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    • 4. 发明申请
    • WLAN TRANSMIT MODES AND COEXISTENCE
    • WLAN发送模式和共享
    • WO2013067321A1
    • 2013-05-10
    • PCT/US2012/063278
    • 2012-11-02
    • MARVELL WORLD TRADE LTD.LIU, YongZHANG, HongyuanBANERJEA, Raja
    • LIU, YongZHANG, HongyuanBANERJEA, Raja
    • H04W72/08H04W72/04
    • H04W72/082H04W72/0453H04W84/12
    • A set of channels is scanned, each channel in the set having a first bandwidth. When it is determined that one or more channels in the set of channels are not being utilized by one or more other wireless communication systems, a channel not being utilized is selected as a primary channel for a wireless communication system. When it is determined that all channels in the set of channels are being utilized by one or more other wireless communication systems, (i) a channel in the set that is aligned with a primary channel of another wireless communication system is selected as the primary channel, or (ii) a channel in the set that overlaps with a secondary channel of another wireless communication system is selected as the primary channel, where the secondary channel of the other wireless communication system has a bandwidth greater than the first bandwidth.
    • 扫描一组信道,集合中的每个信道具有第一带宽。 当确定该组信道中的一个或多个信道没有被一个或多个其他无线通信系统使用时,选择未被利用的信道作为无线通信系统的主要信道。 当确定该组信道中的所有信道正被一个或多个其它无线通信系统利用时,(i)集合中与另一无线通信系统的主信道对准的信道被选择为主信道 ,或(ii)与另一无线通信系统的辅助信道重叠的集合中的信道被选择为主信道,其中另一无线通信系统的辅信道的带宽大于第一带宽。
    • 9. 发明申请
    • SIGNAL FIELD DESIGN FOR WLAN
    • WLAN的信号场设计
    • WO2013025923A1
    • 2013-02-21
    • PCT/US2012/051184
    • 2012-08-16
    • MARVELL WORLD TRADE LTD.ZHANG, HongyuanBANERJEA, RajaLIU, YongSRINIVASA, Sudhir
    • ZHANG, HongyuanBANERJEA, RajaLIU, YongSRINIVASA, Sudhir
    • H04W28/06
    • H04W28/18H04L69/22H04L69/323H04W84/12
    • A method of generating packets for transmission in a wireless communication system. The method comprises generating a data packet and generating a null data packet. Generating the data packet includes generating a data packet signal (SIG) field including a first data packet SIG subfield indicating a first physical layer (PHY) parameter to a receiving device. Generating the data packet also includes generating a data field. Furthermore, generating the null data packet includes generating a null data packet SIG field. The null data packet SIG field includes a first null data packet SIG subfield indicating a second PHY parameter to a receiving device. The data packet SIG field excludes any SIG subfield indicating the second PHY parameter to a receiving device, and (ii) the null data packet SIG field excludes any SIG subfield indicating the first PHY parameter to a receiving device.
    • 一种在无线通信系统中生成用于传输的分组的方法。 该方法包括生成数据分组并生成空数据分组。 生成数据分组包括生成包括指示接收设备的第一物理层(PHY)参数的第一数据分组SIG子字段的数据分组信号(SIG)字段。 生成数据包还包括生成数据字段。 此外,生成空数据分组包括生成空数据分组SIG字段。 空数据分组SIG字段包括向接收设备指示第二PHY参数的第一空数据分组SIG子字段。 数据分组SIG字段将指示第二PHY参数的任何SIG子字段排除到接收设备,并且(ii)空数据分组SIG字段将指示第一PHY参数的任何SIG子字段排除到接收设备。