公开(公告)号：US09807767B2

公开(公告)日：2017-10-31

申请号：US14848068

申请日：2015-09-08

Applicant: QUALCOMM Incorporated

Inventor： Jialing Li Chen ,  Lin Yang ,  Sameer Vermani ,  Bin Tian

IPC: H04L5/00 ,  H04W72/04

CPC classification number: H04W72/0453 ,  H04L5/0007 ,  H04L5/0037

Abstract: Methods and apparatus for signaling tone allocations in OFDMA communication are disclosed herein. In one aspect, the method includes determining a tone allocation which divides a plurality of tones between a plurality of wireless communication devices, the tone allocation including at least one of determining a plurality of subbands, each subband comprising an exclusive contiguous subset of the plurality of tones, at least one subband of the plurality of subbands assigned to two or more devices of the plurality of wireless communication and assigning a tone group size to each wireless communication device of the plurality of wireless communication devices, wherein the tone group size indicates a number of contiguous tones that the wireless communication device is allocated, wherein at least one tone group size is larger than one. The method also includes transmitting the tone allocation to each of the plurality of wireless communication devices.

公开(公告)号：US09680626B2

公开(公告)日：2017-06-13

申请号：US14265255

申请日：2014-04-29

Applicant: QUALCOMM Incorporated

Inventor： Simone Merlin ,  Gwendolyn Denise Barriac ,  Hemanth Sampath ,  Sameer Vermani ,  Bin Tian ,  Yan Zhou ,  Rahul Tandra

IPC: H04L5/00 ,  H04B7/26 ,  H04J1/02 ,  H04W52/02 ,  H04J1/14 ,  H04L1/18 ,  H04W74/02 ,  H04W74/08 ,  H04L1/16 ,  H04L1/00 ,  H04W74/00

CPC classification number: H04B7/2621 ,  H04B7/26 ,  H04J1/02 ,  H04J1/14 ,  H04L1/1685 ,  H04L1/18 ,  H04L1/1861 ,  H04L5/0005 ,  H04L5/0007 ,  H04L5/0012 ,  H04L5/0037 ,  H04L5/005 ,  H04L5/0055 ,  H04L5/006 ,  H04L5/0069 ,  H04L5/0073 ,  H04L5/0094 ,  H04L2001/0093 ,  H04W52/0212 ,  H04W52/0219 ,  H04W74/002 ,  H04W74/02 ,  H04W74/0816 ,  Y02D70/00 ,  Y02D70/122 ,  Y02D70/142 ,  Y02D70/449

Abstract: Systems, methods, and devices for high-efficiency wireless frequency division multiplexing are provided. A method includes exchanging, at an access point, at least one frame reserving a wireless medium with at least one of a first and second wireless device. The method further includes receiving a first communication on a first set of wireless frequencies from the first wireless device. The method further includes receiving a second communication, at least partially concurrent with the first communication, on a second set of wireless frequencies from the second wireless device. The method further includes transmitting at least one acknowledgment of the first and second communication. The first set and the second set are mutually exclusive subsets of a set of wireless frequencies available for use by both the first and second wireless device.

公开(公告)号：US09674744B2

公开(公告)日：2017-06-06

申请号：US14857340

申请日：2015-09-17

Applicant: QUALCOMM Incorporated

Inventor： Qi Xue ,  Peerapol Tinnakornsrisuphap ,  Bin Tian

IPC: H04W36/06 ,  H04B7/185 ,  H04B17/382

CPC classification number: H04W36/06 ,  H04B7/18506 ,  H04B17/382 ,  H04W28/20 ,  H04W72/1231

Abstract: Various aspects are provided for wireless communication channel management. For instance, aspects of an example method are provided, the method including detecting a trigger condition for changing an operating frequency of a wireless communication link between a first device and a second device. In addition, the example method may include obtaining a target operating frequency for the wireless communication link based on detecting the trigger condition. Moreover, the example method may include tuning a transceiver to the target operating frequency. In an example, the first device may be an unmanned aerial vehicle (UAV) and the second device may be a controller associated with the UAV. Additionally, example apparatuses and computer-readable media are provided for wireless communication channel management, the example apparatuses and computer-readable media being configured to perform, or store computer-executable code to perform, the disclosed example methods.

