KR920007092B1 - 무선 호출 수신기 - Google Patents
무선 호출 수신기 Download PDFInfo
- Publication number
- KR920007092B1 KR920007092B1 KR1019890018018A KR890018018A KR920007092B1 KR 920007092 B1 KR920007092 B1 KR 920007092B1 KR 1019890018018 A KR1019890018018 A KR 1019890018018A KR 890018018 A KR890018018 A KR 890018018A KR 920007092 B1 KR920007092 B1 KR 920007092B1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- preamble
- receiver
- address
- detecting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/022—Selective call receivers
- H04W88/025—Selective call decoders
- H04W88/026—Selective call decoders using digital address codes
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
- G08B3/1008—Personal calling arrangements or devices, i.e. paging systems
- G08B3/1016—Personal calling arrangements or devices, i.e. paging systems using wireless transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/04—Speed or phase control by synchronisation signals
- H04L7/041—Speed or phase control by synchronisation signals using special codes as synchronising signal
- H04L7/046—Speed or phase control by synchronisation signals using special codes as synchronising signal using a dotting sequence
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (5)
- 프리앰블 신호, 동기 신호 및 어드레스 신호를 포함하는 무선 호출 신호를 간헐적으로 수신하기 위한 수신부, 수신부에 의해 검파된 신호를 처리하기 위한 디코더부, 및 디코더부가 수신기에 할당된 어드레스 신호를 검출할 때 경보 신호를 발생시키기 위한 경보 발생기로 구성되는 무선 호출 수신기에 있어서, 디코더부가, 수신된 신호와 동기된 클럭을 추출하기 위한 비트 동기 수단, 프리앰블 신호를 검출하고, 프리앰블 검출 신호를 출력시키기 위한 프리앰블 검출 수단, 동기 신호를 검출하고, 동기 신호 검출 신호를 출력시키기 위한 동기 신호 검출 수단, 수신기에 할당된 어드레스 신호를 검출하고, 어드레스 검출 신호를 출력시키기 위한 어드레스 신호 검출 수단, 및 수신기의 간헐 수신 동작을 제어하는 배터리 절약 제어신호를 출력시키기 위해 프리앰블 검출 신호 및 동기 신호 검출 신호, 및 비트 동기 수단, 프리앰블 검출 수단, 동기 신호 검출 수단, 및 어드레스 검출 수단을 제어하는 제어신호에 응답하는 수신 제어 수단을 포함하고, 프리앰블 검출 수단이 비트 동기 수단에 의해 추출된 클럭의 다수의 위상으로 프리앰블 신호를 검사하고, 프리앰블 신호가 최소한 한 위상으로 검출되면 프리앰블 검출 신호를 출력시키는 것을 특징으로 하는 무선 호출 수신기.
- 제1항에 있어서, 프리앰블 검출 수단이 비트 동기 수단에 의해 추출된 클럭의 한 위상으로 프리앰블 신호를 검사하는 제1프리앰블 검출 회로, 및 비트 동기 수단에 의해 추출된 클럭의 다수의 위상으로 프리 앰블 신호를 검사하는 제2프리앰블 검출 회로를 포함하는 것을 특징으로 하는 무선 호출 수신기.
- 제2항에 있어서, 제1프리앰블 검출 회로가, 동기 신호가 검출되기 전에 동작하고, 제2프리앰블 검출회로가, 동기 신호가 검출된 후에 동작하는 것을 특징으로 바는 무선 호출 수신기.
- 제2항에 있어서, 제1프리앰블 검출 회로가 각각의 비트에 대한 프리앰블 신호의 존재/부재를 검사하고, 제2프리앰블 검출 회로가 어드레스 신호의 비트수의 유니트내에서 프리앰블 신호의 존재/부재를 검사하는 것을 특징으로 하는 무선 호출 수신기.
- 제1항에 있어서, 비트 동기 수단이, 동기 신호가 검출되기전이 아니라 검출된 후에 클럭 위상 정정을 위한 큰 시정수를 설정하는 것을 특징으로 하는 무선 호출 수신기.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63-306837 | 1988-12-06 | ||
JP?63-306837 | 1988-12-06 | ||
JP63306837A JP2679185B2 (ja) | 1988-12-06 | 1988-12-06 | 無線選択呼び出し信号受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR900011171A KR900011171A (ko) | 1990-07-11 |
KR920007092B1 true KR920007092B1 (ko) | 1992-08-24 |
Family
ID=17961854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019890018018A Expired KR920007092B1 (ko) | 1988-12-06 | 1989-12-06 | 무선 호출 수신기 |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0372473B1 (ko) |
JP (1) | JP2679185B2 (ko) |
KR (1) | KR920007092B1 (ko) |
AU (1) | AU623710B2 (ko) |
CA (1) | CA2004590C (ko) |
DE (1) | DE68928163T2 (ko) |
HK (1) | HK1001017A1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6138001A (en) * | 1996-03-12 | 2000-10-24 | Ntt Mobile Communications Network, Inc. | Scheme for intermittent reception of paging signals in mobile communication system |
KR100186615B1 (ko) * | 1996-06-29 | 1999-05-15 | 김광호 | 수신처 무제한 호출 가능한 양방향 무선호출시스템 및 그 제어방법 |
JPH11341538A (ja) | 1998-05-29 | 1999-12-10 | Nec Shizuoka Ltd | 無線通信装置 |
WO2004049652A1 (en) * | 2002-11-26 | 2004-06-10 | Qualcomm Incorporated | Preamble detection and data rate control in a umts system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6013588B2 (ja) * | 1977-09-16 | 1985-04-08 | 日本電気株式会社 | 無線個別呼出受信機 |
JPS6362138B2 (ko) * | 1979-09-12 | 1988-12-01 | ||
JPS56136050A (en) * | 1980-03-28 | 1981-10-23 | Nec Corp | Individual selective call reception system |
GB2136178A (en) * | 1983-02-25 | 1984-09-12 | Philips Electronic Associated | Pager decoding system |
GB8320979D0 (en) * | 1983-08-03 | 1983-09-07 | Multitone Electronics Plc | Decoding arrangements |
JPS62160830A (ja) * | 1986-01-10 | 1987-07-16 | Nec Corp | 選択呼出信号受信機 |
-
1988
- 1988-12-06 JP JP63306837A patent/JP2679185B2/ja not_active Expired - Fee Related
-
1989
- 1989-12-05 EP EP89122380A patent/EP0372473B1/en not_active Expired - Lifetime
- 1989-12-05 AU AU45942/89A patent/AU623710B2/en not_active Ceased
- 1989-12-05 DE DE68928163T patent/DE68928163T2/de not_active Expired - Fee Related
- 1989-12-05 CA CA002004590A patent/CA2004590C/en not_active Expired - Fee Related
- 1989-12-06 KR KR1019890018018A patent/KR920007092B1/ko not_active Expired
-
1997
- 1997-12-23 HK HK97102588A patent/HK1001017A1/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
EP0372473B1 (en) | 1997-07-09 |
DE68928163D1 (de) | 1997-08-14 |
JPH02153633A (ja) | 1990-06-13 |
AU623710B2 (en) | 1992-05-21 |
HK1001017A1 (en) | 1998-05-15 |
JP2679185B2 (ja) | 1997-11-19 |
CA2004590A1 (en) | 1990-06-06 |
EP0372473A2 (en) | 1990-06-13 |
EP0372473A3 (en) | 1991-12-18 |
DE68928163T2 (de) | 1997-12-04 |
KR900011171A (ko) | 1990-07-11 |
CA2004590C (en) | 1993-10-05 |
AU4594289A (en) | 1990-06-14 |
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