多波束通信卫星相关的专利数据

序号	专利名	申请号	申请日	公开（公告）号	公开（公告）日	发明人
121	GLOBAL COMMUNICATION SYSTEM	US12889629	2010-09-24	US20110068972A1	2011-03-24	Brian McCandliss
A global communication satellite system includes at least three communication satellites. Each communication satellite is disposed in a geostationary orbit about the Earth. Each communication satellite also includes a feed horn array having at least 4,000 feed horns with each feed horn capable of transmitting at least one radio frequency (RF) signal. The feed horn array produces a plurality of spot beams with each spot beam corresponding to a spot beam area on the surface of the Earth. Each spot beam area has a generally circular shape with a diameter less than 150 miles. Furthermore, each spot beam area overlaps with a plurality of other spot beams areas such that plurality of spot beams provide saturation coverage of all populated land areas of the Earth.
122	Broadband communication system for mobile users in a satellite-based network	US11937307	2007-11-08	US07750863B2	2010-07-06	Ellen K Wesel
A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signals utilizing a plurality of spot beams to and from a plurality of coverage areas at a predetermined range of frequencies. The system also includes a plurality of user terminals for transmitting and receiving signals to and from the plurality of communications satellites at the predetermined range of frequencies and at one of the first plurality of data rates. Each of the user terminals having a steerable antenna for tracking relative movement of each of the user terminals with respect to each of the plurality of communications satellites and for tracking movement of each of the plurality of communications satellites in order to maintain communications with the plurality of communications satellites.
123	BROADBAND COMMUNICATION SYSTEM FOR MOBILE USERS IN A SATELLITE-BASED NETWORK	US11937307	2007-11-08	US20080064328A1	2008-03-13	Ellen Wesel
A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signals utilizing a plurality of spot beams to and from a plurality of coverage areas at a predetermined range of frequencies. The system also includes a plurality of user terminals for transmitting and receiving signals to and from the plurality of communications satellites at the predetermined range of frequencies and at one of the first plurality of data rates. Each of the user terminals having a steerable antenna for tracking relative movement of each of the user terminals with respect to each of the plurality of communications satellites and for tracking movement of each of the plurality of communications satellites in order to maintain communications with the plurality of communications satellites.
124	Method and system for providing wideband communications to mobile users in a satellite-based network	US867197	1997-06-02	US6032041A	2000-02-29	S. Lynne Wainfan; Ellen K. Wesel; Michael S. Pavloff; Arthur W. Wang
A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signals utilizing a plurality of spot beams to and from a plurality of coverage areas at a predetermined range of frequencies. The system also includes a plurality of user terminals for transmitting and receiving signals to and from the plurality of communications satellites at the predetermined range of frequencies and at one of the first plurality of data rates. Each of the user terminals having a steerable antenna for tracking relative movement of each of the user terminals with respect to each of the plurality of communications satellites and for tracking movement of each of the plurality of communications satellites in order to maintain communications with the plurality of communications satellites.
125	Earth station device and method for controlling earth station device	JP2012250353	2012-11-14	JP2014099755A	2014-05-29	SUZUKI YOSHINORI; SUZAKI KOHEI; HIROSE TAKASHI; SUGIYAMA TAKATOSHI
PROBLEM TO BE SOLVED: To reduce the amount of interference to an adjacent communication satellite in an earth station device communicating with a communication satellite by operating a plurality of antennas in cooperation, even when the earth station device uses an antenna having so small an opening diameter that an adjacent communication satellite exists in the main beam.SOLUTION: The earth station device is provided with means for adjusting a plurality of antennas to a prescribed antenna interval corresponding to the opening diameter and the number of transmission signal frequencies, and thereby having the zero point of the composite radiation pattern of the plurality of antennas matched to the direction of a communication satellite adjacent to a communication satellite with which communicating. Furthermore, the earth station device is provided with means which, when the plurality of antennas have an error regarding the prescribed antenna interval, performs phase compensation suitable for the error regarding the prescribed antenna interval on transmitted signals from the plurality of antennas, and thereby causes the zero point of the composite radiation pattern of the plurality of antennas to match with the direction of the adjacent communication satellite.
