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    • 52. 发明申请
    • METHOD AND APPARATUS FOR OPTIMIZING A RETRY LIMIT FOR MULTIMEDIA SYSTEMS THAT ARE PRONE TO ERRORS
    • 用于优化发生错误的多媒体系统的重新限制的方法和装置
    • US20100162070A1
    • 2010-06-24
    • US12340249
    • 2008-12-19
    • Soumya DasKrishnan Rajamani
    • Soumya DasKrishnan Rajamani
    • H04L1/18G06F11/14
    • H04L1/1825H04L1/0018H04L1/1877
    • Devices, systems and methods for optimizing a number of retransmission attempts in a multimedia environment and managing delays in a host MAC layer. In its various aspects, the presently claimed invention includes several methodologies and systems that are configured for determining an optimal retry limit in response to one or both of a packet error rate bound and a latency bound. To the extent that the retry limit is determined with respect to one of the aforementioned boundaries, the presently claimed invention may include determining a confidence level that the non-selected bound will also be met by the selected retry limit. The presently claimed invention details devices, systems and methods optimizing the number of retransmission attempts to ensure delivery of the selected data packets while guarding against undue delays and application disruptions.
    • 用于优化多媒体环境中的重传尝试次数并管理主机MAC层中的延迟的装置,系统和方法。 在其各个方面中,目前要求保护的发明包括被配置用于响应于分组错误率绑定和延迟限制中的一个或两者来确定最佳重试限制的几种方法和系统。 在针对上述边界之一确定重试限制的范围内,当前要求保护的发明可以包括确定所选择的重试限制也将满足未选择的绑定的置信水平。 当前要求保护的发明详述了优化重传尝试次数的装置,系统和方法,以确保递送所选择的数据分组,同时防止不必要的延迟和应用中断。
    • 56. 发明申请
    • SYSTEMS AND METHODS FOR PROVIDING RESOURCE ALLOCATION MEETING COMMUNICATION CONSTRAINTS FOR MULTI-HOP NETWORK DATA FLOWS
    • 提供多种网络数据流的资源分配会议通信约束的系统和方法
    • US20110013644A1
    • 2011-01-20
    • US12638193
    • 2009-12-15
    • Soumya DasKrishnan RajamaniSamir Soliman
    • Soumya DasKrishnan RajamaniSamir Soliman
    • H04L12/43
    • H04L47/724H04L45/302
    • Systems and methods identify a multi-hop network data path with sufficient available resources at each node along the data path to facilitate desired end-to-end data flow. Embodiments operate to identify resource constraints for meeting QoS or other communication requirements at each node of a multi-hop data path and propagate the resource constraint information within the network for use in identifying data paths suitable for supporting a desired end-to-end data flow. A resource allocation algorithm operable to allocate resources to achieve an end-to-end data flow meeting the communication requirements is implemented according to embodiments. A resource allocation algorithm of embodiments operates to ensure efficient use of the available resources so that desired conditions are satisfied when the resource requirements are met at each intermediate node for the upstream and downstream links and also both links simultaneously.
    • 系统和方法在数据路径的每个节点处识别具有足够可用资源的多跳网络数据路径,以便于期望的端到端数据流。 实施例操作以识别用于在多跳数据路径的每个节点处满足QoS或其他通信需求的资源约束,并在网络内传播资源约束信息,以用于识别适合于支持期望的端到端数据流的数据路径 。 根据实施例,实现了可用于分配资源以实现满足通信要求的端到端数据流的资源分配算法。 实施例的资源分配算法操作以确保可用资源的有效使用,以便当在上游和下游链路的每个中间节点以及同时两个链路满足资源需求时满足期望的条件。
    • 57. 发明授权
    • Method and system for reducing header information in communication systems
    • 减少通信系统中标题信息的方法和系统
    • US08498280B2
    • 2013-07-30
    • US12730885
    • 2010-03-24
    • Soumya DasKrishnan Rajamani
    • Soumya DasKrishnan Rajamani
    • H04W4/00H04B7/212H04J3/14H04J3/24
    • H04W28/06
    • Systems and methods for reducing overhead in a communication system are disclosed. Different frame types are aggregated into an enhanced aggregated frame in response to a determination that the different frames are suitable for transmission within a single reservation period. In an embodiment, at least two frames of different types are identified, the suitability of an aggregated frame comprising at least a portion of each of the at least two frames for transmission during a first time duration is determined, and if suitable the aggregated frame is formatted for transmission by a transceiver. If unsuitable for transmission in the first time duration, a second time duration longer than the first time duration in which the aggregated frame is suitable for transmission is defined, and the aggregated frame is formatted for transmission by the transceiver.
