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    • 73. 发明申请
    • DEVICE TO DEVICE AND CONNECTION MODE SWITCHING
    • 设备到设备和连接模式切换
    • WO2012048464A1
    • 2012-04-19
    • PCT/CN2010/077729
    • 2010-10-14
    • NOKIA CORPORATIONGAO, ChunyanWANG, HaimingCHARBIT, Gilles
    • GAO, ChunyanWANG, HaimingCHARBIT, Gilles
    • H04W76/00
    • H04W72/0413H04W76/11H04W76/23H04W84/042H04W84/20H04W88/04
    • The exemplary embodiments of this invention provide, in one aspect thereof, a method that includes sending a mode switch command from a network access node to a first node of a pair of nodes operating in a device-to-device (D2D) communication mode. The method further includes receiving at least one acknowledgment of the reception of the mode switch command at the network access node, where the at least one acknowledgment is received from a second node of the pair of nodes. In one embodiment the mode switch command is an explicit mode switch command sent using layer 1 (Ll) signaling to a master node of the pair of nodes. In another embodiment the mode switch command is an implicit mode switch command that includes a downlink grant to schedule the first node in the network, where the downlink grant contains a radio network identifier (RNTI) of the first node of the pair of nodes, and where the acknowledgment of the reception of the mode switch command is received from the second node of the pair of nodes and also from the first node of the pair of nodes. The exemplary embodiments also encompass user devices, such as mobile phones, that operate in the D2D mode in conjunction with the network access node.
    • 本发明的示例性实施例在其一个方面中提供了一种方法,其将模式切换命令从网络接入节点发送到以设备到设备(D2D)通信模式操作的一对节点的第一节点。 所述方法还包括在所述网络接入节点处接收所述模式切换命令的接收的至少一个确认,其中从所述一对节点的第二节点接收所述至少一个确认。 在一个实施例中,模式切换命令是使用层1(L1)信令发送到该对节点的主节点的显式模式切换命令。 在另一个实施例中,模式切换命令是隐式模式切换命令,其包括用于调度网络中的第一节点的下行链路许可,其中下行链路许可包含该对节点对的第一节点的无线电网络标识符(RNTI),以及 其中从所述一对节点的第二节点以及所述一对节点的所述第一节点接收到对所述模式切换命令的接收的确认。 示例性实施例还包括结合网络接入节点在D2D模式中操作的用户设备,例如移动电话。
    • 76. 发明申请
    • METHODS AND DEVICES ENABLING RESOURCE SHARING FOR DEVICE-TO-DEVICE COMMUNICATION IN UNLICENSED BAND
    • 方法和设备实现资源共享,用于未授权的带中的设备到设备通信
    • WO2013078663A1
    • 2013-06-06
    • PCT/CN2011/083310
    • 2011-12-01
    • RENESAS MOBILE CORPORATIONGAO, ChunyanBAI, WeiWANG, HaimingHONG, WeiWEI, Na
    • GAO, ChunyanBAI, WeiWANG, HaimingHONG, WeiWEI, Na
    • H04L12/28H04W16/14
    • H04W76/14H04W16/14H04W28/0205H04W52/0238
    • The present invention proposes a device, comprising a transceiver module, configured for communication on a first and at least one second band, the first band being reserved for communication using a specific communication standard, the second band being accessible for communication using different communication standards, and a control module, configured to control the transceiver module to receive and to transmit data, and to process received data. In one aspect, the control module is configured to request communication resources in the second band from another device using a first type of request to obtain access to said resources in competition with other requests of said first type issued from other devices, allocate said resources in the second band for communication upon receipt of a resource allocation confirmation from said another device, and to communicate using at least a part of the allocated resources in the second band conformant to the specific communication standard applied for communication on the first band. In another aspect, the control module is configured to detect, originating from another device, an absence of ongoing communication on a channel of the second band, a request of a first type to obtain access to said resources, and a resource allocation confirmation responsive to said request, and an indication of an unused part of resources allocated in said second band to another device, and wherein said control module is configured, responsive to the above detections, to communicate using at least a part of those indicated resources that are allocated to but unused by said another device in the second band conformant to the specific communication standard applied for communication on the first band. A corresponding network device as well as related methods and computer program products are also disclosed.