126	Method and system for providing wideband communications to mobile users in a satellite-based network	US09395903	1999-09-14	US06339707B1	2002-01-15	S. Lynne Wainfan; Ellen K. Wesel; Michael S. Pavloff; Arthur W. Wang
A satellite-based communications system operating at high data rates includes a plurality of satellites each having uplink and downlink antennas for transmitting and receiving a plurality of signal utilizing a plurality of spot beams to and from a plurality of coverage areas at a predetermined range of frequencies. The system also includes a plurality of user terminals for transmitting and receiving signals to and from the plurality of communications satellites at the predetermined range of frequencies and at one of the first plurality of data rates. Each of the user terminals having a steerable antenna for tracking relative movement of each of the user terminals with respect to each of the plurality of communications satellites are for tracking movement of each of the plurality of communications satellites in order to maintain communications with the plurality of communications satellite.
127	Method and apparatus for controlling spot beam configurations for a communications satellite	EP02000705.0	2002-01-11	EP1223691A2	2002-07-17	Harmon, Garrick J.; Linsky, Stuart T; Brundrett, David L.
A communications satellite method and are provided for controlling a configuration of spot beams produced by a communications satellite. A plurality of spot beams are generated by a communications satellite while maintained at a first orbital position with respect to a first portion of the earth. The plurality of spot beams are configured in a first cell pattern to substantially encompass a first portion of the Earth. The satellite is moved to a second orbital position with respect to a second portion of the earth. Once moved, the satellite is reconfigured such that a second plurality of spot beams form a second pattern 85 to substantially cover the new portion of the earth of interest. A network of switches allows the satellite 10 to be reconfigured for operation from multiple orbital positions. The switching network directs individual feeds to different signal paths having different bandwidth and power capabilities.
128	Method and apparatus for controlling spot beam configurations for a communications satellite	US09759659	2001-01-12	US20020093451A1	2002-07-18	Garrick J. Harmon; Stuart T. Linsky; David L. Brundrett
A communications satellite method and are provided for controlling a configuration of spot beams produced by a communications satellite. A plurality of spot beams are generated by a communications satellite while maintained at a first orbital position with respect to a first portion of the earth. The plurality of spot beams are configured in a first cell pattern to substantially encompass a first portion of the Earth. The satellite is moved to a second orbital position with respect to a second portion of the earth. Once moved, the satellite is reconfigured such that a second plurality of spot beams form a second pattern 85 to substantially cover the new portion of the earth of interest. A network of switches allows the satellite 10 to be reconfigured for operation from multiple orbital positions. The switching network directs individual feeds to different signal paths having different bandwidth and power capabilities.
129	Method and system for providing satellite coverage using fixed spot beams and scanned spot beams	US09159332	1998-09-23	US06272317B1	2001-08-07	Sam W. Houston; Carl S. Anselmo; Daniel P. Sullivan
A satellite-based communications system operating at high data rates includes a plurality of communications satellites each having an uplink and a downlink antenna for receiving and transmitting a plurality of spot beams which may be fixed or scanned. The fixed beams may be directed to areas of high satellite use. The scanned beams may be rapidly scanned between areas of use insufficient to support a dedicated beam. The scanned beam allows potentially nearly ubiquitous coverage by using high frequency beams. To rapidly scan, beam forming networks have a plurality of phase coefficients that may be changed so that the angle of the beam may change. A controller coupled to the beam forming network may be used to change the phase coefficients in response to beam inputs such as the desired beam and configurations of the other beams on the satellite.
130	Method and system for providing satellite coverage using fixed spot beams and scanned spot beams	US80091901	2001-03-05	US6336030B2	2002-01-01	HOUSTON SAM W; ANSELMO CARL S; SULLIVAN DANIEL P
A satellite-based communications system operating at high data rates includes a plurality of communications satellites each having an uplink and a downlink antenna for receiving and transmitting a plurality of spot beams which may be fixed or scanned. The fixed beams may be directed to areas of high satellite use. The scanned beams may be rapidly scanned between areas of use insufficient to support a dedicated beam. The scanned beam allows potentially nearly ubiquitous coverage by using high frequency beams. To rapidly scan, beam forming networks have a plurality of phase coefficients that may be changed so that the angle of the beam may change. A controller coupled to the beam forming network may be used to change the phase coefficients in response to beam inputs such as the desired beam and configurations of the other beams on the satellite.
