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    • 1. 发明申请
    • SYSTEM AND APPARATUS FOR POWER-EFFICIENTLY DELIVERING UPDATE INFORMATION TO DEVICES IN A BROADCAST NETWORK
    • 系统和设备能够高效地向广播网络中的设备传递更新信息
    • US20110165865A1
    • 2011-07-07
    • US12683907
    • 2010-01-07
    • QIANG GAORalph Akram GholmiehAn Mei Chen
    • QIANG GAORalph Akram GholmiehAn Mei Chen
    • H04W4/00
    • H04W72/005Y02D70/164Y02D70/168Y02D70/20
    • Embodiments provide power-efficient mechanisms for communicating small amounts of information to receiver devices within a mobile broadcast system. A generic transport mechanism enables transmitting data relevant to upper layer protocols in a lower layer sub-channel so multiple information summary flows can share the same physical layer sub-channel Data fields are added to the Overhead Information Service (OIS) channel to provide power-efficient logical channels for carrying the summary information. Data from the power-efficient logical channels are provided to an upper protocol layer that receives the information summary flows. Information summary flow may carry a version number of an information flow in the broadcast signal, codes or other information. Receiver devices periodically monitoring the OIS receive the information summary flows. Employing an embodiment, a receiver device can minimize power consumption because reception of the OIS can indicate whether any new information flows are available, obviating a need to periodically check information flows.
    • 实施例提供了用于将少量信息传送到移动广播系统内的接收机设备的功率有效的机制。 通用传输机制使得能够在较低层子信道中发送与上层协议相关的数据,因此多个信息摘要流可以共享相同的物理层子信道。数据字段被添加到开销信息服务(OIS)信道, 用于携带摘要信息的高效逻辑信道。 来自功率有效的逻辑信道的数据被提供给接收信息汇总流的上层协议层。 信息汇总流可以携带广播信号,代码或其他信息中的信息流的版本号。 接收机设备定期监控OIS接收信息汇总流。 采用实施例,接收机设备可以最小化功耗,因为OIS的接收可以指示是否有任何新的信息流可用,从而避免周期性地检查信息流的需要。
    • 3. 发明授权
    • System and apparatus for power-efficiently delivering update information to devices in a broadcast network
    • 用于向广播网络中的设备电力高效地传送更新信息的系统和装置
    • US08724536B2
    • 2014-05-13
    • US12683907
    • 2010-01-07
    • Qiang GaoRalph Akram GholmiehAn M. Chen
    • Qiang GaoRalph Akram GholmiehAn M. Chen
    • H04H20/71
    • H04W72/005Y02D70/164Y02D70/168Y02D70/20
    • Embodiments provide power-efficient mechanisms for communicating small amounts of information to receiver devices within a mobile broadcast system. A generic transport mechanism enables transmitting data relevant to upper layer protocols in a lower layer sub-channel so multiple information summary flows can share the same physical layer sub-channel. Data fields are added to the Overhead Information Service (OIS) channel to provide power-efficient logical channels for carrying the summary information. Data from the power-efficient logical channels are provided to an upper protocol layer that receives the information summary flows. Information summary flow may carry a version number of an information flow in the broadcast signal, codes or other information. Receiver devices periodically monitoring the OIS receive the information summary flows. Employing an embodiment, a receiver device can minimize power consumption because reception of the OIS can indicate whether any new information flows are available, obviating a need to periodically check information flows.
