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RU2002132894A - METHOD AND DEVICE FOR COMPENSATION OF HETERODYNE FREQUENCY ERROR BY CONTROL OF EXTERNAL CONDITIONS - Google Patents

METHOD AND DEVICE FOR COMPENSATION OF HETERODYNE FREQUENCY ERROR BY CONTROL OF EXTERNAL CONDITIONS

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Publication number
RU2002132894A
RU2002132894A RU2002132894/09A RU2002132894A RU2002132894A RU 2002132894 A RU2002132894 A RU 2002132894A RU 2002132894/09 A RU2002132894/09 A RU 2002132894/09A RU 2002132894 A RU2002132894 A RU 2002132894A RU 2002132894 A RU2002132894 A RU 2002132894A
Authority
RU
Russia
Prior art keywords
mode
sensor
frequency error
local oscillator
readings
Prior art date
Application number
RU2002132894/09A
Other languages
Russian (ru)
Other versions
RU2333598C2 (en
Inventor
Кристофер ПАТРИК
Саед Дж. ЮНИС
Original Assignee
Квэлкомм Инкорпорейтед
Priority date (The priority date 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 date listed.)
Filing date
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Priority claimed from US09/567,801 external-priority patent/US6522871B1/en
Application filed by Квэлкомм Инкорпорейтед filed Critical Квэлкомм Инкорпорейтед
Publication of RU2002132894A publication Critical patent/RU2002132894A/en
Application granted granted Critical
Publication of RU2333598C2 publication Critical patent/RU2333598C2/en

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Claims (20)

