公开(公告)号：US12200765B2

公开(公告)日：2025-01-14

申请号：US17728723

申请日：2022-04-25

Applicant: QUALCOMM Incorporated

Inventor： Shwetank Kishorkumar Mistry ,  Qinfang Sun ,  Didier Johannes Richard Van Nee ,  Deniz Rende ,  Vivek Thekkedath ,  Amrutraj Joshi

IPC: H04W74/0808

Abstract: Aspects relate to outputting a training field signal and/or obtaining a training field signal over multiple radio frequency (RF) sub-bands. For example, a carrier bandwidth used by a first apparatus to transmit packets may include several RF sub-bands. The first apparatus may use two or more of these RF sub-bands to transmit a training field signal. In some examples, the first apparatus may repeat the same training field signal over multiple RF sub-bands. In some examples, the second apparatus may combine the training field signal sent over the multiple RF sub-bands.

公开(公告)号：US09131522B2

公开(公告)日：2015-09-08

申请号：US13891148

申请日：2013-05-09

Applicant: QUALCOMM Incorporated

Inventor： Firouz Behnamfar ,  Sandip HomChaudhuri ,  Paul Husted ,  Alireza Raissinia ,  Qinfang Sun

IPC: H04W4/00 ,  H04W72/12 ,  H04W16/14 ,  H04W72/04

CPC classification number: H04W72/1257 ,  H04W16/14 ,  H04W72/042 ,  H04W72/1215 ,  H04W72/1289

Abstract: A user equipment (UE) uses information regarding dynamic resource allocation in a mobile wireless service (MWS) radio access technology (RAT) to improve MWS and wireless connectivity network (WCN) RAT coexistence. The UE may receive an indication of time and frequency resources of future activity of the MWS RAT. The UE may schedule communications of the WCN RAT based at least in part on the indication of the time and frequency resources of the future activity.

Abstract translation: 用户设备（UE）使用关于移动无线服务（MWS）无线电接入技术（RAT）中的动态资源分配的信息来改进MWS和无线连接网络（WCN）RAT共存。 UE可以接收MWS RAT的未来活动的时间和频率资源的指示。 UE可以至少部分地基于未来活动的时间和频率资源的指示来安排WCN RAT的通信。

公开(公告)号：US20140028499A1

公开(公告)日：2014-01-30

申请号：US13740085

申请日：2013-01-11

Applicant: Qualcomm Incorporated

Inventor： Wen-Chang Yeh ,  Hao Zhou ,  Qinfang Sun

IPC: G01S19/33

CPC classification number: G01S19/33 ,  G01S19/235 ,  G01S19/36 ,  G01S19/37

Abstract: A receiver for receiving both GPS signals and GLONASS signals is provided. This receiver includes an analog front end (AFE), a GPS digital front end (DFE) and a GLONASS DFE for receiving an output of the AFE, and a dual mode interface (DMI) for receiving outputs of the GPS and GLONASS DFEs. Search engines are provided for receiving outputs of the DMI. Notably, certain front-end components of the AFE are configured to process both the GPS signals and the GLONASS signals.

Abstract translation: 提供了用于接收GPS信号和GLONASS信号的接收器。 该接收机包括用于接收AFE的输出的模拟前端（AFE），GPS数字前端（DFE）和GLONASS DFE，以及用于接收GPS和GLONASS DFE的输出的双模式接口（DMI）。 提供搜索引擎用于接收DMI的输出。 值得注意的是，AFE的某些前端组件配置为处理GPS信号和GLONASS信号。

公开(公告)号：US20140056276A1

公开(公告)日：2014-02-27

申请号：US13891148

申请日：2013-05-09

Applicant: QUALCOMM INCORPORATED

Inventor： Firouz Behnamfar ,  Sandip HomChaudhuri ,  Paul Husted ,  Alireza Raissinia ,  Qinfang Sun

IPC: H04W72/12

CPC classification number: H04W72/1257 ,  H04W16/14 ,  H04W72/042 ,  H04W72/1215 ,  H04W72/1289

Abstract: A user equipment (UE) uses information regarding dynamic resource allocation in a mobile wireless service (MWS) radio access technology (RAT) to improve MWS and wireless connectivity network (WCN) RAT coexistence. The UE may receive an indication of time and frequency resources of future activity of the MWS RAT. The UE may schedule communications of the WCN RAT based at least in part on the indication of the time and frequency resources of the future activity.

