[go: up one dir, main page]

Banghart, 1984 - Google Patents

An evaluation and analysis of amplitude compandored, single sideband radio

Banghart, 1984

Document ID
4615149479891178368
Author
Banghart L
Publication year

External Links

Snippet

Abstract Amplitude Compandored Single Sideband (ACSB) was developed at Stanford University in response to the need for spectrum-efficient technology in radio communications. This report presents an analysis and evaluation of a commercially …
Continue reading at search.proquest.com (other versions)

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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • 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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
    • 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
    • H04B1/62—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 for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/76—Arrangements characterised by transmission systems other than for broadcast, e.g. the Internet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/86—Arrangements characterised by the broadcast information itself
    • H04H20/88—Stereophonic broadcast systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers; Analogous equipment at exchanges
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Supervisory, monitoring, management, i.e. operation, administration, maintenance or testing arrangements
    • H04M3/2236—Quality of speech transmission monitoring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
    • H—ELECTRICITY
    • H03—BASIC ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATIONS NETWORKS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION

Similar Documents

Publication Publication Date Title
CA2068254C (en) Mobile telephone device wherein an adder supplies a sum of audio and out-of audio band signals to a compressor circuit
US3684838A (en) Single channel audio signal transmission system
US7203488B2 (en) Flexible software radio transceiver
US5911115A (en) Data transmission over amps networks
DE60016774T2 (en) CALIBRATION OF A MOBILE STATION USING A REVERSE MODULE
US20160142538A1 (en) Method for compensating for hearing loss in a telephone system and in a mobile telephone apparatus
IL113511A (en) System and method for calibration of frequency hopping
US3711647A (en) Circuit for interconnection of telephone and radio-telephone networks
Banghart An evaluation and analysis of amplitude compandored, single sideband radio
Bateman et al. Speech and data communications over 942 MHz TAB and TTIB single sideband mobile radio systems incorporating feed-forward signal regeneration
US1811102A (en) Signal transmission by guided and unguided waves
WO1991003107A1 (en) System and method of transmitting and receiving a lincompex modulated signal over a communication channel utilizing frequency modulation techniques
Gibson et al. The potential of SSB for land mobile radio
US5495468A (en) System and method for transmitting plural information waveforms over a single communications channel using lincompex techniques
US4314104A (en) Narrow band voice modulator system
Hansen Modulation techniques for land mobile radio
US5907584A (en) System and method for transmitting and receiving a Lincompex signal having information encoded thereon through angle modulation
WO1995031049A1 (en) Companding system (lincompex) using pre- and de-emphasis
US3535455A (en) Analog voice signal processing in transmission circuits
Evans et al. Satellite-communication system employing single-channel/carrier frequency modulation with syllabic companding
Varlamov Dolby Surround Sound Applications in DRM Digital Radio Broadcasting
Petrovic Digitized speech transmission through Vhf Fm repeaters
McGeehan et al. Subjective performance of amplitude companding in SSB mobile radio systems
Nordahl A new ultrahigh-frequency multichannel military radio relay system
Lymer et al. Determination of am cochannel protection ratio for land mobile signals by means of subjective testing