CN100428705C - 具有用于控制无争用访问的数据帧中传输的争用控制字段的csma通信 - Google Patents
具有用于控制无争用访问的数据帧中传输的争用控制字段的csma通信 Download PDFInfo
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- CN100428705C CN100428705C CNB011240164A CN01124016A CN100428705C CN 100428705 C CN100428705 C CN 100428705C CN B011240164 A CNB011240164 A CN B011240164A CN 01124016 A CN01124016 A CN 01124016A CN 100428705 C CN100428705 C CN 100428705C
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Images
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/42—Loop networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40143—Bus networks involving priority mechanisms
- H04L12/40156—Bus networks involving priority mechanisms by using dedicated slots associated with a priority level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/407—Bus networks with decentralised control
- H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection (CSMA-CD)
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/13—Flow control; Congestion control in a LAN segment, e.g. ring or bus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/24—Traffic characterised by specific attributes, e.g. priority or QoS
- H04L47/2425—Traffic characterised by specific attributes, e.g. priority or QoS for supporting services specification, e.g. SLA
- H04L47/2433—Allocation of priorities to traffic types
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2203/00—Indexing scheme relating to line transmission systems
- H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
- H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
- H04B2203/5408—Methods of transmitting or receiving signals via power distribution lines using protocols
Abstract
Description
DT值 | 释义 |
100 | 带有肯定确认(ACK)的帧应答,表明在没有FCS或FEC错误的情况下接收帧(ACK=0b1);带有否定确认(NACK)的帧应答,表明帧通过了地址过滤器,但是含有一个或更多不可改正的FEC错误或收到的FCS不匹配计算的(期待的)FCS(ACK=0b0,FTYPE=0b0);带有失败确认(FAIL)的帧应答,表明帧被接收(有或无错),但是没有接收资源来处理它(ACK=0b0,FTYPE=0b1)。 |
101 | 带有ACK/NACK/FAIL(同上)的帧应答,之后要跟着另一个应答(“期待应答的应答”(RWR))。 |
110 | 发送时保留,接收时丢弃。 |
111 | 发送时保留,接收时丢弃。 |
MTYPE值 | MTYPE值的释义 | 本地使用(主机至MAC) | 前置(prepend)帧/传送给远程使用 | 传送给远程使用 |
0 0000 | 请求信道估计 | X | X | |
0 0001 | 信道估计应答 | X | X | |
0 0010 | 设置局部参数 | X | ||
0 0011 | 替换网桥地址 | X | X | |
0 0100 | 设置网络加密密钥 | X | X | X |
00101 | 带应答的多点传送 | X | X | |
0 0110 | 设置连接 | X | ||
0 0111 | 使用连接 | X | ||
0 1000 | 请求参数和统计数字 | X | X | X |
0 1001 | 参数和统计数字应答 | X | X | X |
0 1010 | 请求连接信息 | X | X | |
0 1011 | 连接信息应答 | X | X | |
0 1100 | 伪帧 | X | X | |
0 1101 | 级连 | X | ||
-1 1111 | 发送时保留MTYPE,接收时丢弃整个层管理帧 |
信道访问优先级 | P<sub>0</sub>状态 | P<sub>1</sub>状态 |
CA3 | 1 | 1 |
CA2 | 1 | 0 |
CA1 | 0 | 1 |
CA0 | 0 | 0 |
接收到的帧控制定界符类型 | 新的VCS定时器值 | 新的VPF值 |
具有预期应答的帧的开始 | 帧长度×SymbolTime+EFG+DelimiterTime+CIFS | 1 |
没有预期应答的帧的开始 | 帧长度×SymbolTime+EFG+DelimiterTime+RIFS+DelimiterTime+CIFS | 1 |
没有预期应答的帧的结尾 | CIFS | 1 |
具有预期应答的帧的结尾 | RIFS+DelimiterTime+CIFS | 1 |
任意类型的帧的应答 | CIFS | 1 |
比排队用于传输的帧大的优先级决定码元 | EIFS | 0 |
用于具有坏CRC的帧的保留帧类型 | EIFS | 0 |
具有坏CRC的帧控制 | EIFS | 0 |
具有保留值的帧长度字段的开始 | EIFS | 0 |
Claims (21)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/632,303 US7352770B1 (en) | 2000-08-04 | 2000-08-04 | Media access control protocol with priority and contention-free intervals |
US09/632,303 | 2000-08-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1338842A CN1338842A (zh) | 2002-03-06 |
CN100428705C true CN100428705C (zh) | 2008-10-22 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB011240164A Expired - Fee Related CN100428705C (zh) | 2000-08-04 | 2001-08-06 | 具有用于控制无争用访问的数据帧中传输的争用控制字段的csma通信 |
Country Status (11)
Country | Link |
---|---|
US (2) | US7352770B1 (zh) |
EP (1) | EP1179919B8 (zh) |
JP (1) | JP4834253B2 (zh) |
KR (1) | KR100748202B1 (zh) |
CN (1) | CN100428705C (zh) |
AT (1) | ATE476034T1 (zh) |
AU (1) | AU784918B2 (zh) |
BR (1) | BRPI0103970B1 (zh) |
CA (1) | CA2354631C (zh) |
DE (1) | DE60142668D1 (zh) |
MX (1) | MXPA01007881A (zh) |
Cited By (1)
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US20080175265A1 (en) | 2008-07-24 |
KR100748202B1 (ko) | 2007-08-10 |
AU784918B2 (en) | 2006-07-27 |
DE60142668D1 (de) | 2010-09-09 |
MXPA01007881A (es) | 2003-08-20 |
BRPI0103970B1 (pt) | 2015-07-21 |
EP1179919B8 (en) | 2010-10-06 |
EP1179919A3 (en) | 2004-11-17 |
EP1179919A2 (en) | 2002-02-13 |
US7352770B1 (en) | 2008-04-01 |
ATE476034T1 (de) | 2010-08-15 |
KR20020012146A (ko) | 2002-02-15 |
CN1338842A (zh) | 2002-03-06 |
US7916746B2 (en) | 2011-03-29 |
EP1179919B1 (en) | 2010-07-28 |
JP4834253B2 (ja) | 2011-12-14 |
CA2354631A1 (en) | 2002-02-04 |
CA2354631C (en) | 2017-04-11 |
JP2002185473A (ja) | 2002-06-28 |
BR0103970A (pt) | 2002-03-26 |
AU5775701A (en) | 2002-02-07 |
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