公开(公告)号：US09838513B2

公开(公告)日：2017-12-05

申请号：US14856351

申请日：2015-09-16

Applicant: QUALCOMM Incorporated

Inventor： Dung Ngoc Doan ,  Tao Tian ,  Sameer Vermani ,  Bin Tian ,  Lin Yang ,  Eric Pierre Rebeiz ,  Rahul Tandra ,  Simone Merlin ,  Alfred Asterjadhi ,  Yan Zhou

IPC: H04L29/06 ,  H04W72/04 ,  H04L27/26

CPC classification number: H04L69/22 ,  H04L27/261 ,  H04W72/04

Abstract: A method of wirelessly communicating a packet includes generating, at a first wireless device, a first packet including 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. The second preamble includes a first training field. The method further includes transmitting the first packet concurrently with one or more second packets to be transmitted by wireless devices other than the first wireless device.

公开(公告)号：US20170279640A1

公开(公告)日：2017-09-28

申请号：US15466645

申请日：2017-03-22

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian

IPC: H04L25/02 ,  H04L27/26 ,  H04L1/00

CPC classification number: H04L25/0202 ,  H03F1/3241 ,  H03F2201/3236 ,  H04L1/0003 ,  H04L25/0226 ,  H04L27/261 ,  H04L27/2623 ,  H04L27/2649 ,  H04W84/12

Abstract: A method performed by an electronic device is described. The method includes receiving a long training field (LTF) in a preamble of a packet. A power of the LTF is boosted relative to a power of a data field of the packet. The method also includes receiving a power amplifier (PA) model or a PA distortion error from a transmitting device. The method further includes regenerating a post-PA transmitted LTF based on the PA model or the PA distortion error. The method additionally includes demodulating the data field based on an estimated channel with deboosting.

公开(公告)号：US09774481B2

公开(公告)日：2017-09-26

申请号：US13706816

申请日：2012-12-06

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Didier Johannes Richard Van Nee ,  Hemanth Sampath ,  Sameer Vermani ,  Tao Tian

IPC: H04L27/10 ,  H04L5/00

CPC classification number: H04L27/10 ,  H04L5/0048

Abstract: Systems and methods for using travelling pilots for channel estimation are described herein. In one aspect, wireless communications apparatus is described that comprises a processor configured to divide a plurality of tones on which pilot signals are to be transmitted among a plurality of symbols, wherein each symbol includes less than all of the plurality of tones and the plurality of symbols includes at least a subset of the plurality of tones. The wireless communication apparatus further comprises a transmitter configured to transmit, during a given symbol, pilot signals on the tones included in the given symbol, wherein the tones over which the pilot signals are transmitted are changed from symbol to symbol.

公开(公告)号：US20170126447A1

公开(公告)日：2017-05-04

申请号：US15335220

申请日：2016-10-26

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Jialing Li Chen ,  Arjun Bharadwaj

IPC: H04L27/26 ,  H04L5/00

CPC classification number: H04L27/2602 ,  H04L1/0071 ,  H04L1/04 ,  H04L5/0023 ,  H04L27/28 ,  H04W84/12 ,  H04W88/08

Abstract: Methods and apparatuses for providing wireless messages can include, for example, an apparatus configured to provide wireless communication. The apparatus includes a memory that stores instructions and a processor coupled with the memory and configured to execute the instructions to select a dual sub-carrier modulation (DCM) mode or a non-DCM mode. The processor is further configured to select one or more interleaver parameters based on the selection of the DCM mode or the non-DCM mode. The processor is further configured to select a first set of interleaver parameters when the DCM mode is selected and a second set of interleaver parameters, different than the first set of interleaver parameters, when the non-DCM mode is selected. The processor is further configured to apply the one or more interleaver parameters to interleave data of a message. The processor is further configured to provide the message for transmission to a receiving device.

公开(公告)号：US20160241369A1

公开(公告)日：2016-08-18

申请号：US15019808

申请日：2016-02-09

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Jialing Li Chen

IPC: H04L5/00 ,  H04L25/02

CPC classification number: H04L5/0048 ,  H04L1/0071 ,  H04L5/0051 ,  H04L25/0232 ,  H04L27/2602 ,  H04L27/2613 ,  H04L27/2634

Abstract: Methods and apparatuses for providing wireless messages according to various tone plans can include a method of wireless communication. The method can include generating, at a wireless device, an 80 MHz single-user message for transmission over 996 usable tones including 980 data tones and 16 pilot tones. The method further can include interleaving data for transmission on the data tones using an interleaver depth of using an interleaver depth of 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, or 290. The method further can include transmitting the message.

