| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dd5e555f057477bb5d0b99773b2661d2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c4f17690be084d095601b8bb2624d842
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_887e125008cf84c53554d9e68cf7f02b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ba6086e320087d5f8e75a93ccde113ff
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7a2dba2a91571bb67f426e2a757c6d2b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ce9d41c6d1bfcbd8401df288ab34712f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8783f99ba531f6e6181186b7c4cd05ef
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_69b380d4514a2c4c9e4adf3d4987957a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_029c2ef92a24aca42b84944ca25d40a8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S19-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04K3-90
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H04K3-255
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S19-21
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S19-05
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S19-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S19-11
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01S19-29 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S19-05
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S19-29
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S19-21
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S5-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S1-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S19-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S19-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01S19-11 |
| filingDate |
2006-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3b699a4fc10f7d18cb311ad466eac911
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_98535c1a0f45b49c63b1708a9759f1bd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2a8fb8e015561915ed4c9564faffbf6f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_da8c303f17d592c3d1402384c1f41cf0
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_88c920931b4640bbb8ab01a20e410b4e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_224b93cc5ae02191a0f2a518d752dc65
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1cfd265d76a7e7a94646249b77f97e2b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0a87cdd62a8ff7cec7cbcc4692dbfd42 |
| publicationDate |
2008-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2008048283-A2 |
| titleOfInvention |
Methods and apparatus for a navigation system with reduced susceptibility to interference and jamming |
| abstract |
A navigation system provides a significant level of protection against all forms of interference or jamming to GPS in a cost-effective way. The system employs a network of ground reference stations and Low Earth Orbiting (LEO) satellites in conjunction with GPS. A common-view ranging geometry to a GPS satellite is established that links a reference station and a user. A second common-view geometry to a LEO satellite between the same reference station and user pair is also established. The ground stations synthesize real-time aiding signals by making carrier phase measurements of GPS the LEO satellite signals. This aiding information is transmitted via the LEO satellites to the user receiver at high power to penetrate ambient jamming. The user receiver locks onto the carrier phase of the LEO satellite, demodulates the aiding information, then applies the carrier phase measurements and the aiding information to enable extended coherent measurements of the GPS signals. The system thereby recovers the GPS signals that would otherwise be lost to the jamming. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9612342-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106443739-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2759392-C1 |
| priorityDate |
2005-11-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |