公开(公告)号：US09804664B2

公开(公告)日：2017-10-31

申请号：US14287663

申请日：2014-05-27

Applicant: QUALCOMM Incorporated

Inventor： Sandip Homchaudhuri ,  Paul Husted ,  MeeLan Lee ,  Srenik Mehta ,  Kai Shi ,  Shahram Abdollahi-Alibeik ,  Zhanfeng Jia ,  Soraya Kasnavi ,  Ning Zhang ,  David Kuochieh Su ,  Subramania Sharma Thandaveswaran ,  Kenneth Gainey ,  Ian David O'Donnell

IPC: G06F1/32 ,  H04W52/02

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

Abstract: 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.

公开(公告)号：US20170279507A1

公开(公告)日：2017-09-28

申请号：US15470500

申请日：2017-03-27

Applicant: QUALCOMM Incorporated

Inventor： Beomsup Kim ,  Ning Zhang ,  Xiaoxin Zhang ,  Youhan Kim

IPC: H04B7/0456 ,  H04L25/02 ,  H04B17/327 ,  H04B7/06 ,  H04B7/08

CPC classification number: H04B7/0456 ,  H04B7/0617 ,  H04B7/0691 ,  H04B7/0865 ,  H04B7/0874 ,  H04B17/327 ,  H04L25/0202 ,  H04W84/12 ,  H04W88/08

Abstract: Methods, systems, and devices for wireless communication are described. An access point (AP) may switch antenna array configurations during reception of a packet to determine channel characteristic information for the antenna array configurations. The AP may use the channel characteristic information to select an antenna array configuration for use, and to determine a beamforming steering matrix for the selected antenna array configuration. In some cases, the AP may use multiple antenna array configurations to transmit training fields in the preamble of a packet. The AP may receive channel characteristic information for each of the antenna array configurations. The AP may use the channel characteristic information to select an antenna array configuration for use, and to determine a beamforming steering matrix for the selected antenna array configuration.

公开(公告)号：US20160337974A1

公开(公告)日：2016-11-17

申请号：US15151403

申请日：2016-05-10

Applicant: QUALCOMM Incorporated

Inventor： Zhanfeng Jia ,  James Cho ,  Sumeet Kumar ,  Sandip HomChaudhuri ,  Ian O'Donnell ,  Ning Zhang ,  Alireza Raissinia

IPC: H04W52/02 ,  H04B7/04 ,  H04L5/00 ,  H04W4/20

CPC classification number: H04W52/0235 ,  H04B7/0413 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/0048 ,  H04L5/0092 ,  H04L27/2601 ,  H04W28/02 ,  H04W52/0219 ,  H04W72/1263 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/22 ,  Y02D70/444

Abstract: Apparatuses and methods are disclosed for receiving queued downlink (DL) data. In accordance with example embodiments, a first wireless device may receive, from a second wireless device, a beacon frame indicating a presence of queued DL data for concurrent delivery to a plurality of wireless devices. The first wireless device may receive permission to request delivery of the queued DL data. The first wireless device may transmit, to the second wireless device, a request for delivery of the queued DL data based on the permission. The first wireless device may then receive the queued DL data from the second wireless device.

Abstract translation: 公开了用于接收排队的下行链路（DL）数据的装置和方法。 根据示例实施例，第一无线设备可以从第二无线设备接收指示排队的DL数据的存在的信标帧，用于并发传送到多个无线设备。 第一无线设备可以接收请求传送排队的DL数据的许可。 第一无线设备可以基于该许可向第二无线设备发送对排队的DL数据的传送请求。 然后，第一无线设备可以从第二无线设备接收排队的DL数据。

公开(公告)号：US20160323089A1

公开(公告)日：2016-11-03

申请号：US14701250

申请日：2015-04-30

Applicant: QUALCOMM Incorporated

Inventor： Olaf Josef Hirsch ,  Guido Robert Frederiks ,  Zhanfeng Jia ,  Youhan Kim ,  Yixiang Li ,  Ning Zhang

IPC: H04L5/14 ,  H04W52/52 ,  H04W52/24 ,  H04B1/44

CPC classification number: H04L5/1461 ,  H04B1/44 ,  H04W52/243 ,  H04W52/52 ,  H04W72/0446 ,  H04W72/0473 ,  H04W72/082

Abstract: A method and apparatus for concurrent wireless communications on multiple channels of the same frequency band. A wireless device determines when a first transceiver chain of the wireless device is to receive a first data signal. The wireless device then transmits a second data signal via a second transceiver chain of the wireless device based at least in part on the determination. The wireless device further suspends the transmission of the second data signal in response to the determination that the first transceiver chain is to receive the first data signal.

