-
公开(公告)号:US20250132879A1
公开(公告)日:2025-04-24
申请号:US18694352
申请日:2021-12-01
Applicant: QUALCOMM Incorporated
Inventor: Runxin WANG , Muhammad Sayed Khairy ABDELGHAFFAR , Yu ZHANG
IPC: H04L5/00 , H04W72/044 , H04W72/232
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive control signaling indicating a plurality of port arrangements for transmitting one or more sounding reference signals to the base station. The UE may select a port arrangement of the plurality of port arrangements based on a first quantity of ports available to the UE for transmitting the one or more sounding reference signals. The UE may transmit a first sounding reference signal using a second quantity of ports of the first quantity of ports based on the selected port arrangement. Further, the UE may transmit a second sounding reference signal using a third quantity of ports of the first quantity of ports based on the selected port arrangement.
-
2.
公开(公告)号:US20240356588A1
公开(公告)日:2024-10-24
申请号:US18291521
申请日:2021-09-29
Applicant: QUALCOMM Incorporated
Inventor: Kexin XIAO , Hyojin LEE , Yu ZHANG , Yi HUANG , Muhammad Sayed Khairy ABDELGHAFFAR , Runxin WANG , Krishna Kiran MUKKAVILLI
IPC: H04B7/0404 , H04B7/0456
CPC classification number: H04B7/0404 , H04B7/0456
Abstract: Methods, systems, and devices for wireless communications are described. Generally, a user equipment (UE) may communicate on first and second carriers, and may support either two transmit chains or three transmit chains on a second carrier. A base station may configure different sounding reference signal (SRS) resources for different numbers of transmit chains. SRS resources configured with two ports may indicate two transmit chains, and SRS resource configured with three ports may indicate three transmit chains. The base station may indicate an index associated with an SRS resource, and the UE may select (e.g., based on a mapping between the SRS Configuration Information resource index and a number of SRS ports and a number of transmit chains), a corresponding SRS resource, number of ports, number of transmit chains, or any combination thereof. The base station may indicate a number of transmit chains for a given SRS resource based on a PMI index.
-
公开(公告)号:US20240056133A1
公开(公告)日:2024-02-15
申请号:US17819528
申请日:2022-08-12
Applicant: QUALCOMM Incorporated
Inventor: Wei YANG , Jing JIANG , Danlu ZHANG , Gabi SARKIS , Runxin WANG , Hwan Joon KWON , Krishna Kiran MUKKAVILLI , Tingfang JI
IPC: H04B7/0413 , H04L1/00 , H03M13/11 , H04L5/00
CPC classification number: H04B7/0413 , H04L1/0057 , H03M13/1102 , H04L5/0046 , H04L5/0057 , H04L5/001 , H04L1/0003 , H04L1/0009
Abstract: A first device may select a base graph from a plurality of base graphs based on one or more of (a) a decoding complexity of a second device, (b) a device category of the second device, (c) a capability of the second device, (d) a decoder mode of the second device, (e) a receiver complexity of the second device, (f) a receiver mode of the second device, (g) a power consumption of the second device, (h) a power mode of the second device, or (i) an indication from the second device. The first device may output an LDPC coded transmission to the second device based on the selected base graph.
-
公开(公告)号:US20230171067A1
公开(公告)日:2023-06-01
申请号:US17997292
申请日:2021-06-18
Applicant: QUALCOMM INCORPORATED
Inventor: Runxin WANG , Muhammad Sayed Khairy ABDELGHAFFAR , Peter GAAL , Alexandros MANOLAKOS , Seyed Ali Akbar FAKOORIAN , Yu ZHANG , Hwan Joon KWON , Krishna Kiran MUKKAVILLI
IPC: H04L5/00
CPC classification number: H04L5/0051 , H04L5/0096
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration signal indicating one or more reference signal resource sets, the one or more reference signal resource sets comprising at least a first subset of reference signal resources associated with a first reference signal switching configuration and a second subset of reference signal resources associated with a second reference signal switching configuration. The UE may receive a trigger signal activating at least the first reference signal switching configuration or the second reference signal switching configuration. The UE may transmit, based at least in part on the trigger signal, reference signals according to the first subset of reference signal resources or second subset of reference signal resources.
-
公开(公告)号:US20230099158A1
公开(公告)日:2023-03-30
申请号:US17747926
申请日:2022-05-18
Applicant: QUALCOMM Incorporated
Inventor: Runxin WANG , Gokul SRIDHARAN , Hung Dinh LY , Peter GAAL , Sanghoon KIM
Abstract: A method of wireless communication at a user equipment (UE) includes receiving, from a network node, a message indicating slots for transmitting a transport block on a physical uplink shared channel (PUSCH). The method also includes segmenting the transport block into code blocks. The method further includes encoding the code blocks to produce encoded code blocks. Each code block may be encoded at a coding path from a group of coding paths associated with a coding chain. The method still further includes transmitting the encoded code blocks in the slots on the PUSCH.