    • 公开了用于减少通信系统中的开销的系统和方法。 响应于确定不同帧适合于在单个预留周期内的传输,不同的帧类型被聚合成增强的聚合帧。 在一个实施例中,识别不同类型的至少两个帧,确定包括用于在第一持续时间期间进行传输的至少两个帧中的每一个的至少一部分的聚合帧的适用性,并且如果合适,则聚合帧 格式化为收发器传输。 如果不适合于在第一时间段内的传输,则定义长于聚合帧适合于传输的第一持续时间的第二持续时间,并且聚合帧被格式化以供收发器发射。
    • 58. 发明申请
    • MAC DATA SERVICE ENHANCEMENTS
    • MAC数据服务增强
    • US20120072609A1
    • 2012-03-22
    • US12983567
    • 2011-01-03
    • Krishnan RajamaniSoumya Das
    • Krishnan RajamaniSoumya Das
    • H04W84/02G06F15/16H04W4/00
    • H04N21/43637H04L1/1635H04L1/1838H04N21/4122H04N21/41407H04W4/38H04W28/065
    • Wireless video transmissions over a MAC layer employ various techniques to improve throughput which may negatively impact latency, such as Block-ACK and data aggregation. To improve latency while continuing to improve throughput, data packets are fenced according to application layer specifications and then transmitted. For video data, Block-ACK sequences and aggregation sequences are terminated at the end of video frames or video slices. For data aggregation, a physical layer data packet concludes at the end of a video frame or slice. The application layer can indicate to the MAC layer when such packet fencing is to occur. In use with 802.11n transmission a data flag may be used by the MAC layer to facilitate fencing.
    • MAC层上的无线视频传输采用各种技术来提高吞吐量,这可能会对等待时间造成负面影响,例如Block-ACK和数据聚合。 为了在持续提高吞吐量的同时提高延迟,数据包根据应用层规范进行围封,然后传输。 对于视频数据,Block-ACK序列和聚合序列在视频帧或视频片段结束时终止。 对于数据聚合,物理层数据分组在视频帧或分片结束时结束。 当发生这种分组防护时,应用层可以向MAC层指示。 在与802.11n传输一起使用时,MAC层可以使用数据标志来促进栅栏。
    • 60. 发明授权
    • MAC data service enhancements
    • MAC数据服务增强
    • US08700796B2
    • 2014-04-15
    • US12983567
    • 2011-01-03
    • Krishnan RajamaniSoumya Das
    • Krishnan RajamaniSoumya Das
    • G06F15/16G06F3/00
    • H04N21/43637H04L1/1635H04L1/1838H04N21/4122H04N21/41407H04W4/38H04W28/065
    • Wireless video transmissions over a MAC layer employ various techniques to improve throughput which may negatively impact latency, such as Block-ACK and data aggregation. To improve latency while continuing to improve throughput, data packets are fenced according to application layer specifications and then transmitted. For video data, Block-ACK sequences and aggregation sequences are terminated at the end of video frames or video slices. For data aggregation, a physical layer data packet concludes at the end of a video frame or slice. The application layer can indicate to the MAC layer when such packet fencing is to occur. In use with 802.11n transmission a data flag may be used by the MAC layer to facilitate fencing.
    • MAC层上的无线视频传输采用各种技术来提高吞吐量,这可能会对等待时间造成负面影响,例如Block-ACK和数据聚合。 为了在持续提高吞吐量的同时提高延迟,数据包根据应用层规范进行围封,然后传输。 对于视频数据,Block-ACK序列和聚合序列在视频帧或视频片段结束时终止。 对于数据聚合,物理层数据分组在视频帧或分片结束时结束。 当发生这种分组防护时,应用层可以向MAC层指示。 在与802.11n传输一起使用时,MAC层可以使用数据标志来促进栅栏。