Abstract translation: 一种在相同频带的多个信道上进行并发无线通信的方法和装置。 无线设备确定无线设备的第一收发器链何时接收第一数据信号。 然后，无线设备至少部分地基于确定，经由无线设备的第二收发器链发送第二数据信号。 无线设备响应于第一收发器链将要接收第一数据信号的确定，进一步中止第二数据信号的发送。

公开(公告)号：US20160316424A1

公开(公告)日：2016-10-27

申请号：US14695613

申请日：2015-04-24

Applicant: QUALCOMM Incorporated

Inventor： Zhanfeng Jia ,  Ning Zhang ,  David Kuochieh Su ,  Xuetao Chen

IPC: H04W48/18 ,  H04W72/04 ,  H04L1/16 ,  H04W48/16

CPC classification number: H04W48/18 ,  H04L1/1607 ,  H04W48/16 ,  H04W48/20 ,  H04W72/0406

Abstract: A system and method are disclosed that may allow a STA to request one or more non-associated APs to initiate channel sounding operations with the STA. In response to the request, a number of the non-associated APs may send one or more NDPs to the STA. The STA may use the received NDPs to determine a goodput value for each of the number of non-associated APs. The STA may then use the determined goodput values to select one of the number of non-associated APs with which to associate. Thereafter, the STA may initiate an association operation with the selected AP.

Abstract translation: 公开了一种系统和方法，其可以允许STA请求一个或多个非关联AP来发起与STA的信道探测操作。 响应于该请求，多个非关联AP可以向STA发送一个或多个NDP。 STA可以使用所接收的NDP来确定每个非关联AP的每个的输入值。 然后，STA可以使用所确定的输出值来选择与其关联的多个非关联AP中的一个。 此后，STA可以发起与所选择的AP的关联操作。

公开(公告)号：US20160081054A1

公开(公告)日：2016-03-17

申请号：US14837775

申请日：2015-08-27

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxin Zhang ,  Ning Zhang ,  Carlos Horacio Aldana ,  Youhan Kim ,  Praveen Dua ,  Meghna Agrawal

IPC: H04W64/00 ,  H04L5/00 ,  H04W52/02 ,  H04W24/10 ,  H04L12/841

CPC classification number: H04W64/00 ,  H04L5/0055 ,  H04L47/283 ,  H04W24/00 ,  H04W52/0209 ,  H04W84/12 ,  Y02D70/00 ,  Y02D70/1222 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/162 ,  Y02D70/22

Abstract: A ranging operation between a first wireless device and a second wireless may be performed by: sending, to the second wireless device, a data frame including a request for the second wireless device to report its actual SIFS duration to the first wireless device; determining a time of departure (TOD) of the data frame; receiving, from the second wireless device, a response frame including SIFS information indicative of the actual SIFS duration of the second wireless device; determining a time of arrival (TOA) of the response frame; and determining a round trip time (RTT) of the data frame and the response frame using the TOD of the data frame, the TOA of the response frame, and the actual SIFS duration of the second wireless device.

Abstract translation: 可以通过以下步骤来执行第一无线设备和第二无线设备之间的测距操作：向第二无线设备发送包括对第二无线设备向第一无线设备报告其实际SIFS持续时间的请求的数据帧; 确定数据帧的出发时间（TOD）; 从所述第二无线设备接收包括指示所述第二无线设备的实际SIFS持续时间的SIFS信息的响应帧; 确定响应帧的到达时间（TOA）; 以及使用数据帧的TOD，响应帧的TOA和第二无线设备的实际SIFS持续时间来确定数据帧和响应帧的往返时间（RTT）。

公开(公告)号：US20150351032A1

公开(公告)日：2015-12-03

申请号：US14287670

申请日：2014-05-27

Applicant: QUALCOMM Incorporated

Inventor： Sandip Homchaudhuri ,  Paul Husted ,  MeeLan Lee ,  Srenik Mehta ,  Kai Shi ,  Shahram Abdollahi-Alibeik ,  Zhanfeng Jia ,  Soraya Kasnavi ,  Ning Zhang ,  David Kuochieh Su ,  Subramania Sharma Thandaveswaran ,  Kenneth Gainey ,  Ian David O'Donnell

