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    Waveform selection in wireless communications
    1.
    发明授权
    Waveform selection in wireless communications 有权

    公开(公告)号：US12302300B2

    公开(公告)日：2025-05-13

    申请号：US17810432

    申请日：2022-07-01

    Applicant: QUALCOMM Incorporated

    Inventor： Wei Zeng ,  Wanshi Chen ,  Tingfang Ji ,  Peter Gaal

    IPC: H04W72/00 ,  H04L5/00 ,  H04L5/14 ,  H04L27/00 ,  H04L27/26 ,  H04W72/0453 ,  H04W72/23 ,  H04W88/06

    Abstract: Techniques are described that provide for waveform selection for uplink (UL) and/or downlink (DL) wireless transmissions based on one or more factors associated with the wireless transmission, a transmitter that is to transmit the wireless transmission, or combinations thereof. UL and DL transmissions may use one of a number of different waveforms, such as single-carrier waveforms that use a single carrier for information transmission of a wireless channel, and multi-carrier waveforms that use multiple carriers at different frequencies to transmit some of the bits on each channel. Multi-carrier transmission waveforms or single-carrier waveforms may be selected for wireless transmissions based on a bandwidth allocated for the transmissions, a capability of a transmitter that is to transmit the transmissions, or combinations thereof.

    System and method for mapping uplink control information
    3.
    发明授权
    System and method for mapping uplink control information 有权

    公开(公告)号：US11412534B2

    公开(公告)日：2022-08-09

    申请号：US15687388

    申请日：2017-08-25

    Applicant: QUALCOMM Incorporated

    Inventor： Renqiu Wang ,  Hao Xu ,  Wei Zeng ,  Seyong Park ,  Wanshi Chen ,  Peter Gaal ,  Tingfang Ji

    IPC: H04W72/12 ,  H04B7/06 ,  H04L1/18 ,  H04L5/00 ,  H04W52/36 ,  H04W72/04 ,  H04W76/27 ,  H04L1/00

    Abstract: A user equipment (UE) may map a demodulation reference signal (DMRS) sequence to a first symbol in a set of resource blocks (RBs) of an uplink long burst, and the first symbol may occur at the beginning of the uplink long burst. The DMRS sequence may be “front-loaded” in the uplink long burst. The DMRS sequence may be dependent upon RB locations. When the DMRS sequence is mapped to the beginning of an uplink long burst, uplink control information (UCI) may be mapped in a physical uplink shared channel (PUSCH). A UE may map UCI in a PUSCH after the DMRS sequence is mapped to the beginning of the uplink long burst. When the base station receives an uplink long burst including the front-loaded DMRS and the UCI mapped in the PUSCH, the base station may identify the DMRS for channel estimation/interference cancelation of the UCI carried on the PUSCH.

    Devices and methods for facilitating a non-orthogonal underlay in wireless communications systems
    4.
    发明授权
    Devices and methods for facilitating a non-orthogonal underlay in wireless communications systems 有权

    公开(公告)号：US11108493B2

    公开(公告)日：2021-08-31

    申请号：US16521465

    申请日：2019-07-24

    Applicant: QUALCOMM Incorporated

    Inventor： Tingfang Ji ,  John Edward Smee ,  Joseph Binamira Soriaga ,  Naga Bhushan ,  Wei Zeng ,  Krishna Kiran Mukkavilli

    IPC: H04L1/00 ,  H04B1/7107 ,  H04L27/26 ,  H04W72/04

    Abstract: Wireless communication devices are adapted to facilitate non-orthogonal underlay transmissions. In one example, devices can receive a wireless transmission on a particular time and frequency resource including a first signal from a first wireless device and a second signal from a second wireless device. The first signal may utilize a first type of modulation for orthogonal wireless communication, and the second signal may utilize a second type of modulation non-orthogonal to the first type of modulation. The wireless communication device can decode the first and second signals. In another example, devices may transmit a first signal utilizing a first type of modulation over a time and frequency resource scheduled for a second signal from a second wireless communication device, the second signal utilizing a second type of modulation for orthogonal wireless communication, where the first type of modulation is non-orthogonal with the second type of modulation. Other aspects, embodiments, and features are also included.

    Comb interlacing of DFT-spreaded data and reference signals
    7.
    发明授权
    Comb interlacing of DFT-spreaded data and reference signals 有权

    公开(公告)号：US10790944B2

    公开(公告)日：2020-09-29

    申请号：US15711826

    申请日：2017-09-21

    Applicant: QUALCOMM Incorporated

    Inventor： Seyong Park ,  Wei Zeng ,  Yi Huang ,  Renqiu Wang ,  Hao Xu ,  Peter Gaal ,  Wanshi Chen ,  Tingfang Ji

    IPC: H04L5/00 ,  H04L27/26 ,  G06F17/14 ,  H04B7/0452 ,  H04W72/04

    Abstract: Certain aspects of the present disclosure provide techniques for processing reference and data signals for uplink transmission. A method is provided for wireless communications. The method generally includes obtaining different sets of samples for at least one of: a data signal or a reference signal; spreading the different sets of samples for the at least one data signal or reference signal using separate discrete Fourier transform (DFT) processing blocks; interlacing the spreaded sets of samples by assigning the spreaded sets of samples from each of the separate DFT processing blocks to equally spaced tones; and transmitting the at least one data signal or reference signal on the assigned tones in an orthogonal frequency division multiplexed (OFDM) symbol.

    Extension of data transmission from ULRB to ULCB
    8.
    发明授权
    Extension of data transmission from ULRB to ULCB 有权

    公开(公告)号：US10764871B2

    公开(公告)日：2020-09-01

    申请号：US15870771

    申请日：2018-01-12

    Applicant: QUALCOMM Incorporated

    Inventor： Wei Zeng ,  Wanshi Chen ,  Hao Xu ,  Peter Gaal

    IPC: H04W72/04 ,  H04L1/00 ,  H04L5/00 ,  H04B7/0413

    Abstract: At times a UE may have a data transmission that needs to extend beyond a resource grant in an ULRB portion of a slot. The UE may receive resource region reservation information from a base station and determine when to extend an UL transmission from the ULRB portion of a slot into the ULCB portion of the slot based resource region reservation information. The resource region reservation information may indicate ULCB resources which are reserved for PUCCH, PRACH, PUSCH, SRS, or other transmissions. The UE may determine to refrain from extending the data transmission into the ULCB when at least a portion of the data transmission would overlap reserved resources as indicated by the resource region reservation information.

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