    • 实施例提供了用于将少量信息传送到移动广播系统内的接收机设备的功率有效的机制。 通用传输机制使得能够在下层子信道中发送与上层协议相关的数据,因此多个信息汇总流可以共享相同的物理层子信道。 数据字段被添加到开销信息服务(OIS)信道,以提供用于携带摘要信息的功率高效的逻辑信道。 来自功率有效的逻辑信道的数据被提供给接收信息汇总流的上层协议层。 信息汇总流可以携带广播信号,代码或其他信息中的信息流的版本号。 接收机设备定期监控OIS接收信息汇总流。 采用实施例,接收机设备可以最小化功率消耗,因为OIS的接收可以指示是否有任何新的信息流可用,从而避免周期性地检查信息流的需要。
    • 6. 发明申请
    • METHODS AND APPARATUS FOR RF HANDOFF IN A MULTI-FREQUENCY NETWORK
    • 用于多频率射频处理的方法和装置
    • US20090197604A1
    • 2009-08-06
    • US12396173
    • 2009-03-02
    • Binita GuptaRalph Akram GholmiehYing Gao
    • Binita GuptaRalph Akram GholmiehYing Gao
    • H04W36/24
    • H04W72/005H04W36/0083H04W36/24H04W36/30
    • Methods and apparatus for RF handoff in a multi-frequency network. A method includes generating a handoff table that comprises RF channels of current and neighboring local operations infrastructures (LOIs) carrying the same content as a current RF channel; detecting a handoff event; disqualifying one or more of the RF channels from the handoff table based on disqualification criteria; selecting a selected RF channel from remaining RF channels in the handoff table that have not been disqualified; and performing a handoff from the current RF channel to the selected RF channel. Another method includes detecting a handoff event; identifying a start of a handoff time interval; determining if RSSI measurements are available at the start of the handoff time interval for RF channels carrying desired content; and performing a handoff to a selected RF channel having a greatest RSSI measurement.
    • 多频网络中RF切换的方法和装置。 一种方法包括生成包括携带与当前RF信道相同内容的当前和相邻本地操作基础设施(LOI)的RF信道的切换表; 检测切换事件; 基于取消资格标准,从切换表中取消一个或多个RF频道的资格; 从切换表中的尚未被取消资格的剩余RF信道中选择所选择的RF信道; 以及执行从当前RF信道到所选择的RF信道的切换。 另一种方法包括检测切换事件; 确定切换时间间隔的开始; 确定在携带期望内容的RF信道的切换时间间隔开始时RSSI测量是否可用; 并且对具有最大RSSI测量的所选RF信道执行切换。
    • 7. 发明申请
    • Methods and Apparatus for Service Acquisition in a Broadcast System
    • 广播系统中服务采集的方法和装置
    • US20080268787A1
    • 2008-10-30
    • US12107684
    • 2008-04-22
    • Ralph Akram GholmiehAn Mei ChenMichael DeVicoSajith BalrajYing Gao
    • Ralph Akram GholmiehAn Mei ChenMichael DeVicoSajith BalrajYing Gao
    • H04B17/00
    • H04W48/20H04H60/32H04W52/0241
    • Methods and apparatus for service acquisition in a broadcast system. In an aspect, a method includes detecting whether a loss of service has occurred, and initiating acquisition attempts during an aggressive acquisition phase if a loss of service has occurred, wherein a backoff time interval between successive acquisition attempts is constant or increased, and wherein the aggressive acquisition phase ends when service acquisition is achieved or a selected number of acquisition attempts have been performed. An apparatus includes interface logic configured to detect whether a loss of service has occurred, and processing logic configured to initiate acquisition attempts during an aggressive acquisition phase if a loss of service has occurred, wherein a backoff time interval between successive acquisition attempts is constant or increased, and wherein the aggressive acquisition phase ends when service acquisition is achieved or a selected number of acquisition attempts have been performed.
