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    • 83. 发明申请
    • Distributed Overlay Multi-Channel Media Access Control (MAC) for Wireless Ad Hoc Networks
    • 用于无线Ad Hoc网络的分布式覆盖多通道媒体访问控制(MAC)
    • US20100214945A1
    • 2010-08-26
    • US12775416
    • 2010-05-06
    • Haitao WuKun TanJun ZhaoYongguang Zhang
    • Haitao WuKun TanJun ZhaoYongguang Zhang
    • H04W80/00H04W72/04
    • H04W72/02H04W72/085H04W84/18
    • Systems and methods for distributed overlay multi-channel MAC for wireless ad hoc networks are described. In one aspect, the systems and methods divide channel frequencies defined by a wireless network protocol into a single home channel and multiple guest channels that are orthogonal to the home channel. Each of the network nodes in the ad hoc network operates on the home channel for respective variable and overlapping amounts of time to maintain network connectivity with other respective network nodes. Additionally, each of the network nodes determines whether and when to switch from the home channel to a particular guest channel of the guest channels for a variable amount of time to increase data throughput over one or more corresponding communication links in the ad hoc network with other network node(s).
    • 描述了用于无线自组织网络的分布式覆盖多信道MAC的系统和方法。 在一个方面,系统和方法将由无线网络协议定义的信道频率划分为单个归属信道和与归属信道正交的多个客户信道。 ad hoc网络中的每个网络节点在归属信道上操作相应的可变和重叠的时间量,以维持与其他各个网络节点的网络连接。 另外,每个网络节点确定是否以及何时何时从客户信道切换到客户信道的特定客体信道一段可变的时间量,以增加具有其他的自组织网络中的一个或多个对应的通信链路上的数据吞吐量 网络节点。
    • 84. 发明授权
    • Method for dynamic bandwidth allocation in passive optical network
    • 无源光网络动态带宽分配方法
    • US07720072B2
    • 2010-05-18
    • US10576520
    • 2004-10-21
    • Peilong TanJun ZhaoYu LiuJianming Hong
    • Peilong TanJun ZhaoYu LiuJianming Hong
    • H04L12/28H04L12/56
    • H04Q11/0067H04B10/272H04J3/1694H04Q11/0066H04Q2011/0064H04Q2011/0084
    • A method for dynamic bandwidth allocation in Passive Optical Network (PON), said PON includes a OLT and a plurality of ONUs accessing to the OLT, comprising: classifying traffic which is to be communicated between the OLT and the ONUs into a plurality of service types, and granting a different priority to each type of the services; authorizing service ports of every type of services to transmit service data in descending sequence of said priorities of the services, and recording granting information of the service ports obtained from the authorization; reading out said granting information of every to-be-granted service port of a same ONU; and scheduling granted start time of data transmission of every to-be-granted port of current ONU, generating downlink granting messages including both said granting information and said granted start time of data transmission of every granted port of said current ONU, transmitting said downlink granting messages to said current ONU. This method for bandwidth allocation in the present invention can satisfy requirements of different types of services, increase bandwidth utilization ratio and realize equal bandwidth allocation.
    • 一种用于在无源光网络(PON)中进行动态带宽分配的方法,所述PON包括OLT和接入OLT的多个ONU,包括:将要在OLT和ONU之间传送的业务分类为多种业务类型 并对每种类型的服务给予不同的优先权; 授权各类服务的服务端口按服务优先级顺序传送服务数据,记录从授权中获取的服务端口的授权信息; 读出同一个ONU的每个被授权服务端口的授权信息; 并且调度授权当前ONU的每个被授权端口的数据传输的开始时间,生成包括所述授权信息和所述当前ONU的每个授权端口的所述许可的数据传输开始时间的下行链路授权消息,发送所述下行链路授权 向当前ONU发送消息。 本发明的带宽分配方法可以满足不同业务类型的需求,增加带宽利用率,实现相等的带宽分配。
    • 86. 发明授权
    • Method for monitoring upstream burst performance in a point to multi-point access network
    • 监控点到多点接入网络的上行突发性能的方法
    • US07684345B2
    • 2010-03-23
    • US11612611
    • 2006-12-19
    • Huafeng LinJun ZhaoWei Huang
    • Huafeng LinJun ZhaoWei Huang
    • H04L12/26
    • H04L43/0852H04J3/0682H04J3/1694H04L43/16H04Q11/0066H04Q11/0067H04Q2011/0083
    • The present disclosure is related to a method for monitoring upstream burst performance in a point to multi-point access network. The method comprises: determining the expected time of the upstream data burst from the current terminal end (TE) reaching the head end (HE) using the timeslot assigned to the current TE, monitoring the actual time of the upstream data burst from the current TE reaching the HE, calculating and saving the difference between the expected time and the actual time of the upstream data burst from the current TE reaching the HE; calculating and outputting whether the difference is equal to or exceeds the TE's performance index value for the predetermined monitoring terms. The method provided by the present disclosure may monitor upstream burst performance of the entire network and discover the TEs with potential malfunctions, to effectively improve the network's stability.
    • 本公开涉及一种用于监视点到多点接入网络中的上行突发性能的方法。 该方法包括:使用分配给当前TE的时隙确定从当前终端(TE)到目的终端(HE)的上游数据脉冲串的预期时间,监视来自当前TE的上行数据脉冲串的实际时间 到达HE,计算并保存从当前TE到达HE的上行数据突发的预期时间和实际时间之间的差; 计算并输出该预定监视项的差是否等于或超过TE的性能指标值。 本公开提供的方法可以监视整个网络的上行突发性能并发现具有潜在故障的TE,以有效地提高网络的稳定性。