-
公开(公告)号:US20230079945A1
公开(公告)日:2023-03-16
申请号:US17797392
申请日:2020-04-02
Applicant: QUALCOMM INCORPORATED
Inventor: Alexandros MANOLAKOS , Muhammad Sayed Khairy ABDELGHAFFAR , Gokul SRIDHARAN , Runxin WANG , Yu ZHANG
Abstract: Methods, systems, and devices for wireless communications are described. A user equipment (UE) may receive a configuration signal configuring a collection of reference signal transmissions. The UE may identify a resource overlap between the collection of reference signal transmissions and another resource that is unavailable for reference signal transmissions. The UE may identify one or more transmission properties for the collection of reference signal transmissions. The UE may determine, based at least in part on the one or more transmission properties and the resource overlap, whether to omit one or more of the reference signal transmissions of the collection of reference signal transmissions in the corresponding resource overlap or to delay transmission of the collection of reference signal transmissions. The UE may transmit at least a portion of the collection of reference signal transmissions based at least in part on the determining.
-
公开(公告)号:US20230068489A1
公开(公告)日:2023-03-02
申请号:US17758755
申请日:2020-02-14
Applicant: QUALCOMM INCORPORATED
Inventor: Muhammad Sayed Khairy ABDELGHAFFAR , Alexandros MANOLAKOS , Naga BHUSHAN , Krishna Kiran MUKKAVILLI , Yeliz TOKGOZ , Runxin WANG , Yu ZHANG , Shimman Arvind PATEL , Hwan Joon KWON
Abstract: Methods, systems, and devices for wireless communications are described. A method for wireless communication may include receiving a single frequency networked composite reference signal (SFNed RS) at a first port of a user equipment (UE) and receiving a reference signal (RS) at a second port of the UE that is different than the first port of the UE. The method may also include performing channel estimation for at least one of the first port or the second port based at least in part on receiving the SFNed RS and the RS. A method for wireless communication may include transmitting a first portion of an SFNed RS from a first port of a first transmit/reception point to a UE and transmitting a downlink control information message to the UE that indicates at least one transmission configuration indicator state identifier that identifies the SFNed RS.
-
公开(公告)号:US20220201657A1
公开(公告)日:2022-06-23
申请号:US17652615
申请日:2022-02-25
Applicant: QUALCOMM Incorporated
Inventor: Runxin WANG , Muhammad Sayed Khairy ABDELGHAFFAR , Yu ZHANG
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, configuration information regarding one or more available slots associated with transmitting sounding reference signal (SRS) information. The UE may receive, from the base station, dynamic downlink communication including slot information for determining a select available slot from among the one or more available slots. The UE may transmit, to the base station, the SRS information during the select available slot, determined based at least in part on the slot information and the configuration information. Numerous other aspects are described.
-
公开(公告)号:US20210112498A1
公开(公告)日:2021-04-15
申请号:US17066115
申请日:2020-10-08
Applicant: QUALCOMM Incorporated
Inventor: Weimin DUAN , Alexandros MANOLAKOS , Muhammad Sayed Khairy ABDELGHAFFAR , Pavan Kumar VITTHALADEVUNI , Krishna Kiran MUKKAVILLI , Runxin WANG
IPC: H04W52/02 , H04L5/00 , H04W72/04 , H04B7/0404
Abstract: This disclosure provides methods, devices and systems for channel sounding for wireless communications. Some implementations more specifically relate to scheduling sounding reference signal (SRS) resource sets for wireless devices having more than 4 receive (RX) antenna ports. In some implementations, a base station may determine an antenna switching capability of a user equipment (UE). The antenna switching capability indicates a number of RX antenna ports of the UE. The base station schedules a number of SRS resource sets for the UE based at least in part on the number of RX antenna ports in excess of four. For example, the number of RX antenna ports may be equal to 8. As another example, the number of RX antenna ports may be equal to 6. The base station further receives, from the UE, uplink transmissions of one or more SRS resources for each of the scheduled SRS resource sets.
-
公开(公告)号:US20250088239A1
公开(公告)日:2025-03-13
申请号:US18244871
申请日:2023-09-11
Applicant: QUALCOMM Incorporated
Inventor: Runxin WANG , Yu ZHANG , Jay Kumar SUNDARARAJAN , Taesang YOO
IPC: H04B7/06
Abstract: Certain aspects of the present disclosure provide techniques for wireless communications by an apparatus. A method includes sending signaling indicative of one or more power ratios, wherein each of the one or more power ratios is based on a transmit power for transmitting sounding reference signal (SRS) using a corresponding antenna and a receive power for receiving channel state information reference signal (CSI-RS) using the corresponding antenna, and wherein the one or more power ratios are associated with one or more antennas; sending a first CSI-RS; receiving a first SRS; receiving first channel state feedback (CSF) corresponding to the CSI-RS; and performing channel estimation based on the first CSF and the first SRS.
-
-
-
-
-
-
-
-
-