[특허]Method and apparatus for compressing and transmitting high speed data

[미국특허] Method and apparatus for compressing and transmitting high speed data 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04J-004/00
출원번호	US-0567252 (2000-05-09)
발명자 / 주소	Scott David Kurtz
출원인 / 주소	Interdigital Technology Corporation
대리인 / 주소	Volpe and Koenig, P.C.
인용정보	피인용 횟수 : 11 인용 특허 : 36

초록 ▼

Two related voiceband compression techniques are employed in order to enable an RF telecommunications system to accommodate data signals of high speed voiceband modems and FAX machines. A High Speed Codec enables the telecommunications system to pass voiceband modem and FAX transmissions at up to 9.6 kb/s. An Ultra-High Speed Codec supports voiceband modem and FAX transmissions up to 14.4 kb/s. The High Speed Codec operates using three 16-phase RF slots or four 8-phase RF slots, and the Ultra-High Speed Codec operates using four 16-phase RF slots. Because these codecs transmit information over several RF slots which can be contiguous, the slots within RF communication channels are dynamically allocated. The Dynamic Timeslot/Bandwidth Allocation feature detects and monitors the data transmission and forms a data channel from the necessary number of slots.

대표청구항 ▼

1. A telecommunications apparatus for receiving a plurality of telephone signals and for transmitting each of the telephone signals on a respective communication channel, wherein each communication channel is formed on at least one transmit radio frequency (RF) carrier, each RF carrier having a plurality of information slots and at least one of the information slots is assigned to one of the telephone signals so that the one of the telephone signals is modulated on the RF carrier; whereby the telephone signals may include a data signal of a low speed type, a high speed type or an ultra high speed type; the apparatus comprising:detector means for receiving and for monitoring each of the telephone signals to detect a data signal in one of the telephone signals and determine the speed type; encoding means for encoding the data signal to generate a coded signal; control means for checking an assignment status of ones of the information slots responsive to detection of the data signal and its speed type, and for locating a predetermined number of unassigned sequential information slots for a predetermined bandwidth, the assignment status indicating whether each information slot is unassigned or assigned to a respective one of the telephone signals, the predetermined number being a first number for a low speed type, a second number for a high speed type and a third number for an ultra high speed type; channel forming means for forming the communication channel from the unassigned sequential information slots; and means for modulating the coded signal on the communication channel.

