Device for controlling the sensitivity of side channels in the radios


(57) Abstract:


Same patents:

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: cellular code-division radio communication systems using variable-speed voice coders.

SUBSTANCE: proposed method for evaluating data transfer speed includes suggestion of m hypotheses on data transfer speed for each data frame received and generation of k data metrics for each of them. Relationship between truth estimate of each hypothesis and aggregate values of respective data quality metrics is specified for generating truth estimates of each hypothesis and value of this relationship is found for data quality metrics obtained for frame received. Data quality is checked and decision is shaped on adopted speed and quality of received-frame decoded data.

EFFECT: enhanced precision of evaluating data transfer speed in forward and backward communication channels and data frames received with errors.

14 cl, 1 dwg

FIELD: radio communications engineering.

SUBSTANCE: proposed device has information signal source, threshold unit, pulse shaper, AND gate, differentiating unit, radio station transmitter and receiver.

EFFECT: enhanced checkup precision.

1 cl, 2 dwg

FIELD: automated control and diagnostics systems.

SUBSTANCE: first variant of complex includes control computer, mating block, commutator, local data exchange main, tests forming block, logical analyzer, signature analyzer, synchronization block, digital oscillographs block, special form signals programmed generators block, programmed power-sources block. Second variant of complex additionally includes block for forming high-frequency test signals and block for measuring high-frequency signals.

EFFECT: broader functional capabilities, higher efficiency, higher reliability.

2 cl, 2 dwg

FIELD: communications.

SUBSTANCE: communication system has decoder and testing system for sending test data to decoder. Test data include signaling data field, sent via traffic channel, and speech signal parameters, encoded via channel encoding, are formed in form of frames by testing device and sent to decoder for decoding. Decoder extracts at lest a portion of signaling data field, sent along traffic channel, from decoded test data and sends at least a portion of signaling data, sent via traffic channel, back to testing device. Efficiency of decoding is measured by comparison of sent field of signaling data, sent along traffic channel, and signaling data field, sent along traffic channel, received in testing device.

EFFECT: higher quality, higher efficiency.

3 cl, 6 dwg

FIELD: communications engineering.

SUBSTANCE: method includes configuring a receiver with possible waiting for receipt of communication channel at full data transfer speed, and signal from transmitter is sent to receiver. Signal is sent via communication channel with data transfer speed, different from full speed of data transfer, and at level of power for receipt at full data transfer speed. As a result receiver can not receiver communication channel at full data transfer speed. In receiver relation of received signal to noise is determined. Value of quality coefficient bit is determined ion basis of certain relation of signal to noise. Determined value of quality coefficient bit is sent to transmitter.

EFFECT: higher efficiency.

3 cl, 3 dwg, 7 tbl

FIELD: measuring equipment.

SUBSTANCE: device additionally features microcontrollers, one of which generates gating pulses, guided into controlled fiber-optic line before test pseudo-random series, and second one, while receiving gating pulses, produces synchronization signals.

EFFECT: simplified construction, higher efficiency, broader functional capabilities.

5 dwg

FIELD: radio engineering.

SUBSTANCE: mobile station supports counter of serial bad frames, C1, and counter of serial good frames, C2. at the beginning of call C1 and C2 are set to zero value. For each received frame mobile station determines, whether the frame is good, bad or empty. If the frame is good, than C1 is dropped to zero value, and C2 is increased by one unit. If the frame is bad, than C1 is increased by one unit, and C2 is dropped to zero value. If received frame is empty, than C1 and C2 stay unchanged. When C1 reaches threshold value, T1, mobile station blocks its transmitter. Accordingly, if C2 reaches threshold value, T2, then mobile station activates its transmitter again.

EFFECT: higher efficiency.

3 cl, 3 dwg

FIELD: mobile telecommunication systems.

SUBSTANCE: system has decoder and testing device, for sending test data to decoder. Test data, containing signaling data in format of signaling frames are generated, and test data are shown in two serial frames and sent from testing device to decoder for decoding. Signaling data are decoded from received two frames of test data and sent back to testing device being encoded as one frame. Working parameters of decoding are determined by comparing sent data of signaling and received data of signaling in testing device.

EFFECT: higher efficiency.

3 cl, 6 dwg, 1 tbl

FIELD: radio engineering.

SUBSTANCE: method includes determining required values of energy parameters for each client station, predicting value of parameters, distributing temporal-frequency resource between client stations.

EFFECT: higher efficiency of use of temporal-frequency resource, decreased energy consumption during transmission of data.

9 cl, 3 dwg