Device for controlling transmission channels
(57) Abstract:The invention relates to telecommunications, and in particular to devices continuously check the health of the primary channels of the communication network. The proposed device has mounted on opposite ends of the transmission channels master and slave sets, each of which has a switching field, the control unit and the device automatically check transmission channels. The aim of the invention is to expand the functional capabilities of the device, consisting in the implementation of cyclic automatic search of available transmission channels, verification and registration of their status while notifying users about disabling the channel during the test. The new device is included in the membership of each kit on the block register and the sensor signals "Channel control". In addition, the composition of the leading kit introduced integrators, logic gates OR NOT, the determinant of the status of the transmission channels and the transceiver control commands, and the slave set - unit receiving control commands and transmit a response message with the appropriate circuit connection elements between airway transmission channels and the reduction of unproductive expenditure of working time officials of the duty shift. 1 Il. The invention relates to telecommunications, and in particular to devices for continuous test channels of the primary network connection.A device for the connection of measuring devices to the communication path  , containing two wire plug and two amplifiers through which the audited section of the communication channel are connected measuring devices. The disadvantages of this device are manual methods work when connecting and disconnecting the measuring instruments to check the channel, and the resulting large amount of the total time and effort in the control of transmission channels.It is also known a device for continuous monitoring of the quality of telephone channels communication distance  contains an automatic meter Central station and block the execution of commands that are installed on the slave station. In automatic meter Central station includes a switching unit, a control unit containing the distributor and integrator, generator unit, the unit receivers and recording unit. The module execution control commands includes channel switching kits, highly selective receiver control signals, l is used obsolete to the present time, a method of control through education of the train; 2) cyclic connection of integrators busy channels creates a significant level of additional noise; 3) users who have disconnected during the test channel, does not informed about this, the consequences of which are additional steps staff to clarify the reasons for the failure of communication and increasing the load on the network intercom.The closest to the technical nature of the claimed device is selected as a prototype device for controlling transmission channels  , which contains the master and slave units, installed on opposite ends of the transmission channels. The composition of each kit includes the instrument automatically checks channels, switching field, the control unit of the switching field, the incoming line kits, electronic switch, the driver control commands, the decoder control commands, logical scheme "OR". In addition, as part of the master kit includes remote control, and in the slave set - two delay elements.The principle of the device of the prototype is that the command input from a remote control on the master kit is disconnected from the user's relevant is the conclusion to the device automatic checks. Thanks to the exchange of commands (signals) control between the master and the slave sets provided automatically agreed connecting both the end of the selected channel to the instrument automatically checks channels master and slave sets. Similarly implemented and disables the channel from devices automatically check and connect it to the connecting lines of the users.The main drawbacks of the prototype it is necessary to note the limitations of its functionality. So, with its help are connecting to devices automatically check for and disable them from a specific channel only for individual use, i.e., when entering from the control panel of a particular room can be scanned channel, and the channel is taken to check regardless of whether that is free or occupied by the transmission of operational information. In practice, in most cases, it is necessary to conduct continuous cyclic test it free transmission channels with their registration status. In addition, users who have disabled the channel to check, no way informed about the reason for the absence of the expenses of the working time of the operators on duty to clarify the reasons for the lack of channel and additional load on the network intercom.The aim of the invention is to expand the functional capabilities of the device to control transmission channels, consisting in providing a cyclic automatic search of available transmission channels and checking their status with the registration of test results while notifying users about the disabling of the channel at the time of his inspection.This goal is achieved by the fact that the device on both ends of the transmission channels in master and slave sets - entered the recording unit and the sensor signals "Channel check". In addition, the composition of the leading kit introduced integrators, logic elements OR NOT and the determinant condition of the transmission channels, and the slave set introduced highly selective receivers commands control unit receiving control commands and transmit response messages. With appropriate circuit connections between all the constituent elements of the device.Comparative analysis of the prototype shows that the inventive device is