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无线通信的方法。 该方法可以包括在无线设备处生成80MHz单用户消息，用于通过996个可用音调传输，包括980个数据音调和16个导频音调。 该方法还可以包括使用使用交织器深度为2,4,5,7,10,14,20,28,35,49,70,98,140,​​196的交织器深度在数据音调上交织数据以进行传输 ，245或290.该方法还可以包括发送消息。

公开(公告)号：US20160050672A1

公开(公告)日：2016-02-18

申请号：US14825108

申请日：2015-08-12

Applicant: QUALCOMM Incorporated

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

IPC: H04W72/06

CPC classification number: H04W72/06 ,  H04L1/0071 ,  H04L5/0007 ,  H04L5/001 ,  H04L5/0037 ,  H04L5/0039 ,  H04L5/0044 ,  H04L27/2601 ,  H04W84/12

Abstract: Methods and apparatus for providing wireless messages according to various tone plans can include a method of wireless communication. The method includes allocating a first allocation unit associated with a first tone plan having a first number of tones, for communication of one or more wireless messages by a wireless device. The method further includes allocating a second allocation unit, associated with a second tone plan having a second number of tones different from the first number of tones, for communication of one or more wireless messages by the wireless device. The method further includes selecting a combined tone plan for the wireless device based on at least the first tone plan and the second tone plan. The method further includes providing a wireless message for transmission by the wireless device according to the combined 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无线通信的方法。 该方法包括分配与具有第一数量的音调的第一音调方案相关联的第一分配单元，用于由无线设备通信一个或多个无线消息。 所述方法还包括：分配与第二音调方案相关联的第二分配单元，所述第二音调方案具有不同于所述第一音调数量的第二音调数量，以用于由所述无线设备通信一个或多个无线消息。 该方法还包括至少基于第一音调方案和第二音调方案来选择无线装置的组合音调方案。 该方法还包括提供无线消息以供无线设备根据组合音调计划进行传输。

公开(公告)号：US20150223246A1

公开(公告)日：2015-08-06

申请号：US14612891

申请日：2015-02-03

Applicant: QUALCOMM Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Sameer Vermani

IPC: H04W72/04 ,  H04W4/12

CPC classification number: H04W4/12 ,  H04L5/0007 ,  H04L5/0037 ,  H04W48/00 ,  H04W52/0216 ,  H04W52/0229 ,  H04W72/00 ,  H04W88/06 ,  Y02D70/1222 ,  Y02D70/1262 ,  Y02D70/142

Abstract: Methods and apparatus methods and apparatus for providing wireless messages according to various tone plans. One aspect of the disclosure provides an apparatus including a processing system. The processing system is configured to select from one of a 256-, 512-, 1024-, and 2048-tone plan for wireless communication of a message. The processing system is further configured to, upon selecting the 256-tone plan, provide the message for transmission over a 20 MHz bandwidth. The processing system is further configured to, upon selecting the 512-tone plan, provide the message for transmission over a 40 MHz bandwidth. The processing system is further configured to, upon selecting the 1024-tone plan, provide the message for transmission over a 80 MHz bandwidth. The processing system is further configured to, upon selecting the 2048-tone plan, provide the message for transmission over a 160 MHz bandwidth.

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。 本公开的一个方面提供了一种包括处理系统的装置。 处理系统被配置为从消息的无线通信的256，512，1024和2048音调方案之一进行选择。 所述处理系统还被配置为在选择256色调计划时提供用于在20MHz带宽上传输的消息。 所述处理系统还被配置为在选择所述512色调计划之后，提供用于在40MHz带宽上进行传输的消息。 处理系统还被配置为在选择1024色调计划时，提供用于在80MHz带宽上传输的消息。 所述处理系统还被配置为在选择2048色调计划时，提供用于在160MHz带宽上传输的消息。

公开(公告)号：US09048936B2

公开(公告)日：2015-06-02

申请号：US13729785

申请日：2012-12-28

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Lin Yang ,  Eugene J. Baik ,  Hemanth Sampath

