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    TV White Space Database Assisted Locationing For TV Band Devices
    21.
    发明申请
    TV White Space Database Assisted Locationing For TV Band Devices 有权
    电视白空间数据库辅助电视频带设备定位

    公开(公告)号：US20140113670A1

    公开(公告)日：2014-04-24

    申请号：US13657812

    申请日：2012-10-22

    Applicant: QUALCOMM INCORPORATED

    Inventor： Tevfik Yucek

    IPC: H04W48/16

    CPC classification number: H04W48/16 ,  H04W16/14 ,  H04W64/003

    Abstract: A method and system for obtaining an available white space channel for wireless communication using a white space device (WSD) are described. The WSD scans signals of TV transmitters, determines the received signal strength (RSSI) for those signals, and records TV data, including TV designations and corresponding RSSIs, for signals that exceed a predetermined threshold. The WSD sends TV data for at least three TV transmitters to an enhanced TV white space database (EnTVDB). The EnTVDB uses the TV data and information in its database to determine the geo-coordinates of the WSD. The EnTVDB uses the geo-coordinates of the WSD to identify available white space. The EnTVDB sends at least one channel of available white space to the white space device for its wireless communication.

    Abstract translation: 描述了使用白空间设备（WSD）获得用于无线通信的可用空白信道的方法和系统。 WSD扫描电视发射机的信号，确定这些信号的接收信号强度（RSSI），并记录电视数据，包括电视名称和对应的RSSI，用于超过预定阈值的信号。 WSD将至少三台电视发射机的电视数据发送到增强型电视空白数据库（EnTVDB）。 EnTVDB使用其数据库中的电视数据和信息来确定WSD的地理坐标。 EnTVDB使用WSD的地理坐标来标识可用的空白空间。 EnTVDB向白空间设备发送至少一个可用空白信道，用于其无线通信。

    ELEVATION ESTIMATION FOR DETERMINING OPERATING CHANNELS AND TRANSMISSION PARAMETERS
    24.
    发明公开
    ELEVATION ESTIMATION FOR DETERMINING OPERATING CHANNELS AND TRANSMISSION PARAMETERS 审中-公开

    公开(公告)号：US20240155549A1

    公开(公告)日：2024-05-09

    申请号：US18053715

    申请日：2022-11-08

    Applicant: QUALCOMM Incorporated

    Inventor： Ahmed Owais Qureshi ,  Tevfik Yucek ,  Vincent Knowles Jones ,  Matthew Tornquist ,  Zhiqun LIU

    IPC: H04W64/00 ,  H04W52/28

    CPC classification number: H04W64/006 ,  H04W52/28

    Abstract: This disclosure provides methods, components, devices and systems for wireless communications. Some aspects more specifically relate to elevation estimation for determining operating channels and transmission parameters. A wireless communication device, such as a cloud service, may receive geolocation information of an access point (AP). Additionally, or alternatively, the wireless communication device may receive air pressure and temperature information of the AP. Using the geolocation information and building datasets including locations and heights of buildings surrounding the AP, the wireless communication device may identify a highest building and based on its, height estimate an elevation of the AP. Based on the estimated building height and elevation, the wireless communication device may determine a set of transmission parameters for the AP and transmit an indication of the set to the AP.

    PHYSICAL LAYER (PHY) PACKET DESIGN FOR POWER SPECTRAL DENSITY (PSD) LIMITS
    25.
    发明申请
    PHYSICAL LAYER (PHY) PACKET DESIGN FOR POWER SPECTRAL DENSITY (PSD) LIMITS 有权

    公开(公告)号：US20210289500A1

    公开(公告)日：2021-09-16

    申请号：US17196247

    申请日：2021-03-09

    Applicant: QUALCOMM Incorporated

    Inventor： Lin Yang ,  Jialing Li Chen ,  Sameer Vermani ,  Bin Tian ,  Youhan Kim ,  Vincent Knowles Jones, IV ,  Tevfik Yucek

    IPC: H04W72/04 ,  H04W52/36

    Abstract: This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for physical layer (PHY) packet design for power spectral density (PSD) limits. In some implementations, a wireless communication device generates a plurality of PHY convergence protocol (PLCP) protocol data unit (PPDU) duplicates configured for transmission over a selected bandwidth, and transmits each PPDU duplicate of the plurality of PPDU duplicates on a corresponding frequency subband of a plurality of different frequency subbands. In some other implementations, the wireless communication device generates a PPDU for transmission over a set of duplicated resource units (RUs) allocated to the wireless communication device, and transmits the PPDU over the allocated set of duplicated RUs.

