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    • 1. 发明授权
    • Method and apparatus for detecting base station transceivers malfunctions
    • 用于检测基站收发器故障的方法和装置
    • US06587686B1
    • 2003-07-01
    • US09459941
    • 1999-12-14
    • Angelo CuffaroMichel Desgagne
    • Angelo CuffaroMichel Desgagne
    • H04Q734
    • H04W24/00H04B17/19H04B17/309
    • The present invention is directed to method and apparatus for detecting base station (BS) transceivers malfunctions in a cellular telecommunications system. A Transceiver Malfunction Detector (TMD) receives and stores information related to the service performance of the BS transceivers and sorts the information on a per transceiver basis, for generating a service quality value for each transceiver. The TMD computes a service quality threshold value proportional to the average performance of the BS transceivers, and compares the service quality value of each monitored transceiver with the threshold, for determining the acceptability of the transceiver performance. The TMD also detects the cause of a malfunction in a transceiver, by assigning the frequencies used by an adequate transceiver to a transceiver suspected to be malfunctioning and by further monitoring the activity of the initially malfunctioning transceiver. When the transceiver persists malfunctioning after the frequency change, it is concluded that the malfunction is due to a hardware or software problem in the transceiver, while if the transceiver performance improves after the frequency change, it is concluded that the malfunction is due to a frequency interference.
    • 本发明涉及用于检测蜂窝电信系统中的基站(BS)收发信机故障的方法和装置。 收发器故障检测器(TMD)接收并存储与BS收发器的服务性能相关的信息,并且以每个收发机为基础对信息进行排序,以产生每个收发信机的服务质量值。 TMD计算与BS收发器的平均性能成比例的服务质量阈值,并将每个监控的收发器的服务质量值与阈值进行比较,以确定收发器性能的可接受性。 TMD还通过将适当的收发器使用的频率分配给怀疑发生故障的收发器,并通过进一步监视最初发生故障的收发器的活动,来检测收发器故障的原因。 当频率变化后收发器仍然存在故障时,得出结论,故障是由于收发器中的硬件或软件问题,而如果在频率变化后收发器性能提高,则得出结论,故障是由于频率 干扰。
    • 2. 发明申请
    • Method and apparatus for scheduling data transmissions based on a traffic data pattern model
    • 基于交通数据模式模型来调度数据传输的方法和装置
    • US20070058557A1
    • 2007-03-15
    • US11300213
    • 2005-12-14
    • Angelo CuffaroHoward GoldbergMichel Desgagne
    • Angelo CuffaroHoward GoldbergMichel Desgagne
    • H04J1/16H04Q7/24
    • H04L43/087H04L47/10H04L47/14H04L47/2416H04L47/2458H04L47/283
    • A communication network includes at least two nodes which exchange data packets. The communication network further includes a processor and a data transmission scheduling unit. The processor monitors the data packets, collects and analyzes information contained in the data packets, and identifies a particular service based on the monitoring of the data packets and the analysis of the information contained in the data packets. The data transmission scheduling unit schedules the transmission of data packets exchanged between the nodes based on a predefined traffic data pattern model selected by the processor from a plurality of predefined traffic data pattern models which is most appropriate for the identified service. Alternatively, a neural network is used to identify the service and select the most appropriate traffic data pattern model used by the data transmission scheduling unit to schedule the transmission of the data packets.
    • 通信网络包括至少两个交换数据分组的节点。 通信网络还包括处理器和数据传输调度单元。 处理器监视数据包,收集和分析包含在数据包中的信息,并且基于对数据包的监视和对包含在数据包中的信息的分析来识别特定服务。 数据传输调度单元基于由处理器选择的预定交通数据模式模型来调度在节点之间交换的数据分组的传输,该多个预定义业务数据模式模型最适合所识别的业务。 或者,使用神经网络来识别服务并选择数据传输调度单元使用的最合适的业务数据模式模型来调度数据分组的传输。
    • 6. 发明申请
    • Method and apparatus for controlling wireless medium congestion by adjusting contention window size and disassociating selected mobile stations
    • 通过调整争用窗口大小和分离所选择的移动站来控制无线媒体拥塞的方法和装置
    • US20060187840A1
    • 2006-08-24
    • US11263291
    • 2005-10-31
    • Angelo CuffaroAhmed Ali
    • Angelo CuffaroAhmed Ali
    • H04J1/16H04Q7/00
    • H04W48/06H04W28/08H04W28/18H04W74/08H04W76/30H04W84/12H04W88/08
    • A method and apparatus for alleviating congestion of a wireless medium used by an access point (AP) and a plurality of wireless transmit/receive units (WTRUs) is disclosed. If congestion is determined to exist on the wireless medium, a determination is then made as to whether there are any low priority traffic streams established between the AP and at least one of the WTRUs. If there are no low priority traffic streams established between the AP and at least one of the WTRUs, selected ones of the associated WTRUs are disassociated with the AP based on the amount of time spent by the WTRUs trying to transmit and retransmit unacknowledged packets or on a specific traffic stream access category. If low priority traffic streams have been established, the packet transmission delay associated with the low priority traffic streams is increased when congestion exists. Otherwise, the packet transmission delay is decreased.
    • 公开了一种用于减轻由接入点(AP)和多个无线发射/接收单元(WTRU)使用的无线介质的拥塞的方法和装置。 如果在无线介质上确定拥塞存在,则确定在AP和至少一个WTRU之间是否建立了任何低优先级业务流。 如果在AP和至少一个WTRU之间没有建立低优先级流量流,则基于所述尝试发送和重传未确认分组的WTRU所花费的时间量,或者基于 一个特定的流量流访问类别。 如果已经建立了低优先级业务流,则当拥塞存在时,与低优先级业务流相关联的分组传输延迟增加。 否则,分组传输延迟减小。