公开(公告)号：US20150003378A1

公开(公告)日：2015-01-01

申请号：US14468994

申请日：2014-08-26

Applicant: QUALCOMM Incorporated

Inventor： Vincent Knowles Jones, IV ,  Sameer Vermani ,  Simone Merlin ,  Hemanth Sampath

IPC: H04W72/08 ,  H04W16/14

CPC classification number: H04W72/082 ,  H04W16/14 ,  H04W48/16 ,  H04W84/12 ,  H04W84/18

Abstract: Certain aspects of the present disclosure provide methods and apparatus for the coexistence of 1 MHz and 2 MHz operation modes within a wireless communication system in accordance with IEEE 802.11ah, for example. One example method generally includes scanning a plurality of channel pairs, wherein each of the channel pairs comprises a first channel having a first channel designation and a second channel having a second channel designation; determining, based on the scan, a set of open channels from the plurality of channel pairs in which no other apparatus is operating; selecting a primary channel based on the determination; and transmitting using the selected primary channel. The selection of the primary channel involves channel selection rules disclosed herein.

Abstract translation: 本公开的某些方面提供了例如根据IEEE 802.11ah在无线通信系统内共存1MHz和2MHz操作模式的方法和装置。 一个示例性方法通常包括扫描多个信道对，其中每个信道对包括具有第一信道指定的第一信道和具有第二信道指定的第二信道; 基于扫描确定来自多个信道对的一组开放信道，其中没有其他装置正在其中操作; 基于确定选择主要频道; 并使用所选择的主信道进行发送。 主要信道的选择涉及这里公开的信道选择规则。

公开(公告)号：US20140328265A1

公开(公告)日：2014-11-06

申请号：US14266751

申请日：2014-04-30

Applicant: QUALCOMM Incorporated

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

IPC: H04W16/14 ,  H04W74/08 ,  H04W72/04

CPC classification number: H04W72/042 ,  H04W16/10 ,  H04W16/14 ,  H04W72/04 ,  H04W72/0453 ,  H04W72/082 ,  H04W74/0816 ,  H04W74/085 ,  H04W84/12 ,  H04W88/08

Abstract: Systems, methods, and devices for transmitting data are described herein. In some aspects, a method comprises generating a first message. The first message may comprise an allocation of a first station to a first frequency channel and a second station to a second frequency channel. The method further comprises transmitting the first message over the first frequency channel and the second frequency channel. The method further comprises transmitting, after transmission of the first message, a second message to the first station using the first frequency channel. The method further comprises transmitting, after transmission of the first message, a third message to the second station using the second frequency channel.

Abstract translation: 本文描述了用于传输数据的系统，方法和设备。 在一些方面，一种方法包括生成第一消息。 第一消息可以包括将第一站分配到第一频率信道，将第二站点分配给第二频率信道。 该方法还包括通过第一频道和第二频道发送第一消息。 该方法还包括在使用第一频率信道向第一站发送第一消息之后，发送第一消息。 该方法还包括在使用第二频率信道向第二站传输第一消息之后发送第三消息。

公开(公告)号：US20140328261A1

公开(公告)日：2014-11-06

申请号：US14265251

申请日：2014-04-29

Applicant: QUALCOMM Incorporated

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

IPC: H04L5/00

CPC classification number: H04L5/0073 ,  H04L5/0037 ,  H04L5/0094 ,  H04W72/0406 ,  H04W72/0453 ,  H04W76/14

Abstract: Systems, methods, and devices for concurrently allowing station-to-station transmissions and access point-to-station transmissions are described herein. In some aspects, a method comprises transmitting, to an access point, a request for an available channel frequency. The method further comprises receiving a coordination message from the access point. The coordination message may indicate that a first frequency channel is allocated for transmissions between a first device and a second device and that a second frequency channel is allocated for transmissions between a third device and a fourth device. The method further comprises transmitting a first data packet to the fourth device using the second frequency channel concurrently with a transmission of a second data packet between the first device and the second device using the first frequency channel.