IPC: H04W52/02 ,  G06F1/32

CPC classification number: H04W52/0235 ,  G06F1/3206 ,  G06F1/3234 ,  H04W52/0229 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/22

Abstract: 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, and implementing lower power modes with various modes of the device. According to one aspect, the mode of the device may be a beacon monitoring mode or a delivery traffic indication message (DTIM) mode. In such a mode, the device may receive a portion of a beacon in a first power mode. The device may transition to a second, different (e.g., higher) power mode using information contained in the received portion of the beacon as guidance.

Abstract translation: 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，可以通过自适应地控制无线通信设备的功率模式并且利用设备的各种模式来实现低功率模式来实现功率节省。 根据一个方面，设备的模式可以是信标监控模式或传送业务指示消息（DTIM）模式。 在这种模式中，设备可以以第一功率模式接收信标的一部分。 使用包含在信标的接收部分中的信息作为引导，设备可以转换到第二不同（例如更高）的功率模式。

公开(公告)号：US20150346807A1

公开(公告)日：2015-12-03

申请号：US14287663

申请日：2014-05-27

Applicant: QUALCOMM Incorporated

Inventor： Sandip Homchaudhuri ,  Paul Husted ,  MeeLan Lee ,  Srenik Mehta ,  Kai Shi ,  Shahram Abdollahi-Alibeik ,  Zhanfeng Jia ,  Soraya Kasnavi ,  Ning Zhang ,  David Kuochieh Su ,  Subramania Sharma Thandaveswaran ,  Kenneth Gainey ,  Ian David O'Donnell

IPC: G06F1/32

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

Abstract: 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.

Abstract translation: 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，设备可以接收正在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传入数据的第二功率模式。

公开(公告)号：US09191908B2

公开(公告)日：2015-11-17

申请号：US14185660

申请日：2014-02-20

Applicant: QUALCOMM Incorporated

Inventor： Carlos Horacio Aldana ,  Ning Zhang

IPC: H04W56/00

CPC classification number: H04W56/0035 ,  H04W40/244 ,  H04W56/003 ,  H04W88/08

Abstract: 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.

Abstract translation: 在具有相应时钟漂移的两个无线设备之间计算往返时间（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一个或多个消息的第一组，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RTT， 计算第二RTT，其中平均RTT对时钟漂移的影响较小。

公开(公告)号：US09161167B2

公开(公告)日：2015-10-13

申请号：US13747843

申请日：2013-01-23

Applicant: QUALCOMM Incorporated

Inventor： Carlos Horacio Aldana ,  Ning Zhang ,  Mary A. Fales

IPC: H04W24/00 ,  H04W4/02 ,  H04W4/04 ,  H04L12/58

CPC classification number: H04W4/023 ,  H04L51/20 ,  H04W4/021 ,  H04W4/022 ,  H04W4/026 ,  H04W4/027 ,  H04W4/029 ,  H04W4/04

Abstract: Aspects of determining a geographical state of a target through a user device are provided. One method includes identifying at least one target associated with a target device configured to provide position data in a standard reference frame along with corresponding time values, and sending a request for access to geographical state information for at least one target. The method may further include receiving geographical state information associated with the at least one target, and generating a visual identifier of the at least one target based on the geographical state information. The visual identifier may be associated with data captured by an imaging sensor which is functionally coupled to the user device. Systems and apparatuses for determining a geographical state of a target through a user device are further presented.

Abstract translation: 提供通过用户设备确定目标的地理状态的方面。 一种方法包括识别与被配置为在标准参考帧中提供位置数据以及对应的时间值的目标设备相关联的至少一个目标，以及发送访问至少一个目标的地理状态信息的请求。 所述方法还可以包括接收与所述至少一个目标相关联的地理状态信息，以及基于所述地理状态信息生成所述至少一个目标的视觉标识符。 视觉标识符可以与由功能上耦合到用户设备的成像传感器捕获的数据相关联。 进一步介绍用于通过用户设备确定目标的地理状态的系统和装置。