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    • 1. 发明申请
    • ENCAPSULATING CPRI FRAMES
    • 封装CPRI框架
    • US20150249549A1
    • 2015-09-03
    • US14408794
    • 2012-07-23
    • Riccardo MartinottiDiego CavigliaGiulio Bottari
    • Riccardo MartinottiDiego CavigliaGiulio Bottari
    • H04L12/46H04L12/939
    • H04L12/4633H04L49/555
    • A Common Public Radio Interface (CPRI) link involves using a protocol stack having a CPRI layer and an emulation layer to emulate a point to point link, to enable the CPRI link to operate over a packet switched network. The emulation layer can be a pseudowire emulation which encapsulates multiple CPRI frames in a packet with overhead. A multiplexing layer such as Internet Protocol (IP) or Multiprotocol Label Switching (MPLS) can be used, for sending the packet over an Ethernet network. The usual need for a point to point infrastructure for the CPRI link can be avoided and the CPRI link can be implemented over more complex but usually cheaper packet networks, thus reducing costs or enabling more widespread application over existing packet networks. This applies whether the packet network is dedicated to the CPRI link, or shared with other packets. It can be useful for distributed radio base stations.
    • 通用公共无线电接口(CPRI)链路涉及使用具有CPRI层和仿真层的协议栈来模拟点对点链路,以使得CPRI链路能够通过分组交换网络进行操作。 仿真层可以是在具有开销的分组中封装多个CPRI帧的伪线仿真。 可以使用诸如因特网协议(IP)或多协议标签交换(MPLS)的复用层,用于通过以太网发送分组。 可以避免对CPRI链路的点对点基础设施的通常需要,并且可以通过更复杂但通常更便宜的分组网络来实现CPRI链路,从而降低成本或使现有分组网络上的应用更广泛。 这适用于分组网络是专用于CPRI链路还是与其他分组共享。 这对于分布式无线电基站是有用的。
    • 3. 发明授权
    • Apparatus and method for an optical network
    • 光网络的装置和方法
    • US09462358B2
    • 2016-10-04
    • US14239308
    • 2011-10-12
    • Diego CavigliaGiulio BottariRiccardo Martinotti
    • Diego CavigliaGiulio BottariRiccardo Martinotti
    • H04J14/02H04Q11/00
    • H04Q11/0005H04J14/02H04J14/0212H04J14/0284H04J14/0294H04Q2011/0016H04Q2011/0037
    • An optical network is configured to provide an optical reroute over a backup path (2139) during a failure in a signal path (2133). The network comprises a first node (B). A second node (C) is coupled to receive a signal from the first node (B) via the signal path (2133), and a backup signal via the backup path (2139). The network is adapted to transmit a signal and a corresponding backup signal from the first node to the second node even when there is no failure in the signal path (2133), wherein the backup signal is blocked at the second node (C) when there is no failure in the signal path (2133). Embodiments of the invention utilize the broadcast and blocking functionalities of a wavelength selective switch (WSS) device. Such WSS devices enable, in the case of a failure of a link, the fast switchover of optical traffic onto local detours within a reduced time.
    • 光网络被配置为在信号路径(2133)中的故障期间在备用路径(2139)上提供光学重新路由。 网络包括第一节点(B)。 第二节点(C)被耦合以经由信号路径(2133)从第一节点(B)接收信号,以及经由备用路径(2139)的备用信号。 即使在信号路径(2133)中没有故障的情况下,该网络适于将信号和对应的备份信号从第一节点发送到第二节点,其中当第二节点(C))在第二节点(C)处阻止备份信号 在信号路径中没有故障(2133)。 本发明的实施例利用波长选择开关(WSS)装置的广播和阻塞功能。 在链路故障的情况下,这样的WSS设备能够在减少的时间内快速地切换光流量到本地绕行。
    • 4. 发明申请
    • Apparatus and Method For an Optical Network
    • 光网络的装置和方法
    • US20140294383A1
    • 2014-10-02
    • US14239308
    • 2011-10-12
    • Diego CavigliaGiulio BottariRiccardo Martinotti
    • Diego CavigliaGiulio BottariRiccardo Martinotti
    • H04Q11/00H04J14/02
    • H04Q11/0005H04J14/02H04J14/0212H04J14/0284H04J14/0294H04Q2011/0016H04Q2011/0037
    • An optical network is configured to provide an optical reroute over a backup path (2139) during a failure in a signal path (2133). The network comprises a first node (B). A second node (C) is coupled to receive a signal from the first node (B) via the signal path (2133), and a backup signal via the backup path (2139). The network is adapted to transmit a signal and a corresponding backup signal from the first node to the second node even when there is no failure in the signal path (2133), wherein the backup signal is blocked at the second node (C) when there is no failure in the signal path (2133). Embodiments of the invention utilize the broadcast and blocking functionalities of a wavelength selective switch (WSS) device. Such WSS devices enable, in the case of a failure of a link, the fast switchover of optical traffic onto local detours within a reduced time.
