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：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：US09503932B2

公开(公告)日：2016-11-22

申请号：US14559531

申请日：2014-12-03

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Lin Yang ,  Hemanth Sampath ,  Vincent Knowles Jones, IV ,  Didier Johannes Richard Van Nee

IPC: H04W28/06 ,  H04L27/00 ,  H04L27/26 ,  H04L27/34 ,  H04W84/12

CPC classification number: H04W28/065 ,  H04L27/0012 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/345 ,  H04W84/12

Abstract: Certain aspects of the present disclosure present a technique for enabling a receiver to detect mode of transmission of a signal based on a common field transmitted to all the receivers. The proposed technique includes frame structure in which information about the transmission mode is transmitted in a first portion of a SIG field to all the receivers.

Abstract translation: 本公开的某些方面提供了一种用于使接收机能够基于发送到所有接收机的公共字段来检测信号的传输模式的技术。 所提出的技术包括帧结构，其中关于传输模式的信息在SIG字段的第一部分中发送到所有接收机。

公开(公告)号：US09467259B2

公开(公告)日：2016-10-11

申请号：US14527597

申请日：2014-10-29

Applicant: QUALCOMM Incorporated

Inventor： Rahul Tandra ,  Sameer Vermani ,  Bin Tian ,  Lin Yang

IPC: H04W4/00 ,  H04L5/00 ,  H04B7/04 ,  H04L27/26 ,  H04W72/04 ,  H04L27/00

CPC classification number: H04L5/003 ,  H04B7/0452 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0069 ,  H04L5/0094 ,  H04L27/0008 ,  H04L27/2601 ,  H04L27/2602 ,  H04W72/0453

Abstract: Methods and apparatus for multiple user communication are provided. In one aspect, method for wireless communication includes generating a packet comprising a multiple-user multiple-input multiple-output (MU-MIMO) portion and an orthogonal frequency division multiple access (OFDMA) portion. The method further includes transmitting the packet over a packet transmission frequency bandwidth.

Abstract translation: 提供了多用户通信的方法和装置。 一方面，用于无线通信的方法包括生成包括多用户多输入多输出（MU-MIMO）部分和正交频分多址（OFDMA）部分的分组。 该方法还包括通过分组传输频率带宽发送分组。

公开(公告)号：US20160119453A1

公开(公告)日：2016-04-28

申请号：US14887172

申请日：2015-10-19

Applicant: QUALCOMM Incorporated

Inventor： Tao Tian ,  Lin Yang ,  Sameer Vermani ,  Bin Tian ,  Rahul Tandra ,  Youhan Kim

IPC: H04L29/06 ,  H04W84/12 ,  H04L5/04

CPC classification number: H04L69/22 ,  H04L5/04 ,  H04W28/06 ,  H04W84/12

Abstract: A method of wirelessly communicating a packet includes generating, at a wireless device, a first packet. The first packet includes a first preamble decodable by a plurality of devices and a second preamble decodable by only a subset of the plurality of devices. The first preamble includes a first signal field, and the second preamble includes a second signal field. The method further includes setting a length indication of the first signal field to carry non-length signal information. The method further includes transmitting the first packet.

Abstract translation: 无线地传送分组的方法包括在无线设备处生成第一分组。 第一分组包括可由多个设备解码的第一前同步码，以及仅由多个设备的子集解码的第二前同步码。 第一前导码包括第一信号字段，并且第二前导码包括第二信号字段。 该方法还包括设置第一信号字段的长度指示以携带非长度信号信息。 该方法还包括发送第一分组。

公开(公告)号：US20160080043A1

公开(公告)日：2016-03-17

申请号：US14853872

申请日：2015-09-14

Applicant: QUALCOMM Incorporated

Inventor： Bin Tian ,  Lin Yang ,  Jialing Li Chen ,  Sameer Vermani ,  Rahul Tandra ,  Youhan Kim ,  Didier Johannes Richard van Nee

