发明名称 |
MEDIUM ACCESS CONTROL METHOD OF A PASSIVE OPTICAL NETWORK AND A SYSTEM THEREOF, CONCERNED WITH PREDICTING A MAXIMUM POLLING PERIOD OF AN EXISTING SUBSCRIBER AND PREVENTING A LONG STANDBY TIME OF NEW POLLING REGISTERS |
摘要 |
PURPOSE: An MAC method of a PON(Passive Optical Network) and a system thereof are provided to set a threshold value to prevent a service quality deterioration caused by a bandwidth monopoly, thereby predicting a maximum polling period of an existing subscriber and preventing a long standby time of new polling registers. CONSTITUTION: Each ONT(Optical Network Termination) waits for a registration request frame(S401), transmits a polling group subscription frame to an OLT(Optical Line Terminator), and registers in a polling table(S402). Each ONT receives a frame from the OLT to compare the frame with a destination address, and abandons the frame if the frame does not have the identical address(S403-S405). If a self MAC address is identical with the destination address, each ONT checks a frame type(S406). If the received frame is a control frame, the ONT confirms whether the frame is a polling frame(S408). If so, the ONT first confirms whether a polling group secession request is received from the upper layer(S409). If so, the procedure is completed.
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申请公布号 |
KR20040080190(A) |
申请公布日期 |
2004.09.18 |
申请号 |
KR20030015080 |
申请日期 |
2003.03.11 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE;INFORMATION AND COMMUNICATIONS UNIVERSITY EDUCATIONAL FOUNDATION |
发明人 |
CHO, JAE HYEONG;CHO, JI HYEONG;KANG, MIN HO;KIM, NAM UK;LEE, U SEOP |
分类号 |
H04L12/403;(IPC1-7):H04L12/403 |
主分类号 |
H04L12/403 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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