131	Beam automatic selection switching method in multi-beam satellite communication system and apparatus for same	US08703907	1996-08-27	US06421526B1	2002-07-16	Kozo Banno
A position-beam correspondence data table in which a plurality of areas on the ground and beams from the communication satellite each covering each area are correlated to each other is previously prepared, a current position of the mobile satellite communication terminal is computed by a position computing means at a point of time when the mobile satellite communication terminal is not executing communications such as when a power for the mobile satellite communication terminal is turned ON, or when a prespecified key is pressed down, a beam corresponding to the computed current position is red out from said position-beam correspondence data table, a beam to be used in the area including the current position is decided, and a beam switch request command for switching to this beam is transmitted to the communication satellite.
132	Adaptive control of multiple beam communication transponders	US993923	1997-12-19	US6055431A	2000-04-25	Robert B. Dybdal
An adaptive method controls the operation of multiple beam antenna systems used in communication satellite transponders. This method adaptively controls the coverage area assignments, frequency assignments, transmitted power level assignments, and component allocation assignments of these multiple beam antenna transponders in response to the existing and time varying demands for satellite resources. The method adaptively controls and manages the operation of the satellite transponders to optimize the overall capacity of the communication satellite.
133	Satellite multiple address communication system	JP18046784	1984-08-31	JPS6159921A	1986-03-27	MIZUNO TOSHIRO; EGUCHI MASATO
PURPOSE:To realize an economical satellite multiple address communication system by using a multi-beam satellite line for 1:1 communication and using the multi-beam satellite line and a single beam satellite line for multiple address communication. CONSTITUTION:A single beam satellite communication transmitter 3 and a multi-beam satellite communication receiver 22 are mounted on a communication satellite 1 and an exchange 2 for line connection is provided between repeaters of them. A multi-beam line is used for an incoming line from a sender station 11 to the satellite 1. The reception information received by the receiver 22 is connected to a desired single beam satellite line by the exchange 21 and transmitted to plural incoming stations 12-14 by multiple address. In making 1:1 communication between, for example, the sender station 11 and the incoming station 12, an idle line among multi-beam satellite lines assigned to the beam area belonging to the incoming station 12 is selected.
134	Mobile communication satellite payload	EP93306546.8	1993-08-19	EP0624008A2	1994-11-09	Hirschfield, Edward; Tsao, Chich-Hsing Alex
A communications satellite payload provides for efficient communications between user devices, such as hand held cellular telephones, and terrestrial gateways that may be connected to world-wide public telephone and telegraph (PTTs) networks. The satellite payload simultaneously supports a plurality of independent antenna beams, for example 12 or 16 beams, on both the uplink and downlink for user devices employing full duplex communications. The satellite payload furthermore supports an identical number of full duplex channels between a terrestrial gateway and the satellite. The communications satellite payload is carried by one satellite of a plurality of such satellites in a low earth orbit (LEO) constellation to provide world-wide communications. Downlink beam forming occurs prior to final amplification of transmitted signals, thereby reducing losses within the beam forming equipment. A multi-element phased array of receiving antennas and a multi-element phased array of transmitting antennas is also disclosed, wherein each element of each phased array is utilized for each individual one of a plurality of received or transmitted beams.
135	Satellite communication system with gateway switch networks	US09871075	2001-05-31	US06898428B2	2005-05-24	Michael Thorburn; Craig Ziegler; Stephen C. Holme
A communication system having gateway filter and switching networks in forward and return channels of a frequency reuse communication satellite. The system couples subscriber terminals to the Internet or other terrestrial network by way of one or more gateways. The system cross-straps gateway-to-user beam connectivity provided by the communication satellite to allow full coverage of all user beams with a subset of the gateways having reduced frequency reuse. An exemplary system comprises a communication satellite having a return channel and a forward channel. One or more gateways are coupled to the Internet or other terrestrial network and communicate with subscriber terminals by way of the return and forward channels provided by the satellite. The return and forward channels each comprise a filter and switching network that selectively couple signals between the one or more gateways and the subscriber terminals. The filter and switching networks selectively couples signals between selected gateways and selected subscriber terminals using predetermined beams.
136	Satellite communication system with gateway switch networks	US09871075	2001-05-31	US20020183057A1	2002-12-05	Michael Thorburn; Craig Ziegler; Stephen C. Holme
A communication system having gateway filter and switching networks in forward and return channels of a frequency reuse communication satellite. The system couples subscriber terminals to the Internet or other terrestrial network by way of one or more gateways. The system cross-straps gateway-to-user beam connectivity provided by the communication satellite to allow full coverage of all user beams with a subset of the gateways having reduced frequency reuse. An exemplary system comprises a communication satellite having a return channel and a forward channel. One or more gateways are coupled to the Internet or other terrestrial network and communicate with subscriber terminals by way of the return and forward channels provided by the satellite. The return and forward channels each comprise a filter and switching network that selectively couple signals between the one or more gateways and the subscriber terminals. The filter and switching networks selectively couples signals between selected gateways and selected subscriber terminals using predetermined beams.