    Cross-band rate adaption
    27.
    发明授权
    Cross-band rate adaption 有权
    跨频率适应

    公开(公告)号：US09538535B2

    公开(公告)日：2017-01-03

    申请号：US14708743

    申请日：2015-05-11

    Applicant: QUALCOMM Incorporated

    Inventor： Xiaolong Huang ,  Tevfik Yucek ,  Srinivas Katar

    IPC: H04W4/00 ,  H04B7/216 ,  H04W72/04 ,  H04W24/02 ,  H04W84/12

    CPC classification number: H04W72/0453 ,  H04L1/0003 ,  H04W24/02 ,  H04W36/06 ,  H04W36/30 ,  H04W84/12 ,  H04W88/06

    Abstract: A system and method are disclosed that may allow a STA to selectively change frequency bands from an operating band to a candidate band based on operating conditions. In response to determining that a channel condition is within a band switch region associated with a candidate band, the STA may select the candidate band and temporarily switch to it. The STA may select an initial modulation and coding scheme for the candidate band and probe the candidate band with data to determine an estimate of candidate band goodput. If the estimate of candidate band goodput is greater than the operating band goodput, the STA may switch to the candidate band.

    Abstract translation: 公开了一种系统和方法，其可以允许STA基于操作条件选择性地将频带从工作频带改变到候选频带。 响应于确定信道条件在与候选频带相关联的频带切换区域内，STA可以选择候选频段并暂时切换到它。 STA可以选择用于候选频带的初始调制和编码方案，并用数据探测候选频带以确定候选频带有效输出的估计。 如果候选频带的吞吐量的估计大于工作频带的吞吐量，则STA可以切换到候选频带。

    CROSS-BAND RATE ADAPTION
    28.
    发明申请
    CROSS-BAND RATE ADAPTION 有权
    跨带速率自适应

    公开(公告)号：US20160338059A1

    公开(公告)日：2016-11-17

    申请号：US14708743

    申请日：2015-05-11

    Applicant: QUALCOMM Incorporated

    Inventor： Xiaolong Huang ,  Tevfik Yucek ,  Srinivas Katar

    IPC: H04W72/04 ,  H04W24/02

    CPC classification number: H04W72/0453 ,  H04L1/0003 ,  H04W24/02 ,  H04W36/06 ,  H04W36/30 ,  H04W84/12 ,  H04W88/06

    Abstract: A system and method are disclosed that may allow a STA to selectively change frequency bands from an operating band to a candidate band based on operating conditions. In response to determining that a channel condition is within a band switch region associated with a candidate band, the STA may select the candidate band and temporarily switch to it. The STA may select an initial modulation and coding scheme for the candidate band and probe the candidate band with data to determine an estimate of candidate band goodput. If the estimate of candidate band goodput is greater than the operating band goodput, the STA may switch to the candidate band.

    Abstract translation: 公开了一种系统和方法，其可以允许STA基于操作条件选择性地将频带从工作频带改变到候选频带。 响应于确定信道条件在与候选频带相关联的频带切换区域内，STA可以选择候选频段并暂时切换到它。 STA可以选择用于候选频带的初始调制和编码方案，并用数据探测候选频带以确定候选频带有效输出的估计。 如果候选频带的吞吐量的估计大于工作频带的吞吐量，则STA可以切换到候选频带。

    Television high throughput communication
    29.
    发明授权
    Television high throughput communication 有权
    电视高吞吐量通信

