中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

11 records (took 0.014 seconds)

    Method And System For Dynamic AMPDU Duration Control In A Wireless Communication System
    1.
    发明申请
    Method And System For Dynamic AMPDU Duration Control In A Wireless Communication System 有权
    无线通信系统中动态AMPDU持续时间控制的方法与系统

    公开(公告)号：US20140219110A1

    公开(公告)日：2014-08-07

    申请号：US13762338

    申请日：2013-02-07

    Applicant: QUALCOMM INCORPORATED

    Inventor： Shu Du ,  Zhanfeng Jia ,  Ning Zhang ,  Chin-Hung Chen ,  James S. Cho ,  Rahul Tandra ,  Qinghai Gao

    IPC: H04W24/02

    CPC classification number: H04W24/02 ,  H04B7/0452 ,  H04L1/0007

    Abstract: A method of providing aggregated MAC protocol data unit (AMPDU) duration control in a wireless communication device includes setting an AMPDU duration. Pass/fail statistics are collected for each MPDU of an AMPDU in a time window, W. A packet error rate (PER) difference is calculated between first and last sets of MPDUs for each AMPDU in the window. An average PER difference is calculated across all AMPDUs in the window. When the average PER difference is greater than a first threshold, then the AMPDU duration is decreased. When the difference is less than a second threshold, then the AMPDU duration is increased. When the difference is within the first and the second thresholds, then the method returns to the step of collecting for a next time window. The AMPDU duration can also be adjusted based on detected Doppler and line-of-sight transmissions.

    Abstract translation: 在无线通信设备中提供聚合MAC协议数据单元（AMPDU）持续时间控制的方法包括设置AMPDU持续时间。 在时间窗口W中收集AMPDU的每个MPDU的通过/失败统计信息。在窗口中的每个AMPDU的第一组和最后一组MPDU之间计算分组错误率（PER）差异。 在窗口中的所有AMPDU之间计算平均PER差异。 当平均PER差大于第一阈值时，AMPDU持续时间减小。 当差值小于第二阈值时，AMPDU持续时间增加。 当差异在第一和第二阈值内时，该方法返回到下一个时间窗口的收集步骤。 AMPDU持续时间也可以根据检测到的多普勒和视线传输进行调整。

    Transmitter warm-up using dummy frame generation
    2.
    发明授权
    Transmitter warm-up using dummy frame generation 有权
    发射机预热使用虚拟帧生成

    公开(公告)号：US09055590B2

    公开(公告)日：2015-06-09

    申请号：US13718724

    申请日：2012-12-18

    Applicant: QUALCOMM Incorporated

    Inventor： Ahmed H. Hassan ,  Kai Shi ,  John Thomson ,  Tao-Fei S. Ng ,  Sankara S. Venkateswaran ,  James S. Cho

    IPC: H04B1/44 ,  H04W74/08 ,  H04B1/04 ,  H04L12/751 ,  H04L25/02 ,  H04L29/08 ,  H04L1/00

    CPC classification number: H04W74/0808 ,  H04B1/0475 ,  H04L1/0008 ,  H04L25/0218 ,  H04L29/08612 ,  H04L45/026

    Abstract: An electronic device includes a medium access controller (MAC) to generate frames and transmitter circuitry to convert the frames to radio-frequency (RF) analog signals for transmission. The MAC is to initiate frame generation at a time that precedes initiation of RF analog signal transmission by a specified time period. In a first mode, the MAC is to generate a dummy frame during a first portion of the specified time period and to initiate generation of a transmit frame during a subsequent second portion of the specified time period. Also in the first mode, the transmitter circuitry is to convert the dummy frame into a first analog signal, discard the first analog signal, convert the transmit frame into a second analog signal, and transmit the second analog signal.

