公开(公告)号：WO2016140872A1

公开(公告)日：2016-09-09

申请号：PCT/US2016/019715

申请日：2016-02-26

Applicant: QUALCOMM INCORPORATED

Inventor： MERLIN, Simone ,  KIM, Youhan ,  TIAN, Bin ,  CHERIAN, George ,  ASTERJADHI, Alfred ,  VERMANI, Sameer ,  BARRIAC, Gwendolyn Denise

IPC: H04L5/00 ,  H04L1/00 ,  H04W72/04 ,  H04W84/12 ,  H04B7/04

CPC classification number: H04W28/06 ,  H04B7/0452 ,  H04B7/0626 ,  H04B7/0643 ,  H04L1/0026 ,  H04L1/0027 ,  H04L5/0057 ,  H04W72/0413

Abstract: Methods and apparatus for channel state information feedback are provided. In various aspects, a message is transmitted requesting channel feedback information. In some aspects, a first portion of the message is transmitted according to a first or second, and contains first information intended for a first or second set of wireless communication devices compatible with the first or second format respectively. In some aspects, a second portion of the first message is transmitted according to the second format, and contains second information intended for the second set of wireless communication devices compatible with the second format. In some aspects, the second message comprises a number of tones or spatial streams for which channel feedback information is requested, or other channel feedback information parameters.

Abstract translation: 提供了信道状态信息反馈的方法和装置。 在各个方面，发送请求信道反馈信息的消息。 在一些方面，消息的第一部分根据第一或第二传输，并且包含分别用于与第一或第二格式兼容的第一或第二组无线通信设备的第一信息。 在一些方面，根据第二格式发送第一消息的第二部分，并且包含旨在用于与第二格式兼容的第二组无线通信装置的第二信息。 在一些方面，第二消息包括要求信道反馈信息或其他信道反馈信息参数的多个音调或空间流。

公开(公告)号：WO2016133623A1

公开(公告)日：2016-08-25

申请号：PCT/US2016/013778

申请日：2016-01-18

Applicant: QUALCOMM INCORPORATED

Inventor： GREEN, Michael ,  KIM, Youhan

IPC: H04W72/00

CPC classification number: H04W72/0453 ,  H04W16/14 ,  H04W24/08 ,  H04W76/15 ,  H04W88/04 ,  H04W88/08

Abstract: Methods, systems, and devices are described for wireless communication at an AP. A station (STA) serving as a soft access point (SAP) in master mode may be configured to support communication over two radar channels (e.g., a primary and secondary channel) simultaneously. The STA may detect radar on the primary channel and move the primary channel to the secondary channel; meanwhile, the secondary channel may be moved to a channel in a non-radar subband. In some cases, the STA may establish a primary channel in a non-radar subband and then advertise a single bandwidth capacity. the STA may then perform a channel availability check (CAC) on a radar subband. If the CAC is successful, the STA may establish a secondary channel on the radar subband (or move the primary channel to the radar subband) and advertise a dual bandwidth capacity.

Abstract translation: 描述了用于AP处的无线通信的方法，系统和设备。 用作主模式的软接入点（SAP）的站（STA）可以被配置为同时支持两个雷达信道（例如，主要和次要信道）上的通信。 STA可以检测主信道上的雷达并将主信道移动到次信道; 同时，次级信道可以移动到非雷达子带中的信道。 在某些情况下，STA可以在非雷达子带中建立主信道，然后通告单个带宽容量。 STA然后可以在雷达子带上执行信道可用性检查（CAC）。 如果CAC成功，则STA可以在雷达子频带上建立一个辅助信道（或者将主信道移动到雷达子频带）并通告双带宽容量。

公开(公告)号：WO2016081378A1

公开(公告)日：2016-05-26

申请号：PCT/US2015/060916

申请日：2015-11-16

Applicant: QUALCOMM INCORPORATED

Inventor： YANG, Lin ,  TIAN, Bin ,  DOAN, Dung Ngoc ,  CHEN, Jialing Li ,  KIM, Youhan

IPC: H04L5/00

CPC classification number: H04L5/0046 ,  H04L5/0001 ,  H04L5/003 ,  H04L5/0091 ,  H04L27/2602

Abstract: Methods and apparatuses for communicating over a wireless communication network are disclosed herein. One example apparatus includes a memory that stores instructions. The apparatus further includes a processor coupled with the memory. The processor and the memory are configured to determine a total bandwidth for a transmission of a message, the total bandwidth including a plurality of tones. The processor is further configured to divide the plurality of tones in the total bandwidth into one or more 26-, 52-, 106-, 242-, or 996-tone blocks. The processor is further configured to determine an indication. The indication assigns one or more of the one or more tone blocks to a first wireless communication device. The apparatus further includes a transmitter configured to transmit the indication to at least the first wireless communication device or a second device.

Abstract translation: 本文公开了通过无线通信网络进行通信的方法和装置。 一个示例性设备包括存储指令的存储器。 该装置还包括与存储器耦合的处理器。 处理器和存储器被配置为确定消息的传输的总带宽，总带宽包括多个音调。 处理器还被配置为将总带宽中的多个音调划分成一个或多个26-，52-，106-，242-或996-音调块。 处理器还被配置为确定指示。 该指示将一个或多个音调块中的一个或多个分配给第一无线通信设备。 该装置还包括被配置为将该指示发送到至少第一无线通信装置或第二装置的发射机。

公开(公告)号：WO2016043954A1

公开(公告)日：2016-03-24

申请号：PCT/US2015/047561

申请日：2015-08-28

Applicant: QUALCOMM INCORPORATED

Inventor： ZHANG, Xiaoxin ,  ZHANG, Ning ,  ALDANA, Carlos Horacio ,  KIM, Youhan ,  DUA, Praveen ,  AGRAWAL, Meghna

IPC: H04W24/00 ,  H04W64/00

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 D1 and a second wireless D2 is performed by: sending (504), 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 (505) a time of departure (TOD) of the data frame; receiving (516), from the second wireless device, a response frame including SIFS information indicative of the actual SIFS duration of the second wireless device; determining (518) a time of arrival (TOA) of the response frame; and determining (522) 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. 501). Device D2 determines (508) the TOA of the received frame by capturing a time stamp, creates a response frame and determines (510) the TOD of the response frame, determines (512) ist actual SIFS duration, and embeds (514) the SIFS information into the response frame. The response frame is preferably an acknowledgement frame (ACK). Wireless devices D1 and D2 preferably include an SIFS database that stores a number of previously determined SIFS durations for the wireless device, one or more median SIFS durations for wireless device, and/or whether other wireless devices support ranging operations in accordance with the example embodiments. The exchange of ranging capabilities informs each of wireless devices D1 and D2 whether the other one supports capturing timestamps and/or is able to determine its own SIFS duration. In this manner, the ranging operations may be performed without estimating the SIFS duration of the second wireless device, thereby eliminating ranging errors resulting from uncertainties in the SIFS duration of the second wireless device.

Abstract translation: 第一无线设备D1和第二无线D2之间的测距操作通过以下步骤执行：向第二无线设备发送（504）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 设备; 确定（505）数据帧的出发时间（TOD）; 从第二无线设备接收（516）包括指示第二无线设备的实际SIFS持续时间的SIFS信息的响应帧; 确定（518）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（522）数据帧和响应帧的往返时间（RTT）。 501）。 设备D2通过捕获时间标记来确定（508）接收到的帧的TOA，创建响应帧并确定（510）响应帧的TOD，确定（512）是实际SIFS持续时间，并嵌入（514）SIFS 信息进入响应框架。 响应帧优选地是确认帧（ACK）。 无线设备D1和D2优选地包括SIFS数据库，其存储针对无线设备的多个先前确定的SIFS持续时间，无线设备的一个或多个中间SIFS持续时间，和/或其他无线设备是否支持根据示例实施例的测距操作 。 测距功能的交换通知无线设备D1和D2中的每一个是否另一个支持捕获时间戳和/或能够确定其自己的SIFS持续时间。 以这种方式，可以在不估计第二无线设备的SIFS持续时间的情况下执行测距操作，从而消除由于第二无线设备的SIFS持续时间的不确定性导致的测距误差。

公开(公告)号：WO2022251039A1

公开(公告)日：2022-12-01

申请号：PCT/US2022/030080

申请日：2022-05-19

Applicant: QUALCOMM INCORPORATED

Inventor： SUN, Yanjun ,  TIAN, Bin ,  ASTERJADHI, Alfred ,  CHERIAN, George ,  KIM, Youhan

IPC: H04L5/00

Abstract: This disclosure provides systems, methods, and apparatuses for wireless communication that can be used for channel puncturing. A wireless station (STA) may receive an indication of a first puncturing pattern to be used for transmitting or receiving data over a wireless channel, where the first puncturing pattern is defined by a first wireless communication protocol release and the STA is configured to operate according to a second wireless communication protocol release. The STA may select, from a set of puncturing patterns defined by the second wireless communication protocol release, a second puncturing pattern that includes one or more non-punctured subchannels that are subsets of one or more corresponding non-punctured subchannels of the first puncturing pattern. The STA may use the second puncturing pattern to transmit or receive one or more packets over the wireless channel.