characterized by the presence of additional elements when appropriate new circuit solution. Thus, the proposed device complies with the criteria of the invention of "Novelty."The essence of the proposed invention represented by the structural diagram shown in the drawing. The structure of the device includes a lead 1 and the slave 2 sets. Each set includes a switching box 3, block 4 control unit 5 automatically check transmission channels, block 6 registration sensor 7 signals "Channel check". In addition, the composition of the host kit 1 includes integrators 8, logic gates "OR NOT" 9, electronic switchboard is set 2 includes highly selective receivers 13 control commands, unit 14 receiving control commands and the transmitter 15 response messages.Switching box 3 each set has a channel entrances, station outputs and one control input.Unit 4 master control set has a first, second and third inputs, the first and second outputs. The control unit 4 of the slave set has first and second inputs, first and second outputs.The device 5 automatically check transmission channels in each device package has one channel whodo-output, the first and second information outputs.Unit 6 registration each set has first and second inputs.The sensor 7 signals "Channel check" each set has one output.Each integrator 8 has one input and one output.Each logical element OR NOT 9 has two inputs and one output.The electronic switch 10 has operational inputs by the number of logical elements OR NOT, one trigger input, one stop input and one output.The determinant of 11 state of the transmission channel has one input and first and second outputs.The transceiver 12 of the control commands has one Kan is to 13 control commands has one input and one output.Unit 14 receiving commands has operational inputs by the number of highly selective receivers 13 control commands and one output.The transmitter 15 response message has one control input and one output channel.Component parts of the inventive device are interconnected as follows.On each set to the channel inputs of the switching field 3 is connected to the opposite end of the channels 16 of the transmission and to the station outputs - connecting line 17 from users; one of the channel inputs of the switching field 3 is connected to the output of the sensor 7 signals "Channel check", and one of the station outputs of the connected channel input device 5 auto scan channels. The first information output device 5 automatically check transmission channels connected to the first input unit 6 of the Desk. The first output of the control unit 4 is connected to the control input of switching fields 3.In addition, the master set 1 to the receiving and transmitting pairs of end of transmission channels 16 are connected to the inputs of the integrators 8, the outputs of which are pairwise related to the same channel, connected to the inputs of logic elements And is of mutator 10 is connected to the input of the identifier 11 state of transmission channels, the first output of which is connected to the first input of the control unit 4 and to the second input unit 6 of the Desk, and the second output is connected to stopvaw the input of the electronic switch 10. One of the station outputs the switching field 3 connected channel input of the transceiver 12 of the control commands, the control input of which is connected to the second output control unit 4, and an information output terminal connected to the third input of the control unit 4. The second information output device 5 automatically check transmission channels connected to the second input of the control unit 4 and to the trigger input of the electronic switch 10.The slave set 2 to the receiving pairs 16 channels of transmission are connected to the inputs of highly selective receivers 13 control commands, the outputs are connected to respective inputs of the unit 14 receiving commands, the output of which is connected to the first input of the control unit 4 and to the second input unit 6 of the Desk. The second output of the control unit 4 is connected to the control input of the transmitter 15 response message, the channel, the output of which is connected to one of the station outputs the switching field 3. The second output device 5 automatic channel test transmission is edusim way.In the initial state, all the transmission channels 16 through vnutriplitnykh connection in the switching fields 3 host 1 and slave 2 sets connected to the connecting lines 17 of the respective users.The integrators 8 host kit 1 monitor the levels of the transmitted and received signals on the respective channels 16 of the transmission. Included in the work of the electronic switch 10 is continuously sequentially cycle connects for a short time, the outputs of the elements OR NOT 9 to the input of the identifier 11 state of the transmission channels.Highly selective receivers 13 control commands to the slave set 2 track on their respective channels 16 of the transfer receipt from the master kit 1 control commands.At least in one direction of transmission or reception - working level signal, which is an indicator of transmission (reception) working data at the output of the corresponding logic element OR NOT 9 there is no output signal.If both directions of transmission of any channel the actual signal level is below a certain value, the channel is fixed as free, i.e. unemployed in this PTO is his kit 1 appears appropriate potential.Once detected to be free, i.e. not occupied by the transmission of operational information transmission channel, the determinant of 11 state of the transmission channel signal from its first output reports the channel number in the control unit 4 and unit 6 of the Desk, and the signal from the second output in the stop input of the electronic switch 10 team on a temporary cessation of