Abstract translation: 用户设备（UE）使用关于移动无线服务（MWS）无线电接入技术（RAT）中的动态资源分配的信息来改进MWS和无线连接网络（WCN）RAT共存。 UE可以接收MWS RAT的未来活动的时间和频率资源的指示。 UE可以至少部分地基于未来活动的时间和频率资源的指示来安排WCN RAT的通信。

公开(公告)号：US20130064124A1

公开(公告)日：2013-03-14

申请号：US13670354

申请日：2012-11-06

Applicant: QUALCOMM Incorporated

Inventor： Qinfang Sun

IPC: H04W24/00

CPC classification number: H04L27/2663 ,  H04B1/7073 ,  H04L7/042 ,  H04L27/2613 ,  H04L27/2671 ,  H04L27/2675 ,  H04L27/2688

Abstract: A mechanism for weak signal packet detection in a wireless receiver. Cross-correlation and self-correlation operations are performed on a plurality of short training field symbols associated with a plurality of RF signals received at a plurality of receiver chains of the wireless receiver. A plurality of self-correlation outputs generated in the plurality of receiver chains are summed and the sum of the self-correlation outputs is accumulated over a predetermined number of STF symbol periods. A moving sum operation is performed on the accumulation output when the accumulation output is greater than a first predetermined threshold. A signal indicating a data packet has been detected is generated when the moving sum output is greater than a second predetermined threshold.

Abstract translation: 一种无线接收机中弱信号包检测的机制。 对与在无线接收机的多个接收机链处接收的多个RF信号相关联的多个短训练场符号执行互相关和自相关操作。 在多个接收机链中产生的多个自相关输出相加，并且在预定数量的STF符号周期上累积自相关输出的和。 当累积输出大于第一预定阈值时，对积累输出执行移动和运算。 当移动和输出大于第二预定阈值时，产生指示数据分组的信号。

公开(公告)号：US20240098549A1

公开(公告)日：2024-03-21

申请号：US17934155

申请日：2022-09-21

Applicant: Qualcomm Incorporated

Inventor： Xiaolong HUANG ,  Manish Shukla ,  Srinivas Katar ,  Sandip Homchaudhuri ,  Simon Jan Brand ,  Harinder Singh ,  Tejaswini Gollamudi ,  Qinfang Sun

IPC: H04W28/02

CPC classification number: H04W28/0231 ,  H04W84/12

Abstract: Aspects of the present disclosure allow for improving E2E mesh throughput by applying transmission (TX) biasing on the Wi-Fi mesh backhaul. Aspects of the disclosure are directed to solutions for reducing traffic load in Wi-Fi mesh networks by applying TX biasing on the Wi-Fi mesh backhaul. Certain aspects are directed to selectively transmitting or preventing transmission of data over the first backhaul link to the first MLD based at least in part on a fronthaul airtime utilization, a first backhaul airtime utilization, or a second backhaul airtime utilization. Doing so allows a root access point or a network controller to apply TX biasing between multi-link operation links towards each repeater so that traffic load on a backhaul-link would not overly occupy the front-haul link because of common channel use by selectively transmitting or preventing transmission of data on the backhaul links.

公开(公告)号：US09065686B2

公开(公告)日：2015-06-23

申请号：US13683692

申请日：2012-11-21

Applicant: QUALCOMM Incorporated

Inventor： Qinfang Sun ,  Chiao-Cheng Huang ,  Hao-Jen Cheng

IPC: H03D1/04 ,  H04L27/00 ,  H04B1/10

CPC classification number: H04L27/00 ,  H04B1/1027

Abstract: A method and device for processing spur components associated with a received wireless signal are disclosed. In one embodiment, the method includes first selecting a sub-band of a spectral band of the received signal. The selected sub-band is scanned, and a detection routine is executed to detect a spur within the scanned sub-band having a peak magnitude above a predetermined threshold. The spur frequency is determined, and the spur may be removed by a cancellation unit based on the determined frequency. The method also includes tracking the frequency of the spur to ensure continued suppression over time and under dynamic conditions.