公开(公告)号：US09661638B2

公开(公告)日：2017-05-23

申请号：US14704878

申请日：2015-05-05

Applicant: QUALCOMM Incorporated

Inventor： Eric Pierre Rebeiz ,  Rahul Tandra ,  Sameer Vermani ,  Bin Tian

IPC: H04W72/04 ,  H04W72/12 ,  H04W84/12

CPC classification number: H04W72/0493 ,  H04W72/0486 ,  H04W72/1289 ,  H04W84/12

Abstract: A method for high efficiency wireless communication is provided. In one aspect, a method of high efficiency wireless communication includes generating, at an access point, a message for transmission over at least one channel. The message includes a first signal field indicative of a length of the first message after the first signal field. The message further includes a second signal field indicative of at least one channel assignment. The second signal field has a length based on a minimum allocation size. The method further includes transmitting the message to one or more wireless devices.

公开(公告)号：US20170013604A1

公开(公告)日：2017-01-12

申请号：US15203031

申请日：2016-07-06

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Bin Tian ,  Arjun Bharadwaj

IPC: H04W72/04 ,  H04W16/14

CPC classification number: H04W16/14 ,  H04L1/00 ,  H04L1/0079 ,  H04L1/08 ,  H04W84/12

Abstract: Techniques are described for wireless communication. One or more wireless local area network (WLAN) preamble portions may span multiple 20 MHz frequency bands, and may be duplicated across a transmission bandwidth. WLAN preamble portions may include common portions for multiple receivers as well as dedicated portions for particular receivers, and common portions may be transmitted in a primary frequency band in some examples. Some techniques provide that WLAN preamble portions may be encoded using different sized code blocks. Various aspects of the disclosure also provide for signaling of resource allocations of WLAN wireless frames.

公开(公告)号：US09544904B2

公开(公告)日：2017-01-10

申请号：US14265112

申请日：2014-04-29

Applicant: QUALCOMM Incorporated

Inventor： Gwendolyn Denise Barriac ,  Simone Merlin ,  Sameer Vermani ,  Rahul Tandra ,  Yan Zhou ,  Bin Tian ,  Hemanth Sampath

IPC: H04B7/00 ,  H04W72/04 ,  H04W52/24 ,  H04W74/08

CPC classification number: H04W72/048 ,  H04W52/241 ,  H04W74/0808

Abstract: Systems and method for concurrent communication using high efficiency wifi are disclosed. One aspect is a method of transmitting a wireless message on a medium utilizing carrier sense multiple access (CSMA). The method includes receiving, via a first wireless device, at least a portion of a first wireless message from a second wireless device, the message including an indication of a basic service set of the second wireless device. The method also includes determining whether to defer transmission of a second wireless message based, at least in part, on the basic service set of the second wireless device.

Abstract translation: 公开了使用高效率WiFi并发通信的系统和方法。 一个方面是使用载波侦听多路访问（CSMA）在介质上传送无线消息的方法。 该方法包括经由第一无线设备从第二无线设备接收第一无线消息的至少一部分，该消息包括第二无线设备的基本服务集的指示。 该方法还包括至少部分地基于第二无线设备的基本服务集来确定是否延迟第二无线消息的传输。

公开(公告)号：US09537688B2

公开(公告)日：2017-01-03

申请号：US14321331

申请日：2014-07-01

Applicant: QUALCOMM Incorporated

Inventor： Simone Merlin ,  Bin Tian ,  Sameer Vermani ,  Eugene Jong-Hyon Baik

IPC: H04B15/00 ,  H04L27/00 ,  H04W74/08

CPC classification number: H04L27/0006 ,  H04W74/0808

Abstract: Systems and methods of clear channel assessment on a wireless network are disclosed. In one aspect, a method includes determining a clear channel assessment (CCA) threshold based on a first transmission bandwidth, performing a first back-off procedure based on the determined clear channel assessment threshold; and transmitting a first wireless message in response to a completion of the first back-off procedure.

Abstract translation: 公开了在无线网络上进行清晰信道评估的系统和方法。 一方面，一种方法包括基于第一传输带宽确定清除信道评估（CCA）阈值，基于所确定的清除信道评估阈值执行第一退避过程; 以及响应于所述第一退避过程的完成来发送第一无线消息。

公开(公告)号：US09525522B2

公开(公告)日：2016-12-20

申请号：US14614294

申请日：2015-02-04

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Jialing Li Chen ,  Bin Tian ,  Sameer Vermani

IPC: H04L5/00

CPC classification number: H04L5/0007 ,  H04L5/0037 ,  H04W48/00 ,  H04W72/00

Abstract: Methods and apparatus methods and apparatus for providing wireless messages according to various tone plans. In one aspect, an apparatus includes a processing system configured to allocate a resource for wireless communication to each of a plurality of devices. The resource includes at least one of a sub-band of frequencies or a subset of data tones within a single uplink or downlink tone plan. The processing system is further configured to provide the resource allocation to the devices. The processing system is further configured to process a message according to one of an uplink or downlink tone plan associated with at least one of the allocated sub-band or the allocated subset.

