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    • 1. 发明授权
    • Paging channel queue management based on load
    • 基于负载的寻呼信道队列管理
    • US08305894B1
    • 2012-11-06
    • US11499518
    • 2006-08-04
    • Hui ZangJean C. BolotJeremy Serror
    • Hui ZangJean C. BolotJeremy Serror
    • G06F11/00
    • H04W28/08H04L47/521H04W28/02H04W28/0205H04W28/0289H04W52/0219H04W68/00H04W72/042H04W72/1252Y02D70/00Y02D70/142
    • A method and apparatus for more efficiently scheduling transmission of page messages over a paging channel in a radio access network (RAN). The RAN, which generally assigns slotted messages a higher transmission priority than non-slotted messages, may determine a level of occupancy of the paging channel either periodically, continuously, or responsive to a triggering event. Thereafter, the RAN may compare the level of occupancy to a load threshold, which may either be based on (i) a predicted probability of non-slotted messages that will result from slotted messages in the RAN, or (ii) a ratio of non-slotted messages to slotted messages in the RAN. If the load threshold is based on the ratio, the RAN may determine the load threshold before making the comparison. After making the comparison, the RAN may assign non-slotted messages a higher transmission priority than slotted messages if the level of occupancy exceeds the load threshold.
    • 一种用于通过无线电接入网络(RAN)中的寻呼信道更有效地调度寻呼消息传输的方法和装置。 通常将时隙消息分配给比非时隙消息更高的传输优先级的RAN可以周期性,连续地或响应于触发事件来确定寻呼信道的占用水平。 此后,RAN可以将占用的等级与负载阈值进行比较,其可以基于(i)由RAN中的时隙消息产生的非时隙消息的预测概率,或者(ii) 已将消息发送到RAN中的时隙消息。 如果负载阈值基于该比率,则RAN可以在进行比较之前确定负载阈值。 进行比较后,如果占用率超过负载阈值,则RAN可以将非时隙消息分配给比时隙消息更高的传输优先级。
    • 3. 发明授权
    • Statistical method for determining the location of a mobile device
    • 用于确定移动设备的位置的统计方法
    • US08423047B1
    • 2013-04-16
    • US13047346
    • 2011-03-14
    • Hui ZangJean C. BolotFrancois Baccelli
    • Hui ZangJean C. BolotFrancois Baccelli
    • H04W24/00
    • H04W64/003G01S5/0242G01S5/0278
    • An embodiment of the current invention is directed to facilitating a location-based service for use by a given mobile-device. A location of each of a number of base stations that makes up a portion of a wireless-telecommunications-network is identified. For a given base station, the probability that it provides a level of signal coverage to a geographical area that would enable the mobile-device in the first geographical area to communicate with the network is determined. A density of possible locations that the mobile-device may be within the geographical area is determined. A position for the mobile-device is approximated based on the density. A location-based service is facilitated for use by the mobile-device based on the position of the mobile-device.
    • 本发明的实施例旨在促进由给定移动设备使用的基于位置的服务。 识别构成无线电信网络的一部分的多个基站中的每一个的位置。 对于给定的基站,确定其向使得第一地理区域中的移动设备能够与网络通信的地理区域提供信号覆盖水平的概率。 确定移动设备可能位于地理区域内的可能位置的密度。 基于密度来近似移动设备的位置。 基于位置的服务便于移动设备基于移动设备的位置使用。
    • 4. 发明授权
    • Methods and systems for paging in a communication system
    • 在通信系统中寻呼的方法和系统
    • US08442559B1
    • 2013-05-14
    • US12204041
    • 2008-09-04
    • Hui ZangJean C. Bolot
    • Hui ZangJean C. Bolot
    • H04W68/00
    • H04W68/04
    • Disclosed herein is a method of operating a communication system, wherein the method comprises receiving entity historical performance information including a paging delay value and a paging cost value for each of a plurality of past call periods; receiving target performance information indicating a paging delay goal and a paging cost goal; processing the historical performance information and the target performance information to determine a past call period wherein the past call period comprises one of the plurality of past call periods having a paging delay value that is within a predetermined proximity of the paging delay goal and a paging cost value that is within a predetermined proximity of the paging cost goal; processing call history information associated with the entity to determine a plurality of locations where the entity was located during the past call period; receiving a call for the entity; and in response to the call, transferring a plurality of paging messages to page the entity at the plurality of locations.
