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1. 发明授权

US09154197B2 Number of streams indication for WLAN 有权
公开(公告)号：US09154197B2
公开(公告)日：2015-10-06
申请号：US12910608
申请日：2010-10-22
申请人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
发明人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
IPC分类号： H04J3/24 , H04H20/71 , H04L27/28 , H04B7/04 , H04B7/06 , H04L5/00 , H04L25/02
摘要： In a method for generating a preamble of a data unit for transmission via a communication channel, an indication of a first number of spatial or space-time streams is included in a first field of the preamble. The first number of spatial or space-time streams corresponds to transmission of the data unit to a first receiver. One or more training sequences are included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.

2. 发明授权

US09294164B2 Number of streams indication for WLAN 有权
标题翻译：无线局域网数据流指示
公开(公告)号：US09294164B2
公开(公告)日：2016-03-22
申请号：US12910608
申请日：2010-10-22
申请人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
发明人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
IPC分类号： H04J3/24 , H04H20/71 , H04L27/28 , H04B7/04 , H04B7/06 , H04L5/00 , H04L25/02
CPC分类号： H04B7/0452 , H04B7/0413 , H04B7/0669 , H04L5/0023 , H04L5/0048 , H04L5/005 , H04L5/0053 , H04L25/0226 , H04W84/12
摘要： In a method for generating a preamble of a data unit for transmission via a communication channel, an indication of a first number of spatial or space-time streams is included in a first field of the preamble. The first number of spatial or space-time streams corresponds to transmission of the data unit to a first receiver. One or more training sequences are included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.
摘要翻译：在用于生成用于经由通信信道传输的数据单元的前导码的方法中，在前导码的第一字段中包括第一数量的空间或时空流的指示。第一数量的空间或时空流对应于数据单元向第一接收机的传输。一个或多个训练序列被包括在前导码的第二个字段中。格式化前置码使得前导码的第一字段将在正在发送的前导码的第二字段之前被发送。

3. 发明授权

US09480018B2 Phy data unit format for MIMO 有权
标题翻译：用于MIMO的Phy数据单元格式
公开(公告)号：US09480018B2
公开(公告)日：2016-10-25
申请号：US12938260
申请日：2010-11-02
申请人： Yong Liu , Hongyuan Zhang , Raja Banerjea , Mao Yu
发明人： Yong Liu , Hongyuan Zhang , Raja Banerjea , Mao Yu
IPC分类号： H04W4/00 , H04W52/02 , H04W74/08 , H04W84/12
CPC分类号： H04W52/58 , H04W52/0219 , H04W52/0222 , H04W52/0229 , H04W74/0808 , H04W74/0816 , H04W84/12 , H04W88/08 , Y02D70/1262 , Y02D70/142
摘要： A method in a communication device for processing a received data unit includes determining whether the communication device is an intended receiver based on the received data unit, determining whether the received data unit includes an exclusive use indication, where the exclusive use indication indicates that a plurality of data units are transmitted only to the at least one intended receiver during a time period, where each of the plurality of data units has at least a respective physical layer (PHY) preamble, and determining a time interval during which the communication device need not listen for incoming data units using (i) a result of determining whether the received data unit includes an exclusive use indication and (ii) a result of determining whether the communication device is an intended receiver.
摘要翻译：用于处理接收数据单元的通信设备中的方法包括：基于接收到的数据单元确定通信设备是否是预期接收机，确定接收到的数据单元是否包括专用指示，其中专用指示指示多个在多个数据单元中的每个数据单元至少具有相应的物理层（PHY）前导码的时间周期期间仅将数据单元仅发送到至少一个预期的接收机，并且确定通信设备不需要的时间间隔使用（i）确定接收到的数据单元是否包括专用指示的结果来监听输入数据单元，以及（ii）确定通信设备是否是预期接收机的结果。

4. 发明授权

US08724546B2 Training sequence indication for WLAN 有权
标题翻译： WLAN的训练序列指示
公开(公告)号：US08724546B2
公开(公告)日：2014-05-13
申请号：US12910628
申请日：2010-10-22
申请人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
发明人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
IPC分类号： H04W4/00 , H04J3/24
CPC分类号： H04B7/0452 , H04B7/0413 , H04B7/0669 , H04L5/0023 , H04L5/0048 , H04L5/005 , H04L5/0053 , H04L25/0226 , H04W84/12
摘要： In a method for generating a preamble of a data unit for transmission via a multiple input, multiple output (MIMO) communication channel, a first field of the preamble is generated. The first field provides a plurality of indicators to a plurality of receivers. Each one of the plurality of indicators indicates a set of a plurality of training sequences that corresponds to transmission of the data unit to a corresponding one of the plurality of receivers. The plurality of training sequences is included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.
摘要翻译：在通过多输入多输出（MIMO）通信信道生成用于传输的数据单元的前同步码的方法中，生成前导码的第一字段。第一场向多个接收机提供多个指示符。多个指示符中的每个指示符指示对应于数据单元向多个接收器中的相应一个的传输的多个训练序列的集合。多个训练序列被包括在前导码的第二个字段中。格式化前置码使得前导码的第一字段将在正在发送的前导码的第二字段之前被发送。

5. 发明申请

US20110096797A1 TRAINING SEQUENCE INDICATION FOR WLAN 有权
标题翻译： WLAN的训练序列指示
公开(公告)号：US20110096797A1
公开(公告)日：2011-04-28
申请号：US12910628
申请日：2010-10-22
申请人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
发明人： Hongyuan Zhang , Raja Banerjea , Yong Liu , Mao Yu
IPC分类号： H04J3/24
CPC分类号： H04B7/0452 , H04B7/0413 , H04B7/0669 , H04L5/0023 , H04L5/0048 , H04L5/005 , H04L5/0053 , H04L25/0226 , H04W84/12
摘要： In a method for generating a preamble of a data unit for transmission via a multiple input, multiple output (MIMO) communication channel, a first field of the preamble is generated. The first field provides a plurality of indicators to a plurality of receivers. Each one of the plurality of indicators indicates a set of a plurality of training sequences that corresponds to transmission of the data unit to a corresponding one of the plurality of receivers. The plurality of training sequences is included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.
摘要翻译：在通过多输入多输出（MIMO）通信信道生成用于传输的数据单元的前同步码的方法中，生成前导码的第一字段。第一场向多个接收机提供多个指示符。多个指示符中的每个指示符指示对应于数据单元向多个接收器中的相应一个的传输的多个训练序列的集合。多个训练序列被包括在前导码的第二个字段中。格式化前置码使得前导码的第一字段将在正在发送的前导码的第二字段之前被发送。

6. 发明申请

US20110096796A1 NUMBER OF STREAMS INDICATION FOR WLAN 有权
标题翻译：无线局域网数量
公开(公告)号：US20110096796A1
公开(公告)日：2011-04-28
申请号：US12910608
申请日：2010-10-22
申请人： HONGYUAN ZHANG , Raja Banerjea , Yong Liu , Mao Yu
发明人： HONGYUAN ZHANG , Raja Banerjea , Yong Liu , Mao Yu
IPC分类号： H04J3/24
CPC分类号： H04B7/0452 , H04B7/0413 , H04B7/0669 , H04L5/0023 , H04L5/0048 , H04L5/005 , H04L5/0053 , H04L25/0226 , H04W84/12
摘要： In a method for generating a preamble of a data unit for transmission via a communication channel, an indication of a first number of spatial or space-time streams is included in a first field of the preamble. The first number of spatial or space-time streams corresponds to transmission of the data unit to a first receiver. One or more training sequences are included in a second field of the preamble. The preamble is formatted such that the first field of the preamble will be transmitted prior to the second field of the preamble being transmitted.
摘要翻译：在用于生成用于经由通信信道传输的数据单元的前导码的方法中，在前导码的第一字段中包括第一数量的空间或时空流的指示。第一数量的空间或时空流对应于数据单元向第一接收机的传输。一个或多个训练序列被包括在前导码的第二个字段中。格式化前置码使得前导码的第一字段将在正在发送的前导码的第二字段之前被发送。

7. 发明授权

US09130727B2 Control mode PHY for WLAN 有权
标题翻译： WLAN的控制模式PHY
公开(公告)号：US09130727B2
公开(公告)日：2015-09-08
申请号：US13366064
申请日：2012-02-03
申请人： Hongyuan Zhang , Rohit U. Nabar , Raja Banerjea , Yong Liu , Sudhir Srinivasa , Hyukjoon Kwon
发明人： Hongyuan Zhang , Rohit U. Nabar , Raja Banerjea , Yong Liu , Sudhir Srinivasa , Hyukjoon Kwon
IPC分类号： H04L27/00 , H04J11/00 , H03M13/23 , H04L1/00 , H04L27/26 , H04L1/08
CPC分类号： H04L27/2602 , H03M13/23 , H04L1/0046 , H04L1/0065 , H04L1/0072 , H04L1/08 , H04L27/2613 , H04L27/265
摘要： In a method for generating a physical layer (PHY) data unit for transmission via a communication channel, information bits to be included in the PHY data unit are encoded using a forward error correction (FEC) encoder. The information bits are mapped to a constellation symbols. Additionally, either the information bits are encoded according to a block coding scheme, or the constellation symbols are encoded according to the block coding scheme. Orthogonal frequency division multiplexing (OFDM) symbols are generated to include the constellation symbols and the PHY data unit is generated to include the OFDM symbols.
摘要翻译：在通过通信信道生成用于发送的物理层（PHY）数据单元的方法中，使用前向纠错（FEC）编码器对要包括在PHY数据单元中的信息比特进行编码。信息位被映射到星座符号。另外，根据块编码方案对信息比特进行编码，或者根据块编码方案对星座符号进行编码。生成正交频分复用（OFDM）符号以包括星座符号，并且生成PHY数据单元以包括OFDM符号。

8. 发明授权

US08885740B2 Control mode PHY for WLAN 有权
标题翻译： WLAN的控制模式PHY
公开(公告)号：US08885740B2
公开(公告)日：2014-11-11
申请号：US13366038
申请日：2012-02-03
申请人： Hongyuan Zhang , Rohit U. Nabar , Raja Banerjea , Yong Liu , Sudhir Srinivasa , Hyukjoon Kwon
发明人： Hongyuan Zhang , Rohit U. Nabar , Raja Banerjea , Yong Liu , Sudhir Srinivasa , Hyukjoon Kwon
IPC分类号： H04K1/10 , H04L1/00 , H04L27/26 , H04L1/08
CPC分类号： H04L27/2602 , H03M13/23 , H04L1/0046 , H04L1/0065 , H04L1/0072 , H04L1/08 , H04L27/2613 , H04L27/265
摘要： A first preamble for a first data unit includes a first long training field and a first signal field modulated according to a first technique. The first data unit is generated according to a first data unit format and includes the first preamble. A second preamble, generated for a second data unit, includes a second signal field and a second long training field. Information in the second signal field is repeated and/or the second long training field is generated so that a duration of the second long training field is longer than a duration of the first long training field. A portion of the second signal field is modulated according to a second technique or a portion of the second long training field is modulated according to the second technique to signal to a receiver that the second data unit is formatted according to a second data unit format.
摘要翻译：第一数据单元的第一前同步码包括第一长训练场和根据第一技术调制的第一信号场。第一数据单元根据第一数据单元格式生成并包括第一前导码。为第二数据单元生成的第二前导码包括第二信号字段和第二长训练字段。重复第二信号字段中的信息和/或生成第二长训练场，使得第二长训练场的持续时间长于第一长训练场的持续时间。根据第二技术调制第二信号场的一部分，或根据第二技术对第二长训练场的一部分进行调制，以向接收机发信号，根据第二数据单元格式对第二数据单元进行格式化。

