KR100394162B1 - - Google Patents

Info

Publication number
KR100394162B1
KR100394162B1 KR10-2000-7013568A KR20007013568A KR100394162B1 KR 100394162 B1 KR100394162 B1 KR 100394162B1 KR 20007013568 A KR20007013568 A KR 20007013568A KR 100394162 B1 KR100394162 B1 KR 100394162B1
Authority
KR
South Korea
Prior art keywords
bit
signal
event
transmitted
digital signals
Prior art date
Application number
KR10-2000-7013568A
Other languages
English (en)
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
Priority claimed from US07/789,292 external-priority patent/US5258995A/en
Priority claimed from US07/789,731 external-priority patent/US5259003A/en
Priority claimed from US07/789,348 external-priority patent/US5267244A/en
Priority claimed from US07/789,736 external-priority patent/US5212808A/en
Priority claimed from US07/789,737 external-priority patent/US5247702A/en
Priority claimed from US07/790,634 external-priority patent/US5278992A/en
Application filed filed Critical
Application granted granted Critical
Publication of KR100394162B1 publication Critical patent/KR100394162B1/ko

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/31—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes combining coding for error detection or correction and efficient use of the spectrum
    • 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
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M5/00—Conversion of the form of the representation of individual digits
    • H03M5/02—Conversion to or from representation by pulses
    • H03M5/04—Conversion to or from representation by pulses the pulses having two levels
    • H03M5/14—Code representation, e.g. transition, for a given bit cell depending on the information in one or more adjacent bit cells, e.g. delay modulation code, double density code
    • H03M5/145—Conversion to or from block codes or representations thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J1/00—Frequency-division multiplex systems
    • H04J1/02—Details
    • H04J1/12—Arrangements for reducing cross-talk between channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J13/00—Code division multiplex systems
    • H04J13/10—Code generation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/06—Synchronising arrangements
    • H04J3/0602—Systems characterised by the synchronising information used
    • H04J3/0605—Special codes used as synchronising signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits
    • H04L25/49—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems
    • H04L25/4906—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes
    • H04L25/4908—Transmitting circuits; Receiving circuits using code conversion at the transmitter; using predistortion; using insertion of idle bits for obtaining a desired frequency spectrum; using three or more amplitude levels ; Baseband coding techniques specific to data transmission systems using binary codes using mBnB codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
KR10-2000-7013568A 1991-11-08 2000-11-30 KR100394162B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US07/789,292 US5258995A (en) 1991-11-08 1991-11-08 Wireless communication system
US07/789,731 US5259003A (en) 1991-11-08 1991-11-08 Method of encoding two digital data signals
US07/789,348 US5267244A (en) 1991-11-08 1991-11-08 Method and an apparatus for establishing the functional capabilities for wireless communications between a base unit and a remote unit
US07/789,736 US5212808A (en) 1991-11-08 1991-11-08 Method and an apparatus for re-establishing wireless communication between a base unit and a remote unit
US07/789,737 US5247702A (en) 1991-11-08 1991-11-08 Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit
US07/790,634 US5278992A (en) 1991-11-08 1991-11-08 Method and apparatus for controlling transmission power of a remote unit communicating with a base unit over a common frequency channel

Publications (1)

Publication Number Publication Date
KR100394162B1 true KR100394162B1 (ko) 2003-08-09

Family

ID=27560295

Family Applications (3)

Application Number Title Priority Date Filing Date
KR10-2000-7013568A KR100394162B1 (ko) 1991-11-08 2000-11-30
KR10-2000-7013567A KR100393950B1 (ko) 1991-11-08 2000-11-30
KR10-2000-7013569A KR100393951B1 (ko) 1991-11-08 2000-11-30

Family Applications After (2)

Application Number Title Priority Date Filing Date
KR10-2000-7013567A KR100393950B1 (ko) 1991-11-08 2000-11-30
KR10-2000-7013569A KR100393951B1 (ko) 1991-11-08 2000-11-30

Country Status (4)