    Abstract translation: 电子设备包括用于产生帧和传输器电路的介质访问控制器（MAC），以将帧转换成用于传输的射频（RF）模拟信号。 MAC将在RF模拟信号传输开始之前的某个时间启动帧生成指定的时间段。 在第一模式中，MAC在指定时间周期的第一部分期间生成虚拟帧，并且在指定时间段的后续第二部分期间开始生成发送帧。 同样在第一模式中，发射机电路将虚拟帧转换为第一模拟信号，丢弃第一模拟信号，将发送帧转换为第二模拟信号，并发送第二模拟信号。

    Method and system for dual-mode rate control in a wireless communication system
    3.
    发明授权
    Method and system for dual-mode rate control in a wireless communication system 有权
    无线通信系统中双模速率控制的方法和系统

    公开(公告)号：US09055459B2

    公开(公告)日：2015-06-09

    申请号：US13762342

    申请日：2013-02-07

    Applicant: QUALCOMM Incorporated

    Inventor： Shu Du ,  Zhanfeng Jia ,  Ning Zhang ,  James S. Cho ,  Qinghai Gao ,  Rahul Tandra

    IPC: H04W24/02 ,  H04B7/04 ,  H04L1/00

    CPC classification number: H04W24/02 ,  H04B7/0452 ,  H04L1/0002 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0015 ,  H04L1/0019 ,  H04L1/0033 ,  H04L1/06 ,  Y02D50/10

    Abstract: A method of performing dual-mode rate control for an access point in a wireless communication system includes a single-user mode of operation and a multi-user mode of operation. In the single-user mode, a basic rate for a station is determined based on channel conditions. In the multi-user mode, a rate for a plurality of stations is determined using tracking. The tracking includes performing a sounding for the plurality of stations. An initial multi-user current rate is then set equal to a function of a number of users and the basic rate. A transmission is sent to the plurality of stations using the current rate. A packet error rate (PER) is detected during transmission to the plurality of stations. The current rate is adjusted based on the PER. After rate adjustment, either sounding is triggered or the method returns to sending a transmission using the current rate.

    Abstract translation: 对无线通信系统中的接入点进行双模速率控制的方法包括单用户操作模式和多用户操作模式。 在单用户模式中，基于信道条件确定站的基本速率。 在多用户模式中，使用跟踪确定多个站的速率。 跟踪包括对多个站执行探测。 然后将初始多用户当前速率设置为等于用户数和基本速率的函数。 使用当前速率向多个站发送传输。 在传输到多个站期间检测到分组错误率（PER）。 当前费率根据PER进行调整。 速率调整后，触发声音或方法返回使用当前速率发送传输。

    TRANSMITTER WARM-UP USING DUMMY FRAME GENERATION
    4.
    发明申请
    TRANSMITTER WARM-UP USING DUMMY FRAME GENERATION 有权
    发射机使用DUMMY FRAME生成进行加热

    公开(公告)号：US20140169348A1

    公开(公告)日：2014-06-19

    申请号：US13718724

    申请日：2012-12-18

    Applicant: QUALCOMM INCORPORATED

    Inventor： Ahmed H. Hassan ,  Kai Shi ,  John Thomson ,  Tao-Fei S. Ng ,  Sankara S. Venkateswaran ,  James S. Cho

    IPC: H04W74/08 ,  H04B1/04

    CPC classification number: H04W74/0808 ,  H04B1/0475 ,  H04L1/0008 ,  H04L25/0218 ,  H04L29/08612 ,  H04L45/026

    Abstract: An electronic device includes a medium access controller (MAC) to generate frames and transmitter circuitry to convert the frames to radio-frequency (RF) analog signals for transmission. The MAC is to initiate frame generation at a time that precedes initiation of RF analog signal transmission by a specified time period. In a first mode, the MAC is to generate a dummy frame during a first portion of the specified time period and to initiate generation of a transmit frame during a subsequent second portion of the specified time period. Also in the first mode, the transmitter circuitry is to convert the dummy frame into a first analog signal, discard the first analog signal, convert the transmit frame into a second analog signal, and transmit the second analog signal.

