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    • 2. 发明授权
    • Broadband optical network apparatus and method
    • 宽带光网络设备及方法
    • US08861958B2
    • 2014-10-14
    • US11707812
    • 2007-02-15
    • Jun XuNanjian Qian
    • Jun XuNanjian Qian
    • H04B10/00H04J14/08H04J3/16H04J3/14H04Q11/00
    • H04B10/27H04J3/14H04J3/1694H04J14/086H04Q11/0066H04Q11/0067H04Q2011/0015H04Q2011/0064
    • Methods and apparatus for providing enhanced optical networking service and performance which are particularly advantageous in terms of low cost and use of existing infrastructure, access control techniques, and components. In the exemplary embodiment, current widespread deployment and associated low cost of Ethernet-based systems are leveraged through use of an Ethernet CSMA/CD MAC in the optical domain on a passive optical network (PON) system. Additionally, local networking services are optionally provided to the network units on the PON since each local receiver can receive signals from all other users. An improved symmetric coupler arrangement provides the foregoing functionality at low cost. The improved system architecture also allows for fiber failure protection which is readily implemented at low cost and with minimal modification.
    • 用于提供增强的光网络服务和性能的方法和装置在现有基础设施,访问控制技术和组件的低成本和使用方面特别有利。 在示例性实施例中,通过在无源光网络(PON)系统上的光域中使用以太网CSMA / CD MAC来利用当前广泛部署和相关联的基于以太网的系统的低成本。 此外,本地网络服务可选地提供给PON上的网络单元,因为每个本地接收机可以从所有其他用户接收信号。 改进的对称耦合器布置以低成本提供前述功能。 改进的系统架构还允许光纤故障保护,其以低成本容易地实现并且以最小的修改。
    • 3. 发明授权
    • Data integrity negotiation schemes in wireless communication systems
    • 无线通信系统中的数据完整性协商方案
    • US08311010B1
    • 2012-11-13
    • US11870418
    • 2007-10-10
    • Nanjian QianHua Mary ChionCancan Huang
    • Nanjian QianHua Mary ChionCancan Huang
    • H04W4/00H04W36/00
    • H04W36/26H04L1/1887H04L47/14H04L47/20H04L69/24H04L69/40
    • Techniques and system designs are described for providing mobile communication systems with negotiation mechanisms to select data integrity schemes based on quality of service (QoS) schemes to enhance system performance during mobile handover processes. In one aspect, a method for providing data integrity in a wireless communication network includes providing a quality of service (QoS) profile for a service flow for a mobile station to include information of one or more QoS requirements of the service flow and a data integrity indicator to indicate information of data integrity for the service flow during a handover of the mobile station from one base station to another base station; and using the data integrity indicator to assist selection of a data integrity scheme from one or more data integrity schemes available to the service flow during the handover of the mobile station.
    • 描述了用于为移动通信系统提供基于服务质量(QoS)方案选择数据完整性方案以提高移动切换过程中的系统性能的协商机制的技术和系统设计。 在一个方面,一种用于在无线通信网络中提供数据完整性的方法包括提供用于移动站的服务流的服务质量(QoS)简档,以包括服务流的一个或多个QoS要求的信息和数据完整性 指示器,用于指示在移动站从一个基站到另一基站的切换期间业务流的数据完整性信息; 以及使用数据完整性指示符来帮助在移动站的切换期间从服务流可用的一个或多个数据完整性方案中选择数据完整性方案。
    • 4. 发明申请
    • Broadband optical network apparatus and method
    • 宽带光网络设备及方法
    • US20090290875A1
    • 2009-11-26
    • US12456990
    • 2009-06-24
    • Jun XuNanjian Qian
    • Jun XuNanjian Qian
    • H04J14/00
    • H04B10/27H04J3/14H04J3/1694H04J14/086H04Q11/0066H04Q11/0067H04Q2011/0015H04Q2011/0064
    • Methods and apparatus for providing enhanced optical networking service and performance which are particularly advantageous in terms of low cost and use of existing infrastructure, access control techniques, and components. In the exemplary embodiment, current widespread deployment and associated low cost of Ethernet-based systems are leveraged through use of an Ethernet CSMA/CD MAC in the optical domain on a passive optical network (PON) system. Additionally, local networking services are optionally provided to the network units on the PON since each local receiver can receive signals from all other users. An improved symmetric coupler arrangement provides the foregoing functionality at low cost. The improved system architecture also allows for fiber failure protection which is readily implemented at low cost and with minimal modification.
    • 用于提供增强的光网络服务和性能的方法和装置在现有基础设施,访问控制技术和组件的低成本和使用方面特别有利。 在示例性实施例中,通过在无源光网络(PON)系统上的光域中使用以太网CSMA / CD MAC来利用当前广泛部署和相关联的基于以太网的系统的低成本。 此外,本地网络服务可选地提供给PON上的网络单元,因为每个本地接收机可以从所有其他用户接收信号。 改进的对称耦合器布置以低成本提供前述功能。 改进的系统架构还允许光纤故障保护,其以低成本容易地实现并且以最小的修改。
    • 6. 发明授权
    • Broadband optical network apparatus and method
    • 宽带光网络设备及方法
    • US07181142B1
    • 2007-02-20
    • US10120960
    • 2002-04-09
    • Jun XuNanjian Qian
    • Jun XuNanjian Qian
    • H04J14/00
    • H04B10/27H04J3/14H04J3/1694H04J14/086H04Q11/0066H04Q11/0067H04Q2011/0015H04Q2011/0064
    • Methods and apparatus for providing enhanced optical networking service and performance which are particularly advantageous in terms of low cost and use of existing infrastructure, access control techniques, and components. In the exemplary embodiment, current widespread deployment and associated low cost of Ethernet-based systems are leveraged through use of an Ethernet CSMA/CD MAC in the optical domain on a passive optical network (PON) system. Additionally, local networking services are optionally provided to the network units on the PON since each local receiver can receive signals from all other users. An improved symmetric coupler arrangement provides the foregoing functionality at low cost. The improved system architecture also allows for fiber failure protection which is readily implemented at low cost and with minimal modification.
    • 用于提供增强的光网络服务和性能的方法和装置在现有基础设施,访问控制技术和组件的低成本和使用方面特别有利。 在示例性实施例中,通过在无源光网络(PON)系统上的光域中使用以太网CSMA / CD MAC来利用当前广泛部署和相关联的基于以太网的系统的低成本。 此外,本地网络服务可选地提供给PON上的网络单元,因为每个本地接收机可以从所有其他用户接收信号。 改进的对称耦合器布置以低成本提供前述功能。 改进的系统架构还允许光纤故障保护,其以低成本容易地实现并且以最小的修改。