JPS5450202A - Radio transmission system - Google Patents
Radio transmission systemInfo
- Publication number
- JPS5450202A JPS5450202A JP10986978A JP10986978A JPS5450202A JP S5450202 A JPS5450202 A JP S5450202A JP 10986978 A JP10986978 A JP 10986978A JP 10986978 A JP10986978 A JP 10986978A JP S5450202 A JPS5450202 A JP S5450202A
- Authority
- JP
- Japan
- Prior art keywords
- transmission system
- radio transmission
- radio
- transmission
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/08—Arrangements for detecting or preventing errors in the information received by repeating transmission, e.g. Verdan system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/02—Arrangements for detecting or preventing errors in the information received by diversity reception
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Transmission System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB37729/77A GB1540570A (en) | 1977-09-09 | 1977-09-09 | Radio transmission systems |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5450202A true JPS5450202A (en) | 1979-04-20 |
Family
ID=10398625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10986978A Pending JPS5450202A (en) | 1977-09-09 | 1978-09-08 | Radio transmission system |
Country Status (5)
Country | Link |
---|---|
US (1) | US4232392A (ja) |
JP (1) | JPS5450202A (ja) |
DE (1) | DE2839197A1 (ja) |
FR (1) | FR2402974A1 (ja) |
GB (1) | GB1540570A (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4577332A (en) * | 1983-03-14 | 1986-03-18 | General Electric Company | Digital decoding arrangement |
US4639914A (en) * | 1984-12-06 | 1987-01-27 | At&T Bell Laboratories | Wireless PBX/LAN system with optimum combining |
US4614945A (en) * | 1985-02-20 | 1986-09-30 | Diversified Energies, Inc. | Automatic/remote RF instrument reading method and apparatus |
US4896371A (en) * | 1987-11-20 | 1990-01-23 | Kahn Leonard R | Synchronous AM transmission system having reduced self interference effects |
JPH02241235A (ja) * | 1989-03-15 | 1990-09-25 | Toshiba Corp | 無線電話装置 |
US5239671A (en) * | 1990-11-13 | 1993-08-24 | Pagemart, Inc. | Simulcast satellite paging system with provision for signal interruption |
US5983112A (en) * | 1990-12-06 | 1999-11-09 | Hughes Electronics Corporation | Frequency, time and power level diversity system for digital radio telephony |
US7110520B1 (en) * | 1994-04-28 | 2006-09-19 | Metro One Telecommunications, Inc. | Method and system for directory assistance services |
US5873032A (en) * | 1994-04-28 | 1999-02-16 | Metro One Telecommunications, Inc. | Method and system for providing directory assistance services during attempt to complete customer or after call termination via an alphanumeric page |
US5913172A (en) * | 1996-11-15 | 1999-06-15 | Glenayre Electronics, Inc. | Method and apparatus for reducing phase cancellation in a simulcast paging system |
GB0222999D0 (en) * | 2002-10-04 | 2002-11-13 | Ip Access Ltd | Cellular radio telecommunication systems |
US7706743B1 (en) | 2005-11-21 | 2010-04-27 | Michael David Moore | Low power radio device for providing access to aircraft communications (or other specialized communications) to the general public via commercial radio bands and receivers |
KR102501864B1 (ko) | 2016-01-05 | 2023-02-22 | 한국전자통신연구원 | 4-비트 인젝션 레벨 코드를 이용하여 스케일링되는 전송 식별자를 이용한 방송 신호 송신 장치 및 이를 이용한 방법 |
WO2017119713A1 (ko) * | 2016-01-05 | 2017-07-13 | 한국전자통신연구원 | 4-비트 인젝션 레벨 코드를 이용하여 스케일링되는 전송 식별자를 이용한 방송 신호 송신 장치 및 이를 이용한 방법 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1806666A (en) * | 1931-05-26 | Radio broadcasting system | ||
NL27565C (ja) * | 1928-01-26 | |||
US1988275A (en) * | 1930-09-13 | 1935-01-15 | Lorenz C Ag | Equal wavelength broadcasting |
NL168973C (nl) * | 1972-11-23 | 1982-05-17 | Philips Nv | Omroepstelsel. |
US4051438A (en) * | 1975-09-11 | 1977-09-27 | International Telephone And Telegraph Corporation | Co-channel multiple signal broadcasting system |
-
1977
- 1977-09-09 GB GB37729/77A patent/GB1540570A/en not_active Expired
-
1978
- 1978-08-30 US US05/938,046 patent/US4232392A/en not_active Expired - Lifetime
- 1978-09-06 FR FR7825638A patent/FR2402974A1/fr not_active Withdrawn
- 1978-09-08 JP JP10986978A patent/JPS5450202A/ja active Pending
- 1978-09-08 DE DE19782839197 patent/DE2839197A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE2839197A1 (de) | 1979-03-29 |
GB1540570A (en) | 1979-02-14 |
FR2402974A1 (fr) | 1979-04-06 |
US4232392A (en) | 1980-11-04 |
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