Country Link
JP (5) JP3264925B2 (ko)
KR (3) KR100394162B1 (ko)
AU (1) AU3128893A (ko)
WO (1) WO1993009493A1 (ko)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5404376A (en) * 1993-09-09 1995-04-04 Ericsson-Ge Mobile Communications Inc. Navigation assistance for call handling in mobile telephone systems
US6088590A (en) * 1993-11-01 2000-07-11 Omnipoint Corporation Method and system for mobile controlled handoff and link maintenance in spread spectrum communication
US5619524A (en) * 1994-10-04 1997-04-08 Motorola, Inc. Method and apparatus for coherent communication reception in a spread-spectrum communication system
JP3456037B2 (ja) * 1994-12-13 2003-10-14 ソニー株式会社 デジタルコードレス電話用親機
JP4702443B2 (ja) 2008-12-17 2011-06-15 ソニー株式会社 通信システム、通信方法、通信装置、およびプログラム
JP5343753B2 (ja) * 2009-08-03 2013-11-13 株式会社リコー 液吐出検出装置およびインクジェット記録装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991007037A1 (en) * 1989-11-07 1991-05-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3688210A (en) * 1971-07-16 1972-08-29 Larry W Fort Apparatus to protect a phase-locked-loop against loss of synchronizing signal
US4644560A (en) * 1982-08-13 1987-02-17 Hazeltine Corporation Intranetwork code division multiple access communication system
US4616364A (en) * 1984-06-18 1986-10-07 Itt Corporation Digital hopped frequency, time diversity system
JPH0761029B2 (ja) * 1985-06-20 1995-06-28 ソニー株式会社 送受信装置
CA1249633A (en) * 1985-12-11 1989-01-31 Hideaki Morimoto Channel switching system
US4672657A (en) * 1985-12-17 1987-06-09 Motorola, Inc. Multichannel telephone system
US4742514A (en) * 1986-03-25 1988-05-03 Motorola, Inc. Method and apparatus for controlling a TDM communication device
US4789980A (en) * 1986-08-18 1988-12-06 American Telephone & Telegraph Company, At&T Bell Laboratories Switching techniques for FDM communication systems
NL8700175A (nl) * 1987-01-26 1988-08-16 Philips Nv Werkwijze voor het door middel van codesignalen overdragen van informatie, informatie-overdrachtsysteem voor het uitvoeren van de werkwijze, alsmede een verzend- en ontvangstinrichting voor toepassing in het overdrachtsysteem.
US5007050A (en) * 1987-03-27 1991-04-09 Teletec Corporation Bidirectional digital serial interface for communication digital signals including digitized audio between microprocessor-based control and transceiver units of two-way radio communications equipment
CA1293999C (en) * 1987-08-24 1992-01-07 Osamu Ichiyoshi Earth station capable of effectively using a frequency band of asatellite
US5020094A (en) * 1987-12-23 1991-05-28 Rash Mark S Cordless telephone network
NL8803102A (nl) * 1988-12-19 1990-07-16 Philips Nv Werkwijze voor het tot stand brengen van een data-verbinding tussen een tweetal terminals alsmede een terminal die geschikt is voor deze werkwijze.
US5001703A (en) * 1989-01-23 1991-03-19 Motorola, Inc. Spectrally efficient TDM duplex communication system
US5042082A (en) * 1989-06-26 1991-08-20 Telefonaktiebolaget L. M. Ericsson Mobile assisted handoff
CA1312656C (en) * 1989-08-24 1993-01-12 Steven Messenger Wireless communications systems
US5199031A (en) * 1990-08-31 1993-03-30 Telefonaktiebolaget L M Ericsson Method and system for uniquely identifying control channel time slots
US5128959A (en) * 1991-02-22 1992-07-07 Motorola, Inc. Variable bandwidth CDMA radio system
CA2066946A1 (en) * 1991-05-16 1992-11-17 George Philip Vella-Coleiro Apparatus and method for synchronizing a plurality of remote transmission and receiving stations

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991007037A1 (en) * 1989-11-07 1991-05-16 Qualcomm Incorporated Method and apparatus for controlling transmission power in a cdma cellular mobile telephone system

Also Published As

Publication number Publication date
KR100393951B1 (ko) 2003-08-06
JP2002185999A (ja) 2002-06-28
JPH07509590A (ja) 1995-10-19
KR100393950B1 (ko) 2003-08-06
JP2005073252A (ja) 2005-03-17
AU3128893A (en) 1993-06-07
JP3682058B2 (ja) 2005-08-10
JP3264925B2 (ja) 2002-03-11
JP2002186049A (ja) 2002-06-28
JP2002185399A (ja) 2002-06-28
WO1993009493A1 (en) 1993-05-13

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Legal Events

Date Code Title Description
A107 Divisional application of patent
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080723

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee