KR960043560A - Receiving frequency compensation method and apparatus for portable radiotelephone - Google Patents

Receiving frequency compensation method and apparatus for portable radiotelephone Download PDF

Info

Publication number
KR960043560A
KR960043560A KR1019950013052A KR19950013052A KR960043560A KR 960043560 A KR960043560 A KR 960043560A KR 1019950013052 A KR1019950013052 A KR 1019950013052A KR 19950013052 A KR19950013052 A KR 19950013052A KR 960043560 A KR960043560 A KR 960043560A
Authority
KR
South Korea
Prior art keywords
frequency
generating
sensitivity
data
divided
Prior art date
Application number
KR1019950013052A
Other languages
Korean (ko)
Other versions
KR0138175B1 (en
Inventor
황은섭
Original Assignee
김광호
삼성전자 주식회사
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
Publication date
Application filed by 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019950013052A priority Critical patent/KR0138175B1/en
Publication of KR960043560A publication Critical patent/KR960043560A/en
Application granted granted Critical
Publication of KR0138175B1 publication Critical patent/KR0138175B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/12—Neutralising, balancing, or compensation arrangements
    • H04B1/123—Neutralising, balancing, or compensation arrangements using adaptive balancing or compensation means
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1072—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal by tuning the receiver frequency

Abstract

1. 청구범위에 기재된 발명이 속한 기술분야1. TECHNICAL FIELD OF THE INVENTION

휴대용 무선 전화기walkie talkie

2. 발명이 해결하려고 하는 기술적 과제2. The technical problem to be solved by the invention

휴대용 무선전화기에서 주파수 편차를 미세하게 조정함.Fine adjustment of frequency deviation in portable radiotelephones.

3. 발명의 해결 방법의 요지3. Summary of the Solution of the Invention

휴대용 무선전화기에서 주파수 편차를 보상하는 장치가, 수신되는 무선신호와 제1기준주파수를 합성하여 제1중간주파수를발생하는 수단과, 상기 제 1중간주파수와 제2기준주파수를 합성하여 제2중간주파수를 발생하는 수단과, 상기 제2중간주파수에서 수신감도세기를 검출하는 수단과, 상기 제1기준주파수를 발생하기 위한 채널선택데이타를 발생하고, 상기 제2기준주파수를 발생하기 위한 제1분주데이타 및 제2분주 데이터를 발생하며, 상기 수신감도세기와 싱기 기준감도세기를 비교하여 상기 기준감도세기가 클시 상기 제1분주데이타를 증가시키고 기준 감도세기가 작을 시 제1분주데이타를 감소시키는제어수단과, 위상동기루프수단으로 구성되며, 상기 채널선택데이타를 로드하여 상기 제1기준주파수를 발생하는 수단과,위상동기루프수단을 구비하고 상기 제1분주데이타 및 제2분주데이타를 각각 로드하며 상기 두 분주데이터의 차에 따라 상기 제2기준주파수를 발생하는 수단으로 구성되어, 상기수신감도세기의 변화에 따라 적응적으로 상기 제2기준주파수를 제어하여 수신 주파수의 편차를 보상함.A device for compensating for frequency deviation in a portable radiotelephone comprises means for generating a first intermediate frequency by synthesizing a received radio signal and a first reference frequency, and synthesizing the first intermediate frequency and a second reference frequency for a second intermediate frequency. Means for generating a frequency, means for detecting reception sensitivity at the second intermediate frequency, channel selection data for generating the first reference frequency, and first division for generating the second reference frequency Generating data and second division data, and comparing the reception sensitivity strength with the reference reference sensitivity strength to increase the first division data when the reference sensitivity intensity is large and decrease the first division data when the reference sensitivity intensity is small; Means and a phase synchronous loop means, the means for loading the channel selection data to generate the first reference frequency, and a phase synchronous loop means. And means for loading the first divided data and the second divided data, respectively, and generating the second reference frequency according to the difference between the two divided data, and adaptively adapted to the change in the received sensitivity intensity. Compensate for the deviation of the reception frequency by controlling the reference frequency.

4. 발명의 중요한 용도4. Important uses of the invention

제1주파수변환수단 및 제2주파수변환수단을 구비하는 휴대용 무선전화기에서 제2주파수변환수단의 제2기준주파수를 수신감도에 따라 적응적으로 제어하여 주파수 편차를 미세하게 조정할 수 있음.In a portable radiotelephone having a first frequency converting means and a second frequency converting means, the second reference frequency of the second frequency converting means can be adaptively controlled according to the reception sensitivity to finely adjust the frequency deviation.

Description

휴대용 무선전화기의 수신 주파수 보상 방법 및 장치Receiving frequency compensation method and apparatus for portable radiotelephone

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 휴대용 무선전화기의 구성에서 본 발명에 따른 수신부의 구성을 도시하는 도면, 제2도는 본 발명에 따라 휴대용 무선전화기에서 수신시 제2기준주파수를 이용하여 주파수 편차를 보상하는 과정을 도시하는 흐름도.1 is a diagram showing the configuration of a receiver according to the present invention in the configuration of a portable radiotelephone, and FIG. 2 is a diagram illustrating a process of compensating for frequency deviation using a second reference frequency upon reception in a portable radiotelephone according to the present invention. Flowchart.

Claims (5)

휴대용 무선전화기의 주파수 보상장치에 있어서, 수신되는 무선신호와 제1기준주파수를 합성하여 제1중간주파수를 발생하는 수단과, 상기 제1중간주파수와 제2기준주파수를 합성하여 제2중간주파수를 발생하는 수단과, 상기 제2중간주파수에서 수신감도세기를 검출하는 수단과, 상기 제1기준주파수를 발생하기 위한 채널선택데이타를 발생하고, 상기제2기준주파수를 발생하기 위한 제1분주데이타 및 제2분주데이타를 발생하며, 상기 수신감도세기와 상기 기준감도세기를비교하여 상기 기준감도세기가 클시 상기 제1분주 데이터를 증가시키고 기준감도세기가 작을 시 제1분주데이타를 감소시키는 제어수단과, 위상동기루프수단으로 구성되며, 상기 채널선택데이타를 로드하여 상기 제1기준주파수를 발생하는수단과, 위상동기루프수단을 구비하며, 상기 제1분주데이타 및 제2분주데이타를 각각 로드하며, 상기 두 분주데이타의 차에따라 상기 제2기준주파수를 발생하는 수단으로 구성되어, 상기 수신감도세기의 변화에 따라 적응적으로 상기 제2기준주파수를 제어하어 수신 주파수의 편차를 보상하는 것을 특징으로 하는 휴대용 무선전화기의 주파수 보상장치,A frequency compensating apparatus for a portable radio telephone, comprising: means for generating a first intermediate frequency by synthesizing a received radio signal and a first reference frequency, and synthesizing a second intermediate frequency by synthesizing the first intermediate frequency and the second reference frequency; Means for generating, means for detecting reception sensitivity at the second intermediate frequency, generating channel selection data for generating the first reference frequency, first division data for generating the second reference frequency, and A control means for generating a second divided data and comparing the received sensitivity strength with the reference sensitivity strength to increase the first divided data when the reference sensitivity strength is large and to reduce the first divided data when the reference sensitivity strength is small; And phase synchronizing loop means, the means for loading the channel selection data to generate the first reference frequency, and phase synchronizing loop means. And a means for generating the second reference frequency according to the difference between the two divided data, respectively, and loading the first divided data and the second divided data, the second reference adaptively according to the change in the received sensitivity intensity. A frequency compensating device of a portable radio telephone, characterized in that for compensating for the deviation of the received frequency by controlling the frequency; 제1항에 있어서, 상기 제어수단이, 상기 수신감도세기를 디지털 데이타로 변환하는 아날로그/디지탈변환기와. 기준 클럭에 대응되는 상기 제1분주데이타 및 상기 제2기준주파수에 대응되는 제2분주데이타를 발생하며, 설정된 주기로 상기 수신감도 세기를 검출하여 기준감도세기와 비교하여 상기 기준감도세기가 클 시 상기 제1분주데이타를 증가시키고 상기 기준감도세기가 작을 시 상기 제1분주데이타를 감소시키는 제어부와,상기 제어부에서 출력하는 수신감도세기를기준감도세기로 저장하는 메모리로 구성된 것을 특징으로 하는 휴대용 무선전화기의 주파수 보상장치.The analog / digital converter of claim 1, wherein the control means converts the reception sensitivity into digital data. The first divided data corresponding to the reference clock and the second divided data corresponding to the second reference frequency are generated, and the received sensitivity intensity is detected at a set period and when the reference sensitivity intensity is large compared to the reference sensitivity intensity, A portable wireless telephone comprising: a control unit for increasing the first division data and decreasing the first division data when the reference sensitivity is small; and a memory for storing the reception sensitivity strength output from the control unit as the reference sensitivity strength. Frequency compensation device. 제2항에 있어서, 제2기준주파수를 발생하는 수단이, 온도보상형과발진기와,상기 제1분주데이타를 로드하3. The apparatus of claim 2, wherein the means for generating a second reference frequency includes a temperature compensation type oscillator and a load of the first division data. 