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    EMBEDDED WAKE-UP SIGNALING
    93.
    发明申请
    EMBEDDED WAKE-UP SIGNALING 有权
    嵌入式唤醒信号

    公开(公告)号：US20160373237A1

    公开(公告)日：2016-12-22

    申请号：US15017500

    申请日：2016-02-05

    Applicant: QUALCOMM Incorporated

    Inventor： Stephen Jay Shellhammer ,  Peter Pui Lok Ang ,  Joseph Patrick Burke ,  Tingfang Ji ,  Cong Nguyen ,  Joseph Binamira Soriaga

    IPC: H04L7/00 ,  H04L7/04 ,  H04L27/04 ,  H04L5/00 ,  H04W40/00

    CPC classification number: H04L7/0012 ,  H04L5/0007 ,  H04L5/0053 ,  H04L7/043 ,  H04L27/0008 ,  H04L27/04 ,  H04L27/2613 ,  H04L27/2655 ,  H04L27/2675 ,  H04L27/2692 ,  H04W40/005 ,  H04W52/0229 ,  H04W52/0283 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/164 ,  Y02D70/21

    Abstract: When embedding a signal into a selected subcarrier of a multicarrier downlink waveform of regular data/control signaling, a base station modulates the embedded signal with a different modulation scheme than the other data in the downlink waveform. The base station nulls adjacent subcarriers to minimize interference at a low-power wake-up receiver of an IOE device(s). The IOE device wakes up the low-power wake-up receiver at scheduled times to listen for the signal. For synchronization signals, the IOE device corrects a local clock based on a correlation value of the signal to a predetermined sequence. For wake-up signals, the IOE device correlates whatever is detected at the antenna to a predetermined sequence and compares the correlation value to a predetermined threshold. If the threshold is met, the IOE device registers a wake-up signal and wakes the primary transceiver of the device. If not, the receiver goes back to sleep.

    Abstract translation: 当将信号嵌入到常规数据/控制信令的多载波下行链路波形的选定子载波中时，基站以与下行链路波形中的其他数据不同的调制方式来调制嵌入信号。 基站使相邻子载波无效以最小化在IOE设备的低功率唤醒接收机处的干扰。 IOE设备在预定时间唤醒低功耗唤醒接收器以监听信号。 对于同步信号，IOE设备基于信号的相关值到预定的序列来校正本地时钟。 对于唤醒信号，IOE设备将在天线处检测到的任何内容与预定序列相关，并将相关值与预定阈值进行比较。 如果满足阈值，IOE设备将注册唤醒信号并唤醒设备的主收发器。 如果没有，接收机返回睡眠状态。

    PHY FOR ULTRA-LOW POWER WIRELESS RECEIVER
    94.
    发明申请
    PHY FOR ULTRA-LOW POWER WIRELESS RECEIVER 审中-公开
    超低功耗无线接收器PHY

    公开(公告)号：US20160278013A1

    公开(公告)日：2016-09-22

    申请号：US15073519

    申请日：2016-03-17

    Applicant: QUALCOMM Incorporated

    Inventor： Stephen Jay Shellhammer ,  Bin Tian ,  Sameer Vermani ,  Scott Hooten

    IPC: H04W52/02 ,  H04W52/52 ,  H04W84/12

    CPC classification number: H04W52/0225 ,  H03G5/165 ,  H04B1/3805 ,  H04W52/0229 ,  H04W52/028 ,  H04W52/52 ,  H04W74/08 ,  H04W84/12 ,  Y02D70/10 ,  Y02D70/1262 ,  Y02D70/14 ,  Y02D70/142 ,  Y02D70/21 ,  Y02D70/22

    Abstract: Methods, systems, and devices are described for wireless communication at a wireless device. An access point (AP) may identify a pending communication for a wireless device and transmit a wakeup message comprising a device specific sequence to a companion radio of the device. The device may receive the wakeup message using the companion radio, decode the message to obtain a device specific sequence, and activate a primary radio. The wakeup message may include a preamble, a signal field, and a data field. In some cases, the wireless device may demodulate the wakeup message using ON-OFF keying (OOK) modulation. The AP and the device may then exchange data using the primary radio.