이 특허에 인용된 특허 (36) 인용/피인용 타임라인 분석

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Lin Daniel (Montville NJ) Kurtz Scott D. (Mount Laurel NJ) McCarthy Brian M. (Lafayette Hill PA) Kresse James M. (Marlton NJ), Communication signal compression system and method.
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Bernstein Simon (Reston VA), Communication system utilizing dynamically slotted information.
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Gray James S. (Dunwoody GA) Chamberlin James W. (Lawrenceville GA) McBride Alan L. (Lawrenceville GA) Schreiner ; III Peter G. (Clarkston GA), Digital audio satellite transmission system.
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Hluchyj Michael G. (Wellesley MA) Yin Nanying (Cambridge MA), Dynamic encoding rate control minimizes traffic congestion in a packet network.
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Alvarez ; III Joseph A. (Damascus MD) Bensadon Joseph M. (Germantown MD) Brennen John F. (Gaithersburg MD) Krug Robert W. (Rockville MD), Dynamically variable priority, variable position channels in a TDMA burst.
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Kuzmik, Paul T.; Cotta, Leo J., Facsimile communications interface adapter.
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Harris Scott C. (7988 Foxmoor Dr. Dunn Loring VA 22027), Facsimile machine time shifting and converting apparatus.
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Morton ; Jr. Alfred C. (Oceanport NJ), Facsimile machine transmission rate fall-back arrangement.
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Rosen Harold A. (Washington DC) Reinhardt Victor S. (Rancho Palos Verdes CA) Strodtbeck Andrew L. (El Segundo CA) Vollbrecht Jennifer L. (Hermosa Beach CA), Frequency reuse technique for a high data rate satellite communication system.
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Liebowitz Burt ; Sweeney Steven ; Arens Heinrich,DEX ; Thaller Franz,DEX, Full mesh satellite-based multimedia networking system.
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Yasunaga Satosi (Tokyo JPX) Usuki Katsunori (Tokyo JPX), High efficiency speech coding apparatus and transit switching system employing the same.
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Yaguchi Tatsuya (Kanagawa JPX) Yoshida Takehiro (Tokyo JPX), Image communication system, and image communication apparatus and modem used in the system.
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Varghese George (Bradford MA) Szmauz Richard L. (New Ipswich NH) Smith Andrew J. (Watertown MA) Fine Michael (San Francisco CA), Integrated communication link having a dynamically allocatable bandwidth and protocol for transmission of allocation inf.
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Medina Mitchell (Essex Fells NJ), Integrated telefacsimile and character communication system with standard and high speed modes.
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McDonald John C. (Los Altos CA) Baichtal James R. (Los Altos CA) Helliwell Bradley A. (Los Gatos CA) Ling Alexander C. (Mountain View CA) Schaffter Craig P. (Sunnyvale CA), Integrated telephone transmission and switching system.
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Merakos Lazaros (Arlington MA) Jangi Shrirang (Germantown MD) Li Fayu (Waltham MA), Method and apparatus for providing mixed voice and data communication in a time division multiple access radio communica.
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Padovani Roberto (San Diego CA) Tiedemann ; Jr. Edward G. (San Diego CA) Weaver ; Jr. Lindsay A. (San Diego CA) Butler Brian K. (Cardiff CA), Method and apparatus for the formatting of data for transmission.
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Anderson Gary B. ; Peterson Peter O., Method and system for data link expansion or contraction using spread spectrum TDMA communication.
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Kaku Takashi (Tama JPX) Okita Ryoji (Kawasaki JPX) Inoue Masayoshi (Kawasaki JPX) Kudo Shozo (Yokohama JPX), Method of signal transmission with selected signal transmission rate.
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Ahmed Allam Z. (Santa Clara County CA), Negotiation method and apparatus enabling a facsimile machine to use async data communication protocols.
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Bradshaw, Robert H.; Edinger, Dennis L.; Hinshaw, David L.; Lenk, Pedro A.; McKinney, Thomas H.; Shah, Jayantkumar R., Programmable port sense and control signal preprocessor for a central office switching system.
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Nakano Motohiro (Ome JPX) Shirakawa Masakazu (Kawasaki JPX), Radio communication system.
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Ashby ; III James C. (Priddy TX) Burkhart Clark (Azle TX) Favors Frankie B. (Ft. Worth TX) Tiemann Roy G. (Priddy TX) Vandaveer Robert L. (Portsville TX) Krause ; Jr. Lothar A. (Irving TX), Retrofittable encryption/decryption apparatus using modified frequency modulation.
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Andersen, David P.; Hedin, Raymond C.; Siebenand, John F., Speech sampling and companding device.
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Paneth Eric (San Diego CA) Handzel Mark J. (San Diego CA) Morley Steven A. (San Diego CA) Avis Graham M. (San Diego CA), Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or.
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Paneth Eric,ILX ; Handzel Mark J. ; Morley Steven Allan ; Avis Graham M., Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or.
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Morita Takashi (Yokohama JPX) Hirai Koji (Yokohama JPX) Kusaba Akira (Yokohama JPX), Time division exchange system having functions of compressing and expanding information.
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Kadokawa Yuichi (Tokyo JPX) Uchiyama Hiroki (Yokohama JPX) Yamada Wasaku (Mitaka JPX), Voice signal coding method.
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이 특허를 인용한 특허 (11) 인용/피인용 타임라인 분석

Kurtz,Scott David, Base station for compressing and transmitting high speed data.
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Herring, Christopher M.; Feekes, Dannie G.; Silva Sousa, Alexandre Jose C., DECT-like system and method of transceiving information over the industrial-scientific-medical spectrum.
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Awater, Geert Arnout; Van Nee, D. J. Richard, Decoding techniques for multi-antenna systems.
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Awater,Greet Arnout; Van Nee,D. J. Richard, Decoding techniques for multi-antenna systems.
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Kurtz, Scott David, Method and apparatus for compressing and transmitting high speed data.
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Kurtz, Scott David, Method and apparatus for compressing and transmitting ultra high speed data.
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Kurtz, Scott David, Method and apparatus for compressing and transmitting ultra high speed data.
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Kurtz, Scott David, Method and apparatus for compressing and transmitting ultra high speed data.
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Kurtz,Scott D., Method for base station compressing and transmitting high speed data.
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Kurtz, Scott David, Subscriber unit for compressing and transmitting high speed data.
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Herring,Christopher M.; Feekes,Dannie G., System and method for concurrent wireless voice and data communications.
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[미국특허] Method and apparatus for compressing and transmitting high speed data 원문보기

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[미국특허] Method and apparatus for compressing and transmitting high speed data 원문보기

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