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    • 4. 发明授权
    • Cooperative relay system enabling simultaneous broadcast-unicast operation with efficient automatic repeat request functionality
    • 协同中继系统,能够同时进行广播 - 单播操作,并具有高效的自动重发请求功能
    • US08023524B2
    • 2011-09-20
    • US11973778
    • 2007-10-09
    • Klaus DopplerAri Hottinen
    • Klaus DopplerAri Hottinen
    • H04L12/28
    • H04B7/022H04B7/026H04B7/155
    • A wireless node, such as a relay node, has different operating modes for unicast and broadcast/multicast subchannels. For unicast services the phase offsets of those relay nodes engaged in a cooperative transmission are optimized for the subchannels used for unicast services. Alternatively, when no feedback is available and an open loop MIMO or MIMO-type scheme is in use, retransmissions are performed in such a way that a destination (e.g., user terminal) receives effectively a distributed space-time block code. For the broadcast/multicast services time varying random phase offsets may be employed for the subchannels used for broadcast services. For reliable high data rate broadcast transmissions a cooperative retransmission scheme that effectively forms distributed space-time block codes may be used.
    • 诸如中继节点的无线节点对于单播和广播/多播子信道具有不同的操作模式。 对于单播服务,参与协作传输的中继节点的相位偏移针对用于单播服务的子信道进行了优化。 或者,当没有可用的反馈并且使用开环MIMO或MIMO型方案时,以目的地(例如,用户终端)有效地接收分布式时空块码的方式执行重传。 对于广播/多播服务,可以对用于广播服务的子信道采用时变随机相位偏移。 对于可靠的高数据速率广播传输,可以使用有效地形成分布式时空块码的协同重传方案。
    • 5. 发明申请
    • Cooperative relay system enabling simultaneous broadcast-unicast operation with efficient automatic repeat request functionality
    • 协同中继系统,能够同时进行广播 - 单播操作,并具有高效的自动重发请求功能
    • US20090092073A1
    • 2009-04-09
    • US11973778
    • 2007-10-09
    • Klaus DopplerAri Hottinen
    • Klaus DopplerAri Hottinen
    • H04J3/08
    • H04B7/022H04B7/026H04B7/155
    • A wireless node, such as a relay node, has different operating modes for unicast and broadcast/multicast subchannels. For unicast services the phase offsets of those relay nodes engaged in a cooperative transmission are optimized for the subchannels used for unicast services. Alternatively, when no feedback is available and an open loop MIMO or MIMO-type scheme is in use, retransmissions are performed in such a way that a destination (e.g., user terminal) receives effectively a distributed space-time block code. For the broadcast/multicast services time varying random phase offsets may be employed for the subchannels used for broadcast services. For reliable high data rate broadcast transmissions a cooperative retransmission scheme that effectively forms distributed space-time block codes may be used.
    • 诸如中继节点的无线节点对于单播和广播/多播子信道具有不同的操作模式。 对于单播服务,参与协作传输的中继节点的相位偏移针对用于单播服务的子信道进行了优化。 或者,当没有可用的反馈并且使用开环MIMO或MIMO型方案时,以目的地(例如,用户终端)有效地接收分布式时空块码的方式执行重传。 对于广播/多播服务,可以对用于广播服务的子信道采用时变随机相位偏移。 对于可靠的高数据速率广播传输,可以使用有效地形成分布式时空块码的协同重传方案。
    • 6. 发明授权
    • Transmission antenna diversity using individual antenna route signal shaping
    • 使用单个天线路由信号整形的发射天线分集
    • US09106392B2
    • 2015-08-11
    • US11605382
    • 2006-11-29
    • Ari HottinenRisto Wichman
    • Ari HottinenRisto Wichman
    • H04B1/06H04L1/00H04B7/06H04L1/06H04B7/02H04B7/04
    • H04L1/0065H04B7/022H04B7/0408H04B7/061H04L1/0071H04L1/06
    • Transmission antenna diversity can be set up on a data transmission connection between a transmitting unit, wherein there are several transmission antenna routes, and a receiving unit. A broadcast signal is transmitted through all transmission antenna routes of the transmitting unit, with the aid of these signals a choice is made in the receiving unit of the optimum transmission antenna route and a message of the choice is transmitted to the transmitting unit, which transmits user data through the transmission antenna route connected for use. The broadcast signal of each transmission antenna route can be shaped by an individual signal shaping method which is different from the others and a transmission antenna route is connected for use based on the received antenna choice message, individually for each receiving unit.
    • 可以在发送单元之间的数据传输连接上建立发射天线分集,其中存在若干发射天线路由,以及接收单元。 通过发送单元的所有发送天线路由发送广播信号,借助于这些信号,在最佳发送天线路由的接收单元中进行选择,并将选择的消息发送到发送单元,发送单元发送 用户数据通过发送天线的路由连接使用。 每个发送天线路由的广播信号可以通过与其他发送天线路径不同的单独的信号整形方法来形成,并且基于所接收的天线选择消息,单独地为每个接收单元连接发送天线路径以供使用。
    • 8. 发明申请
    • COGNITIVE RADIO RESOURCE UTILIZATION
    • 认知无线电资源利用
    • US20130028346A1
    • 2013-01-31
    • US13193697
    • 2011-07-29
    • Ari Hottinen
    • Ari Hottinen
    • H04B15/00
    • H04W16/14H04W88/06
    • The present document discloses a solution for utilizing guard time intervals of another wireless communication system. First, it is detected in a first wireless communication apparatus of a first wireless communication system a guard time interval following a transmission of a second wireless communication apparatus of a second wireless communication system. Thereafter, the first wireless communication apparatus is configured to schedule a transmission in the first wireless communication system to a transmission time interval starting on or after the beginning of the detected guard time interval and ending within the detected guard time interval of the second wireless communication system.
    • 本文件公开了一种利用另一无线通信系统的保护时间间隔的解决方案。 首先,在第一无线通信系统的第一无线通信装置中,检测到第二无线通信系统的第二无线通信装置的发送之后的保护时间间隔。 此后,第一无线通信装置被配置为将第一无线通信系统中的传输调度到从检测到的保护时间间隔的开始或之后开始的传输时间间隔,并且在第二无线通信系统的检测到的保护时间间隔内结束 。
    • 9. 发明授权
    • Channel access for cognitive networks
    • 认知网络的频道接入
    • US08315220B2
    • 2012-11-20
    • US12759199
    • 2010-04-13
    • Ari Hottinen
    • Ari Hottinen
    • H04W4/00
    • H04W84/20
    • A system for managing wireless interaction based on communication performance. Source apparatuses may desire to establish wireless links to target apparatuses. Prior to initiating new wireless links, source apparatuses may evaluate whether the establishment of new wireless links will increase the cumulative performance of the wireless communication environment, wherein the wireless communication environment may comprise the apparatuses communicating wirelessly within transmission range of a source apparatus. The evaluation may determine, for example, whether predicted cumulative performance of the wireless communication environment after the new wireless link is initiated would be greater than cumulative performance prior to link initiation.
    • 一种基于通信性能管理无线交互的系统。 源设备可能希望建立到目标设备的无线链路。 在发起新的无线链路之前,源设备可以评估新无线链路的建立是否会增加无线通信环境的累积性能,其中无线通信环境可以包括在源设备的传输范围内无线通信的设备。 评估可以例如确定在启动新无线链路之后的无线通信环境的预测累积性能是否将大于链路启动之前的累积性能。