specific control region, and where the TTI-level common control region has a pointer to a location of the TTI-level UE-specific control region; and demodulating at least one of the TTI-level common control region and the TTI-level UE-specific control region. Some techniques enable control information in a first region to point to a second region that includes additional control information. Some techniques enable two-stages of control. Semi-persistent scheduling/prescheduling control may be configured to cause an entity to refrain from demodulating one of the stages of control.

公开(公告)号：US20220014407A1

公开(公告)日：2022-01-13

申请号：US17370794

申请日：2021-07-08

Applicant: QUALCOMM Incorporated

Inventor： Krishna Kiran Mukkavilli ,  June Namgoong ,  Taesang Yoo ,  Naga Bhushan ,  Saeid Sahraei ,  Tingfang Ji

IPC: H04L27/26 ,  H04L5/00 ,  H04L1/16

Abstract: Wireless communication techniques that include techniques for allocating resources for peak reduction tones are discussed. A UE may receive from a base station an indication of one or more frequency resources that are allocated for uplink communication. The UE may also receive from the base station an indication of a subset of the one or more frequency resources allocated for uplink communication that are also allocated for transmission of one or more peak reduction tones. The UE may transmit to the base station at least one peak reduction tone on at least one frequency resource of the subset of the one or more frequency resources. Other aspects and features are also claimed and described.

公开(公告)号：US11223967B2

公开(公告)日：2022-01-11

申请号：US15954569

申请日：2018-04-16

Applicant: QUALCOMM Incorporated

Inventor： Heechoon Lee ,  Hung Ly ,  Tingfang Ji ,  Haitong Sun

IPC: H04W24/10 ,  H04B7/06 ,  H04W84/04

Abstract: A method of wireless communications at a user equipment (UE) includes receiving, from a serving cell associated with a wireless network, a radio resource management (RRM) mode indicator that indicates a set of one or more beams for which cell measurement and reporting is to be performed by the UE; performing at least one cell measurement on at least one synchronization signal (SS) block received from at least one neighboring cell; determining, based at least in part on the RRM mode indicator, whether to decode a physical broadcast channel (PBCH) received in each SS block of the at least one SS block; and transmitting a cell measurement report, the cell measurement report based at least in part on the at least one cell measurement, the cell measurement report selectively including at least one beam index based at least in part on whether the PBCH is decoded.

公开(公告)号：US20220000224A1

公开(公告)日：2022-01-06

申请号：US17480135

申请日：2021-09-20

Applicant: QUALCOMM Incorporated

Inventor： Xiao Feng Wang ,  Peter Gaal ,  Wanshi Chen ,  Seyedkianoush Hosseini ,  Tao Luo ,  Juan Montojo ,  Tingfang Ji

IPC: A44C5/00

Abstract: Methods, systems, and devices for wireless communications are described that provide for managing transmissions using multiple component carriers (CCs) in which transmissions using one or more of the CCs may span less than a full transmission time of a slot or other transmission time interval. A UE may signal a capability to transmit such transmissions, and one or more capabilities related to carrier aggregation that may be used by a base station for scheduling of transmissions on different CCs. In the event that overlapping transmissions on two or more CCs exceed a maximum power threshold, various techniques for dropping at least a portion of one or more transmissions of one or more CCs are described.

公开(公告)号：US11184870B2

公开(公告)日：2021-11-23

申请号：US16735514

申请日：2020-01-06

Applicant: QUALCOMM Incorporated

Inventor： Joseph Binamira Soriaga ,  Tingfang Ji ,  Yichao Huang ,  Naga Bhushan ,  Keiichi Kubota ,  Gavin Bernard Horn

IPC: H04W56/00 ,  H04W8/00 ,  H04W72/04 ,  H04L1/00 ,  H04W48/10 ,  H04W48/16

Abstract: Discovery and synchronization channels are discussed for user-tracking zones in a cellular network. User-tracking zones reduce the mobility tracking burden on the UE and shift the tracking responsibility to the network. This shift allows for UE and network power savings from reduced searching at the UE as well as through efficient paging area tracking and less broadcast signaling. The various aspects provide channel design for initial synchronization and discovery of the user-tracking zones. A single frequency network (SFN) synchronization channel is provided with at least a reference signal for time synchronization and payload information that may include a zone identifier (ID), formatting for a system information transmission request, and resource allocation for the request. The zone ID may be included in the payload or embedded into the reference signal. Facility is also provided for handling zone nodes of different power classes that allows for maintaining the SFN operations.