    Abstract translation: 电子设备包括用于产生帧和传输器电路的介质访问控制器（MAC），以将帧转换成用于传输的射频（RF）模拟信号。 MAC将在RF模拟信号传输开始之前的某个时间启动帧生成指定的时间段。 在第一模式中，MAC在指定时间周期的第一部分期间生成虚拟帧，并且在指定时间段的后续第二部分期间开始生成发送帧。 同样在第一模式中，发射机电路将虚拟帧转换为第一模拟信号，丢弃第一模拟信号，将发送帧转换为第二模拟信号，并发送第二模拟信号。

    Systems and methods for scheduling SU and MU MIMO traffic
    6.
    发明授权
    Systems and methods for scheduling SU and MU MIMO traffic 有权
    用于调度SU和MU MIMO业务的系统和方法

    公开(公告)号：US09130614B2

    公开(公告)日：2015-09-08

    申请号：US13830881

    申请日：2013-03-14

    Applicant: QUALCOMM Incorporated

    Inventor： Qinghai Gao ,  Balaji Srinivasan Babu ,  Guido R. Frederiks ,  James S. Cho ,  Shu Du

    IPC: H04W72/12 ,  H04W28/02 ,  H04B7/04 ,  H04L1/00

    CPC classification number: H04B7/0413 ,  H04B7/0452 ,  H04L1/00 ,  H04L1/0026 ,  H04L1/06 ,  H04L1/1614 ,  H04L1/1628 ,  H04L1/1887 ,  H04W28/0231 ,  H04W72/1226 ,  H04W72/1231 ,  H04W72/1263

    Abstract: Systems and methods are disclosed for scheduling SU and MU traffic in a MIMO communications system. Net goodput may be estimated for a station using a plurality of MIMO modes and a transmission to the station may be scheduled using one of the MIMO modes based, at least in part, on the estimated net goodput. Estimating net goodput may include determining a number of bits that may be successfully transmitted to the station using the MIMO mode divided by a time required to transmit the number of bits plus the sounding time. Further, the number of bits that may be successfully transmitted to the station may be based on the number of packets that may be delivered over the upcoming sounding interval and statistically determined goodput for each MIMO mode.

    Abstract translation: 公开了用于在MIMO通信系统中调度SU和MU业务的系统和方法。 可以针对使用多个MIMO模式的站估计净有效吞吐量，并且可以至少部分地基于估计的净功率输出，使用MIMO模式之一来调度到站的传输。 估计净有效吞吐量可以包括使用MIMO模式除以传送比特数加上探测时间所需的时间来确定可以成功发送到站的比特数。 此外，可以成功发送到站的比特数可以基于可以通过即将到来的探测间隔递送的分组的数量，以及针对每个MIMO模式的统计确定的输出。

    Method and system for dynamic AMPDU duration control in a wireless communication system
    7.
    发明授权
    Method and system for dynamic AMPDU duration control in a wireless communication system 有权
    无线通信系统中动态AMPDU持续时间控制的方法和系统

    公开(公告)号：US09055458B2

    公开(公告)日：2015-06-09

    申请号：US13762338

    申请日：2013-02-07

    Applicant: QUALCOMM Incorporated

    Inventor： Shu Du ,  Zhanfeng Jia ,  Ning Zhang ,  Chin-Hung Chen ,  James S. Cho ,  Rahul Tandra ,  Qinghai Gao

    IPC: H04W24/02 ,  H04W28/00 ,  H04L1/00 ,  H04B7/04

    CPC classification number: H04W24/02 ,  H04B7/0452 ,  H04L1/0007

    Abstract: A method of providing aggregated MAC protocol data unit (AMPDU) duration control in a wireless communication device includes setting an AMPDU duration. Pass/fail statistics are collected for each MPDU of an AMPDU in a time window, W. A packet error rate (PER) difference is calculated between first and last sets of MPDUs for each AMPDU in the window. An average PER difference is calculated across all AMPDUs in the window. When the average PER difference is greater than a first threshold, then the AMPDU duration is decreased. When the difference is less than a second threshold, then the AMPDU duration is increased. When the difference is within the first and the second thresholds, then the method returns to the step of collecting for a next time window. The AMPDU duration can also be adjusted based on detected Doppler and line-of-sight transmissions.

    Abstract translation: 在无线通信设备中提供聚合MAC协议数据单元（AMPDU）持续时间控制的方法包括设置AMPDU持续时间。 在时间窗口W中收集AMPDU的每个MPDU的通过/失败统计信息。在窗口中的每个AMPDU的第一组和最后一组MPDU之间计算分组错误率（PER）差异。 在窗口中的所有AMPDU之间计算平均PER差异。 当平均PER差大于第一阈值时，AMPDU持续时间减小。 当差值小于第二阈值时，AMPDU持续时间增加。 当差异在第一和第二阈值内时，该方法返回到下一个时间窗口的收集步骤。 AMPDU持续时间也可以根据检测到的多普勒和视线传输进行调整。

    Selecting Frequency Bands For Transmitting Data Packets
    9.
    发明申请
    Selecting Frequency Bands For Transmitting Data Packets 有权
    选择发送数据包的频带

    公开(公告)号：US20160088630A1

    公开(公告)日：2016-03-24

    申请号：US14960764

    申请日：2015-12-07

    Applicant: QUALCOMM Incorporated

    Inventor： Youhan Kim ,  James S. Cho ,  Kai Shi ,  Nlng Zhang

    IPC: H04W72/04 ,  H04L5/00

    CPC classification number: H04W72/0453 ,  H04L1/0643 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0053

    Abstract: A first combination of frequency bands is selected for transmitting a first data packet, and a second, different combination of frequency bands is selected for transmitting a second data packet. A data stream is divided into a first set of data and a second set of data. The first set of data is allocated to the first combination of frequency bands, and the second set of data is allocated to the second combination of frequency bands.

    Abstract translation: 选择频带的第一组合用于发送第一数据分组，并且选择频带的第二不同组合来发送第二数据分组。 数据流被分为第一组数据和第二组数据。 第一组数据被分配给频带的第一组合，并且第二组数据被分配给频带的第二组合。

    System and method for reducing power consumption in a wireless communication system
    10.
    发明授权
    System and method for reducing power consumption in a wireless communication system 有权
    用于降低无线通信系统中的功耗的系统和方法

    公开(公告)号：US09264986B2

    公开(公告)日：2016-02-16

    申请号：US13714380

    申请日：2012-12-13

    Applicant: QUALCOMM Incorporated

    Inventor： Sandip Homchaudhuri ,  James S. Cho ,  Fnu Rajkumar Samuel ,  Sarvesh Shrivastava

    IPC: G08C17/00 ,  H04W52/02

    CPC classification number: H04W52/0203 ,  H04W52/0251 ,  Y02D70/142 ,  Y02D70/22

    Abstract: A wireless communication device having a root complex, a WLAN module, a power module and an interface linking the root complex and the WLAN module, wherein the root complex is configured to implement a power management policy based upon a latency tolerance value for the WLAN module and wherein the power module is configured to adjust the latency tolerance value based upon receive and transmit parameters of the WLAN module. The power module may be configured to adjust the latency tolerance value on a per-frame basis.

    Abstract translation: 一种具有根复合体，WLAN模块，电源模块以及链接根复合体和WLAN模块的接口的无线通信设备，其中所述根配置被配置为基于所述WLAN模块的等待容限值来实现功率管理策略 并且其中所述功率模块被配置为基于所述WLAN模块的接收和发送参数来调整所述等待时间容限值。 功率模块可以被配置为在每帧的基础上调整延迟容限值。

Patent Agency Ranking