137	Mobile communication satellite payload	US382884	1995-02-02	US5623269A	1997-04-22	Edward Hirshfield; Chich-Hsing A. Tsao
A communications satellite payload provides for efficient communications between user devices, such as hand held cellular telephones, and terrestrial gateways that may be connected to world-wide public telephone and telegraph (PTTs) networks. The satellite payload simultaneously supports a plurality of independent antenna beams, for example 12 or 16 beams, on both the uplink and downlink for user devices employing full duplex communications. The satellite payload furthermore supports an identical number of full duplex channels between a terrestrial gateway and the satellite. The communications satellite payload is carried by one satellite of a plurality of such satellites in a low earth orbit (LEO) constellation to provide worldwide communications. Downlink beam forming occurs prior to final amplification of transmitted signals, thereby reducing losses within the beam forming equipment. A multi-element phased array of receiving antennas and a multi-element phased array of transmitting antennas is also disclosed, wherein each element of each phased array is utilized for each individual one of a plurality of received or transmitted beams.
138	Mobile communication satellite payload	US60207	1993-05-07	US5422647A	1995-06-06	Edward Hirshfield; Chich-Hsing A. Tsao
A communications satellite payload provides for efficient communications between user devices, such as hand held cellular telephones, and terrestrial gateways that may be connected to world-wide public telephone and telegraph (PTTs) networks. The satellite payload simultaneously supports a plurality of independent antenna beams, for example 12 or 16 beams, on both the uplink and downlink for user devices employing full duplex communications. The satellite payload furthermore supports an identical number of full duplex channels between a terrestrial gateway and the satellite. The communications satellite payload is carried by one satellite of a plurality of such satellites in a low earth orbit (LEO) constellation to provide worldwide communications. Downlink beam forming occurs prior to final amplification of transmitted signals, thereby reducing losses within the beam forming equipment. A multi-element phased array of receiving antennas and a multi-element phased array of transmitting antennas is also disclosed, wherein each element of each phased array is utilized for each individual one of a plurality of received or transmitted beams.
139	Mobile communication satellite payload	US383211	1995-02-02	US5548292A	1996-08-20	Edward Hirshfield; Chich-Hsing A. Tsao
A communications satellite payload provides for efficient communications between user devices, such as hand held cellular telephones, and terrestrial gateways that may be connected to world-wide public telephone and telegraph (PTTs) networks. The satellite payload simultaneously supports a plurality of independent antenna beams, for example 12 or 16 beams, on both the uplink and downlink for user devices employing full duplex communications. The satellite payload furthermore supports an identical number of full duplex channels between a terrestrial gateway and the satellite. The communications satellite payload is carried by one satellite of a plurality of such satellites in a low earth orbit (LEO) constellation to provide world-wide communications. Downlink beam forming occurs prior to final amplification of transmitted signals, thereby reducing losses within the beam forming equipment. A multi-element phased array of receiving antennas and a multi-element phased array of transmitting antennas is also disclosed, wherein each element of each phased array is utilized for each individual one of a plurality of received or transmitted beams.
140	IMPROVED SPOT BEAM SATELLITE SYSTEMS	PCT/US2007/079567	2007-09-26	WO2008108885A2	2008-09-12	DANKBERG, Mark, D.; MILLER, Mark, J.; HART, Steven, R.; JASKA, Kristi, Ann; WILSON, Robert
A method is presented for transmitting data in a satellite system having multiple spot beams comprising (1) sending a broadband signal in a forward direction from a gateway terminal to a communications satellite for relay to at least one subscriber terminal, (2) receiving the broadband signal at the communications satellite, wherein the communications satellite comprises a bent pipe repeater having a plurality of satellite-based transmission amplifiers, (3) using one of the plurality of satellite-based transmission amplifiers to amplify the broadband signal and no other broadband signal from the gateway terminal, to produce an amplified broadband signal, (4) sending the amplified broadband signal as one of a plurality of service spot beams to the at least one subscriber terminal, and (5) receiving and retrieving data from the amplified broadband signal at the at least one subscriber terminal.

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