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    • 6. 发明专利
    • Communication device, communication system and communication method
    • 通信设备,通信系统和通信方法
    • JP2013098649A
    • 2013-05-20
    • JP2011237766
    • 2011-10-28
    • Fujitsu Ltd富士通株式会社
    • KUROSHITA KAZUMASA
    • H04L12/801H04L12/911
    • H04W28/0215H04L5/0058H04L5/0064H04L41/0896H04L43/0888H04L43/16H04L47/76H04L47/783H04W4/005H04W28/0231H04W28/0268H04W28/0284H04W28/0289H04W28/20
    • PROBLEM TO BE SOLVED: To vary the criterion value of a communication amount of each communication device among a plurality of communication devices.SOLUTION: A communication device includes: storage means for storing the communication amount of each of the plurality of communication devices, the criterion value of the communication amount and a criterion adjustment value for adjusting the criterion value; calculation means for calculating each criterion value of the plurality of communication devices on the basis of an upper limit value, the communication amount and the criterion adjustment value of each of the plurality of communication devices stored in the storage means, when a communication amount between the self-communication device and a center device exceeds the criterion value of the self-communication device; updating means for updating the criterion value in the storage means to each criterion value of the plurality of communication devices calculated in the calculation means; transmission means for transmitting each criterion value of the plurality of communication devices calculated in the calculation means to another communication device; and reception means for receiving each criterion value of the plurality of communication devices transmitted from the other communication device, and updating the criterion value in the storage means.
    • 要解决的问题:改变多个通信设备中每个通信设备的通信量的标准值。 解决方案:通信装置包括:存储装置,用于存储多个通信装置中的每一个的通信量,通信量的标准值和用于调整标准值的标准调整值; 计算装置,用于根据存储在存储装置中的多个通信装置中的每一个的上限值,通信量和标准调整值来计算多个通信装置的每个标准值,当通信量 自身通信设备和中心设备超过自身通信设备的标准值; 更新装置,用于将存储装置中的标准值更新为在计算装置中计算的多个通信装置的每个标准值; 发送装置,用于将在所述计算装置中计算出的所述多个通信装置的每个标准值发送到另一通信装置; 以及接收装置,用于接收从其他通信设备发送的多个通信设备的每个标准值,并更新存储装置中的标准值。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Dynamic bandwidth allocation device and method, and station side device of pon system
    • PON系统的动态带宽分配设备和方法及站点设备
    • JP2010252062A
    • 2010-11-04
    • JP2009099576
    • 2009-04-16
    • Sumitomo Electric Ind Ltd住友電気工業株式会社
    • SHIBA SHINGOINOUE TORU
    • H04L12/44H04L12/28
    • H04Q11/0067H04J3/0655H04J14/0246H04J14/0247H04J14/0252H04J14/0256H04J14/026H04J14/0282H04L47/76H04Q2011/0064
    • PROBLEM TO BE SOLVED: To perform bandwidth allocation while preventing upstream frames from being discarded at the time of buffer overflow, to reliably relay the upstream frames to a host side.
      SOLUTION: The dynamic bandwidth allocation device 12 is equipped in a PON system station side device 1 which, for example, relays upstream frames F1, F2 received from house side units 2 to higher-order networks 6. On the basis of the rate that the upstream frames F1, F2 are received from home units 2, the rate that relay devices transmit the upstream frames F1, F2, and the change in the amounts of data generated when the upstream frames F1, F2 are relayed, the dynamic bandwidth allocation device 12 calculates an allocated maximum bandwidth (max_bw) at which the upstream frames F1, F2 can be relayed even when the amounts of data are increased, and dynamically allocates the amount of upstream data of each home unit 2, within the range of the calculated allocated maximum bandwidth (max_bw).
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了在缓冲区溢出时防止上游帧被丢弃的同时执行带宽分配,可靠地将上游帧中继到主机侧。 解决方案:动态带宽分配设备12配备在PON系统站侧设备1中,PON系统站侧设备1例如将从房屋侧单元2到高阶网络6接收的上行帧F1,F2中继。基于 评估上游帧F1,F2从本地单元2接收的速率,中继设备发送上行帧F1,F2的速率,以及当中继上游帧F1,F2时产生的数据量的变化,动态带宽 分配装置12计算即使增加数据量也可以中继上游帧F1,F2的分配的最大带宽(max_bw),并且动态地分配每个归属单元2的上行数据量在 计算分配的最大带宽(max_bw)。 版权所有(C)2011,JPO&INPIT