Abstract translation: 这里描述了用于同时允许站到站传输和接入点对站传输的系统，方法和设备。 在一些方面，一种方法包括向接入点发送对可用信道频率的请求。 该方法还包括从接入点接收协调消息。 协调消息可以指示为第一设备和第二设备之间的传输分配第一频道，并且为第三设备和第四设备之间的传输分配第二频道。 该方法还包括使用第二频道与第二数据分组在第一设备和第二设备之间的传输同时使用第一频率信道向第四设备发送第一数据分组。

公开(公告)号：US20140328249A1

公开(公告)日：2014-11-06

申请号：US14253731

申请日：2014-04-15

Applicant: QUALCOMM Incorporated

Inventor： Sameer Vermani ,  Bin Tian ,  Rahul Tandra

IPC: H04L29/08 ,  H04W28/06

CPC classification number: H04L69/323 ,  H04L5/0007 ,  H04L27/2613 ,  H04W28/065

Abstract: Systems and methods for aggregation of multiple physical protocol data units are disclosed. In one aspect, a method of transmitting a physical layer packet to a plurality of wireless devices is disclosed. The method includes generating a physical layer packet, the packet including a plurality of payloads, wherein at least one of the payloads comprises first data addressed to a first device and second data addressed to a second device, and wherein each payload is preceded by at least a signal field in the physical layer packet, and transmitting the physical layer packet.

Abstract translation: 公开了用于多个物理协议数据单元的聚合的系统和方法。 一方面，公开了将物理层分组发送到多个无线装置的方法。 该方法包括生成物理层分组，分组包括多个有效载荷，其中有效载荷中的至少一个包括寻址到第一设备的第一数据和寻址到第二设备的第二数据，并且其中每个有效载荷至少在前面至少 物理层分组中的信号字段，并发送物理层分组。

公开(公告)号：US20140328195A1

公开(公告)日：2014-11-06

申请号：US14266754

申请日：2014-04-30

Applicant: QUALCOMM Incorporated

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

IPC: H04W72/04

CPC classification number: H04W72/042 ,  H04W16/10 ,  H04W16/14 ,  H04W72/04 ,  H04W72/0453 ,  H04W72/082 ,  H04W74/0816 ,  H04W74/085 ,  H04W84/12 ,  H04W88/08

Abstract: Systems, methods, and devices for transmitting data are described herein. In some aspects, a method comprises generating a first packet. The first packet may comprise a physical layer and a media access control (MAC) layer. The MAC layer may allocate a first station to a primary frequency channel and a second station to a secondary frequency channel. The method further comprises transmitting the first packet to the first station and the second station. The method further comprises transmitting a second packet to the first station using the primary frequency channel. The method further comprises transmitting a third packet to the second station using the secondary frequency channel.

Abstract translation: 本文描述了用于传输数据的系统，方法和设备。 在一些方面，一种方法包括生成第一分组。 第一分组可以包括物理层和媒体访问控制（MAC）层。 MAC层可以将第一站分配给主频道，而将第二站分配给次频信道。 该方法还包括将第一分组发送到第一站和第二站。 该方法还包括使用主频道向第一站发送第二分组。 该方法还包括使用次频道向第二站发送第三分组。

公开(公告)号：US20140328191A1

公开(公告)日：2014-11-06

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: H04W72/04 ,  H04W52/24

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：US20140307612A1

公开(公告)日：2014-10-16

申请号：US14250276

申请日：2014-04-10

Applicant: Qualcomm Incorporated

Inventor： Sameer Vermani ,  Rahul Tandra ,  Simone Merlin ,  Hemanth Sampath

IPC: H04W72/00 ,  H04L5/00

CPC classification number: H04L5/0044 ,  H04L5/0094 ,  H04L27/261 ,  H04L27/2613 ,  H04W56/0035

Abstract: Systems, methods, and devices for wireless communication are disclosed herein. One aspect of the disclosure provides a method of transmitting to two or more wireless communication devices. The method includes transmitting a first section of a preamble according to a first format, the first section of the preamble containing information informing devices compatible with the first format to defer to the transmission, transmitting a second section of the preamble according to a second format, the second section of the preamble containing tone allocation information, the tone allocation information identifying two or more wireless communication devices; and transmitting data to the two or more wireless communication devices simultaneously, the data contained on two or more sub-bands.

Abstract translation: 本文公开了用于无线通信的系统，方法和设备。 本公开的一个方面提供了一种向两个或多个无线通信设备发送的方法。 该方法包括根据第一格式发送前导码的第一部分，所述前导码的第一部分包含与所述第一格式兼容的信息通知装置，以推迟所述传输，根据第二格式发送所述前导码的第二部分， 包含音调分配信息的前导码的第二部分，识别两个或更多个无线通信设备的音调分配信息; 以及同时向所述两个或更多个无线通信设备发送数据，所述数据包含在两个或更多个子带上。