    • 光网络被配置为在信号路径(2133)中的故障期间在备用路径(2139)上提供光学重新路由。 网络包括第一节点(B)。 第二节点(C)被耦合以经由信号路径(2133)从第一节点(B)接收信号,以及经由备用路径(2139)的备用信号。 即使在信号路径(2133)中没有故障的情况下,该网络适于将信号和对应的备份信号从第一节点发送到第二节点,其中当第二节点(C))备份信号在第二节点 在信号路径中没有故障(2133)。 本发明的实施例利用波长选择开关(WSS)装置的广播和阻塞功能。 在链路故障的情况下,这样的WSS设备能够在减少的时间内快速地切换光流量到本地绕行。
    • 5. 发明申请
    • Protection Mechanisms for a Communications Network
    • 通信网络的保护机制
    • US20090003192A1
    • 2009-01-01
    • US12143160
    • 2008-06-20
    • Riccardo MartinottiDiego Caviglia
    • Riccardo MartinottiDiego Caviglia
    • H04L12/24
    • H04L45/00
    • A method of path protection for a connection-oriented packet switched communications network is described using a protection hub in communication with a worker hub via a core protection path. Both the worker hub and the protection hub communicate with at least one provider edge device via a respective worker and protection paths. The method detects a failure in the communications network, indicates the failure to the at least one of the provider edge device, the worker hub, and the protection hub. The method then employs the core protection path if a failure occurs along a worker path is detected, or a worker path and a protection path in parallel if a failure occurs along the core protection path.
    • 使用保护集线器通过核心保护路径与工作集线器通信来描述面向连接的分组交换通信网络的路径保护方法。 工作人员中心和保护中心都通过相应的工作人员和保护路径与至少一个提供商边缘设备进行通信。 该方法检测通信网络中的故障,指示提供商边缘设备,工作者中心和保护集线器中的至少一个的故障。 如果沿着核心保护路径发生故障,则如果检测到沿着工作路径发生故障,则该方法采用核心保护路径,或者如果沿着核心保护路径发生故障,则工作者路径和保护路径并行。
    • 6. 发明授权
    • Protection mechanisms for a communications network
    • 通信网络的保护机制
    • US08165012B2
    • 2012-04-24
    • US12143160
    • 2008-06-20
    • Riccardo MartinottiDiego Caviglia
    • Riccardo MartinottiDiego Caviglia
    • G01R31/08G06F11/00
    • H04L45/00
    • A method of path protection for a connection-oriented packet switched communications network is described using a protection hub in communication with a worker hub via a core protection path. Both the worker hub and the protection hub communicate with at least one provider edge device via a respective worker and protection paths. The method detects a failure in the communications network, indicates the failure to the at least one of the provider edge device, the worker hub, and the protection hub. The method then employs the core protection path if a failure occurs along a worker path is detected, or a worker path and a protection path in parallel if a failure occurs along the core protection path.
    • 通过核心保护路径,使用与工作集线器通信的保护集线器描述面向连接的分组交换通信网络的路径保护方法。 工作人员中心和保护中心都通过相应的工作人员和保护路径与至少一个提供商边缘设备进行通信。 该方法检测通信网络中的故障,指示提供商边缘设备,工作者中心和保护集线器中的至少一个的故障。 如果沿着核心保护路径发生故障,则如果检测到沿着工作路径发生故障,则该方法采用核心保护路径,或者如果沿着核心保护路径发生故障,则工作者路径和保护路径并行。