METHODS AND APPARATUS FOR CLEAR CHANNEL ASSESSMENT (CCA)
    22.
    发明申请
    METHODS AND APPARATUS FOR CLEAR CHANNEL ASSESSMENT (CCA) 审中-公开
    清晰通道评估方法和设备(CCA)

    公开(公告)号:WO2015003053A1

    公开(公告)日:2015-01-08

    申请号:PCT/US2014/045241

    申请日:2014-07-02

    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。

    METHODS AND APPARATUS FOR CLEAR CHANNEL ASSESSMENT
    23.
    发明申请
    METHODS AND APPARATUS FOR CLEAR CHANNEL ASSESSMENT 审中-公开
    清除信道评估的方法和设备

    公开(公告)号:WO2014197311A1

    公开(公告)日:2014-12-11

    申请号:PCT/US2014/040215

    申请日:2014-05-30

    Abstract: Systems and methods for determining primary channel availability are disclosed. One aspect is a method in a wireless communications system including a first primary channel having first and second frequency spectrum bandwidths. The second frequency spectrum bandwidth includes the first frequency spectrum bandwidth. The method includes determining whether a first preamble has been detected on the second primary channel during a first threshold period of time, determining whether a second preamble has been detected on the first primary channel during a second threshold period of time, determining whether a guard interval has been detected on the second primary channel during a third threshold period of time, determining whether the second primary channel is idle based at least in part on detection of the first preamble, the second preamble and the guard interval, and transmitting a wireless message based at least in part on whether the second primary channel is idle.

    Abstract translation: 公开了用于确定主要信道可用性的系统和方法。 一个方面是一种包括具有第一和第二频谱带宽的第一主信道的无线通信系统中的方法。 第二频谱带宽包括第一频谱带宽。 该方法包括确定在第一阈值时段期间是否在第二主信道上检测到第一前同步码,确定在第二阈值时段期间是否在第一主信道上检测到第二前导码,确定是否保护间隔 至少部分地基于第一前导码,第二前同步码和保护间隔的检测来确定第二主信道是否空闲,并且基于第二主信道发送无线消息, 至少部分地基于第二主要信道是否空闲。

    SYSTEMS AND METHODS FOR AGGREGATION OF PHYSICAL PROTOCOL DATA UNITS ON A WIRELESS NETWORK
    24.
    发明申请
    SYSTEMS AND METHODS FOR AGGREGATION OF PHYSICAL PROTOCOL DATA UNITS ON A WIRELESS NETWORK 审中-公开
    在无线网络上聚合物理协议数据单元的系统和方法

    公开(公告)号:WO2014179079A1

    公开(公告)日:2014-11-06

    申请号:PCT/US2014/034373

    申请日:2014-04-16

    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,该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。

    SYSTEMS AND METHODS OF USING SPACE TIME BLOCK CODES
    25.
    发明申请
    SYSTEMS AND METHODS OF USING SPACE TIME BLOCK CODES 审中-公开
    使用空间时间块代码的系统和方法

    公开(公告)号:WO2013158356A1

    公开(公告)日:2013-10-24

    申请号:PCT/US2013/034677

    申请日:2013-03-29

    Abstract: In a particular embodiment, a method includes applying a first stream to antenna mapping scheme to a preamble portion of a packet. The method further includes applying a second stream to antenna mapping scheme to a data portion of the packet. The second stream to antenna mapping scheme is applied to the data portion of the packet but not to the preamble portion of the packet. The second stream to antenna mapping scheme includes a circulation scheme or a cyclic delay diversity (CDD) scheme.

    Abstract translation: 在特定实施例中,一种方法包括将第一流应用于天线映射方案到分组的前导码部分。 该方法还包括将第二流应用于天线映射方案到分组的数据部分。 将第二流到天线映射方案应用于分组的数据部分,但不应用于分组的前导码部分。 第二流到天线映射方案包括循环方案或循环延迟分集(CDD)方案。

    SYSTEMS AND METHODS FOR ESTABLISHING A CONNECTION SETUP THROUGH RELAYS
    26.
    发明申请
    SYSTEMS AND METHODS FOR ESTABLISHING A CONNECTION SETUP THROUGH RELAYS 审中-公开
    用于通过中继建立连接建立的系统和方法