    • 本文公开了一种操作通信系统的方法,其中所述方法包括接收包括多个过去呼叫周期中的每一个的寻呼延迟值和寻呼成本值的实体历史性能信息; 接收指示寻呼延迟目标和寻呼成本目标的目标性能信息; 处理历史性能信息和目标性能信息以确定过去的呼叫周期,其中过去的呼叫周期包括具有在寻呼延迟目标的预定接近度内的寻呼延迟值的多个过去呼叫周期之一和寻呼成本 在寻呼成本目标的预定接近度内的值; 处理与所述实体相关联的呼叫历史信息以确定所述实体在过去呼叫期间所在的多个位置; 接收对该实体的呼叫; 并且响应于所述呼叫,传送多个寻呼消息以在所述多个位置上寻呼所述实体。
    • 7. 发明授权
    • Communications-service fraud detection using special social connection
    • 通信服务欺诈检测使用特殊的社会关系
    • US08413234B1
    • 2013-04-02
    • US12775579
    • 2010-05-07
    • Hui ZangTravis E. Dawson
    • Hui ZangTravis E. Dawson
    • H04L29/06
    • H04W12/12H04L63/1425H04M15/47
    • A method, system, and medium are provided for detecting fraud, the method comprising: initializing a fraud hypothesis variable associated with a communications device, receiving data that describes a plurality of outgoing communication records that are associated with said communications device, wherein the data is related to activity that took place over a given period of time, extracting a plurality of destination identifiers from said plurality of communication records, for each of at least a portion of said plurality of destination identifiers, modifying said fraud hypothesis variable based on a fraud metric associated with said destination identifier, comparing said fraud hypothesis variable to a first predetermined threshold, and when said fraud hypothesis variable exceeds said first predetermined threshold, generating a fraud indication that is related to said communications device.
    • 提供了一种用于检测欺诈的方法,系统和媒体,所述方法包括:初始化与通信设备相关联的欺诈假设变量,接收描述与所述通信设备相关联的多个输出通信记录的数据,其中数据是 涉及在给定时间段内发生的活动,对于所述多个目的地标识符的至少一部分中的每一个,从所述多个通信记录中提取多个目的地标识符,基于欺诈度量来修改所述欺诈假设变量 与所述目的地标识符相关联,将所述欺诈假设变量与第一预定阈值进行比较,并且当所述欺诈假设变量超过所述第一预定阈值时,生成与所述通信设备相关的欺诈指示。
    • 10. 发明授权
    • Adaptive rate allocation for multiple TCP sources in wireless networks
    • 无线网络中多个TCP源的自适应速率分配
    • US07733777B1
    • 2010-06-08
    • US11760370
    • 2007-06-08
    • Ashwin SridharanMajid GhaderiHui Zang
    • Ashwin SridharanMajid GhaderiHui Zang
    • H04J1/16
    • H04W72/1257H04W28/22H04W48/16H04W72/04H04W72/1226H04W88/12
    • A media, method, and system, are provided for dynamically allocating channel resources to multiple TCP sessions in a wireless network. The wireless network may be a multi-rate network having a base station controller that adapts wireless channel rates associated with a communication session based on a preemption probability associated with a high-rate channel. The base station controller includes a scheduler and optimization engine that probes the wireless network to gather TCP parameters, such as round trip times, etc. The optimization engine utilizes a long-term sending rate to generate a subset of channel rates from available channel rates associated with the wireless network. The scheduler engine utilizes the instantaneous sending rate to adapt the wireless channel rate by selecting a channel rate from the subset of channel rates.
    • 提供了一种媒体,方法和系统,用于将信道资源动态地分配给无线网络中的多个TCP会话。 无线网络可以是具有基站控制器的多速率网络,基站控制器基于与高速率信道相关联的抢占概率来适应与通信会话相关联的无线信道速率。 基站控制器包括调度器和优化引擎,其调查无线网络以收集诸如往返时间等TCP参数。优化引擎利用长期发送速率从相关的可用信道速率生成信道速率子集 与无线网络。 调度器引擎利用瞬时发送速率通过从信道速率子集中选择信道速率来适应无线信道速率。