CA2285334A1 - Communications module based repeater - Google Patents
Communications module based repeater Download PDFInfo
- Publication number
- CA2285334A1 CA2285334A1 CA002285334A CA2285334A CA2285334A1 CA 2285334 A1 CA2285334 A1 CA 2285334A1 CA 002285334 A CA002285334 A CA 002285334A CA 2285334 A CA2285334 A CA 2285334A CA 2285334 A1 CA2285334 A1 CA 2285334A1
- Authority
- CA
- Canada
- Prior art keywords
- trt
- rcm
- packet
- packets
- repeater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H04L12/40006—Architecture of a communication node
- H04L12/40032—Details regarding a bus interface enhancer
Abstract
A repeater communications module (RCM) (12) that enhances signals in a communications network comprises a processor (12-8) coupled to a communications medium and optionally to a host application ( 10).
The RCM (12) operates in one of two modes: (1) interface or host application controlled, and (2) standalone. In the interface mode, the RCM (12) receives packets from a host application (10), modifies the packets and transmits message packets in accordance with a transmit role table (TRT). In standalone mode, the RCM (12) initiates packets and transmits message packets in accordance with the TRT. All RCMs can be configured to repeat message packets which are received from the communications medium in accordance with a repeater role table (RRT). The RCM (12) includes a memory that stores the TRT and RRT. The TRT comprises a plurality of entries, and each entry comprises a destination house code, a destination device address, and a transmit repeater role identifier (TRRI). The processor (12-8) is programmed to compare a first field within a packet to the destination house codes in the TRT, and to compare a second field within the packet to the destination device addresses in the TRT, and to copy the TRRI corresponding to the TRT entry having a matching destination house code and destination device address to an RRI field in the packet, and then to transmit the packet onto the communications medium. The message packet will either be received and re-transmitted by a repeater (12) or received directly by the destination device (14).
The RCM (12) operates in one of two modes: (1) interface or host application controlled, and (2) standalone. In the interface mode, the RCM (12) receives packets from a host application (10), modifies the packets and transmits message packets in accordance with a transmit role table (TRT). In standalone mode, the RCM (12) initiates packets and transmits message packets in accordance with the TRT. All RCMs can be configured to repeat message packets which are received from the communications medium in accordance with a repeater role table (RRT). The RCM (12) includes a memory that stores the TRT and RRT. The TRT comprises a plurality of entries, and each entry comprises a destination house code, a destination device address, and a transmit repeater role identifier (TRRI). The processor (12-8) is programmed to compare a first field within a packet to the destination house codes in the TRT, and to compare a second field within the packet to the destination device addresses in the TRT, and to copy the TRRI corresponding to the TRT entry having a matching destination house code and destination device address to an RRI field in the packet, and then to transmit the packet onto the communications medium. The message packet will either be received and re-transmitted by a repeater (12) or received directly by the destination device (14).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/828,539 US5978371A (en) | 1997-03-31 | 1997-03-31 | Communications module base repeater |
US08/828,539 | 1997-03-31 | ||
PCT/US1998/005949 WO1998048536A2 (en) | 1997-03-31 | 1998-03-26 | Communications module based repeater |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2285334A1 true CA2285334A1 (en) | 1998-10-29 |
CA2285334C CA2285334C (en) | 2005-11-22 |
Family
ID=25252103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002285334A Expired - Lifetime CA2285334C (en) | 1997-03-31 | 1998-03-26 | Communications module based repeater |
Country Status (4)
Country | Link |
---|---|
US (1) | US5978371A (en) |
AU (1) | AU6586398A (en) |
CA (1) | CA2285334C (en) |
WO (1) | WO1998048536A2 (en) |
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-
1997
- 1997-03-31 US US08/828,539 patent/US5978371A/en not_active Expired - Lifetime
-
1998
- 1998-03-26 WO PCT/US1998/005949 patent/WO1998048536A2/en active Application Filing
- 1998-03-26 AU AU65863/98A patent/AU6586398A/en not_active Abandoned
- 1998-03-26 CA CA002285334A patent/CA2285334C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
WO1998048536A3 (en) | 1999-01-21 |
WO1998048536A2 (en) | 1998-10-29 |
CA2285334C (en) | 2005-11-22 |
US5978371A (en) | 1999-11-02 |
AU6586398A (en) | 1998-11-13 |
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