    Abstract translation: 描述了在无线设备处的无线通信的方法，系统和设备。 接入点（AP）可以识别无线设备的未决通信，并将包括设备特定序列的唤醒消息发送到设备的伴随无线电设备。 设备可以使用伴随的无线电接收唤醒消息，解码消息以获得设备特定的序列，并激活主要无线电。 唤醒消息可以包括前导码，信号字段和数据字段。 在某些情况下，无线设备可以使用ON-OFF键控（OOK）调制解调唤醒消息。 然后，AP和设备可以使用主要无线电来交换数据。

    LOW POWER SYNCHRONIZATION IN A WIRELESS COMMUNICATION NETWORK
    95.
    发明申请
    LOW POWER SYNCHRONIZATION IN A WIRELESS COMMUNICATION NETWORK 有权
    无线通信网络中的低功耗同步

    公开(公告)号：US20160150474A1

    公开(公告)日：2016-05-26

    申请号：US14793175

    申请日：2015-07-07

    Applicant: QUALCOMM Incorporated

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

    IPC: H04W52/02 ,  H04W56/00

    CPC classification number: H04W52/0216 ,  H04W52/0293 ,  H04W56/001 ,  Y02D70/00 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/1264 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/162 ,  Y02D70/22 ,  Y02D70/26

    Abstract: Some aspects of the present disclosure provide for methods, apparatus, and computer software for low-power synchronization of wireless communication devices. In one example, an asynchronous code division multiple access (CDMA) channel may be utilized for uplink communication. By utilizing asynchronous CDMA on the uplink, synchronization requirements are relaxed relative to other forms of communication. Accordingly, a synchronization period after coming out of a sleep state can be short, reducing power consumption during re-synchronization. In another example, a low-power companion receiver, rather than the full-power WWAN receiver, may be utilized to acquire a sync signal while the device is in its sleep state. Once synchronism is achieved via the low-power companion receiver, the full-power radio may power up and perform communication with the network. By shifting the synchronization from the full-power radio to the low-power companion radio, power consumption during re-synchronization can be achieved.

    Abstract translation: 本公开的一些方面提供了用于无线通信设备的低功率同步的方法，装置和计算机软件。 在一个示例中，异步码分多址（CDMA）信道可用于上行链路通信。 通过在上行链路上利用异步CDMA，相对于其他形式的通信，同步要求是放宽的。 因此，从睡眠状态出来之后的同步时间可能很短，从而减少了重新同步期间的功耗。 在另一示例中，低功率配套接收机而不是全功率WWAN接收机可用于在设备处于其睡眠状态时获取同步信号。 一旦通过低功率配套接收器实现同步，全功率无线电可以加电并与网络进行通信。 通过将同步从全功率无线电转移到低功率配套无线电，可以实现重新同步期间的功耗。

    Frame scheduling for channel bonding
    96.
    发明授权
    Frame scheduling for channel bonding 有权
    通道绑定的帧调度

    公开(公告)号：US09130890B2

    公开(公告)日：2015-09-08

    申请号：US14047766

    申请日：2013-10-07

    Applicant: QUALCOMM Incorporated

    Inventor： Stephen Jay Shellhammer ,  Patrick Stupar ,  Andrea Garavaglia

    IPC: H04B10/50 ,  H04L12/911 ,  H04L5/00 ,  H04L25/05 ,  H04Q11/00

    CPC classification number: H04L47/828 ,  H04L1/0041 ,  H04L5/0007 ,  H04L5/0046 ,  H04L12/413 ,  H04L12/46 ,  H04L25/05 ,  H04L2001/0096 ,  H04Q11/0067

    Abstract: In a method of scheduling frames, a first channel of a plurality of channels is selected for a first frame. The first frame is sent across a media-independent interface to a physical-layer device for transmission on the first channel. A data rate of the media-independent interface is greater than a data rate of the physical-layer device for the first channel. After the first frame is sent across the media-independent interface, subsequent sending of frames for the first channel across the media-independent interface is disabled for a period of time that is based at least in part on rate adaption from the data rate of the media-independent interface to the data rate of the physical-layer device for the first channel.

