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1.发明授权Random number generating apparatus for an interface unit of a carrier sense with multiple access and collision detect (CSMA/CD) ethernet data network 失效用于具有多路访问和冲突检测（CSMA / CD）以太网数据网络的载波侦听接口单元的随机数生成装置
公开(公告)号：US5838904A
公开(公告)日：1998-11-17
申请号：US847717
申请日：1997-04-28
CPC分类号： H04L12/413 , G06F7/584 , H04L12/4608 , H04Q11/0478 , G06F2207/581 , G06F2207/583 , H04L2012/5615 , H04L2012/5616 , H04L2012/5618 , H04L2012/5652 , H04L2012/5653
摘要： A random number generating apparatus for an interface unit of a Carrier Sense with Multiple Access and Collision Detect (CSMA/CD) Ethernet data network. The interface unit includes a transmit backoff unit for implementing a backoff algorithm in response to a network collision signal and a random number. The apparatus comprises a dual mode random number generator and a multiplexer for switching the random number generator between modes in accordance with the serial address bits of a data packet being processed by the interface unit. The random number generator includes a 25 stage linear feedback shift register. The multiplexer has two signal inputs connected to outputs of the 18th and 22nd stages of the shift register respectively, a switch input connected to receive the serial address bits and an output connected in circuit to an input of the shift register.
摘要翻译： 一种用于具有多路访问和冲突检测（CSMA / CD）以太网数据网络的载波侦听接口单元的随机数生成装置。 接口单元包括用于响应于网络冲突信号和随机数实现退避算法的发送回退单元。 该装置包括双模随机数发生器和多路复用器，用于根据由接口单元正在处理的数据分组的串行地址位来在模式之间切换随机数发生器。 随机数发生器包括一个25级线性反馈移位寄存器。 复用器具有分别连接到移位寄存器的第18和第22级的输出端的两个信号输入端，连接到接收串行地址位的开关输入端和连接到移位寄存器的输入端的输出端。
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2.发明授权Random number generating apparatus for an interface unit of a carrier sense with multiple access and collision detect (CSMA/CD) ethernet data network 失效用于具有多路访问和冲突检测（CSMA / CD）以太网数据网络的载波侦听接口单元的随机数生成装置
公开(公告)号：US5625825A
公开(公告)日：1997-04-29
申请号：US141194
申请日：1993-10-21
IPC分类号： G06F7/58 , H04L12/413 , H04L12/46 , H04L12/56 , H04Q11/04
CPC分类号： H04L12/413 , G06F7/584 , H04L12/4608 , H04Q11/0478 , G06F2207/581 , G06F2207/583 , H04L2012/5615 , H04L2012/5616 , H04L2012/5618 , H04L2012/5652 , H04L2012/5653
摘要： A random number generating apparatus for an interface unit of a Carrier Sense with Multiple Access and Collision Detect (CSMA/CD) Ethernet data network. The interface unit includes a transmit backoff unit for implementing a backoff algorithm in response to a network collision signal and a random number. The apparatus comprises a dual mode random number generator and a multiplexer for switching the random number generator between modes in accordance with the serial address bits of a data packet being processed by the interface unit. The random number generator includes a 25 stage linear feedback shift register. The multiplexer has two signal inputs connected to outputs of the 18th and 22nd stages of the shift register respectively, a switch input connected to receive the serial address bits and an output connected in circuit to an input of the shift register.
摘要翻译： 一种用于具有多路访问和冲突检测（CSMA / CD）以太网数据网络的载波侦听接口单元的随机数生成装置。 接口单元包括用于响应于网络冲突信号和随机数实现退避算法的发送回退单元。 该装置包括双模随机数发生器和多路复用器，用于根据由接口单元正在处理的数据分组的串行地址位来在模式之间切换随机数发生器。 随机数发生器包括一个25级线性反馈移位寄存器。 复用器具有分别连接到移位寄存器的第18和第22级的输出端的两个信号输入端，连接到接收串行地址位的开关输入端和连接到移位寄存器的输入端的输出端。
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