    公开(公告)号：US09386581B2

    公开(公告)日：2016-07-05

    申请号：US13831304

    申请日：2013-03-14

    Applicant: Qualcomm Incorporated

    Inventor： Tevfik Yucek

    IPC: H04W16/14 ,  H04W74/08 ,  H04W72/04 ,  H04W74/00

    CPC classification number: H04W72/0453 ,  H04W16/14 ,  H04W74/002 ,  H04W74/0808

    Abstract: Systems and methods of performing communication via television high throughput (TVHT) bandwidth channels are disclosed. Values of one or more physical layer parameters for use in communication via TVHT parameters are also defined. A short inter-frame spacing (SIFS) time is 120 microseconds (μs) for a 6 megahertz (MHz) or a 7 MHz bandwidth channel, and is 90 μs for an 8 MHz bandwidth channel. The parameters also include a clear channel assessment (CCA) time of 15 μs for a 6 MHz or 7 MHz bandwidth channel and 11.25 μs for an 8 MHz bandwidth channel. Additional parameters, such as compliance with a spectral flatness constraint, transmit center frequency tolerance, symbol clock frequency tolerance, transmitter center frequency leakage, transmitter constellation error, and non-HT duplicate transmission are also defined (e.g., for inclusion into a standard, such as Institute of Electrical and Electronics Engineers (IEEE) 802.11af).

    Abstract translation: 公开了通过电视高吞吐量（TVHT）带宽信道进行通信的系统和方法。 还定义了通过TVHT参数进行通信的一个或多个物理层参数的值。 对于6兆赫（MHz）或7 MHz带宽信道，短帧间距（SIFS）时间为120微秒（μs），对于8 MHz带宽信道，时间间隔为90μs。 这些参数还包括针对6 MHz或7 MHz带宽通道的清晰通道评估（CCA）时间为15μs，8 MHz带宽通道为11.25μs。 还定义了附加参数，例如符合光谱平坦度约束，发射中心频率容限，符号时钟频率容限，发射机中心频率泄漏，发射机星座误差和非HT重复传输（例如，为了包含在标准中 作为电气和电子工程师协会（IEEE）802.11af）。

    TELEVISION HIGH THROUGHPUT COMMUNICATION
    30.
    发明申请
    TELEVISION HIGH THROUGHPUT COMMUNICATION 有权
    电视高速通信

    公开(公告)号：US20130336239A1

    公开(公告)日：2013-12-19

    申请号：US13831304

    申请日：2013-03-14

    Applicant: QUALCOMM INCORPORATED

    Inventor： Tevfik Yucek

    IPC: H04W72/04

    CPC classification number: H04W72/0453 ,  H04W16/14 ,  H04W74/002 ,  H04W74/0808

    Abstract: Systems and methods of performing communication via television high throughput (TVHT) bandwidth channels are disclosed. Values of one or more physical layer parameters for use in communication via TVHT parameters are also defined. A short inter-frame spacing (SIFS) time is 120 microseconds (μs) for a 6 megahertz (MHz) or a 7 MHz bandwidth channel, and is 90 μs for an 8 MHz bandwidth channel. The parameters also include a clear channel assessment (CCA) time of 15 μs for a 6 MHz or 7 MHz bandwidth channel and 11.25 μs for an 8 MHz bandwidth channel. Additional parameters, such as compliance with a spectral flatness constraint, transmit center frequency tolerance, symbol clock frequency tolerance, transmitter center frequency leakage, transmitter constellation error, and non-HT duplicate transmission are also defined (e.g., for inclusion into a standard, such as Institute of Electrical and Electronics Engineers (IEEE) 802.11af).

    Abstract translation: 公开了通过电视高吞吐量（TVHT）带宽信道进行通信的系统和方法。 还定义了通过TVHT参数进行通信的一个或多个物理层参数的值。 对于6兆赫（MHz）或7 MHz带宽通道，短帧间距（SIFS）时间为120微秒（mus），对于8 MHz带宽信道为90微秒。 这些参数还包括6 MHz或7 MHz带宽通道的清晰通道评估（CCA）时间为15 mus，8 MHz带宽通道为11.25 mus。 还定义了附加参数，例如符合光谱平坦度约束，发射中心频率容限，符号时钟频率容限，发射机中心频率泄漏，发射机星座误差和非HT重复传输（例如，为了包含在标准中 作为电气和电子工程师协会（IEEE）802.11af）。

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