9. 发明授权

US08787338B2 Determining a communication channel from a plurality of possible channel bandwidths 有权
标题翻译：从多个可能的信道带宽确定通信信道
公开(公告)号：US08787338B2
公开(公告)日：2014-07-22
申请号：US13246351
申请日：2011-09-27
申请人： Yong Liu , Hongyuan Zhang , Raja Banerjea
发明人： Yong Liu , Hongyuan Zhang , Raja Banerjea
IPC分类号： H04L1/00 , H04L12/26 , H04L5/00 , H04L27/26
CPC分类号： H04L5/001 , H04L5/00 , H04L5/0007 , H04L25/0204 , H04L25/0206 , H04L25/0224 , H04L27/2601 , H04W72/00 , H04W88/08
摘要： In a method of determining an available channel bandwidth in a communication system, wherein the communication system utilizes i) a set of component channels for transmitting data streams and ii) a set of access control channels, and wherein each of at least some of the access control channels partially overlaps, in frequency, at least one of the component channels, whether a primary channel of the access control channels is idle is determined. The primary channel partially overlaps, in frequency, at least a first one of the component channels. That a composite channel includes one or more of the component channels is determined based at least on a determination of whether the primary channel is idle. A signal is caused to be transmitted via the composite channel after determining that the composite channel includes one or more of the component channels.
摘要翻译：在确定通信系统中的可用信道带宽的方法中，其中所述通信系统利用i）用于传输数据流的一组分量信道，以及ii）一组接入控制信道，并且其中至少一些接入确定控制信道在频率上部分地重叠分组信道中的至少一个，访问控制信道的主信道是否空闲。主通道在频率上部分地重叠部件通道中的至少第一个。至少基于主信道是否空闲的确定来确定组合信道包括一个或多个分量信道。在确定复合信道包括一个或多个分量信道之后，使信号经由复合信道发送。

10. 发明授权

US08681815B1 Method and apparatus for multi-user frame aggregation 有权
标题翻译：多用户帧聚合的方法和装置
公开(公告)号：US08681815B1
公开(公告)日：2014-03-25
申请号：US12869503
申请日：2010-08-26
申请人： Yong Liu , Raja Banerjea , Hongyuan Zhang , Harish Ramamurthy
发明人： Yong Liu , Raja Banerjea , Hongyuan Zhang , Harish Ramamurthy
IPC分类号： H04J3/24
CPC分类号： H04W28/18 , H04B7/0617 , H04B7/0689 , H04L5/0044 , H04L47/365 , H04L69/166 , H04W28/065
摘要： An aggregated physical layer (PHY) data unit for transmission of independent data for a plurality of stations via a communication channel is generated, wherein the aggregated PHY data unit includes i) a plurality of individual PHY data units corresponding to the plurality of stations and ii) information that indicates locations of at least some of the plurality of individual PHY data units within the aggregated PHY data unit. Beamforming is controlled while the aggregated PHY data unit is being transmitted. Transmission in an omnidirectional or quasi-omnidirectional manner is performed while the information that indicates locations of at least some of the plurality of individual PHY data units is transmitting. For each of the individual PHY data units, beamforming to the corresponding station is performed while at least some of the corresponding individual PHY data unit is being transmitted.
摘要翻译：生成用于经由通信信道传输多个站的独立数据的聚合物理层（PHY）数据单元，其中聚合PHY数据单元包括i）对应于多个站的多个单独PHY数据单元，ii ）信息，其指示所述聚合PHY数据单元中的所述多个单独PHY数据单元中的至少一些的位置。在传输聚合的PHY数据单元的同时控制波束形成。在指示多个单独PHY数据单元中的至少一个的位置的信息正在发送的同时执行全向或准全向的传输。对于每个单独的PHY数据单元，在相应的单个PHY数据单元中的至少一些被发送的同时执行对相应站的波束成形。

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