    • 本发明提出了一种设备,包括:收发器模块,被配置为在第一和至少一个第二频带上进行通信,所述第一频带被保留用于使用特定通信标准的通信,所述第二频段可被访问以用于使用不同的通信标准的通信, 以及控制模块,被配置为控制所述收发器模块接收和发送数据,以及处理所接收的数据。 在一个方面,控制模块被配置为使用第一类型的请求从另一设备请求通信资源,以获得与所述资源的访问,与来自其他设备的所述第一类型的其他请求竞争,分配所述资源 所述第二频带用于在从所述另一设备接收到资源分配确认时进行通信,并且使用所述第二频带中分配的资源的至少一部分进行通信,所述第二频带符合应用于所述第一频带上的通信的特定通信标准。 在另一方面,控制模块被配置为检测来自另一设备的在第二频带的信道上不存在正在进行的通信,第一类型的请求以获得对所述资源的访问,以及响应于 所述请求以及在所述第二频带中分配给其他设备的资源的未使用部分的指示,并且其中所述控制模块被配置为响应于上述检测,使用被分配给所述第二频带的所述指示资源的至少一部分进行通信 但是第二频带中的所述另一设备未被使用,这符合应用于第一频带上的通信的特定通信标准。 还公开了相应的网络设备以及相关方法和计算机程序产品。
    • 77. 发明申请
    • SIGNALING FOR DEVICE-TO-DEVICE WIRELESS COMMUNICATION
    • 用于设备到设备无线通信的信令
    • WO2013049959A1
    • 2013-04-11
    • PCT/CN2011/080511
    • 2011-10-02
    • RENESAS MOBILE CORPORATIONWANG, HaimingGAO, ChunyanWEI, NaBAI, Wei
    • WANG, HaimingGAO, ChunyanWEI, NaBAI, Wei
    • H04L27/26
    • H04W48/16H04L5/0037H04L27/0006H04L27/2602H04W8/005H04W76/14
    • The specification and drawings present a new method, apparatus and software related product (e.g., a computer readable memory) for implementing a direct device-to-device communication of cellular devices, e.g., in LTE wireless systems, using discovery or discovery-like signaling. To enable automatic discovery of other devices, a dedicated channel may be reserved for this purpose where devices may send a specific discovery signal with a predefined format, so that other devices listening in this channel can know the existence of the transmitters. For example, the discovery signal may be generated by one device for establishing a direct device-to-device communication, the discovery signal comprising a preamble part and a data part which comprises information for establishing the direct device-to-device communication, wherein a preamble resource for the preamble part is determined from a set of predefined resources and a data resource for the data part maps form the preamble resource.
    • 说明书和附图提出了一种新的方法,装置和软件相关产品(例如,计算机可读存储器),用于实现蜂窝设备的直接设备到设备通信,例如在LTE无线系统中,使用发现或发现式信令 。 为了实现其他设备的自动发现,专用信道可以被保留用于这样的目的,其中设备可以以预定格式发送特定的发现信号,使得在该信道中监听的其他设备可以知道发射机的存在。 例如,发现信号可以由一个设备生成,用于建立直接的设备到设备通信,该发现信号包括前导码部分和包括用于建立直接设备到设备通信的信息的数据部分,其中, 从一组预定义资源确定用于前导码部分的前同步码资源,并且用于数据部分映射的数据资源形成前导码资源。
    • 79. 发明申请
    • DEVICE TO DEVICE CLUSTER ENHANCEMENT TO SUPPORT DATA TRANSMISSION FROM/TO MULTIPLE DEVICES
    • 用于设备集群增强以支持从/多个设备的数据传输的设备
    • WO2012071689A1
    • 2012-06-07
    • PCT/CN2010/001961
    • 2010-12-03
    • NOKIA CORPORATIONGAO, ChunyanWANG, HaimingCHARBIT, Gilles
    • GAO, ChunyanWANG, HaimingCHARBIT, Gilles
    • H04L29/08H04W84/18
    • H04W84/20H04W72/121H04W72/14
    • The exemplary embodiments of this invention provide, in one aspect thereof, a method that includes operating a first wireless communications device in a role as a cluster head in a device-to-device communication mode cluster; and autonomously transferring the role of the cluster head to a second wireless communications device in the device-to-device communication mode cluster. In this method only a wireless communications device that is operating in the role of the cluster head has authority to transmit new data to another wireless communications device in the device-to-device communication mode cluster. The exemplary embodiments of this invention also provide, in another aspect thereof, a method that includes operating a first wireless communications device in a role as a cluster head in a device-to-device communication mode cluster; and transmitting a scheduling grant from the wireless communications device that is operating in the role of the cluster head to another wireless communications device in the device-to-device communication mode cluster, In this method the scheduling grant authorizes the another wireless communications device to perform, during a subframe specified by first information in the scheduling grant, a retransmission of data that was received by the another wireless communications device during a subframe specified by second information in the scheduling grant. Also disclosed are corresponding apparatus and computer readable memories storing computer program instructions to implement the methods.
    • 在其一个方面,本发明的示例性实施例提供了一种方法,其包括在设备到设备通信模式集群中操作作为集群头的角色的第一无线通信设备; 以及将集群头部的角色自主地转移到设备到设备通信模式集群中的第二无线通信设备。 在该方法中,只有以簇头的作用运行的无线通信设备具有将新数据发送到设备到设备通信模式集群中的另一无线通信设备的权限。 本发明的示例性实施例还在其另一方面中提供了一种方法,其包括将第一无线通信设备作为设备到设备通信模式集群中的集群头的角色操作; 并且将来自所述集群头的作用的所述无线通信设备的调度许可传送到所述设备到设备通信模式集群中的另一无线通信设备。在该方法中,所述调度授权授权所述另一无线通信设备执行 在由调度授权中的第一信息指定的子帧期间,在由调度许可中的第二信息指定的子帧期间由另一无线通信设备接收的数据的重传。 还公开了存储用于实现该方法的计算机程序指令的对应装置和计算机可读存储器。