公开(公告)号：US20140269768A1

公开(公告)日：2014-09-18

申请号：US13826014

申请日：2013-03-14

Applicant: QUALCOMM INCORPORATED

Inventor： Sameer Vermani ,  Bin Tian ,  Albert va Zelst

IPC: H04B7/06 ,  H04L29/06

CPC classification number: H04L69/22 ,  H04B7/0669 ,  H04B7/0671 ,  H04B7/068 ,  H04B7/12

Abstract: Certain aspects of the present disclosure provide methods and apparatus for obtaining second-order downlink spatial diversity within a wireless communication system in accordance with IEEE 802.11ah, for example. One example method generally includes generating a frame comprising a preamble having at least one field, replicating at least one bit of the at least one field to form a replica of the at least one bit, transmitting the at least one bit via a first antenna, and transmitting the replica of the at least one bit via a second antenna. Another example method generally includes generating at least two space-time streams; transmitting, via a first pair of antennas, the at least two space-time streams in a first frequency band; and transmitting, via a second pair of antennas, the at least two space-time streams in a second frequency band.

Abstract translation: 本公开的某些方面提供了例如根据IEEE 802.11ah在无线通信系统内获得二阶下行链路空间分集的方法和装置。 一个示例性方法通常包括生成包括具有至少一个场的前同步码的帧，复制至少一个场的至少一个比特以形成至少一个比特的副本，经由第一天线发射该至少一个比特， 以及经由第二天线发送所述至少一个比特的副本。 另一示例性方法通常包括生成至少两个时空流; 经由第一对天线在第一频带中发送所述至少两个空时流; 以及经由第二对天线在所述第二频带中发送所述至少两个时空流。

公开(公告)号：US08767873B2

公开(公告)日：2014-07-01

申请号：US13690497

申请日：2012-11-30

Applicant: QUALCOMM Incorporated

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

IPC: H04L27/00

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

Abstract: Methods and devices for communicating in a communication system are described herein. One aspect of the subject matter described in the disclosure provides a method of communicating over one or more space-time streams. The method includes transmitting a precoded portion of a first stream with a bandwidth of 1 MHz or less. The method further includes transmitting, when there are at least two streams, a precoded portion of a second stream with a cyclic shift delay, relative to the first stream, of 4 μs. The method further includes transmitting, when there are at least three streams, a precoded portion of a third stream with a cyclic shift delay, relative to the first stream, of 1 μs. The method further includes transmitting, when there are at least four streams, a precoded portion of a fourth stream with a cyclic shift delay, relative to the first stream, of 5 μs.

Abstract translation: 本文描述了用于在通信系统中通信的方法和设备。 在本公开中描述的主题的一个方面提供了一种在一个或多个时空流上进行通信的方法。 该方法包括以1MHz或更小的带宽传输第一流的预编码部分。 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的第二流的预编码部分为4μs。 该方法还包括：当存在至少三个流时，相对于第一流的循环移位延迟的第三流的预编码部分为1μs。 该方法还包括：当存在至少四个流时，相对于第一流的循环移位延迟的第五流的预编码部分为5μs。

公开(公告)号：US20140153507A1

公开(公告)日：2014-06-05

申请号：US14091052

申请日：2013-11-26

Applicant: Qualcomm Incorporated

Inventor： Lin Yang ,  Bin Tian ,  Sameer Vermani

IPC: H04L27/26

CPC classification number: H04L27/2621 ,  H04L27/2602 ,  H04L27/2613

Abstract: Methods, devices, and computer program products for optimally phase rotating duplicate frames in wireless LAN transmissions are disclosed. In one aspect, phase rotation sequences may be chosen in order to minimize a peak-to-average power ratio (PAPR) of a frame or data unit, or of a portion of a frame or data unit, where the frame contains a plurality of identical frequency segments, such as a duplicate frame. The method involves selecting a frame bandwidth, and then selecting a phase rotation sequence based upon the frame bandwidth. The method further includes generating a frame including a number of identical 1 MHz frequency segments, and rotating some of those segments relative to other segments, based on the selected phase rotation sequence. The method further includes transmitting the frame.

Abstract translation: 公开了用于无线LAN传输中的最佳相位旋转重复帧的方法，设备和计算机程序产品。 在一个方面，可以选择相位旋转序列，以便最小化帧或数据单元或帧或数据单元的一部分的峰均功率比（PAPR），其中帧包含多个 相同的频段，如重复帧。 该方法包括选择帧带宽，然后基于帧带宽选择相位旋转序列。 该方法还包括基于所选择的相位旋转序列生成包括多个相同的1MHz频率段的帧，以及相对于其他段旋转那些段中的一些段。 该方法还包括发送帧。