work. Received a message about the number of free channel 16 of the transmission unit 4 on the master control kit 1 shows the switching field 3 the following commands: 1) to disable this channel from the connection line of the user and connect it to the channel input of the transceiver 12 of the control commands; 2) to connect the vacant connectors user to the channel input connected to the sensor 7 signals "Channel check"; 3) a control command to the transceiver 12 of the control commands. As a result of running these commands from sensors 7 signals "Channel check" will receive the appropriate signals to users who have disabled the transmission channel, informing them of the reason for the absence of the channel, and the slave set on the transmit pair is disconnected from the users of the transmission channel will flow SF">The slave set of highly selective receiver 13 control commands, connected to the receiving pair of the channel, which receives the command to perform its checks, accepting this command, transmits it via the appropriate input on the unit 14 receiving commands. From the output of block 14 information about the channel number on which the adopted management team, is supplied to the control unit 4 and unit 6 of the Desk. The control unit 4 on the basis of the received information about the number to be verified channel generates and transmits the appropriate commands in the switching field 3 and the transmitter 15 response messages. According to the control command received in the switching field 3, the corresponding transmission channel is disconnected from the connecting line of the user and connected to transmit a response message to the output of the transmitter 15 responses; to make the connecting line from the user connects the sensor 7 signals "Channel check". The transmitter 15 response message upon receiving the control command issuing in the connected transmission channel message about ready to start the test channel, then switching box 3 transmission channel is disconnected from the plumage is of Adachi.The transceiver 12 teams on the master control set 1, after receiving the notification of the readiness of the slave set 2 start monitoring channel, emits a corresponding signal to the control unit 4 on the basis of which the control unit 4 generates and transmits to the switching field 3 team off their end of the transmission channel to be verified from the output of transceiver 12 control commands and connecting it to the station output connected to the channel input of the device 5 automatically check transmission channels.As a result of performing all these steps, both the end of Unallocated transmission of operational information of the transmission channel 16 will be consistently connected to an interactive devices 5 auto scan channels to users in return is disconnected from the transmission channel will be connected to the outputs of the sensors 7 signals "Channel check".At the end of the session checks channel 16 transfer test results from the first outputs of both devices 5 automatic verification of transmission channels are received at the first inputs of the respective blocks 6 registration on which the registration (map) test results the quality of the channel to one of the blocks 6 register from the output of the determinant of 11 state of the transmission channels on the master set 1 and from the output unit 14 receiving commands from the slave set 2. In addition, signals the end of a scanning session from the second outputs of the devices 5 automatic verification of transmission channels are received at the second inputs of the blocks 4 of the control of both sets and starts the input of the electronic switch 10 of the master kit. According to these signals, the control blocks of 4 both sets of form and transmit the switching field 3 control command, which restores the initial connection, i.e. are disabling transmission channel from devices 5 auto scan, and the connecting lines from the sensors 7 signals "Channel check", and connect the end of the transmission channel with connecting lines. The review cycle is complete.On the master kit 1 on a signal received from the second device output 5 automatic channel test transmission to the triggering input of the electronic switch 10 will continue to alternate the connection of the outputs of the elements OR NOT 9 to the input of the identifier 11 state of the transmission channels. This condition will continue until, until it finds the next available transmission channel, then exactly repeat the above process switching and verification.As follows from izlojennomu transmission, check their status with notification of verification is carried out, and recording of test results with the number of scanned channels.Thus the goal of the invention is to expand the functional capabilities of the device on the basis of the cyclic mode automatic search for unoccupied channels of transmission, validation and registration of their condition, and notify users about the channel loss at the time of its validation has been achieved.The advantage of the proposed device is a simple design that facilitate wide use for various automated control systems of communication. While the detection time free channels and consistent switching them both endings will be based on the progress to date of the development level of automation, fractions of seconds, whereas when you manually perform these operations full time shift channels is measured in tens of seconds or even minutes.Therefore, the use of this device allows more than two orders of magnitude to reduce the total time to perform the required switching status check of all Svobodnaya transmission channels.In addition, run automatically search for available channels for subsequent verification is characterized by significantly lower operating costs compared to obtaining funds to complete this procedure of the operators on duty, and automatically provide notification of the reason for the lack of channel will substantially reduce unproductive use of time officers duty shift and the load on the network intercom.Thus, technical and economic effect, provided the proposed device is to increase the accuracy of the information on the state of the controlled transmission channels and the reduction of unproductive expenditure of working time officials of the duty shift, and, as a result in the increase of efficiency of functioning of communication systems in General.The sources of information.1. A. S. USSR N 1252951, H 04 B 3/46, 1986, BI N 31;
2. A. S. USSR N 265961, H 04 M 3/22, 1970, BI N 11;
3. RF patent N 2071177, H 04 B 3/46, 1996, BI N 36; Device for controlling transmission channels containing the master and slave units, installed on opposite ends of the transmission channels, each of which contains the electe the end of the transmission channels connected to the channel inputs of the switching field, one of the station outputs of which are connected channel input device automatic verification of transmission channels, and to the rest of the station outputs connected to the connection line from the user connection, the first output control unit connected to the control input of the switching field, the composition of the slave set includes the highly selective receivers control commands connected by their inputs to the receiving pairs of transmission channels, and the transmitter response message, the input of which is connected to the second output of the control unit, and the output is connected to one of the station outputs of the switching field, characterized in that the composition of the leading kit entered the registration unit, the sensor signals "Channel check", integrators, logic elements, OR IS NOT, an electronic switch and a determinant of the status of the transmission channels, the first output of the device automatically checks channels connected to the first input of the recording unit, the second output device automatically checks channels connected to the second input of the control unit and to the trigger input of the electronic switch, the output of the sensor signals "Channel check" connected to one of the channel inputs of the switching field, the inputs of interest is not belonging to the same transmission channel, connected to the inputs of the respective logic elements OR NOT the outputs are connected to respective inputs of an electronic switch, the output of which is connected to the input of the determinant of the status of transmission channels, the first output of which is connected to the first input of the control unit and to the second input of the recording unit, and a second output connected to stopvaw the input of the electronic switch, channel transceiver control commands connected to one of the station outputs of the switching field, the control input of the transceiver control commands is connected to the second output of the control unit, the information output of the transceiver control commands is connected to the third input of the control unit, included in the same slave kit entered the registration unit, the sensor signals "Channel check" and the unit receiving control commands, while to the first input of the recording unit connected to the first output of the device automatically check transmission channels, the second output of which is connected to the second input of the control unit, the sensor output signals "Channel check" connected to one of the channel inputs of the switching field, the outputs of the selective receiver control commands is connected to the outlet and to the second input of the recording unit.
FIELD: radio communications.
SUBSTANCE: pulse noise is detected upon conversion of signal received into intermediate frequency, noise active time is determined, information signal is disconnected from amplifier incorporated in superheterodyne receiver, noise-affected part of information signal is recovered by eliminating simulator signals during extrapolation, and superheterodyne receiver is checked for serviceability at intermediate frequency.
EFFECT: enhanced precision of superheterodyne receiver serviceability check.
1 cl, 1 dwg
FIELD: radio engineering; diagnostics and repairs of radio equipment.
SUBSTANCE: proposed method includes recording of current criteria of radio and video communication channel conditions, their comparison with desired reference values, elimination of faults detected, and check tests for signals in electric and low-current circuits, replacement of faulty electric and low-current harnesses, units, and assemblies, checkup for signals in circuits of automatic-control, measuring, and recording system and checking-and-recording equipment, and checkup of circuits for normal functioning, whereupon pieces of equipment are subjected to accelerated aging by thermal and mechanical impacts.
EFFECT: enlarged functional capabilities and enhanced reliability of condition inspections.
FIELD: instrumentation engineering; serviceability check of multichannel communication systems.
SUBSTANCE: proposed equipment includes personal computer, multiplexing switch, circuit checkup unit, control unit, multichannel comparison unit, virtual standard, switching unit, output signal shaper, multiplexer, and normalizing unit that has voltage meter and circuit meter.
EFFECT: enlarged functional capabilities of device.
3 cl, 1 dwg
FIELD: multi-channel communication systems.
SUBSTANCE: equipment has comparison block, virtual standard, input and output signal generators, commutator, voltage meter, circuit measuring means and control block.
EFFECT: broader functional capabilities.
2 cl, 1 dwg
FIELD: amplitude-frequency characteristics of quadripoles.
