公开(公告)号：US20180116001A1

公开(公告)日：2018-04-26

申请号：US15837803

申请日：2017-12-11

Applicant: QUALCOMM Incorporated

Inventor： Lei Zhang ,  Chong Li ,  Xinzhou Wu ,  Junyi Li

IPC: H04W74/08 ,  H04W74/00 ,  H04W72/12 ,  H04W16/14 ,  H04L5/00

CPC classification number: H04W74/0866 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0091 ,  H04W16/14 ,  H04W72/1215 ,  H04W74/004 ,  H04W74/0808

Abstract: Methods, systems, and devices are described for techniques for downlink (DL) scheduling and uplink (UL) scheduling in a shared radio frequency (RF)spectrum band. In some aspects, a wireless communication device may receive an UL data transmission grant associated with a channel of shared RF spectrum band. The wireless communication device may perform a channel readiness procedure associated with the channel. The wireless communication device may also transmit channel readiness information based at least in part on the channel readiness procedure to a base station. The channel readiness information may be transmitted via an uplink channel of a licensed RF spectrum band different from the shared RF band. In other aspects, a base station may schedule a data transmission on one or more channels of a shared RF spectrum band. The base station may transmit a data transmission grant for the scheduled data transmission to a wireless communication device.

公开(公告)号：US20180115964A1

公开(公告)日：2018-04-26

申请号：US15788740

申请日：2017-10-19

Applicant: QUALCOMM Incorporated

Inventor： Jamie Menjay Lin ,  Hao Xu ,  Chong Li ,  Chih-Ping Li ,  Jing Jiang ,  Tingfang Ji

IPC: H04W72/04 ,  H04W72/12

CPC classification number: H04W72/04 ,  H04W28/0205 ,  H04W72/042 ,  H04W72/12 ,  H04W72/1242 ,  H04W72/1289

Abstract: Various techniques provide for identifying and transmitting a first transmission to a UE in a first transmission time interval (TTI), and puncturing a portion of the first transmission with a higher priority second transmission that has a shorter TTI than the first TTI. The punctured portion of the first transmission may then be transmitted in a subsequent portion of the first TTI, concurrently with an originally allocated portion of the first transmission for that subsequent portion of the TTI. A UE may identify the punctured portion of the first transmission, and identify that the punctured portion of the first transmission is being transmitted in the subsequent portion of the first TTI. The UE may decode the received transmissions and merge the punctured portion with other, non-punctured, portions of the first transmission.

公开(公告)号：US20180063818A1

公开(公告)日：2018-03-01

申请号：US15490851

申请日：2017-04-18

Applicant: QUALCOMM Incorporated

Inventor： Wanshi Chen ,  Yang Yang ,  Peter Ang ,  Chong Li ,  Hung Ly

IPC: H04W72/04 ,  H04W28/20 ,  H04W74/08 ,  H04W24/02

CPC classification number: H04W72/042 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0094 ,  H04W24/02 ,  H04W28/20 ,  H04W74/0833

Abstract: Aspects of the disclosure relate to determination of bandwidth, frequencies, or a set one or more of subbands that carries a downlink control channel. In some examples, a set of one or more subbands that carries a downlink control channel may be determined based on a function of a predetermined reference resource location. The predetermined reference resource location may be a set of one or more subbands that carries one or more synchronization signals and a broadcast channel. Other aspects, embodiments, and features are also claimed and described.

公开(公告)号：US20180054841A1

公开(公告)日：2018-02-22

申请号：US15616124

申请日：2017-06-07

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Junyi Li ,  Piyush Gupta

IPC: H04W76/02 ,  H04L12/24

CPC classification number: H04W76/11 ,  H04L5/0007 ,  H04L5/0053 ,  H04L5/0092 ,  H04L41/0806 ,  H04W74/0816 ,  H04W76/10

Abstract: Various aspects of the disclosure relate to communicating control information via interleaved symbols. For example, symbols of a first handshaking process may be interleaved with symbols of a second handshaking process. In some scenarios, the control information includes request-to-send (RTS) and clear-to-send (CTS) signaling. In some aspects, different tone spacing is used for the control information than is used for data within a subframe. In some aspects, a different cyclic prefix length is used for control information than is used for data within a subframe.

公开(公告)号：US20180049219A1

公开(公告)日：2018-02-15

申请号：US15442298

申请日：2017-02-24

Applicant: QUALCOMM Incorporated

Inventor： Piyush Gupta ,  Junyi Li ,  Chong Li

IPC: H04W72/12 ,  H04L5/00 ,  H04W72/04 ,  H04W76/02

Abstract: A device may use sidelink request and sidelink response (e.g., DSS/STS and DRS) resources (in a sub-band) of different sizes depending on whether the sub-band is a primary sub-band or secondary sub-band. The device may transmit more information in the request/response resources of a primary sub-band than in the request/response resources of a secondary sub-band. The device may transmit small amounts of information in its request/response resources in secondary sub-bands. The resources in the secondary sub-bands may include, for example, reference signals, and signals indicating occupation of the sub-band. The device may utilize tone signaling for request/response signaling in the secondary sub-bands (at least because the amount of information being conveyed in the secondary sub-bands is small) and digital signaling in the primary sub-band (at least because the amount of information being conveyed in the primary sub-band is large in comparison to that being conveyed in the secondary sub-bands).

公开(公告)号：US09877344B2

公开(公告)日：2018-01-23

申请号：US14880543

申请日：2015-10-12

Applicant: QUALCOMM Incorporated

Inventor： Lei Zhang ,  Chong Li ,  Xinzhou Wu ,  Junyi Li

IPC: H04W72/00 ,  H04W74/08 ,  H04W16/14 ,  H04W74/00 ,  H04W72/12 ,  H04L5/00

CPC classification number: H04W74/0866 ,  H04L5/001 ,  H04L5/0053 ,  H04L5/0091 ,  H04W16/14 ,  H04W72/1215 ,  H04W74/004 ,  H04W74/0808

Abstract: Methods, systems, and devices are described for techniques for downlink (DL) scheduling and uplink (UL) scheduling in a shared radio frequency (RF) spectrum band. In some aspects, a wireless communication device may receive an UL data transmission grant associated with a channel of shared RF spectrum band. The wireless communication device may perform a channel readiness procedure associated with the channel. The wireless communication device may also transmit channel readiness information based at least in part on the channel readiness procedure to a base station. The channel readiness information may be transmitted via an uplink channel of a licensed RF spectrum band different from the shared RF band. In other aspects, a base station may schedule a data transmission on one or more channels of a shared RF spectrum band. The base station may transmit a data transmission grant for the scheduled data transmission to a wireless communication device.

公开(公告)号：US20170311225A1

公开(公告)日：2017-10-26

申请号：US15249229

申请日：2016-08-26

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Piyush Gupta ,  Junyi Li

IPC: H04W40/24 ,  H04L5/00 ,  H04W72/00 ,  H04W72/10

CPC classification number: H04W40/246 ,  H04L5/0048 ,  H04W8/005 ,  H04W72/005 ,  H04W72/10 ,  H04W74/0816 ,  H04W74/0833

Abstract: A user equipment (UE) may determine that a synchronous transmission by the UE includes traffic having a priority higher than a priority of nominal traffic. In response to the determination, the UE may, alter a use of at least some of an initial portion of a discovery frame from energy detection to signal transmission. The signal transmission may be a pilot signal transmission or a non-information-carrying signal transmission. The traffic having the priority higher than the nominal traffic may include mission-critical traffic. A reliability requirement of mission-critical traffic may be higher than a reliability requirement of nominal traffic. A latency requirement of mission-critical traffic may be lower than a latency requirement of nominal traffic. The signal transmission may be at a power level that is sufficient to result in energy detection at another UE. Various additional and alternative aspects are described herein.

公开(公告)号：US11672002B2

公开(公告)日：2023-06-06

申请号：US17319456

申请日：2021-05-13

Applicant: QUALCOMM Incorporated

Inventor： Hua Wang ,  Junyi Li ,  Piyush Gupta ,  Chong Li

IPC: H04W72/542 ,  H04W76/14 ,  H04W72/1268 ,  H04L5/00 ,  H04W72/04 ,  H04W76/10 ,  H04W92/18

CPC classification number: H04W72/542 ,  H04L5/0037 ,  H04L5/0048 ,  H04W72/04 ,  H04W72/1268 ,  H04W76/10 ,  H04W76/14 ,  H04L5/0051 ,  H04W92/18

Abstract: Base stations of neighbor cells can coordinate with each other in allocating grant-free uplink (GUL) resources for a device-to-device (D2D) connection or channel between user equipments (UEs) across the neighbor cells. The base stations coordinate to determine a condition conducive to D2D communication between the UEs. If the condition exists, the base stations coordinate to allocate network resources for D2D communication between the UEs, and establish a D2D connection between the UEs using the allocated network resources for D2D communication.

公开(公告)号：US11582717B2

公开(公告)日：2023-02-14

申请号：US17219676

申请日：2021-03-31

Applicant: QUALCOMM Incorporated

Inventor： Piyush Gupta ,  Chong Li

IPC: H04W72/00 ,  H04L5/00 ,  H04W72/04 ,  H04W8/00 ,  H04W72/12

Abstract: Aspects of the present disclosure provide techniques to reduce overhead and improve resource management by efficiently selecting RSMA spreading code for periodic traffic in IoE devices. For example, in accordance with one technique, the IoE device, during an initial access to the base station, may notify the base station of the traffic periodicity of the IoE device such that the base station may assign a spreading code from a dedicated pool that is not utilized during the periodic access of the device. Additionally or alternatively, another technique to reduce overhead and improve resource management may include the IoE devices broadcasting the selected RSMA spreading code that the IoE devices intends to use in discovery broadcasts (DBs) along with the IoE device traffic periodicity such that the IoE devices may autonomously manage selection of RSMA spreading code that avoids collisions for the same traffic periodicity.

公开(公告)号：US11497047B2

公开(公告)日：2022-11-08

申请号：US16137840

申请日：2018-09-21

Applicant: QUALCOMM Incorporated

Inventor： Chong Li ,  Wanshi Chen ,  Jing Jiang ,  Jing Sun

IPC: H04W72/12 ,  H04B17/309 ,  H04L5/00 ,  H04L1/18 ,  H04W52/48 ,  H04W72/04

Abstract: Methods, systems, and devices for wireless communications are described. A base station and a user equipment (UE) may communicate in a high reliability and low latency communications system (e.g., ultra-reliable low latency communications (URLLC)). The base station may signal a UE-specific scheduling request (SR) repetition configuration that the UE may utilize to transmit an instantaneous SR when a buffer status report (BSR) is triggered by a new data packet. The UE may repeatedly transmit the SR until a number of repetitions or a time period of repetitions is met or an uplink grant is received from the base station. The SR repetition configuration may include a number of parameters including a repetition setting, power settings, a resource allocation, and an acknowledgement/negative acknowledgment (ACK/NACK) procedure.