며 상기 온도보상형 발진기의 출력을 분주하여 제1분주신호를 발생하는 제1분주기와, 상기 제2분주데아타를 로드하며 상기 제2기준주파수를 분주하여 제2분주신호를 발생하는 제2분주기와, 상기 제1분주신호와 상기 제2분주신호를 비교하여 두 분주신호의 차신호를 발생하는 비교기와, 상기 비교기의 출력을 저역 여파하여 직류 전압으로 변환하는 저역여파기와, 상기 전압에 의해 제어발진되어 상기 제2기준주파수를 발생하는 전압제어발진기로 구성된것을 특징으로 하는 휴대용 무선전화기의 주파수보상장치.And a second divider for dividing the output of the temperature compensated oscillator to generate a first divided signal and a second divider for loading the second divided data and dividing the second reference frequency to generate a second divided signal. A comparator for comparing the divider, the first divided signal and the second divided signal to generate a difference signal between the two divided signals, a low pass filter for low-pass filtering the output of the comparator and converting it into a DC voltage, and And a voltage controlled oscillator which is controlled oscillated to generate the second reference frequency. 제1기준주파수와 수신신호를 혼합하여 제1중간주파수를 발생하는 제1주파수변환수단과, 제1분주신호 및 제2분주신호의 차를 검출한 후 두신호의 차에 따른 제2기준주파수를 발생하는 수단과, 상기제2기준주파수와 제1중간주파수를 혼합하여 제2주파수를 발생하는 제2중간주파수변환수단과 상기 제2중간주파수의 수신감도세기를 검출하는 수단을 구비하는 휴대용 무선전화기의 수신 방법에 있어서, 상기 제2분주신호를 제2기준주파수로 설정하고 상기 제1분주신호를 기준클럭주기로 설정하여 위상동기루프의 분주비를 설정하는 과정과, 상기 과정 수행 후 수신감도세기와 기준감도세기를 비교하는 과정과, 상기 비교과정에서 상기 기준감도세기가 수신감도세기 보다 클 시 상기 제1분주신호를 증가시키고 상기 수신감도세기를 기준감도세기로 저장한 후 다음 수신감도세기의 입력을 대기하는 과정과, 상기 대기과정 수행 후 상기 수신감도세기와 기준감도세기를 반복수행하는 과정으로 이루어짐을 특징으로 하는 휴대용 무선전화기의 주파수 보상 방법.A first frequency converting means for generating a first intermediate frequency by mixing the first reference frequency and the received signal, and detecting a difference between the first divided signal and the second divided signal and setting a second reference frequency according to the difference between the two signals. And a second intermediate frequency converting means for generating a second frequency by mixing the second reference frequency and the first intermediate frequency, and a means for detecting the reception sensitivity of the second intermediate frequency. In the receiving method of claim 2, wherein the second divided signal is set to the second reference frequency and the first divided signal is set to the reference clock period to set the division ratio of the phase-locked loop, Comparing the reference sensitivity strength, and when the reference sensitivity strength is greater than the reception sensitivity strength, the first divided signal is increased and the reception sensitivity strength is stored as the reference sensitivity strength. Process and, after the waiting process, the frequency compensation method of the mobile radio telephone, characterized in the step of repeatedly performing constituted by any of the reception intensity with a reference intensity sensitivity to perform the next reception waiting for input of the century. 휴대용 무선전화기의 주파수 보상 방법에 있어서, 선택된 채널주파수를 제1기준주파수로 발생하는 과정과, 수신되는 무선신호와 상기 제1기준주파수를 합성하여 제1중간주파수를 발생하는 과정과, 상기 제1중간주파수와 제2기준주파수를 합성하여 제2중간주파수를 발생하는 과정과, 상기 제2중간주파수에서 수신감도세기를 검출하는 과정과, 상기 수신감도세기와 기준감도세기를 비교하는 과정과, 상기 비교과정에서 상기 기준감도세기가 클 시 상기 제2기준주파수를 증가시킨 후 상기 제2중간주파수 발생하는 과정으로 되돌아가는 과정과,상기 비교과정에서 상기 기준감도세기가 작을 시 상기제2기준주파수를 감소시킨 후 상기 제2중간 주파수를 발생하는 과정으로 되돌아가는 과정으로 이루어짐을 특징으로 하는휴대용 무선전화기의 수신 방법.A frequency compensation method of a portable radio telephone, comprising: generating a selected channel frequency as a first reference frequency, synthesizing a received radio signal with the first reference frequency and generating a first intermediate frequency; Generating a second intermediate frequency by synthesizing an intermediate frequency and a second reference frequency, detecting a reception sensitivity strength at the second intermediate frequency, comparing the reception sensitivity strength with a reference sensitivity strength, and When the reference sensitivity is large in the comparison process, the step of increasing the second reference frequency and then returning to the process of generating the second intermediate frequency; when the reference sensitivity is small in the comparison process, the second reference frequency And reducing and returning to generating the second intermediate frequency. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950013052A 1995-05-24 1995-05-24 Receiving frequency compensating method in mobile telephone KR0138175B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950013052A KR0138175B1 (en) 1995-05-24 1995-05-24 Receiving frequency compensating method in mobile telephone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950013052A KR0138175B1 (en) 1995-05-24 1995-05-24 Receiving frequency compensating method in mobile telephone

