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1. 发明授权

US07313105B1 Mechanism and method to select a time delay in response to a collision 有权
标题翻译：选择响应于碰撞的时间延迟的机制和方法
公开(公告)号：US07313105B1
公开(公告)日：2007-12-25
申请号：US09670172
申请日：2000-09-26
申请人： Wing F. Lo , Francois F. Blouin
发明人： Wing F. Lo , Francois F. Blouin
IPC分类号： H04B7/216 , H04J15/00 , G06F15/16
CPC分类号： H04L12/413 , H04L47/13 , H04L47/2416 , H04L47/2433
摘要： A communications system includes a network that is coupled to a number of terminals, at least some of which are capable of audio or other forms of real-time interactive data communications over the network. Each of the terminals includes a network adapter that is capable of detecting a collision with another terminal on the network. If a collision is detected, transmission of a data frame is aborted, and a backoff time delay is selected. The backoff time delay is selected from a group of delay periods that vary at a rate different than exponentially with a number of collisions. The group of one or more delay periods can contain delay periods that increase linearly with the number of collisions, delay periods that increase according to some power of n, where n is the number of collisions, or a delay period that is selected at random based on a predetermined mean backoff delay. Alternatively, the selected backoff time delay is selected from a group of delay periods that increases exponentially with the number of collisions, but with a maximum value set that is less than the maximum set according to conventional backoff algorithms.
摘要翻译：通信系统包括耦合到多个终端的网络，其中至少一些能够通过网络进行音频或其他形式的实时交互式数据通信。每个终端包括能够检测与网络上的另一终端的冲突的网络适配器。如果检测到冲突，则中止数据帧的发送，并且选择退避时间延迟。从一组延迟周期中选择后退时间延迟，该组的延迟周期以与多次碰撞的指数式不同的速率变化。一个或多个延迟周期的组可以包含随着冲突次数线性增加的延迟周期，根据n的一些功率增加的延迟周期，其中n是冲突的数量，或者以随机为基础选择的延迟周期在预定的平均回退延迟上。或者，所选择的退避时间延迟是从一组延迟周期中选择的，这些延迟周期随着冲突次数而呈指数增长，但是根据传统的退避算法具有小于最大值的最大值集合。

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