SU936446A1 - Method of radio communication with movable objects - Google Patents

Method of radio communication with movable objects Download PDF

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Publication number
SU936446A1
SU936446A1 SU792778906A SU2778906A SU936446A1 SU 936446 A1 SU936446 A1 SU 936446A1 SU 792778906 A SU792778906 A SU 792778906A SU 2778906 A SU2778906 A SU 2778906A SU 936446 A1 SU936446 A1 SU 936446A1
Authority
SU
USSR - Soviet Union
Prior art keywords
radio communication
movable objects
telephone signal
reception
spatially separated
Prior art date
Application number
SU792778906A
Other languages
Russian (ru)
Inventor
Вячеслав Илларионович Панасенко
Алексей Иванович Наумов
Михаил Никитич Носов
Сергей Павлович Кузнецов
Original Assignee
Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им. Ленинского Комсомола
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Application filed by Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им. Ленинского Комсомола filed Critical Рижский Краснознаменный Институт Инженеров Гражданской Авиации Им. Ленинского Комсомола
Priority to SU792778906A priority Critical patent/SU936446A1/en
Application granted granted Critical
Publication of SU936446A1 publication Critical patent/SU936446A1/en

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Description

Шобретение относитс  к электросв зи и может использоватьс  дл  обеспе чени  устойчивой и радиосв  зи с подвижными объектами на базе су ществующих в гражданской авиации радиосредств . Известен способ радиосв зи, с подвижными объектами, включающий формирование телефонного сигнала, разнесение его по М пространственно-разнесенным каналам, однополосную модуЛЯ1ЩЮ VI несущих, излучение М пространственно-разнесенных модулированны сигналов и прием их подвижными объек тами Однако такой способ пригоден лишь дл  тех случаев, когда коэффициент запретного отношени  в зоне приема, характеризуемый необходимым минимальным отношением напр женности пол  принимаемой станции к напр женности пол  мешающей станции становит с  много больше единицы. Цель изобретени  - повышение достоверности св зи в асинхронном режиме путем исключени  биений на приеме . Поставленна  цель достигаетс  тем, что в способе радиосв зи с подвижными объектами, включающем формирование телефонного сигнала, разнесение его по W пространственно-разнесенным кан.ал(тм, однополосную модул цию KJ несущих, излучение Ы пространственно-раз несенных модулированных сигналов и прием их подвижными объектами , после формировани  телефонно- го сигнала формируют копии телефонного сигнала, сдвинутые на заданное врем  групповой задержки относительно основного телефонного сигнала. На чертеже дана структурно-электрическа  схема устройства, реализующего предложенный способ. Устройство содержит формирователь 1 телефонного сигнала, блоки 2 задержки , радиостанции 3, приемный блок 4 подвижных объектов.The invention relates to telecommunications and can be used to provide stable and radio communications with mobile objects based on existing radio equipment in civil aviation. There is a method of radio communication with moving objects, which includes the formation of a telephone signal, its separation along M spatially separated channels, a single-band VI carrier, the emission M of spatially separated modulated signals and their reception by moving objects However, this method is suitable only for those cases when the ratio of the forbidden ratio in the reception area, characterized by the required minimum ratio of the field strength of the receiving station to the intensity of the field of the interfering station becomes oh more than one. The purpose of the invention is to increase the reliability of communication in asynchronous mode by eliminating beats at the reception. The goal is achieved by the fact that in the method of radio communication with mobile objects, including the formation of a telephone signal, it is separated by W spatially separated channel (TM, single-band modulation of KJ carriers, emission of spatially separated modulated signals and their reception by mobile objects, after forming a telephone signal, they form copies of a telephone signal that are shifted by a specified group delay time relative to the main telephone signal. ma device implementing the proposed method. The device 1 comprises a telephone signal generator, the delay units 2, the radio station 3, the receiver unit 4 moving objects.

В предпоженном способе задержки в низкочастотном тракте подачи телефонного сигнала на соответству1ащее врем  Д Т 5-20 мкс в каждый тракт модул ции используетс  как положительное  вление, привод щее к повьпое- нию качества принимаемой информации, особенно при малых отношени х сигнал/шум ( 6-10 дб) в точке приема . При работе квазисинхронной сети на передачу достигаетс  повышение устойчивости св зи за счет взаимоперекрыти  полей передатчиков.In the pre-delayed method, in the low-frequency path of the telephone signal supply for the corresponding time D T 5–20 µs in each modulation path is used as a positive phenomenon, which leads to a change in the quality of the received information, especially at low signal-to-noise ratios (6 10 db) at the receiving point. By operating a quasi-synchronous network for transmission, an increase in communication stability is achieved due to the overlap of the transmitter fields.

Claims (1)

1. Электросв зь. 1971, № 7, с. 1-23 (прототип).1. Electric communication. 1971, No. 7, p. 1-23 (prototype).
SU792778906A 1979-06-07 1979-06-07 Method of radio communication with movable objects SU936446A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792778906A SU936446A1 (en) 1979-06-07 1979-06-07 Method of radio communication with movable objects

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792778906A SU936446A1 (en) 1979-06-07 1979-06-07 Method of radio communication with movable objects

Publications (1)

Publication Number Publication Date
SU936446A1 true SU936446A1 (en) 1982-06-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU792778906A SU936446A1 (en) 1979-06-07 1979-06-07 Method of radio communication with movable objects

Country Status (1)

Country Link
SU (1) SU936446A1 (en)

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