Abstract translation: 公开了一种用于处理与接收的无线信号相关联的支线分量的方法和装置。 在一个实施例中，该方法包括首先选择接收信号的频谱带的子带。 扫描所选择的子带，并且执行检测程序以检测具有高于预定阈值的峰值幅度的扫描子带内的杂散。 确定杂散频率，并且基于所确定的频率，消除单元可以去除杂散。 该方法还包括跟踪支线的频率，以确保随时间和动态条件下的持续抑制。

公开(公告)号：US20150103946A1

公开(公告)日：2015-04-16

申请号：US14571631

申请日：2014-12-16

Applicant: QUALCOMM Incorporated

Inventor： Won-Joon Choi ,  Qinfang Sun ,  Jeffrey M. Gilbert

IPC: H04L1/08 ,  H04L1/00

CPC classification number: H04L1/08 ,  H04L1/0071

Abstract: A system and method are disclosed for transmitting data over a wireless channel. In some embodiments, transmitting data includes receiving convolutionally encoded data and enhancing the transmission of the data by further repetition encoding the data.

Abstract translation: 公开了一种通过无线信道发送数据的系统和方法。 在一些实施例中，发送数据包括接收卷积编码的数据，并通过进一步重复编码数据来增强数据的传输。

公开(公告)号：US20130294549A1

公开(公告)日：2013-11-07

申请号：US13937757

申请日：2013-07-09

Applicant: QUALCOMM Incorporated

Inventor： Qinfang Sun ,  Wen-Chang Yeh ,  Ho-Chung Chen

IPC: H04L7/00

CPC classification number: H04L7/0016 ,  G01S19/24 ,  G01S19/30 ,  G01S19/36 ,  G01S19/37

Abstract: A high sensitivity GPS receiver includes an acquisition engine and a tracking engine. The acquisition engine processes GPS satellite data at data rate that is substantially equal to twice the coarse acquisition (CA) code chip rate. This data rate advantageously enables the acquisition engine to process GPS satellite data with relatively less hardware area than traditional GPS acquisition approaches. In one embodiment, the high efficiency acquisition engine may be over-clocked, thereby allowing different phases of a CA code to be correlated quickly. The tracking engine can advantageously process GPS satellite data at a data rate that does not have an integer relationship to the CA code chip rate.

Abstract translation: 高灵敏度GPS接收机包括采集引擎和跟踪引擎。 采集引擎以基本上等于粗略采集（CA）码片速率的两倍的数据速率处理GPS卫星数据。 该数据速率有利地使得采集引擎能够以比传统的GPS采集方法更少的硬件面积来处理GPS卫星数据。 在一个实施例中，高效率采集引擎可以被超频，从而允许CA代码的不同阶段快速相关。 跟踪引擎可以以不与CA码片速率的整数关系的数据速率有利地处理GPS卫星数据。

公开(公告)号：US20130177095A1

公开(公告)日：2013-07-11

申请号：US13779715

申请日：2013-02-27

Applicant: QUALCOMM Incorporated

Inventor： Qinfang Sun ,  Won-Joon Choi ,  Jeffrey M. Gilbert ,  Ardavan Maleki Tehrani

IPC: H04B7/04

CPC classification number: H04B7/0421 ,  H04B7/0413 ,  H04B7/0613 ,  H04B7/0684 ,  H04L1/0041 ,  H04L1/0054 ,  H04L1/0061 ,  H04L1/06 ,  H04L1/0656 ,  H04L1/1819 ,  H04L1/1829 ,  H04L5/0048 ,  H04L25/0204 ,  H04L25/0226 ,  H04L27/0014 ,  H04L2025/03426

Abstract: A multiple-input multiple-output (MIMO) system can transmit on multiple antennas simultaneously and receive on multiple antennas simultaneously. Unfortunately, because a legacy 802.11a/g device is not able to decode multiple data streams, such a legacy device may “stomp” on a MIMO packet by transmitting before the transmission of the MIMO packet is complete. Therefore, MIMO systems and methods are provided herein to allow legacy devices to decode the length of a MIMO packet and to restrain from transmitting during that period. These MIMO systems and methods are optimized for efficient transmission of MIMO packets.

Abstract translation: 多输入多输出（MIMO）系统可以同时在多个天线上进行发射并同时在多个天线上进行接收。 不幸的是，由于遗留802.11a / g设备不能解码多个数据流，所以这样的传统设备可能在完成MIMO分组的传输之前通过发送来“踩踏”MIMO分组。 因此，本文提供MIMO系统和方法，以允许传统设备对MIMO分组的长度进行解码并且在该时间段内抑制发射。 这些MIMO系统和方法被优化用于MIMO分组的有效传输。