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    • 1. 发明申请
    • Method and System for Determining a Location of a Device Using Femtocell Information
    • 使用毫微微小区信息确定设备位置的方法和系统
    • US20100254355A1
    • 2010-10-07
    • US12418257
    • 2009-04-03
    • Charles AbrahamXuemin ChenWael William DiabVinko ErcegVictor HouJeyhan KaraoguzMark Kent
    • Charles AbrahamXuemin ChenWael William DiabVinko ErcegVictor HouJeyhan KaraoguzMark Kent
    • H04W4/00H04B7/216
    • H04W64/00H04W84/045
    • Aspects of a method and system for determining a location of a device using femtocell information are provided. In this regard, a femtocell management entity may be operable to receive global navigation system satellite (GNSS) coordinates of one or more of a plurality of femtocells and one or both of a receive signal strength indication (RSSI) and/or power levels of one or more of the plurality of femtocells, which are managed by the femtocell management entity. The femtocell management entity may be operable to determine a location of a communication device that is derived based on the received GNSS coordinates, RSSI and/or power levels of one or more of the plurality of femtocells and communicate the determined location to a communication device. One or more location based applications and/or services within the communication device may be operable to utilize the received determined location to provide mapping and/or location information.
    • 提供了使用毫微微小区信息来确定设备的位置的方法和系统的方面。 在这方面,毫微微小区管理实体可以用于接收多个毫微微小区中的一个或多个的全球导航系统卫星(GNSS)坐标,以及接收信号强度指示(RSSI)和/或一个的功率水平中的一个或两个 或多个由毫微微小区管理实体管理的毫微微小区。 毫微微小区管理实体可以可操作以基于所接收的多个毫微微小区中的一个或多个毫微微小区的GNSS坐标,RSSI和/或功率级别来确定通信设备的位置,并将确定的位置传送到通信设备。 通信设备内的一个或多个基于位置的应用和/或服务可以可操作以利用所接收的确定的位置来提供映射和/或位置信息。
    • 4. 发明申请
    • Optimized scheduling method using ordered grants from a central controller
    • 使用来自中央控制器的有序授权的优化调度方法
    • US20080019397A1
    • 2008-01-24
    • US11488109
    • 2006-07-18
    • Victor Hou
    • Victor Hou
    • H04J3/00
    • H04L12/2801H04L12/2861H04L47/10H04L47/283
    • A method, system, and computer program product for ordering grants of upstream bandwidth in a two-way grant-based communication system, such as a DOCSIS-based communication system. Typically, a central controller, such as a CMTS, sends a grant message to a set of end user devices, e.g., cable modems, wherein the message defines when each end user device can transmit upstream. The invention first determines, for each end user device, the time needed for processing the grant message. The central controller then constructs the grant message, such that grants for the end user devices associated with the shortest grant message processing times occur early in the grant message and represent the earliest grants. Grants for end user devices associated with the longest grant message processing times occur later in the grant message and represent later grants. With this ordering of grants within the grant message, the CMTS can assume a smaller processing time for processing the grant message by CMs, such that the grant message does not have to be sent so far in advance. Performance of the system is increased due to decreased roundtrip delay.
    • 一种用于在诸如基于DOCSIS的通信系统的基于双向授权的通信系统中订购上游带宽许可的方法,系统和计算机程序产品。 通常,诸如CMTS的中央控制器向一组最终用户设备(例如电缆调制解调器)发送授权消息,其中消息定义每个终端用户设备何时可以向上游发送。 本发明首先为每个最终用户设备确定处理授权消息所需的时间。 然后,中央控制器构建授权消息,使得与最短授权消息处理时间相关联的最终用户设备的授权在授权消息中早期出现并代表最早的授权。 与最长授权消息处理时间相关联的最终用户设备的授予将在授权消息中稍后发生,并代表后续授权。 通过授权消息中的授权排序,CMTS可以采取较小的处理时间来处理CM的授权消息,使得授权消息不必提前发送。 系统的性能由于往返延迟的减少而增加。