公开(公告)号：WO2022094207A1

公开(公告)日：2022-05-05

申请号：PCT/US2021/057242

申请日：2021-10-29

Applicant: QUALCOMM INCORPORATED

Inventor： VERMANI, Sameer ,  TIAN, Bin ,  KIM, Youhan ,  CHEN, Jialing Li

IPC: H04L5/00 ,  H04L27/26

Abstract: This disclosure provides methods, devices and systems for interpreting reserved bits and values associated with different releases of a wireless communication protocol. In some implementations, a wireless communication device may determine whether to terminate or continue reception of a physical layer protocol convergence protocol (PLCP) protocol data unit (PPDU) if it detects a reserved bit in the physical layer preamble set to an unsupported value (such as a value different than what is defined by a version or release of the wireless communication protocol supported by the wireless communication device). In some other implementations, a wireless communication device may determine whether to terminate or continue reception of a PPDU if it detects a field in the physical layer preamble set to a reserved value (such as defined by a version or release of the wireless communication protocol supported by the wireless communication device).

公开(公告)号：WO2021231855A1

公开(公告)日：2021-11-18

申请号：PCT/US2021/032439

申请日：2021-05-14

Applicant: QUALCOMM INCORPORATED

Inventor： SHELLHAMMER, Stephen Jay ,  TIAN, Bin ,  VERMANI, Sameer ,  CHEN, Jialing Li ,  KIM, Youhan

IPC: H04L27/26

Abstract: This disclosure provides methods, devices and systems for wireless communication, and particularly, for generating or receiving a multi-generation physical layer protocol data unit (PPDU). The multi-generation PPDU may concurrently include a first generation-specific preamble based on a first generation of a wireless communication specification (such as that defined by the Institute of Electrical and Electronics Engineers (IEEE) 802.11 family of standards) and a second generation-specific preamble based on a second generation of the wireless communication specification in a same transmission. The generation-specific preambles may be generated based on bandwidth portions of a wireless channel that each generation-specific preamble will occupy in the multi-generation PPDU. One or more of the generation-specific preambles may be modified based on an aggregate bandwidth of the multi-generation PPDU. This disclosure includes several options for modifying one or more generation-specific preambles or data fields to accommodate their use in a multi-generation PPDU.

公开(公告)号：WO2021108635A1

公开(公告)日：2021-06-03

申请号：PCT/US2020/062328

申请日：2020-11-25

Applicant: QUALCOMM INCORPORATED

Inventor： YANG, Lin ,  TIAN, Bin ,  KIM, Youhan

IPC: H04L5/00 ,  H04L27/26

Abstract: This disclosure provides methods, devices and systems for data parsing for resource unit (RU) aggregation. A wireless communication device (such as an access point (AP) or a station (STA)) may allocate a set of resource units (RUs) for a receiving device in a basic service set (BSS). The set of RUs may be associated with multiple bandwidth segments of a bandwidth allocation and may be non-contiguous or contiguous. The wireless communication device may determine a data parsing and encoding scheme for a set of information bits. In some implementations, the encoded bits may be distributed to the set of RUs based on a distance to tone mapping value or pilot tone location or both of the aggregated set of RUs different than respective values or pilot tone locations of the RUs in the aggregated set of RUs.

公开(公告)号：WO2020072961A2

公开(公告)日：2020-04-09

申请号：PCT/US2019/054799

申请日：2019-10-04

Applicant: QUALCOMM INCORPORATED

Inventor： VERMA, Lochan ,  TIAN, Bin ,  VERMANI, Sameer ,  KIM, Youhan ,  YANG, Lin

IPC: H04L5/00

Abstract: Methods, systems, and devices for wireless communications are described for control signaling in next generation wireless local area network (WLAN) environments. A message transmitted by an access point may allocate resources to a plurality of stations. The access point may be configured to allocate up to 320 MHz of total bandwidth along with coarse punctures. The access point may also allocate up to eight space-time streams to each station in a multi-user multiple-input multiple output (MU-MIMO) transmission, and support simultaneous transmission to up to sixteen stations. To support 320 MHz bandwidth and up to sixteen stations, one or more signaling fields used in other environments may be repurposed to effectively signal the additional resources available in a next generation WLAN.

公开(公告)号：WO2019139789A1

公开(公告)日：2019-07-18

申请号：PCT/US2018/067942

申请日：2018-12-28

Applicant: QUALCOMM INCORPORATED

Inventor： PATIL, Abhishek, Pramod ,  ASTERJADHI, Alfred ,  KIM, Youhan ,  CHERIAN, George

IPC: H04W74/00

Abstract: Methods, systems, and devices for wireless communication are described. The described techniques relate to improved methods, systems, devices, or apparatuses that support a 20 MHz station (STA) parked on a secondary channel. Without the described techniques, mechanisms to support secondary channel operation may be unable to receive management frames or broadcast traffic from an access point (AP), which may cause the STA to lose synchronization with the AP, miss a channel change or other critical announcement from the AP, etc. Considerations for providing such information to STAs parked on a secondary channel are discussed. In some examples, an AP may restrict resource unit allocation to the secondary channel on which the STA is parked. In some cases, a trigger-based random access mechanism may utilize aspects of the present disclosure to limit access to certain resource units to STAs on a given secondary channel.