IPC: H04B7/02 ,  H04L1/00 ,  H04L1/06

CPC classification number: H04B7/022 ,  H04L1/0071 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0037 ,  H04L5/0044 ,  H04L5/0053 ,  H04L27/2601 ,  H04W48/12

Abstract: Methods and apparatuses for communicating over a wireless communication network are disclosed herein. One method includes forming a message that includes a plurality of data tones and one or more direct current (DC) protection tones. The method further includes setting a value for a data tone of the plurality of data tones to carry a data portion of the message. The method further includes setting a value for a DC protection tone of the one or more DC protection tones by repeating the value for the data tone as the value for the DC protection tone. The method further includes transmitting the message to one or more wireless communication devices utilizing the plurality of data tones and the one or more DC protection tones.

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。 一种方法包括形成包括多个数据音调和一个或多个直流（DC）保护音调的消息。 该方法还包括设置多个数据音调的数据音调的值以携带该消息的数据部分。 该方法还包括通过将数据音调的值重复为DC保护音的值来设置一个或多个DC保护音调的直流保护音的值。 该方法还包括利用多个数据音调和一个或多个DC保护音调将消息发送到一个或多个无线通信设备。

公开(公告)号：US20160050666A1

公开(公告)日：2016-02-18

申请号：US14825944

申请日：2015-08-13

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Jialing Li Chen ,  Sameer Vermani ,  Bin Tian ,  Rahul Tandra ,  Youhan Kim

IPC: H04W72/04

CPC classification number: H04W72/02 ,  H04L1/0041 ,  H04L27/2602 ,  H04W72/04

Abstract: Methods and apparatus for providing wireless messages according to various tone plans can include, for example, a method of wireless communication. The method includes selecting at least one of a 242-tone resource unit (RU), associated with a 256-tone plan including 234 data tones, 8 pilot tones, 3 direct current tones, and 11 edge tones, for transmission over a 20 MHz bandwidth, or a 484-tone RU, associated with a 512-tone plan including 468 data tones, 16 pilot tones, 5 direct current tones, and 23 edge tones, for transmission over a 40 MHz bandwidth. The method further includes providing a message for transmission according to the 256-tone plan or 512-tone plan.

Abstract translation: 根据各种音调计划提供无线消息的方法和装置可以包括例如无线通信的方法。 该方法包括：选择与包括234个数据音调的256色调计划相关联的242音调资源单元（RU）中的至少一个，8个导频音调，3个直流音调和11个边缘音调，用于在20MHz 带宽或484音调RU，与包括468个数据音调，16个导频音，5个直流音调和23个边缘音调的512音调方案相关联，用于在40 MHz带宽上传输。 该方法还包括根据256色调计划或512色调计划提供用于传输的消息。

公开(公告)号：US20160044675A1

公开(公告)日：2016-02-11

申请号：US14817091

申请日：2015-08-03

Applicant: QUALCOMM Incorporated

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

IPC: H04W72/04 ,  H03M13/11

CPC classification number: H04W72/0453 ,  H03M13/1102 ,  H04L1/0057 ,  H04L1/0071 ,  H04L5/0023 ,  H04L5/0044 ,  H04L5/0048 ,  H04L27/2602

Abstract: Methods and apparatuses for providing wireless messages according to various tone plans can include a system configured to generate a message according to a 2048-tone plan having 1960 data tones. The 2048-tone plan includes two identical 1024-tone plans each having 980 data tones. The system can further perform segment parsing to divide data into two data portions, each portion for transmission over one of two 80 MHz bandwidths, according to one of the two identical 1024-tone plans. The system can further perform low density parity check (LDPC) tone mapping separately on each of the two data portions. The system can further provide the message for transmission over a 160 MHz bandwidth including the two 80 MHz bandwidths.