IPC: H04B1/00 ,  H04B1/707 ,  H04L27/26 ,  H04L25/02 ,  H04B1/7075

CPC classification number: H04B1/707 ,  H04B1/7075 ,  H04L25/0226 ,  H04L27/2602

Abstract: Systems, methods, and devices for communicating in a wireless network are described herein. In an aspect, a method of transmitting a data unit includes generating a data unit. The data unit includes one or more short training field (STF) sequences. The method further includes encoding each of the STF sequences with a pseudo-random spreading code. The code is based on an addressee of the data unit. The method further includes transmitting, at a transmitter, the data unit over a wireless channel. In another aspect, a method of processing a data unit includes receiving, at a receiver, a data unit. The data unit includes one or more STF sequences. The method further includes determining whether the data unit comprises one or more differentially encoded symbols. The method further includes receiving one or more long training field (LTF) sequences when the data unit does not comprise one or more differentially encoded symbols.

Abstract translation: 本文描述了用于在无线网络中通信的系统，方法和设备。 一方面，发送数据单元的方法包括生成数据单元。 数据单元包括一个或多个短训练场（STF）序列。 该方法还包括用伪随机扩展码对每个STF序列进行编码。 代码是基于数据单元的收件人。 该方法还包括通过无线信道在发射机处发送数据单元。 在另一方面，一种处理数据单元的方法包括在接收器处接收数据单元。 数据单元包括一个或多个STF序列。 该方法还包括确定数据单元是否包括一个或多个差分编码符号。 该方法还包括当数据单元不包括一个或多个差分编码符号时，接收一个或多个长训练场（LTF）序列。

公开(公告)号：US08923432B2

公开(公告)日：2014-12-30

申请号：US13690481

申请日：2012-11-30

Applicant: QUALCOMM Incorporated

Inventor： Eugene J. Baik ,  Sameer Vermani ,  Lin Yang ,  Hemanth Sampath

IPC: H04L5/00 ,  H04B7/06 ,  H04B7/04

CPC classification number: H04L5/00 ,  H04B7/0413 ,  H04B7/0671

Abstract: Methods and devices for communicating in a communication system are described herein. One aspect provides a method of communicating over one or more space-time streams. The method includes transmitting a first stream with a bandwidth of 2 MHz or less. The method further includes transmitting, when there are at least two streams, a second stream with a cyclic shift delay relative to the first stream equal to half a period. The method further includes transmitting, when there are at least three streams, a third stream with a cyclic shift delay relative to one of the first and second stream equal to a quarter of the period. The method further includes transmitting, when there are at least four streams, a fourth stream with a cyclic shift delay relative to the other of the first and second stream equal to a quarter of the period.

Abstract translation: 本文描述了用于在通信系统中通信的方法和设备。 一方面提供了一种在一个或多个时空流上进行通信的方法。 该方法包括发送带宽为2MHz或更小的第一流。 该方法还包括：当存在至少两个流时，相对于第一流的循环移位延迟等于半个周期的第二流。 所述方法还包括：当存在至少三个流时，相对于所述第一和第二流中的一个等于所述周期的四分之一的循环移位延迟来发送第三流。 所述方法还包括：当存在至少四个流时，相对于所述第一和第二流中的另一个流具有循环移位延迟的第四流等于所述周期的四分之一。

公开(公告)号：US20130286961A1

公开(公告)日：2013-10-31

申请号：US13857315

申请日：2013-04-05

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Lin Yang

IPC: H04L1/00

CPC classification number: H04L1/0006 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0025 ,  H04L1/0028 ,  H04L5/0048

Abstract: Systems and methods for communicating long packets are described herein. In some aspects, an apparatus for wireless communication includes a processor and transmitter. The processor is configured to determine a modulation coding scheme (MCS) of a plurality of MCSs for a plurality of data symbols, each MCS of the plurality of MCS having a different MCS index value. Further, the processor is configured to generate a data unit comprising a set of training fields periodically inserted between the plurality of data symbols after every n number of data symbols, where n depends on the MCS index value of the MCS. The transmitter is configured to transmit wirelessly via wireless local area network the data unit to one or more devices.

Abstract translation: 这里描述了用于传送长分组的系统和方法。 在一些方面，一种用于无线通信的装置包括处理器和发射器。 处理器被配置为确定用于多个数据符号的多个MCS的调制编码方案（MCS），所述多个MCS中的每个MCS具有不同的MCS索引值。 此外，处理器被配置为生成包括在每n个数据符号之后周期性地插入在多个数据符号之间的一组训练场的数据单元，其中n取决于MCS的MCS索引值。 发射机被配置为通过无线局域网无线地将数据单元发送到一个或多个设备。