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    • 2. 发明授权
    • Transmission scheduler for a multiple antenna wireless cellular network
    • 用于多天线无线蜂窝网络的传输调度器
    • US06400699B1
    • 2002-06-04
    • US09660246
    • 2000-09-12
    • Manish AiryBaraa Al-DabaghJose TelladoPartho MishraJohn FanPeroor K. SebastianArogyaswami J. Paulraj
    • Manish AiryBaraa Al-DabaghJose TelladoPartho MishraJohn FanPeroor K. SebastianArogyaswami J. Paulraj
    • H04Q700
    • H04W72/1263H04B7/0613H04L5/0023H04L5/0044H04L5/0064
    • The invention includes an apparatus and method for scheduling wireless transmission of data blocks between at least one antenna of a base transceiver station and multiple subscriber units. The scheduling can be based on the quality of a transmission link between the base station antennas and the subscriber units, the amount of data requested by the subscriber units, and/or the type of data requested by the subscriber units. The scheduling generally includes assigning frequency blocks and time slots to each of the subscriber units for receiving or transmitting data blocks. The invention includes a method for transmitting data streams between a base transceiver station and a plurality of subscribers. The method includes receiving protocol data units from a network, creating sub-protocol data units from the protocol data units, and once per a frame of time, generating a schedule that designates time slots and pre-defined frequency blocks in which each one of the plurality of subscribers is to receive each of the sub-protocol data units from a plurality of base station transceiver antennas. The invention can further include transmitting the schedule to each of the subscribers, and the plurality of base station transceiver antennas transmitting the sub-protocol data units according to the schedule. The invention can further include selecting at least one transmission mode for each subscriber. The transmission mode dictating the type of modulation and/or coding used during transmission of the sub-protocol data units.
    • 本发明包括一种用于在基站收发台的至少一个天线和多个用户单元之间调度数据块的无线传输的装置和方法。 调度可以基于基站天线和用户单元之间的传输链路的质量,用户单元请求的数据量和/或用户单元请求的数据的类型。 调度通常包括向每个用户单元分配频率块和时隙以用于接收或发送数据块。 本发明包括一种在基站和多个用户之间传输数据流的方法。 该方法包括从网络接收协议数据单元,从协议数据单元创建子协议数据单元,并且每一帧一次生成指定时隙的调度和预定义的频率块,其中每个 多个用户将从多个基站收发天线接收每个子协议数据单元。 本发明还可以包括根据日程安排向每个用户以及多个基站收发天线发送该子协议数据单元。 本发明还可以包括为每个用户选择至少一个传输模式。 传输模式指示在子协议数据单元的传输期间使用的调制和/或编码的类型。
    • 3. 发明授权
    • Method and system for power headroom reporting in the presence of multiple transmit antennas
    • 在存在多个发射天线的情况下进行功率余量报告的方法和系统
    • US09173178B2
    • 2015-10-27
    • US13077839
    • 2011-03-31
    • Soumen ChakrabortyRishi RanjanErik StaufferKamlesh RathManish Airy
    • Soumen ChakrabortyRishi RanjanErik StaufferKamlesh RathManish Airy
    • H04W52/36H04W52/14H04W52/42
    • H04W52/365H04W52/146H04W52/42
    • A method and system are provided in which a mobile device may be operable for long term evolution (LTE) communication or some other wireless technology via two or more transmit antennas. The device may comprise a power amplifier for each transmit antenna with substantially similar maximum power being provided by both amplifiers. A power headroom value may be determined in the device based on path loss values between the transmit antennas and a base station and the maximum transmit power for each transmit antenna. Transmission via one of the transmit antennas may occur concurrently with transmission via another of the transmit antennas. The device may generate an indication of the determined power headroom value for communication to the base station. The power headroom value may be reported periodically or in response to a change in the power received at the base station.
    • 提供了一种方法和系统,其中移动设备可以经由两个或更多个发射天线用于长期演进(LTE)通信或一些其它无线技术。 该装置可以包括用于每个发射天线的功率放大器,其具有由两个放大器提供的基本相似的最大功率。 可以在设备中基于发射天线和基站之间的路径损耗值和每个发射天线的最大发射功率来确定功率余量值。 经由其中一个发射天线的传输可以通过另一个发射天线发射同时进行。 设备可以产生用于与基站通信的所确定的功率余量值的指示。 功率余量值可以周期性地或响应于在基站处接收的功率的变化来报告。
    • 8. 发明授权
    • Allocation of periodically distributed frames of wireless communication
    • 定期分配无线通信帧
    • US08767670B2
    • 2014-07-01
    • US12951149
    • 2010-11-22
    • Soumen ChakrabortySindhu VermaManish AiryAnuj Puri
    • Soumen ChakrabortySindhu VermaManish AiryAnuj Puri
    • H04W4/00
    • H04W72/0446H04W72/044
    • Methods of allocating a plurality of periodically distributed frames of communication between a first wireless transceiver and a second wireless transceiver are disclosed. One method includes detecting periodic data for transmission between the wireless base station and the wireless mobile unit. A transmission map that maps frequency and time slots is generated for transmission of the data packets. Allocation information is included within less than all of a plurality of transmission maps of the plurality of periodically distributed frames. The allocation information designates frequency and time slots in which data packets identified as a periodic data type are transmitted to the second wireless transceiver for the plurality of periodically distributed frames.
    • 公开了在第一无线收发器和第二无线收发器之间分配多个周期性分布的通信帧的方法。 一种方法包括检测用于无线基站和无线移动单元之间的传输的周期性数据。 生成映射频率和时隙的传输图,用于传输数据分组。 分配信息包括在多个周期性分布的帧的多个传输图的小于全部中。 分配信息指定频率和时隙,其中标识为周期性数据类型的数据分组被发送到用于多个周期性分布的帧的第二无线收发器。