Abstract translation: 根据各种音调计划提供无线消息的方法和装置可以包括被配置为根据具有1960个数据音调的2048音调方案生成消息的系统。 2048色调计划包括两个相同的1024色调图，每个具有980个数据色调。 根据两个相同的1024色调计划中的一个，系统可以进一步执行段解析以将数据划分成两个数据部分，每个部分用于在两个80MHz带宽之一上传输。 该系统可以进一步在两个数据部分中的每一个上分别执行低密度奇偶校验（LDPC）色调映射。 该系统还可以提供用于在包括两个80MHz带宽的160MHz带宽上传输的消息。

公开(公告)号：US20150381399A1

公开(公告)日：2015-12-31

申请号：US14846310

申请日：2015-09-04

Applicant: QUALCOMM Incorporated

Inventor： Mohammad Hossein Taghavi Nasrabadi ,  Sameer Vermani ,  Lin Yang ,  Hemanth Sampath

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2647 ,  H04L5/0023 ,  H04L5/0053 ,  H04L27/2613 ,  H04L27/2628

Abstract: Systems, methods, and devices for wireless communication. In one aspect, an apparatus for wireless communication is provided. The apparatus includes a receiver configured to receive a wireless signal comprising a packet. At least a portion of the wireless signal is configured to be received over a bandwidth lower than or equal to 1.25 MHz. The packet is formed from at least one orthogonal frequency-division multiplexing (OFDM) symbol comprising thirty-two tones. The thirty-two tones correspond to frequency subcarriers within the bandwidth. The thirty-two tones of the at least one OFDM symbol are allocated as: twenty-four data tones, two pilot tones, five guard tones, and one direct current (DC) tone. The apparatus includes a processor configured to evaluate the wireless signal. The processor includes a transform module configured to convert the at least one OFDM symbol into a frequency domain signal using a thirty-two point mode.

Abstract translation: 用于无线通信的系统，方法和设备。 一方面，提供一种无线通信装置。 该装置包括被配置为接收包括分组的无线信号的接收机。 无线信号的至少一部分被配置为在低于或等于1.25MHz的带宽上接收。 分组由包括三十二个音调的至少一个正交频分复用（OFDM）符号形成。 32个音调对应于带宽内的频率子载波。 至少一个OFDM符号的三十二个音调被分配为：二十四个数据音调，两个导频音调，五个保护音调和一个直流（DC）音调。 该装置包括被配置为评估无线信号的处理器。 处理器包括变换模块，其被配置为使用三十二点模式将至少一个OFDM符号转换成频域信号。

公开(公告)号：US20150365195A1

公开(公告)日：2015-12-17

申请号：US14740125

申请日：2015-06-15

Applicant: QUALCOMM Incorporated

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

IPC: H04L1/00 ,  H04L5/00

CPC classification number: H04L1/0071 ,  H03M13/271 ,  H03M13/6508 ,  H04L1/06 ,  H04L5/0007 ,  H04L5/0044 ,  H04L27/2634

Abstract: Methods and techniques for interleaving orthogonal frequency division multiple access (OFDMA) data are disclosed. An apparatus includes an interleaver configured to interleave encoded data for at least one of a 72, 120, or 312 data tone allocation. The interleaver is further configured to generate a series of interleaved bits, for transmission based on the interleaved encoded data. The interleaver includes one or more stream interleavers corresponding to one or more spatial streams. The one or more stream interleavers are further configured to interleave the encoded data and generate the series of interleaved bits. The apparatus further includes a transmission circuit configured to transmit the series of interleaved bits via the one or more spatial streams.

Abstract translation: 公开了用于交织正交频分多址（OFDMA）数据的方法和技术。 一种装置包括：交织器，被配置为对72,120或312个数据音调分配中的至少一个交织编码数据。 交织器还被配置为生成用于基于交织的编码数据的传输的一系列交错比特。 交织器包括对应于一个或多个空间流的一个或多个流交织器。 一个或多个流交织器还被配置为交织编码数据并生成一系列交错比特。 所述装置还包括被配置为经由所述一个或多个空间流来传送所述一系列交错比特的发送电路。