SUBSTANCE: control of quadripole is realized in two stages. At first stage, estimation stage, N counts of measurements results are received during length T of one signal period, and on second stage, analysis stage, during time T received signal estimation results are recognized with determining of class of technical state of object (like breakdown). To realize first stage of control, to present clock pulse generator, first counter, delay element, first register, first AND element, adder, additionally inserted are two keys, two analog-digital converters, second register and operative memory block for estimation results, to realize second control stage additionally to first and second comparison block, indication block, inserted are breakdowns signs memory block, breakdown counters and commutator, and for controlling control stages to present launch element, first counter, second AND element, key element is additionally inserted.
EFFECT: higher speed of operation.
FIELD: radio engineering; serviceability check of communication systems.
SUBSTANCE: proposed method is characterized in that serviceability of communication systems in frequency-adaptive range is evaluated by checking system response to noise situation simulated at its input and its comparison with desired value. To this end time required for tuning to optimal frequency is measured and compared with desired value, and also number of errors is counted and compared with that admissible.
EFFECT: enhanced reliability of estimating serviceability of communication system in frequency-adaptive range.
1 cl, 1 dwg
FIELD: systems for determining amount of available data transfer resources.
SUBSTANCE: for determining amount of resources for data transfer and/or speeds of bits transfer for network connection, with known physical length of cable, measurement of energy spectrum is performed depending on transmission frequency for different types of modems by means of power measuring device, weakening is determined for different physical lengths and thicknesses of cable wires, depending on parameter of cross interference, number of sources and correcting coefficient on bass of energetic spectrum noise level is determined, while by means of gauss transformer module on basis of efficient signal levels and appropriate noise levels amount of data transfer resource is determined for different data transfer modulations and/or modulating codes for predetermined bit transfer speed, then available data transfer resource amount is corrected by means of correcting coefficient, including average deviation of stored amounts of data transfer resources from efficiency amounts of resources of data transfer, and on basis of stored efficient recourses for data transfer with utilization of known physical length of determined network connection available data transfer resource for appropriate network connection is determined.
EFFECT: possible determining of amount of available data transfer resources for certain connection.
3 cl, 4 dwg
FIELD: control technologies in packet telecommunication networks and data transfer networks.
SUBSTANCE: method is based on shortening down to minimal separate list (INS) of number of clients subject to control due to maximal statistical relations of data exchange inside network node in comparison to number of analogical network nodes in whole network, and also maximal productiveness of network node and during control input data packets are compared only in portion of address of incoming data packets with minimal separate list of number of clients subject to control, while received minimal separate list of number frequency clients subject to control is used for verification of each passing data packet.
EFFECT: decreased work amount of processor providing control over communication participants, while main problem is large number of relatively short data packets, which is necessary to compare to full, related to whole network, list of client inputs subject for control, and productiveness of computing devices connected thereto, which is necessary in each node for realization of this problem.
4 cl, 2 dwg
FIELD: method and device for measuring quality of signal shape.
SUBSTANCE: real signal, representing shape of signal, divided on separate channels by time and codes, is produced, for example, by means of standard communication system for high speed data transfer. Controlling-measuring equipment produces ideal signal shape, matching real signal shape. This equipment produces estimate of shifts between parameters of real signal shape and ideal signal shape, then performs estimation of different measurements of quality of signal shape using quality measurements of compensated real shape of signal. Examples of processing real signal shape and appropriate ideal signal shape by means of controlling-measuring equipment are given. Provided method and devices can be utilized with any shape of signal, separated on channels by time and codes, not depending on equipment, which produces signal shape.
EFFECT: increased precision of measurement of signals shape quality, which are separated on channels in temporal area and code area.
3 cl, 3 dwg
FIELD: communications engineering, possible use for classification of connections.
SUBSTANCE: in method and device by means of computing block one or several distance coefficients are determined, while distance coefficients show efficient length of network connection depending on distance by air. On basis of known data about network connections, distribution coefficient of weak portions is determined, showing mutual relation to each other of weaker portions of network connection. Data transfer resource is determined to determine maximal for data transfer capacity for different types of modems. On basis of efficient length of network connection, weaker portions distribution coefficient and data transfer resources by means of computing block classification is performed (of subject network connection in accordance to its maximal data transfer capacity).
EFFECT: possible quick and flexible determining of service quality parameters.
3 cl, 9 dwg