    Abstract translation: 在调度帧的方法中，为第一帧选择多个信道的第一信道。 第一帧通过媒体独立接口发送到物理层设备，以在第一信道上传输。 媒体无关接口的数据速率大于第一通道的物理层设备的数据速率。 在通过媒体独立接口发送第一帧之后，在与媒体无关的接口上的第一信道的帧的后续发送被禁用一段时间，该时间段至少部分地基于从数据速率 与媒体无关的接口，用于第一通道物理层设备的数据速率。

    Techniques for wide bandwidth positioning in a wireless local area network
    97.
    发明授权
    Techniques for wide bandwidth positioning in a wireless local area network 有权

    公开(公告)号：US12267709B2

    公开(公告)日：2025-04-01

    申请号：US17722197

    申请日：2022-04-15

    Applicant: QUALCOMM Incorporated

    Inventor： Yanjun Sun ,  Alireza Raissinia ,  Stephen Jay Shellhammer ,  Xiaoxin Zhang ,  George Cherian ,  Alfred Asterjadhi ,  Abhishek Pramod Patil

    IPC: H04W24/08

    Abstract: Methods, systems, and devices for wireless communications are described. In some aspects, two devices may support signaling and messaging designs that support bandwidths that are greater than 160 MHz for ranging null data packets (NDPs). For example, various signaling and messaging designs may support a use of a 320 MHz bandwidth for ranging NDPs as part of a ranging measurement procedure, which may offer greater resolution than narrower bandwidths. The signaling and messaging designs may include one or more updates for a null data packet announcement (NDPA) frame, for a trigger frame, for session negation messages (such as one or both of an initial fine timing measurement (IFTM) frame and an IFTM request (IFTMR) frame), for segmentation techniques for ranging NDPs, or for any combination thereof.

    Secure long training field (LTF)
    98.
    发明授权
    Secure long training field (LTF) 有权

    公开(公告)号：US12250105B2

    公开(公告)日：2025-03-11

    申请号：US18390180

    申请日：2023-12-20

    Applicant: QUALCOMM Incorporated

    Inventor： Stephen Jay Shellhammer ,  Bin Tian ,  Alireza Raissinia ,  Youhan Kim

    IPC: H04L27/26 ,  H04B7/0452 ,  H04L5/00

    Abstract: This disclosure provides methods, devices and systems for generating a secure long training field (LTF). In some implementations, the secure LTF may include a randomized bit sequence that is difficult, if not impossible, to replicate by any device other than the transmitting device and the intended receiving device. For example, the transmitting device may use a block cipher or stream cipher to generate a pseudorandom bit sequence and may select a subset of bits of the pseudorandom bit sequence to be mapped to a sequence of modulation symbols representing an LTF symbol of the secure LTF. More specifically, each of the modulation symbols is mapped to a respective one of a number of subcarriers spanning a bandwidth of the secure LTF. The transmitting device may further transmit a physical layer convergence protocol (PLCP) protocol data unit (PPDU) that includes the secure LTF to the receiving device.

    Resource unit (RU) downsizing
    99.
    发明授权
    Resource unit (RU) downsizing 有权

    公开(公告)号：US12207133B2

    公开(公告)日：2025-01-21

    申请号：US18316543

    申请日：2023-05-12

    Applicant: QUALCOMM Incorporated

    Inventor： Stephen Jay Shellhammer ,  Bin Tian

    IPC: H04W28/06 ,  H04W28/02 ,  H04W72/0453 ,  H04W80/02

    Abstract: This disclosure provides methods, devices and systems for soliciting trigger-based (TB) physical layer protocol convergence protocol (PLCP) protocol data units (PPDUs). Some implementations more specifically relate to trigger frame and PPDU designs that support RU downsizing. For example, an access point (AP) may transmit a trigger frame soliciting a TB PPDU from a wireless station (STA). In some aspects, the trigger frame may carry RU allocation information indicating the allocated RU or MRU (associated with a wireless medium) and downsizing information indicating whether downsizing of the RU or MRU is permitted. If interference is detected in a portion of the wireless medium, and downsizing is permitted, the STA may transmit the TB PPDU on a downsized RU or MRU. The downsized RU or MRU includes a subset of the tones in the RU or MRU allocated by the trigger frame.

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