| Controlling Techniques of Channel Sharing in HFC Network |
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| 作者姓名： | SHI Jin ZENG Xi_hua |
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| 摘 要： | The techniques of sharing a channel in HFC are original with regard to those of Ethernet and Ring. In this paper, the analysis is stressed on the method of the upstream bandwidth allocation, the collision resolving, and the relationship among them, beginning with MAP management message. The MAP is a complex frame, in which the messages of ranging opportunity needed by the CM at the access beginning, bandwidth allocation contention, bandwidth allocation and collision detection are included. The access way for a user is explained after the frame format and functions of a MAP are illustrated. Finally, upstream bandwidth allocation, the cause of collision, algorithm and the process to solve the collision and so on are studied.
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| 关 键 词： | wide band channel collision |
| 修稿时间： | 2001/9/18 0:00:00 |
Controlling Techniques of Channel Sharing in HFC Network |
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| SHI Jin,ZENG Xi_hua.Controlling Techniques of Channel Sharing in HFC Network[J].Storage & Process,2002(3):30-34. |
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| Authors: | SHI Jin ZENG Xi_hua |
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| Abstract: | The techniques of sharing a channel in HFC are original with regard to those of Ethernet and Ring. In this paper, the analysis is stressed on the method of the upstream bandwidth allocation, the collision resolving, and the relationship among them, beginning with MAP management message. The MAP is a complex frame, in which the messages of ranging opportunity needed by the CM at the access beginning, bandwidth allocation contention, bandwidth allocation and collision detection are included. The access way for a user is explained after the frame format and functions of a MAP are illustrated. Finally, upstream bandwidth allocation, the cause of collision, algorithm and the process to solve the collision and so on are studied. |
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| Keywords: | wide band channel collision |
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