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公开(公告)号：US20220247528A1
公开(公告)日：2022-08-04
申请号：US17553597
申请日：2021-12-16
Applicant: QUALCOMM Incorporated
Inventor： Hung Dinh Ly , Gokul Sridharan
Abstract: Methods, systems, and devices for wireless communications are described. Generally, a base station may configure a user equipment (UE) to perform demodulation reference signal (DMRS) enhancement whereby the UE may transmit physical uplink shared channel (PUSCH) or physical uplink control channel (PUCCH) repetitions with different DMRS densities (e.g., a first DMRS density configuration having a first or default DMRS pattern within a transmission time interval (TTI) that is higher than a second DMRS density configuration having fewer DMRSs than the normal DMRS pattern or no DMRSs within the TTI). The UE may identify TTIs (e.g., slots) that satisfy one or more phase continuity rules, and may perform DMRS enhancement in the identified TTIs, and may restart a mapping sequence indicated in the DMRS mapping pattern at each bundle interval boundary or when consecutive uplink symbol periods within a bundling interval do not satisfy a phase continuity condition.
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公开(公告)号：US20220240323A1
公开(公告)日：2022-07-28
申请号：US17648536
申请日：2022-01-20
Applicant: QUALCOMM Incorporated
Inventor： Mahmoud Taherzadeh Boroujeni , Tao Luo , Gokul Sridharan
IPC: H04W74/08
Abstract: Certain aspects of the present disclosure provide techniques for channel repetition. One example method by a user equipment (UE) may include receiving a first indication of one or more first slots that are counted for one or more repetitions of a random access channel (RACH) message and a second indication of a number of the one or more repetitions, each of the repetitions of the RACH message being during a slot available for uplink communication; and transmitting, to a base station, the RACH message and the one or more repetitions in accordance with the first indication and the second indication.
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83.发明申请公开(公告)号：US20220187411A1
公开(公告)日：2022-06-16
申请号：US17688732
申请日：2022-03-07
Applicant: QUALCOMM Incorporated
Inventor： Alexandros MANOLAKOS , Weimin Duan , Gokul Sridharan , Wanshi Chen
Abstract: During positioning of a user equipment (UE), (DL) positioning reference signals (PRS) transmitted by one or more transmission reception point (TRP) in a wireless communication system may be preempted or punctured by higher priority transmissions, such as ultra-reliable low-latency traffic (URLLC). A PRS preemption indication (PI) may be provided to a UE identifying one or more TRPs affected by preemption. The PRS PI may further identify the time domain and frequency domain of the preempted DL PRS transmissions. The PRS PI may identify the time domain, e.g., based on a number of PRS symbols between two monitoring occasions, wherein only PRS symbols that contain positioning reference signals associated with the group of TRPs are counted. The PRS PI may identify the frequency domain by identifying at least one of four or more frequency sub-bands of the preempted DL PRS transmissions.
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公开(公告)号：US11283571B2
公开(公告)日：2022-03-22
申请号：US16949544
申请日：2020-11-03
Applicant: QUALCOMM Incorporated
Inventor： Gokul Sridharan , Alexandros Manolakos , Yi Huang , Wanshi Chen , Wei Yang , Jay Kumar Sundararajan , Krishna Kiran Mukkavilli
IPC: H04L5/00 , H04B7/0456
Abstract: Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may transmit a sounding reference signal (SRS) on a plurality of antenna ports. The UE may transmit the SRS on one or more virtual antenna ports, the one or more virtual antenna ports being based at least in part on the plurality of antenna ports. Numerous other aspects are provided.
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公开(公告)号：US11272459B2
公开(公告)日：2022-03-08
申请号：US17066644
申请日：2020-10-09
Applicant: QUALCOMM Incorporated
Inventor： Yi Huang , Prashanth Haridas Hande , Jay Kumar Sundararajan , Gokul Sridharan , Wei Yang , Wanshi Chen , Krishna Kiran Mukkavilli , Allen Minh-Triet Tran , Joseph Patrick Burke , Naga Bhushan
Abstract: Generally, the described techniques provide for efficiently transmitting uplink signals to a base station using shared antennas associated with different power classes. A first device may be in communications with a base station using local antennas and may identify a second device having auxiliary antennas available for transmitting uplink signals to the base station. The local and auxiliary antennas may be associated with different power classes, and the first device may transmit a message to a base station indicating that the first device is capable of transmitting using antennas associated with different power classes. The first device may then receive configurations from a base station of different transmit powers to transmit on the antennas associated with the different power classes, and the first device may transmit uplink signals to the base station in accordance with the different transmit power configurations.
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Patent Agency Ranking
公开(公告)号：US11239966B2
公开(公告)日：2022-02-01
申请号：US16747473
申请日：2020-01-20
Applicant: QUALCOMM Incorporated
Inventor： Wei Yang , Yi Huang , Gokul Sridharan , Peter Gaal , Xiao Feng Wang , Wanshi Chen , Alexandros Manolakos
Abstract: Wireless communications devices and methods are adapted to facilitate DMRS sequence grouping. In one example, information is obtained for a transmission scheduled with pi/2 BPSK modulation, the transmission including two or more symbols scheduled for a DMRS (DMRS symbols). Respective DMRS sequences may be identified for each of the DMRS symbols, where each DMRS sequence subsequent to another DMRS sequence is dependent on its immediately preceding DMRS sequence, and the transmission may be sent with the identified DMRS sequences in the two or more DMRS symbols. In one example, a first transmission may be sent to schedule a second transmission from another device with pi/2 BPSK modulation, where the second transmission includes two or more DMRS symbols. The scheduled second transmission may be received with at least one DMRS symbol including a DMRS sequence based on its immediately preceding DMRS sequence. Other aspects, embodiments, and features are also included.
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87.发明授权公开(公告)号：US11191033B2
公开(公告)日：2021-11-30
申请号：US16530744
申请日：2019-08-02
Applicant: QUALCOMM Incorporated
Inventor： Gokul Sridharan , Yi Huang , Xiao Feng Wang , Peter Gaal , Jay Kumar Sundararajan , Wanshi Chen , Wei Yang
Abstract: Certain aspects of the present disclosure provide techniques for scaling transmission power across transmit chains for physical uplink shared channel (PUSCH) transmissions. In some cases, a UE may determine a transmit power budget, receiving signaling indicating how to allocate the transmit power budget across transmit chains for a physical uplink shared channel (PUSCH) transmission, allocate the transmit power budget across transmit chains for a physical uplink shared channel (PUSCH) transmission, and transmitting the PUSCH using the transmit chains according to the determined transmit power allocation.
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公开(公告)号：US20210344535A1
公开(公告)日：2021-11-04
申请号：US17185644
申请日：2021-02-25
Applicant: QUALCOMM Incorporated
Inventor： Gokul Sridharan , Saeid Sahraei , June Namgoong , Peter Gaal , Krishna Kiran Mukkavilli , Tingfang Ji , Wei Yang
Abstract: Techniques for peak-to-average power ratio (PAPR) reduction are described. Wireless devices may provide signaling with respect to one or more PAPR shaping resources. For example, a wireless device may provide signaling of PAPR shaping capability information. PAPR shaping capability information may include information regarding one or more PAPR shaping resources the wireless device has a capability to implement. Additionally or alternatively, a wireless device may provide signaling of PAPR shaping information. PAPR shaping information may include information regarding shaping the signal by a wireless device prior to transmission in a communication link by implementing one or more PAPR shaping resources. Other aspects and features are also claimed and described.
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公开(公告)号：US20210314203A1
公开(公告)日：2021-10-07
申请号：US17347192
申请日：2021-06-14
Applicant: QUALCOMM Incorporated
Inventor： Wei Yang , Yi Huang , Seyong Park , Gokul Sridharan , Peter Gaal , Alexandros Manolakos , Xiao Feng Wang , Tingfang Ji
Abstract: Methods, systems, and devices for wireless communications are described. A device (e.g., a base station or a user equipment (UE)) may identify a sequence length corresponding to a number of resource blocks, and select a modulation scheme based on the sequence length. The device may select, from a set of sequences associated with the modulation scheme, a sequence having the sequence length. In some examples, the set of sequences may include at least one of a set of time domain phase shift keying computer-generated sequences or a set of frequency domain phase shift keying computer-generated sequences. The device may generate a reference signal for a data transmission based on the sequence and transmit the reference signal within the number of resource blocks.
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90.发明申请公开(公告)号：US20210306122A1
公开(公告)日：2021-09-30
申请号：US17210133
申请日：2021-03-23
Applicant: QUALCOMM Incorporated
Inventor： Alexandros Manolakos , Gokul Sridharan , Seyedkianoush Hosseini
Abstract: Wireless communication techniques leveraging DMRS sharing patterns are disclosed. A method of wireless communication includes receiving, by a user equipment (UE) device, control information. The control information indicates mapping of uplink transmission parameters to one or more demodulation reference signal (DMRS) sharing patterns. The method further includes sending an uplink transmission to a base station in accordance with a DMRS sharing pattern. The DMRS sharing pattern is selected from among the one or more DMRS sharing patterns based on one or more parameters of the uplink transmission. Other aspects and features are also claimed and described.
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