Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
217 words
A system for supervision and control of a point-to-multipoint access network, said system comprising means for connecting a line terminal (10 1 ) to a plurality of network terminations (30), each of said network terminations (30) comprising resource means (31) for detecting transmission errors introduced during a transmission between said line terminal (10 1 ) and said network terminations (30) and for generating an error word (m) which is representative of each of said detected errors, processing resource means (33) for processing the error words generated by said detection resource means (31) and for forming messages (Md, Me) associated with said error word (m), transmission resource means (35) for transmitting said messages (Md, Me) to said line terminal (10 1 ) which then determine line errors, simulation facilities (38) for generating simulated error words (ms) and means (32) for replacing said error word (m) by said simulated error words (ms) generated by said simulation facilities (38), said processing resource means (33) forming the messages (Md, Me) on a basis of said simulated error words (ms) which are transmitted to said line terminal (10 1 ) by transmission means (35), said line terminal (10 1 ) determining whether or not the processing means (33) are or are not working correctly responsive to reception of said messages (Md, Me).
Claim 2
Independent Claim
217 words
A system for supervision and control of a point-to-multipoint access network, said system comprising means for connecting a line terminal (10 1 ) to a plurality of network terminations (30), each of said network terminations (30) comprising resource means (31) for detecting transmission errors introduced during a transmission between said line terminal (10 1 ) and said network terminations (30) and for generating an error word (m) which is representative of each of said detected errors, processing resource means (33) for processing the error words generated by said detection resource means (31) and for forming messages (Md, Me) associated with said error word (m), transmission resource means (35) for transmitting said messages (Md, Me) to said line terminal (10 1 ) which then determine line errors, simulation facilities (38) for generating simulated error words (ms) and means (32) for replacing said error word (m) by said simulated error words (ms) generated by said simulation facilities (38), said processing resource means (33) forming the messages (Md, Me) on a basis of said simulated error words (ms) which are transmitted to said line terminal (10 1 ) by transmission means (35), said line terminal (10 1 ) determining whether or not the processing means (33) are or are not working correctly responsive to reception of said messages (Md, Me).
Claim 3
Dependent Claim
39 words
A system for supervision and control in accordance with claim 1 wherein said messages are performance report messages (Me) and are fault messages (Md) determined on a basis of the errors words (m) or the simulated error words (ms).
Claim 4
Independent Claim
57 words
A system for supervision and control in accordance with claims 1 or 2, wherein said line terminals (10 1 ), may transmit a test request message (Mrq), and further wherein said simulation facilities (38) generate said simulated error words (ms) on a basis of a test request message (Mrq) received from the line terminal (10 1 ).
Claim 5
Dependent Claim
87 words
A system for supervision and control in accordance with claim 3 wherein at least one test profile is stored in said line terminal (10 1 ), said test profile being characterized by predetermined error words, predetermined emission times for said error words, and a predetermined duration for a test, said test profile being contained within the test request message (Mrq) being transmitted to said stimulation facilities (38) in order to generate pre-determined simulated words at a predetermined emission time during a predetermined duration respectively characterizing said profile.
Claim 6
Dependent Claim
76 words
A system for supervision and control in accordance with claim 4 further comprising facilities for comparing said fault messages (Md) and the performance messages (Me) issued by network termination (30) with reference messages (Md' and Me') corresponding to said profile of the test that is carried out test that is carried out by said network termination (30), and means for deriving a result from this comparison as to whether or not said system is operating correctly.
Claim 7
Dependent Claim
114 words
A system for supervision and control in accordance with claim 3 wherein at least one test profile is stored in said line terminal (10 1 ), said test profile being characterized by predetermined error words, predetermined emission times for said error words, and a predetermined duration for a test, means for storing said profile at each of said network terminations (30), a profile identifier being contained within a test request message (Mrq) being transmitted from the line terminal (10 1 ) to said stimulation facilities of said network termination in order to generate the predetermined stimulated error words at the predetermined times during a predetermined duration respectively characterizing said profile corresponding to said identifier.
Claim 8
Dependent Claim
71 words
A system for supervision and control in accordance with claim 6 further comprising facilities for comparing said fault messages (Md) and the performance messages (Me) issued by network termination (30) with reference messages (Md' and Me') corresponding to said profile of the test that is carried out by said network termination (30), and means for deriving a result from this comparison as to whether or not said system is operating correctly.
Claim 9
Independent Claim
54 words
A system for supervision and control in accordance with one of the claims 1 or 2 wherein said process resources means (33) processes performance values on a basis of the simulated error words (ms) during a predetermined time period, and generates said message (Me) which is transmitted to said line terminal (10 1 ).
Claim 10
Dependent Claim
59 words
A system for supervision and control in accordance with claim 1 wherein said line terminal (10 1 ), may transmit a test request message (Mrq), said test request message (Mrq) being transmitted to network termination (30) on a down-link management and maintenance channel, while said message (Md) and (Me) is being transmitted via an up-link management and maintenance channel.
Claim 11
Independent Claim
39 words
A system for supervision and control in accordance with one of the claims 1 or 2 wherein the simulation facilities (38) generate simulated error words (ms) after receiving a synchronization code issued by the line terminal (10 1 ).