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Cellular/satellite communications system with improved frequency re-use 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04B-071/85
출원번호 US-0602707 (1996-02-16)
발명자 / 주소
  • Dent Paul W.,SEX
출원인 / 주소
  • Ericsson Inc.
대리인 / 주소
    Burns, Doane, Swecker & Mathis, L.L.P.
인용정보 피인용 횟수 : 223  인용 특허 : 42

초록 ▼

Radiocommunication systems and methods for minimizing co-channel interference are disclosed. The systems and methods are applicable to, for example, landmobile communications, satellite communication systems and hybrids thereof. Signal processing using matrix models of received and transmitted signa

대표청구항 ▼

[ What is claimed is:] [1.] A coherent satellite transponder for transponding a plurality of signals received from a ground station comprising:a corresponding plurality of receiving means for receiving said signals using frequency or phase modulation on a corresponding number of carrier frequencies

이 특허에 인용된 특허 (42)

  1. Cances Jean-Pierre (Toulouse FRX) Maral Grard (Goyrans FRX) Coulomb Bernard (Toulouse FRX) Lenormand Rgis (Blagnac FRX), Antenna beam coverage reconfiguration.
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  2. Gilhousen Klein S. (San Diego CA) Antonio Franklin P. (Del Mar CA), CDMA microcellular telephone system and distributed antenna system therefor.
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  3. Wang Theresa C. Y. (Scottsdale AZ) Moritz Steven H. (Phoenix AZ), Call processing using logical channel assignments.
    상세보기
  4. Wang Theresa C. Y. (Scottsdale AZ) Leopold Raymond J. (Colorado Springs CO) Moritz Steven H. (Phoenix AZ), Call setup method for use with a network having mobile end users.
    상세보기
  5. Dent Paul W.,SEX, Cellular/satellite communications systems with improved frequency re-use.
    상세보기
  6. Wachs Marvin R. (Rockville MD) Berman Arnold (Kensington MD), Communication satellite transponder interconnection utilizing variable bandpass filter.
    상세보기
  7. Clark Edward T. (Plantation FL), Communication system with adaptive transceivers to control intermodulation distortion.
    상세보기
  8. Arnold Hamilton W. (Tinton Falls NJ), Digital satellite system and method for serving users of differing capacities.
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  9. Nagashima Noriaki (Tokyo JPX), Dynamic channel assignment cordless telecommunication network.
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  10. Thompson James D. (Manhattan Beach CA), Equal power amplifier system for active phase array antenna and method of arranging same.
    상세보기
  11. Argo Paul E. (Los Alamos) Fitzgerald T. Joseph (Los Alamos NM), Fading channel simulator.
    상세보기
  12. 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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  13. Noreen Gary (Pasadena CA) Harper Theodore R. (Long Beach CA), Integrated radio satellite response system and method.
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  14. DiFonzo Daniel F. (Rockville MD), Interference reduction circuit.
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  15. Pelchat Guy M. (Melbourne FL) Powers Stephen G. (Indian Harbour Beach FL) Cobb Raymond F. (Melbourne Beach FL) Hildebrand Robert C. (Indialantic FL), Low-power access technique for certain satellite transponders.
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  16. Su Chun-Meng (Lafayette CA) Behtash Saman (Berkeley CA) Jarett Keith (Oakland CA), Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit.
    상세보기
  17. Russell Steven P. (Palo Alto CA), Method and apparatus for increasing the capacity of a satellite transponder by reuse of bandwidth.
    상세보기
  18. Falconer David D. (Nepean CAX) Ling Fuyun (Jamaica Plain MA), Method and apparatus for using orthogonal coding in a communication system.
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  19. Green James A. (Rte. 4 ; Box 402 Tallahassee FL 32304) Hearn Brian F. (1555 Delaney Dr. ; Apt. 414 Tallahassee FL 32308), Method and system for receiving and distributing satellite transmitted television signals.
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  20. Benner Frank D. (Calgary CAX), Method for assigning telecommunications channels in a cellular telephone system.
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  21. Gerlach Derek (Los Altos Hills CA) Paulraj Arogyaswami J. (Stanford CA), Method for minimizing cross-talk in adaptive transmission antennas.
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  22. Bertiger Bary R. (Scottsdale AZ) Leopold Raymond J. (Colorado Springs CO) Peterson Kenneth M. (Phoenix AZ), Method of predicting cell-to-cell hand-offs for a satellite cellular communications system.
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  23. Ichiyoshi Osamu (Tokyo JPX), Mobile satellite communication system.
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  24. Csongor Rezso J. (King of Prussia PA) Tangradi Leroy J. (Bellmawr NJ), Multi-feed, multi-channel communication system.
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  25. Arnold ; Hamilton W. ; Tillotson ; LeRoy C. ; Young ; Jr. ; James A., Multibeam, digitally modulated, time division, switched satellite communications system.
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  26. Assal Francois T. (Bethesda MD) Evans John V. (Gaithersburg MD) Mahle Christoph E. (Washington DC) Zaghloul Amir I. (Bethesda MD) Gupta Ramesh K. (Rockville MD), Multiple spot-beam systems for satellite communications.
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  27. Kane John R. (Wellington FL), Nationwide satellite message delivery system.
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  28. Katznelson Ron D. (3913 Caminito Del Mar Surf San Diego CA 92130), Optimal signal synthesis for distortion cancelling multicarrier systems.
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  29. Thompson James D. (Manhattan Beach CA), Plural frequency matrix multiplexer.
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  30. Durboraw ; III Isaac N. (Scottsdale AZ), Position aided subscriber unit for a satellite cellular system.
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  31. Bustamante Herman A. (Cupertino CA) Lemon John A. (San Jose CA) Stapor Harry J. (West Melbourne FL), Power control system for satellite communications.
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  32. Scharla-Nielsen Hans (Palm Bay FL) Perkins Frank A. (Melbourne FL), Real-time adaptive power control in satellite communications systems.
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  33. Rosen Harold A. (Santa Monica CA), Satellite communications system having multiple downlink beams powered by pooled transmitters.
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  34. Acampora Anthony (Freehold NJ) Reudink Douglas O. (Sea Girt NJ) Yeh Yu S. (Freehold Township ; Monmouth County NJ), Satellite communications system with frequency channelized beams.
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  35. Woodworth Donald J. (Ocala FL) Ziegler Frank A. (Ocala FL) Grabenstein James B. (Ocala FL), Satellite data transmission and receiving station.
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  36. Marshall Darrell R. (Ocala FL) O\Cull Douglas (Ocala FL) Mahani Farid (Ocala FL), Satellite receiver and acquisiton system.
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  37. Kawai Makoto (Yokohama JPX), Satellite relay system.
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  38. Carson Lansing M. (Temple AZ), Simplified frequency scheme for coherent transponders.
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  39. Renshaw Kenneth H. (Manhattan Beach CA) Murphy Timothy A. (Redondo Beach CA), Steerable beam antenna system using butler matrix.
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  40. Paneth Eric (Givataijm CA ILX) 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 singals simultaneously over either a single or.
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  41. Delprat Marc (Le Chesnay FRX) Dornstetter Jean-Louis (Plaisir FRX) Mege Philippe (Bourg-La-Reine FRX), TDMA radio-communication method.
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  42. Havel Christophe (6 ; mail R. Menand 92130 Issy-Les-Moulineaux FRX) Mazziotto Grald (7 ; rue Cadix 75015 Paris FRX), Transmission power control device in a radio communication transmitting/receiving station.
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  99. McHenry, Mark A.; Dain, Dmitry; Livsics, Jevgenijs; Steadman, Karl; Ritterbush, Olga, Methods for using a detector to monitor and detect channel occupancy.
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  100. McHenry, Mark Allen; Dain, Dmitry; Livis, Eugene; Steadman, Karl; Ritterbush, Olga, Methods for using a detector to monitor and detect channel occupancy.
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  101. McHenry, Mark Allen; Dain, Dmitry; Livis, Eugene; Steadman, Karl; Ritterbush, Olga, Methods for using a detector to monitor and detect channel occupancy.
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  102. McHenry, Mark Allen; Dain, Dmitry; Livis, Eugene; Steadman, Karl; Ritterbush, Olga, Methods for using a detector to monitor and detect channel occupancy.
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  103. Dutta, Santanu, Methods of ground based beamforming and on-board frequency translation and related systems.
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  104. Karabinis, Peter D., Methods of reducing interference including applying weights to provide correction signals and related systems.
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  105. Karabinis, Peter D., Methods of reducing interference including calculation of weights based on errors and related systems.
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  106. Karabinis, Peter D., Methods of reducing interference including determination of feeder link signal error and related systems.
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  107. Karabinis, Peter D., Methods, radioterminals, and ancillary terrestrial components for communicating using spectrum allocated to another satellite operator.
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  108. Karabinis, Peter D., Modification of transmission values to compensate for interference in a satellite down-link communications.
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  109. Karabinis,Peter D., Multi-band/multi-mode satellite radiotelephone communications systems and methods.
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  110. Palacin, Baptiste; Deplancq, Xavier, Multi-beam telecommunication antenna onboard a high-capacity satellite and related telecommunication system.
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  111. Monsen,Peter, Multiple access system and method for multibeam digital radio systems.
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  112. Monsen,Peter, Multiple access system and method for multibeam digital radio systems.
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  113. Monsen,Peter, Multiple access technique for downlink multibeam digital radio systems.
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  114. Chang,Donald C. D.; Lim,Wah L.; Chang,Ming U., Multiple basestation communication system having adaptive antennas.
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  115. Churan,Gary G., Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates.
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  116. Churan,Gary G., Network-assisted global positioning systems, methods and terminals including doppler shift and code phase estimates.
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  117. Mathews, Kirk; Gates, Dirk; Rydalch, Michael, Node fault identification in wireless LAN access points.
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  118. Tee, Lai King; Song, Yi; Wang, Neng, Performance for a multiple antenna beamforming cellular network.
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  119. Tee, Lai King; Song, Yi; Wang, Neng, Performance for a multiple antenna beamforming cellular network.
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  120. Nabar, Rohit U.; Zhang, Hongyuan, Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems.
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  121. Nabar, Rohit U.; Zhang, Hongyuan, Power amplifier adjustment for transmit beamforming in multi-antenna wireless systems.
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  122. Karabinis, Peter D., Prediction of uplink interference potential generated by an ancillary terrestrial network and/or radioterminals.
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  123. Karabinis, Peter D., Providing different transmit and/or receive modes in different sectors of a wireless base station.
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  124. Miyoshi,Kenichi; Uesugi,Mitsuru, Radio receiving device and radio receiving method.
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  125. Karabinis, Peter D., Radiotelephones and operating methods that use a single radio frequency chain and a single baseband processor for space-based and terrestrial communications.
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  126. Levin,Lon C.; Karabinis,Peter D., Radioterminals and associated operating methods that alternate transmission of wireless communications and processing of global positioning system signals.
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  127. Levin, Lon C.; Karabinis, Peter D., Radioterminals and associated operating methods that transmit position information responsive to change/rate of change of position.
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  128. Levin, Lon C.; Karabinis, Peter D., Radioterminals and associated operating methods that transmit position information responsive to rate of change of position.
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  129. Karabinis, Peter D., Radioterminals and operating methods that receive multiple measures of information from multiple sources.
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  130. Karabinis, Peter D., Radioterminals including satellite interlocks and related methods.
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  131. Karabinis, Peter D., Radioterminals including satellite/hands-free interlocks and related methods.
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  132. Wu Shih-Chang ; Copeland Wilbert B., Reconfigurable analog channel processor for multibeam satellites.
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  133. Evans, Richard O.; Karabinis, Peter D., Reducing interference in a wireless communications signal in the frequency domain.
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  134. Jacks, Eric Claudis, Retaining traffic channel assignments for satellite terminals to provide lower latency communication services.
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  135. Good, Alexander H.; King, Charlene J.; Swank, Eric A.; Kundra, Monish; Karabinis, Peter D., Reusing frequencies of a fixed and/or mobile communications system.
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  136. Good, Alexander H.; King, Charlene J.; Swank, Eric A.; Kundra, Monish; Karabinis, Peter D., Reusing frequencies of a fixed and/or mobile communications system.
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  137. Harverson, Michael, Routing of downlink channels in a communications satellite.
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  138. Chang,Donald C. D.; Yung,Kar W.; Von der Embse,Urban A., Sampling technique for digital beam former.
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  139. Karabinis,Peter D.; Bogatin,Boris; Deobald,Brian M.; Dutta,Santanu, Satellite assisted push-to-send radioterminal systems and methods.
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  140. Karabinis, Peter D.; Bogatin, Boris; Deobald, Brian M.; Dutta, Santanu, Satellite assisted radioterminal communications systems and methods.
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  141. Karabinis, Peter D., Satellite communications apparatus and methods using asymmetrical forward and return link frequency reuse.
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  142. Karabinis, Peter D., Satellite communications systems and methods using diverse polarizations.
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  143. Karabinis, Peter D.; Dutta, Santanu; Churan, Gary G., Satellite communications systems and methods using radiotelephone.
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  144. Karabinis, Peter D.; Dutta, Santanu; Churan, Gary G., Satellite communications systems and methods using radiotelephone location-based beamforming.
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  145. Karabinis, Peter D., Satellite communications systems and methods using substantially co-located feeder link antennas.
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  146. Karabinis, Peter D., Satellite communications systems and methods with distributed and/or centralized architecture including ground-based beam forming.
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  147. Karabinis, Peter D., Satellite communications systems, components and methods for operating shared satellite gateways.
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  148. Karabinis,Peter D., Satellite radiotelephone systems providing staggered sectorization for terrestrial reuse of satellite frequencies and related methods and radiotelephone systems.
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  149. Karabinis, Peter D., Satellite radiotelephone systems, methods, components and devices including gated radiotelephone transmissions to ancillary terrestrial components.
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  150. Karabinis, Peter D., Satellite with different size service link antennas and radioterminal communication methods using same.
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  151. Nasta, Rodolphe, Satellite with omnidirectional coverage.
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  152. Karabinis, Peter D.; Dutta, Santanu, Satellite-band spectrum utilization for reduced or minimum interference.
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  153. Karabinis, Peter D.; Dutta, Santanu, Satellite-band spectrum utilization for reduced or minimum interference.
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  154. Karabinis, Peter D., Satellite/hands-free interlock systems and/or companion devices for radioterminals and related methods.
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  155. Karabinis, Peter D., Satellite/terrestrial wireless communications systems and methods using disparate channel separation codes.
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  156. Karabinis, Peter D., Satellite/terrestrial wireless communications systems and methods using disparate channel separation codes.
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  157. Kleider, John Eric; Arneson, Steve Henry; Chuprun, J. Scott; Nolan, Keith Matthew; Hughes, Derrick Duane, Signal acquisition methods and apparatus in wireless communication systems.
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  158. Lee, Hwansun, Signal processing device for distributed antenna system.
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  159. Jard,Alexandre; El Homsi,Hassan El Nahas; Abdi,Moussa, Signal processing method and apparatus for a spread spectrum radio communication receiver.
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  160. Karabinis,Peter D.; Agnew,Carson E., Space-based network architectures for satellite radiotelephone systems.
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  161. Karabinis, Peter D., Spatial guardbands for terrestrial reuse of satellite frequencies.
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  162. Karabinis, Peter D., Staggered sectorization for terrestrial reuse of satellite frequencies.
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  163. Chang, Donald C. D.; Lim, Wah L.; Chang, Ming U., Stratospheric platforms communication system using adaptive antennas.
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  164. Chang, Donald C. D.; Cha, Alan, Stratospheric-based communication system for mobile users having adaptive interference rejection.
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  165. Chang,Donald C. D.; Cha,Alan; Chen,Jacqueline C.; Hagen,Frank A., Stratospheric-based communication system for mobile users using additional phased array elements for interference rejection.
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  166. Dybdal, Robert B.; Pidhayny, Denny D.; Hinshilwood, Don J., System and method for antenna tracking.
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  167. Horner, Jack Michael; Gates, Dirk Ion; Sauter, Kurt Karl; Miller, Bruce Anthony; Chernyakhovsky, Alexander, System and method for conducting wireless site surveys.
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  168. Hand, Alan Jeffrey; Mathews, James Kirk, System and method for determining the location of a station in a wireless environment.
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  169. Rosen, David B., System and method for managing parallel processing of network packets in a wireless access device.
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  170. McHenry, Mark Allen, System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference.
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  171. McHenry, Mark Allen, System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference.
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  172. McHenry, Mark Allen, System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference.
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  173. McHenry, Mark Allen, System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference.
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  174. McHenry, Mark Allen, System and method for reuse of communications spectrum for fixed and mobile applications with efficient method to mitigate interference.
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  175. Gates, Dirk Ion; Mathews, James Kirk, System for allocating channels in a multi-radio wireless LAN array.
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  176. Gates, Dirk Ion; Mathews, James Kirk, System for allocating channels in a multi-radio wireless LAN array.
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  177. Karabinis, Peter D., Systems and method with different utilization of satellite frequency bands by a space-based network and an ancillary terrestrial network.
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  178. Dain, Dmitry; Bazarov, Igor; Livis, Eugene; McHenry, Mark Allen, Systems and methods for a cognitive radio having adaptable characteristics.
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  179. Dain, Dmitry; Bazarov, Igor; Livsics, Jevgenijs; McHenry, Mark, Systems and methods for a cognitive radio having adaptable characteristics.
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  180. Dain, Dmitry; Bazarov, Igor; Livsics, Jevgenijs; McHenry, Mark A., Systems and methods for a cognitive radio having adaptable characteristics.
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  181. Zheng, Dunmin, Systems and methods for adaptive interference cancellation beamforming.
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  182. Fink, Patrick W.; Lin, Gregory Y.; Kennedy, Timothy F.; Ngo, Phong H., Systems and methods for beam forming RFID tags.
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  183. Karabinis, Peter D., Systems and methods for controlling a cellular communications system responsive to a power level associated with a wireless transmitter.
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  184. Karabinis, Peter D., Systems and methods for controlling a level of interference to a wireless receiver responsive to a power level associated with a wireless transmitter.
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  185. Karabinis, Peter D., Systems and methods for controlling a level of interference to a wireless receiver responsive to an activity factor associated with a wireless transmitter.
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  186. Karabinis, Peter D., Systems and methods for controlling base station sectors to reduce potential interference with low elevation satellites.
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  187. Zheng, Dunmin, Systems and methods for forward link closed loop beamforming.
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  188. Dutta,Santanu; Karabinis,Peter D., Systems and methods for handover between space based and terrestrial radioterminal communications.
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  189. Karabinis, Peter D., Systems and methods for inter-system sharing of satellite communications frequencies within a common footprint.
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  190. Karabinis, Peter D., Systems and methods for inter-system sharing of satellite communications frequencies within a common footprint.