    公开(公告)号:WO2013134685A2

    公开(公告)日:2013-09-12

    申请号:PCT/US2013/029954

    申请日:2013-03-08

    Abstract: Systems, methods, and devices for setting up a relay in a wireless communications network are described herein. In some aspects, a transmitter of a station is configured to transmit a relay request to an access point. The access point is configured to transmit a discovery request frame based on the relay request to at least one relay. Each of the at least one relay is configured to transmit a discovery message based on the discovery request frame to the station. A processor of the station is configured to select one relay of the at least one relay based on each received discovery message. The transmitter is further configured to transmit a message comprising an identification of the selected one relay of the at least one relay to the access point.

    Abstract translation: 这里描述了用于在无线通信网络中建立中继的系统,方法和设备。 在一些方面,站的发射机被配置为向接入点发送中继请求。 接入点被配置为基于中继请求向至少一个中继站发送发现请求帧。 至少一个中继站中的每个中继站被配置为基于发现请求帧向站发送发现消息。 站的处理器被配置为基于每个接收到的发现消息来选择至少一个中继站中的一个中继站。 发射机还被配置为向接入点发送包括至少一个中继的所选择的一个中继的标识的消息。

    SYSTEMS AND METHODS FOR WIRELESS COMMUNICATION OF LONG DATA UNITS
    27.
    发明申请
    SYSTEMS AND METHODS FOR WIRELESS COMMUNICATION OF LONG DATA UNITS 审中-公开
    长期数据单位无线通信系统与方法

    公开(公告)号:WO2013103543A1

    公开(公告)日:2013-07-11

    申请号:PCT/US2012/071053

    申请日:2012-12-20

    Abstract: Systems, methods, and devices for communicating long packets are described herein. In one aspect, an apparatus for wireless communication includes a receiver and a processor. The receiver wirelessly receives via wireless local area network a data unit comprising a plurality of training fields interposed between data symbols. The plurality of training fields includes a first training field followed by a second training field. The first training field includes a gain control sequence, and the second training field includes a channel estimation sequence. The processor decodes at least one data symbol based on the plurality of training fields. In another aspect, an apparatus for wireless communication includes a processor and a transmitter. The processor generates a data unit comprising a plurality of training fields inserted between data symbols, and the transmitter wirelessly transmits the data unit via wireless local area network.

    Abstract translation: 这里描述了用于传送长分组的系统,方法和设备。 一方面,一种用于无线通信的装置包括接收机和处理器。 接收机经由无线局域网无线地接收包括插入在数据符号之间的多个训练场的数据单元。 多个训练场包括跟随有第二训练场的第一训练场。 第一训练场包括增益控制序列,第二训练场包括信道估计序列。 处理器基于多个训练场解码至少一个数据符号。 在另一方面,一种用于无线通信的装置包括处理器和发射器。 处理器产生包括插入在数据符号之间的多个训练场的数据单元,并且发射机经由无线局域网无线地发送数据单元。

    SYSTEMS AND METHODS FOR COMMUNICATION OVER A PLURALITY OF FREQUENCIES STREAMS USING CYCLIC SHIFT DELAYS
    28.
    发明申请
    SYSTEMS AND METHODS FOR COMMUNICATION OVER A PLURALITY OF FREQUENCIES STREAMS USING CYCLIC SHIFT DELAYS 审中-公开
    使用循环移位延迟的多个频率流中的通信系统和方法

    公开(公告)号:WO2013082608A1

    公开(公告)日:2013-06-06

    申请号:PCT/US2012/067621

    申请日:2012-12-03

    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为4μs的第二流的预编码部分。 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一个流的预编码部分为1个小时。 该方法还包括当有至少四个流时,相对于第一流的循环移位延迟为5μs的第四流的预编码部分进行传输。

    CHANNEL SELECTION RULES FOR SUB-1-GHZ BASIC SERVICE SETS
    30.
    发明申请
    CHANNEL SELECTION RULES FOR SUB-1-GHZ BASIC SERVICE SETS 审中-公开
    1-GHZ基本服务组的通道选择规则

    公开(公告)号:WO2013066958A1

    公开(公告)日:2013-05-10

    申请号:PCT/US2012/062713

    申请日:2012-10-31

    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; 基于所述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。

Patent Agency Ranking