Publications (2)

Publication Number Publication Date
KR960043560A true KR960043560A (en) 1996-12-23
KR0138175B1 KR0138175B1 (en) 1998-07-01

Family

ID=19415256

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950013052A KR0138175B1 (en) 1995-05-24 1995-05-24 Receiving frequency compensating method in mobile telephone

Country Status (1)

Country Link
KR (1) KR0138175B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100819217B1 (en) * 2000-03-10 2008-04-02 엔엑스피 비 브이 Frequency converter enabling a non-integer division ratio to be programmed by means of a unique control word

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100819217B1 (en) * 2000-03-10 2008-04-02 엔엑스피 비 브이 Frequency converter enabling a non-integer division ratio to be programmed by means of a unique control word

Also Published As

Publication number Publication date
KR0138175B1 (en) 1998-07-01

Similar Documents

Publication Publication Date Title
US5408698A (en) Radio tele-communication device having function of variably controlling received signal level
CA2001775C (en) Mobile telephone system with intermittent control of receiver components in standby state
US5943613A (en) Method and apparatus for reducing standby current in communications equipment
CN101536364B (en) Method for monitoring heterogeneous wireless access technology and communication circuit
KR960700578A (en) Automatic Frequency Control Apparatus
JPH0645960A (en) Receiver
KR20130049761A (en) Apparatus and method for fast phase locked loop(pll) settling for cellular time-division duplex(tdd) communications systems
KR0129462B1 (en) Radio having a combined pll and afc / wp and method of operating the same
JPH08265141A (en) Method and device for controlling digital phase-locked loop,and cordless telephone
US6091943A (en) Combining oscillator with a phase-indexed control circuit for a radio receiver
KR960043560A (en) Receiving frequency compensation method and apparatus for portable radiotelephone
US6329847B1 (en) Radio device including a frequency synthesizer and phase discriminator for such a device
US8781045B2 (en) Communication apparatuses and wireless communications modules
KR970004385A (en) Frequency Compensation Method and Apparatus of a Portable Cordless Telephone
JPH10145229A (en) Pll synthesizer
JPH0355923A (en) Control method for local oscillation circuit of receiver
KR100471307B1 (en) Intermediate frequency automatic control device in mobile terminal
JP2572470Y2 (en) Phase locked loop circuit
JP3246531B2 (en) Receiver circuit
JP3220352B2 (en) Switching power supply circuit for mobile phones
KR100584322B1 (en) The Unified RF Interface apparartus for dual-mode terminal
JPH07107002A (en) High-speed frequency switching circuit for radio communication equipment
JP2001077708A (en) Transmission output correcting circuit and radio communication device equipped with transmission output correcting function
JPH05308282A (en) Phase locke loop circuit
JPH05129945A (en) Pll circuit

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080108

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee