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68 条记录 (耗时 0.025 秒)

    ADAPTIVE CONTROL OF RF LOW POWER MODES IN A MULTI-RATE WIRELESS SYSTEM USING MCS VALUE
    18.
    发明公开
    ADAPTIVE CONTROL OF RF LOW POWER MODES IN A MULTI-RATE WIRELESS SYSTEM USING MCS VALUE 有权
    EINEM MEHRARATIGEN DRAHTLOSSYSTEM MITTELS MCS-WERT中的自适应STEUERUNG VON HF-NIEDERSTROM-MODI

    公开(公告)号：EP3150006A1

    公开(公告)日：2017-04-05

    申请号：EP15728276.5

    申请日：2015-05-20

    申请人： QUALCOMM Incorporated

    发明人： HOMCHAUDHURI, Sandip ,  HUSTED, Paul ,  LEE, MeeLan ,  MEHTA, Srenik ,  SHI, Kai ,  ABDOLLAHI-ALIBEIK, Shahram ,  JIA, Zhanfeng ,  KASNAVI, Soraya ,  ZHANG, Ning ,  SU, David, Kuochieh ,  THANDAVESWARAN, Subramania Sharma ,  GAINEY, Kenneth ,  O'DONNELL, Ian David

    IPC分类号： H04W52/02

    CPC分类号： G06F1/3293 ,  G06F1/3278 ,  G06F1/3287 ,  H04W52/0229 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/22 ,  Y02D70/24

    摘要： Methods, systems, and devices are described for power conservation in a wireless communications system. In embodiments, power conservation may be achieved by adaptively controlling power modes of a wireless communication device, using a modulation and coding scheme (MCS) value as a factor for guidance. According to one aspect, the device may be in a reception mode. While in a first power mode, the device may receive control information for incoming data that is being transmitted via a transmission frame. The control information may be located in a first portion of the frame with the data following in a second portion of the frame. The control information may include or otherwise indicate an MCS value corresponding to the MCS applied to the incoming data. Based on the MCS value, the device may be adaptively switched to a second power mode for receiving the incoming data.

    摘要翻译： 描述了无线通信系统中的功率节省的方法，系统和设备。 在实施例中，可以通过使用调制和编码方案（MCS）值作为引导因素来自适应地控制无线通信设备的功率模式来实现功率节省。 根据一个方面，设备可以处于接收模式。 在第一功率模式下，设备可以接收通过传输帧发送的输入数据的控制信息。 控制信息可以位于帧的第一部分中，数据跟随在帧的第二部分中。 控制信息可以包括或以其他方式指示对应于应用于输入数据的MCS的MCS值。 基于MCS值，设备可以自适应地切换到用于接收输入数据的第二功率模式。

    REDUCING IMPACT OF CLOCK DRIFT IN WIRELESS DEVICES
    19.
    发明公开
    REDUCING IMPACT OF CLOCK DRIFT IN WIRELESS DEVICES 审中-公开
    VERRINGERUNG DER AUSWIRKUNG VON TAKTABWEICHUNG在DRAHTLOSEN VORRICHTUNGEN

    公开(公告)号：EP2965576A2

    公开(公告)日：2016-01-13

    申请号：EP14710124.0

    申请日：2014-02-21

    申请人： Qualcomm Incorporated

    发明人： ALDANA, Carlos Horacio ,  ZHANG, Ning

    IPC分类号： H04W56/00

    CPC分类号： H04W56/0035 ,  H04W40/244 ,  H04W56/003 ,  H04W88/08

    摘要： Systems and methods for calculating round trip time (RTT) between two wireless devices with respective clock drifts, while lowering the impact of the clock drifts on the RTT. A first RTT in a first direction is determined between a first wireless device and a second wireless device based on a first set of one or more messages exchanged between the first wireless device and the second wireless device. A second RTT in a second direction is determined between the second wireless device and the first wireless device based on a second set of one or more messages exchanged between the second wireless device and the first wireless device, and an average RTT of the first RTT and the second RTT is computed, wherein the average RTT has a low impact of the clock drifts.

    摘要翻译： 用于计算两个无线设备之间具有相应时钟漂移的往返时间（RTT）的系统和方法，同时降低时钟漂移对RTT的影响。 基于在第一无线设备和第二无线设备之间交换的第一组一个或多个消息，在第一无线设备和第二无线设备之间确定第一方向上的第一RTT。 基于在第二无线设备和第一无线设备之间交换的一个或多个消息的第二组以及第一RTT的平均RTT和第二无线设备的平均RTT，在第二无线设备和第一无线设备之间确定第二方向上的第二RTT 计算第二RTT，其中平均RTT对时钟漂移的影响较小。

    SCHEDULING TRANSMISSION FOR MULTI-USER, MULTIPLE-INPUT, MULTIPLE-OUTPUT DATA
    20.
    发明公开
    SCHEDULING TRANSMISSION FOR MULTI-USER, MULTIPLE-INPUT, MULTIPLE-OUTPUT DATA 有权
    转学规划用于多用户MIMO数据

    公开(公告)号：EP2904713A1

    公开(公告)日：2015-08-12

    申请号：EP13767182.2

    申请日：2013-09-11

    申请人： Qualcomm Incorporated

    发明人： DU, Shu ,  JIA, Zhanfeng ,  ZHANG, Ning ,  GAO, Qinghai ,  SRINIVASAN BABU, Balaji

    IPC分类号： H04B7/04 ,  H04B7/06 ,  H04W72/12 ,  H04L5/00

    CPC分类号： H04B7/0452 ,  H04W72/121 ,  H04W72/1221

    摘要： An access point determines the buffered data for each station of a plurality of stations in a BSS and groups the stations with similar station characteristics. The transmission time to the stations in a group can be apportioned. The groups can be ordered based on station characteristics and a transmission history. A sounding for a group can be performed based on the order. The MU-MIMO transmission for the group can be performed until a first condition is met. If the first condition is met, then the sounding and the MU-MIMO transmission for a next group can be performed, according to the order, until a second condition is met. The first condition can include an apportioned transmission time having expired and/or the buffers for the group being flushed. The second condition can include new data having been buffered by the AP and/or all buffered data having been transmitted.