Abstract translation: 用于根据各种音调计划提供无线消息的方法和装置方法和装置。 一方面，一种装置包括处理系统，其配置为向多个设备中的每一个分配用于无线通信的资源。 该资源包括单个上行链路或下行链路音调方案中的频率子带或数据音调的子集中的至少一个。 处理系统还被配置为向设备提供资源分配。 处理系统还被配置为根据与所分配的子带或所分配的子集中的至少一个相关联的上行链路或下行链路音调方案中的一个来处理消息。

公开(公告)号：US20160323778A1

公开(公告)日：2016-11-03

申请号：US15138972

申请日：2016-04-26

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Rahul Tandra ,  Arjun Bharadwaj ,  Bin Tian

IPC: H04W28/06 ,  H04W72/04

CPC classification number: H04W28/065 ,  H04L5/0044 ,  H04L5/0053 ,  H04W72/04 ,  H04W84/12

Abstract: Techniques are described for wireless communication. A method for wireless communication at an access point may include identifying a number of stations to receive data from the access point, and generating a downlink frame to transmit the data to the identified number of stations. The downlink frame may include a first signaling field (e.g., a wireless local area network (WLAN) signaling field) directed to the identified number of stations. The first signaling field may include a first segment and a second segment. The first segment may include information common to each of the identified number of stations. The second segment may include at least one information block. Each information block may be separately encoded for each of the identified number of stations. The method may also include transmitting the downlink frame to the identified number of stations.

Abstract translation: 技术描述为无线通信。 用于在接入点处的无线通信的方法可以包括识别从接入点接收数据的站的数量，以及生成下行链路帧以将数据发送到所识别的站数。 下行链路帧可以包括针对所识别的站数的第一信令字段（例如，无线局域网（WLAN）信令字段）。 第一信令字段可以包括第一段和第二段。 第一段可以包括每个标识的站数的公共信息。 第二段可以包括至少一个信息块。 每个信息块可以针对所标识的数量的站中的每一个被单独编码。 该方法还可以包括将下行链路帧发送到所识别的站数。

公开(公告)号：US09485334B2

公开(公告)日：2016-11-01

申请号：US14645044

申请日：2015-03-11

Applicant: QUALCOMM Incorporated

Inventor： Bin Tian ,  Sameer Vermani ,  Albert Van Zelst ,  Didier Johannes Richard Van Nee

IPC: H04W4/00 ,  H04L29/06 ,  H04L1/00 ,  H04L27/26 ,  H04L1/18 ,  H04W84/12

CPC classification number: H04L69/22 ,  H04L1/0009 ,  H04L1/0086 ,  H04L1/1854 ,  H04L1/1864 ,  H04L27/2607 ,  H04W84/12

Abstract: Aspects of the present disclosure relate to techniques for generating responses to extended length frames having increased symbol lengths without changing the short interframe space duration. According to certain aspects, a method for transmitting an extended length frame generally includes generating a packet having a preamble decodable by a first type of device having a first set of capabilities and a second type of device having a second set of capabilities, wherein at least a first portion of the packet is generated using an increased symbol duration or increased cyclic prefix relative to a second portion of the packet generated using a standard symbol duration or standard cyclic prefix and the packet includes padding symbols after the first portion, and outputting the generated packet for transmission.

Abstract translation: 本公开的方面涉及用于对具有增加的符号长度的扩展长度帧产生响应的技术，而不改变短的帧间间隔持续时间。 根据某些方面，用于发送扩展长度帧的方法通常包括生成具有可由具有第一组能力的第一类型的设备解码的前同步码的分组和具有第二组能力的第二类型的设备，其中至少 使用相对于使用标准符号持续时间或标准循环前缀生成的分组的第二部分的增加的符号持续时间或增加的循环前缀生成分组的第一部分，并且分组包括在第一部分之后的填充符号，并且输出生成的 分组传输。