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  191. Dutta, Santanu, Systems and methods for mobility management in overlaid mobile communications systems.
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  192. Dutta, Santanu, Systems and methods for mobility management in overlaid mobile communications systems.
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  193. Karabinis, Peter D., Systems and methods for modifying antenna radiation patterns of peripheral base stations of a terrestrial network to allow reduced interference.
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  194. Karabinis, Peter D., Systems and methods for modifying antenna radiation patterns of peripheral base stations of a terrestrial network to allow reduced interference.
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  195. Karabinis, Peter D., Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference.
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  196. Karabinis, Peter D., Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference.
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  197. Karabinis,Peter D., Systems and methods for monitoring selected terrestrially used satellite frequency signals to reduce potential interference.
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  198. Ansari, Arif; Bories, Jean-Michel; Cohen, Michel; Corbel, Erwan, Systems and methods for orthogonal frequency division multiple access (OFDMA) communications over satellite links.
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  199. Karabinis, Peter D., Systems and methods for packing/unpacking satellite service links to/from satellite feeder links.
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  200. Ryan, John J; Speyer, Jason L, Systems and methods for peak-seeking control.
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  201. Karabinis, Peter D., Systems and methods for reducing power robbing impact of interference to a satellite.
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  202. Karabinis, Peter D., Systems and methods for reducing satellite feeder link bandwidth/carriers in cellular satellite systems.
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  203. Zheng, Dunmin, Systems and methods for satellite forward link transmit diversity using orthagonal space coding.
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  204. Karabinis, Peter D.; Churan, Gary G., Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex and/or frequency-division duplex mode.
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  205. Karabinis, Peter D.; Churan, Gary G., Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex and/or frequency-division duplex mode.
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  206. Karabinis, Peter D., Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode.
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  207. Karabinis, Peter D., Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode.
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  208. Karabinis, Peter D., Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode.
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  209. Karabinis, Peter D., Systems and methods for terrestrial reuse of cellular satellite frequency spectrum using different channel separation technologies in forward and reverse links.
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  210. Karabinis, Peter D., Systems and methods for terrestrial use of cellular satellite frequency spectrum.
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  211. Karabinis, Peter D.; Singh, Rajendra, Systems and methods for transmitting electromagnetic energy over a wireless channel having sufficiently weak measured signal strength.
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  212. Cummiskey, J. Terence; Karabinis, Peter D., Systems and methods of waveform and/or information splitting for wireless transmission of information to one or more radioterminals over a plurality of transmission paths and/or system elements.
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  213. Karabinis, Peter D., Systems and methods with different utilization of satellite frequency bands by a space-based network and an ancillary terrestrial network.
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  214. Tronc, Jérome; Calamarte, Christian; Mouly, Michel; Dutta, Santanu, Systems, methods and computer program products for mobility management in hybrid satellite/terrestrial wireless communications systems.
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  215. Dutta, Santanu; Churan, Gary G.; Zheng, Dunmin; Nguyen, Serge, Systems, methods and devices for overlaid operations of satellite and terrestrial wireless communications systems.
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  216. Karabinis, Peter D., Systems, methods and devices for reusing spectrum of another operator.
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  217. Nguyen, Serge; Dutta, Santanu, Systems, methods and network components that provide different satellite spot beam return carrier groupings and reuse patterns.
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  218. Monsen, Peter, Technique for adaptive data rate communication over fading dispersive channels.
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  219. Monsen, Peter, Technique for adaptive equalization in band-limited high data rate communication over fading dispersive channels.
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  220. Monsen,Peter, Technique for adaptive multiuser equalization in code division multiple access systems.
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  221. Tee, Lai King; Song, Yi; Wang, Neng, Weighting matrix selection based on information acquired from remote station.
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  222. Gates, Dirk Ion; Mathews, James Kirk, Wireless access point.
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  223. Hartenstein, Abraham, Wireless local area network antenna array.
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