    • 在广播系统中服务获取的方法和装置。 在一方面,一种方法包括检测是否已经发生服务丢失,以及如果已经发生服务丢失,则在攻击性获取阶段期间开始获取尝试,其中连续采集尝试之间的退避时间间隔是恒定的或增加的,并且其中 当实现服务采集或执行了选定数量的采集尝试时,积极的采集阶段结束。 一种装置,包括:接口逻辑,被配置为检测是否已经发生服务丢失;以及处理逻辑,被配置为:如果已经发生服务丢失,则在攻击性获取阶段期间发起捕获尝试,其中连续采集尝试之间的退避时间间隔是恒定的或增加的 ,并且其中当实现服务获取或已经执行了所选择的获取尝试次数时,所述积极获取阶段结束。
    • 8. 发明授权
    • Methods and apparatus for RF handoff in a multi-frequency network
    • 多频网络中RF切换的方法和装置
    • US08750248B2
    • 2014-06-10
    • US12396173
    • 2009-03-02
    • Binita GuptaRalph Akram GholmiehYing Gao
    • Binita GuptaRalph Akram GholmiehYing Gao
    • H04W4/00
    • H04W72/005H04W36/0083H04W36/24H04W36/30
    • Methods and apparatus for RF handoff in a multi-frequency network. A method includes generating a handoff table that comprises RF channels of current and neighboring local operations infrastructures (LOIs) carrying the same content as a current RF channel; detecting a handoff event; disqualifying one or more of the RF channels from the handoff table based on disqualification criteria; selecting a selected RF channel from remaining RF channels in the handoff table that have not been disqualified; and performing a handoff from the current RF channel to the selected RF channel. Another method includes detecting a handoff event; identifying a start of a handoff time interval; determining if RSSI measurements are available at the start of the handoff time interval for RF channels carrying desired content; and performing a handoff to a selected RF channel having a greatest RSSI measurement.
    • 多频网络中RF切换的方法和装置。 一种方法包括生成包括携带与当前RF信道相同内容的当前和相邻本地操作基础设施(LOI)的RF信道的切换表; 检测切换事件; 基于取消资格标准,从切换表中取消一个或多个RF频道的资格; 从切换表中的尚未被取消资格的剩余RF信道中选择所选择的RF信道; 以及执行从当前RF信道到所选择的RF信道的切换。 另一种方法包括检测切换事件; 识别切换时间间隔的开始; 确定在携带期望内容的RF信道的切换时间间隔开始时RSSI测量是否可用; 并且对具有最大RSSI测量的所选RF信道执行切换。
    • 10. 发明授权
    • Methods and apparatus for service acquisition in a broadcast system
    • 在广播系统中服务获取的方法和装置
    • US08331969B2
    • 2012-12-11
    • US12107684
    • 2008-04-22
    • Ralph Akram GholmiehAn Mei ChenMichael DeVicoSajith BalrajYing Gao
    • Ralph Akram GholmiehAn Mei ChenMichael DeVicoSajith BalrajYing Gao
    • H04Q7/20
    • H04W48/20H04H60/32H04W52/0241
    • Methods and apparatus for service acquisition in a broadcast system. In an aspect, a method includes detecting whether a loss of service has occurred, and initiating acquisition attempts during an aggressive acquisition phase if a loss of service has occurred, wherein a backoff time interval between successive acquisition attempts is constant or increased, and wherein the aggressive acquisition phase ends when service acquisition is achieved or a selected number of acquisition attempts have been performed. An apparatus includes interface logic configured to detect whether a loss of service has occurred, and processing logic configured to initiate acquisition attempts during an aggressive acquisition phase if a loss of service has occurred, wherein a backoff time interval between successive acquisition attempts is constant or increased, and wherein the aggressive acquisition phase ends when service acquisition is achieved or a selected number of acquisition attempts have been performed.
    • 在广播系统中服务获取的方法和装置。 在一方面,一种方法包括检测是否已经发生服务丢失,以及如果已经发生服务丢失,则在攻击性获取阶段期间开始获取尝试,其中连续采集尝试之间的退避时间间隔是恒定的或增加的,并且其中 当实现服务采集或执行了选定数量的采集尝试时,积极的采集阶段结束。 一种装置,包括:接口逻辑,被配置为检测是否已经发生服务丢失;以及处理逻辑,被配置为:如果已经发生服务丢失,则在攻击性获取阶段期间发起捕获尝试,其中连续采集尝试之间的退避时间间隔是恒定的或增加的 ,并且其中当实现服务获取或已经执行了所选择的获取尝试次数时,所述积极获取阶段结束。