1. Устройство для компенсации погрешности частоты гетеродина (Г), включающее гетеродин Г, приемник, соединенный с Г, для приема от внешнего источника частоты и вычисления погрешности частоты Г на основе внешнего источника частоты, усилитель мощности (УМ), минимум один датчик для контроля по меньшей мере одной переменной, которая вносит поправку в погрешность частоты Г, и схему определения параметров гетеродина для приема вычисленной погрешности частоты Г и показаний от минимум одного датчика и для контроля активности УМ, в котором схема определения параметров гетеродина создает сигнал компенсации на основе активности УМ, вычисленной погрешности частоты Г и показаний от минимум одного датчика.1. A device for compensating for the frequency error of the local oscillator (G), including the local oscillator G, a receiver connected to G, for receiving from an external frequency source and calculating the frequency error G based on an external frequency source, power amplifier (AM), at least one sensor for monitoring at least one variable that corrects the frequency error G, and a circuit for determining the parameters of the local oscillator to receive the calculated frequency error G and readings from at least one sensor and to control the activity of the PA, in which the circuit edeleniya parameters oscillator generates the compensation signal based on the PA activity, the calculated frequency error and readings from F least one sensor. 2. Устройство по п.1, в котором схема определения параметров гетеродина вычисляет рабочий цикл УМ в первом режиме и управляет активностью УМ в соответствии с вычисленным рабочим циклом УМ во втором режиме.2. The device according to claim 1, in which the circuit for determining the parameters of the local oscillator calculates the duty cycle of the PA in the first mode and controls the activity of the PA in accordance with the calculated duty cycle of the PA in the second mode. 3. Устройство по п.1, в котором схема определения параметров гетеродина, работающая в первом режиме, запоминает в устройстве памяти показания от минимум одного датчика, вычисленный рабочий цикл УМ и вычисленную погрешность частоты Г, и схема определения параметров гетеродина, работающая во втором режиме, формирует сигнал компенсации.3. The device according to claim 1, in which the circuit for determining the parameters of the local oscillator operating in the first mode stores in the memory device the readings from at least one sensor, the calculated duty cycle of the PA and the calculated frequency error G, and the circuit for determining the parameters of the local oscillator operating in the second mode , forms a compensation signal. 4. Устройство по п.3, в котором схема определения параметров гетеродина формирует сигнал компенсации путем сравнения последнего набора показаний от минимум одного датчика с показаниями, хранящимися в устройстве памяти, и формирует сигнал компенсации на основе соответствующей вычисленной погрешности частоты Г, сохраненной в устройстве памяти.4. The device according to claim 3, in which the circuit for determining the parameters of the local oscillator generates a compensation signal by comparing the last set of readings from at least one sensor with the readings stored in the memory device, and generates a compensation signal based on the corresponding calculated error of the frequency G stored in the memory device . 5. Устройство по п.3, в котором схема определения параметров гетеродина во втором режиме приводит в действие УМ в соответствии с вычисленным рабочим циклом УМ.5. The device according to claim 3, in which the circuit for determining the parameters of the local oscillator in the second mode activates the PA in accordance with the calculated duty cycle of the PA. 6. Устройство по п.1, в котором приемник является приемником беспроводной телефонной связи.6. The device according to claim 1, wherein the receiver is a wireless telephone receiver. 7. Устройство по п.6, в котором приемник беспроводной телефонной связи приспособлен для приема сигналов множественного доступа с кодовым разделением каналов (МДКР).7. The device according to claim 6, in which the wireless telephone receiver is adapted for receiving code division multiple access (CDMA) signals. 8. Устройство по п.7, в котором внешним источником частоты является пилот-сигнал МДКР.8. The device according to claim 7, in which the external frequency source is a pilot signal mdcr. 9. Устройство по п.8, в котором схема определения параметров гетеродина, работающая в первом режиме, запоминает в устройстве памяти показания от минимум одного датчика, вычисленный рабочий цикл УМ и вычисленную погрешность частоты Г, и схема определения параметров гетеродина, работающая во втором режиме, формирует сигнал компенсации и приводит в действие УМ в соответствии с вычисленным рабочим циклом УМ.9. The device of claim 8, in which the circuit for determining the parameters of the local oscillator operating in the first mode stores in the memory device the readings from at least one sensor, the calculated duty cycle of the PA and the calculated frequency error G, and the circuit for determining the parameters of the local oscillator operating in the second mode , generates a compensation signal and drives the PA in accordance with the calculated duty cycle of the PA. 10. Устройство по п.9, в котором схема определения параметров гетеродина подает сигнал компенсации в Г для коррекции погрешности частоты Г.10. The device according to claim 9, in which the circuit for determining the parameters of the local oscillator supplies a compensation signal in G to correct the error of frequency G. 11. Устройство по п.9, в котором первым режимом является режим беспроводной телефонной связи.11. The device according to claim 9, in which the first mode is a wireless telephone mode. 12. Устройство по п.11, в котором вторым режимом является режим системы глобального позиционирования (СГП).12. The device according to claim 11, in which the second mode is the global positioning system (GPS) mode. 13. Устройство по п.9, в котором минимум один датчик содержит датчик температуры.13. The device according to claim 9, in which at least one sensor contains a temperature sensor. 14. Способ компенсации погрешности частоты гетеродина (Г), включающий контроль в первом режиме показания минимум одного датчика, контроль погрешности частоты Г, контроль в первом режиме активности усилителя мощности (УМ), компенсацию во втором режиме расчетной погрешности частоты Г на основе показания минимум одного датчика и погрешности частоты Г, контролируемой в первом режиме.14. A method of compensating for the frequency error of the local oscillator (G), including monitoring in the first mode the readings of at least one sensor, monitoring the frequency errors G, monitoring in the first mode of activity of the power amplifier (PA), compensation in the second mode of the calculated frequency error G based on the reading of at least one sensor and frequency error G, controlled in the first mode. 15. Способ по п.14, по которому контроль погрешности частоты включает прием внешнего источника частоты, и формирование погрешности частоты Г путем сравнения сигнала внешнего источника частоты с частотой Г.15. The method according to 14, in which the control of the frequency error includes receiving an external frequency source, and the formation of the frequency error G by comparing the signal from an external frequency source with frequency G. 16. Способ по п.14, который далее включает вычисление в первом режиме рабочего цикла УМ, и управление УМ во втором режиме в соответствии с вычисленным рабочим циклом УМ.16. The method according to 14, which further includes calculating in the first mode of the working cycle of the PA, and controlling the PA in the second mode in accordance with the calculated duty cycle of the PA. 17. Способ по п.16, по которому этап компенсации включает прием последнего набора показаний от минимум одного датчика, формирование расчетной погрешности частоты Г с использованием последнего набора показаний от минимум одного датчика и показаний от минимум одного датчика, полученных в первом режиме, формирование сигнала коррекции Г на основе погрешности частоты Г, и использование сигнала коррекции Г для компенсации Г.17. The method according to clause 16, in which the compensation step includes receiving the last set of readings from at least one sensor, generating a calculated frequency error G using the last set of readings from at least one sensor and readings from at least one sensor obtained in the first mode, generating a signal correction G based on frequency error G, and using the correction signal G to compensate G. 18. Способ по п.14, по которому внешним источником частоты является пилот-сигнал множественного доступа с кодовым разделением каналов (МДКР).18. The method of claim 14, wherein the external frequency source is a code division multiple access (CDMA) pilot signal. 19. Способ по п.18, по которому минимум один датчик содержит датчик температуры.19. The method according to p, in which at least one sensor contains a temperature sensor. 20. Способ по п.14, по которому вторым режимом является режим системы глобального позиционирования (СГП).20. The method of claim 14, wherein the second mode is a global positioning system (GPS) mode.
RU2002132894/09A 2000-05-09 2001-05-08 Method and device for compensating frequency error of heterodyne by controlling external conditions RU2333598C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/567,801 US6522871B1 (en) 2000-05-09 2000-05-09 Method and apparatus for compensating local oscillator frequency error through environmental control
US09/567,801 2000-05-09

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RU2002132894A true RU2002132894A (en) 2004-04-20
RU2333598C2 RU2333598C2 (en) 2008-09-10

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RU2002132894/09A RU2333598C2 (en) 2000-05-09 2001-05-08 Method and device for compensating frequency error of heterodyne by controlling external conditions

Country Status (14)

Country Link
US (1) US6522871B1 (en)
EP (1) EP1282941B1 (en)
JP (1) JP2003533117A (en)
KR (1) KR100833827B1 (en)
CN (1) CN1256809C (en)
AT (1) ATE408930T1 (en)
AU (2) AU5968001A (en)
BR (1) BR0110683A (en)
CA (1) CA2408595C (en)
DE (1) DE60135840D1 (en)
IL (2) IL152664A0 (en)
MX (1) MXPA02011006A (en)
RU (1) RU2333598C2 (en)
WO (1) WO2001086809A2 (en)

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