# US 7,613,225 B1 · System and method for secure communication of collected amphibious data > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,613,225 B1 - Document ID: US7613225B1 - Status: Granted - Kind: B1 - Application number: 11/352,002 - Filed: 2006-02-10 - Published: 2009-10-15 - Granted: 2009-11-03 - Earliest claimed: 2006-02-10 - Assignees: Honeywell International Inc. - Inventors: Jamal Haque; Richard A. Daigler; Edward R. Prado - Web page: https://patentgrep.com/patent/US7613225B1 ## CPC - H04K 3/25: {based on characteristics of target signal or of transmission (as countermeasure against surveillance H04K3/827), e.g. using direct sequence spread spectrum or fast frequency hopping (spread spectrum techniques H04B1/69)} - H04B 1/71635: {Transmitter aspects (H04B1/7174 takes precedence)} - H04B 13/02: Transmission systems in which the medium consists of the earth or a large mass of water thereon, e.g. earth telegraphy - H04K 3/827: {using characteristics of target signal or of transmission (as countermeasure against jamming H04K3/25), e.g. using direct sequence spread spectrum or fast frequency hopping (spread spectrum techniques H04B1/69)} - H04L 9/00: {Cryptographic mechanisms or cryptographic} arrangements for secret or secure communications; Network security protocols - H04K: SECRET COMMUNICATION; JAMMING OF COMMUNICATION - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract A system for secure communication of collected data is provided. The system comprises a data dissemination subsystem, the data dissemination subsystem operable to store and disseminate collected data. The system also comprises a transmitter subsystem coupled to said data dissemination subsystem, said transmitter subsystem operable to encrypt said disseminated collected data, encode said encrypted data to form a plurality of ultra wideband signals, spectrum spread said plurality of ultra wideband signals with a direct sequence spectrum spreading code, and transmit said spread plurality of ultra wideband signals. ## Claims ### Claim 1 A system for secure communication of collected data, comprising: a data dissemination subsystem, said data dissemination subsystem operable to store and disseminate collected data; and a transmitter subsystem coupled to said data dissemination subsystem, said transmitter subsystem operable to encrypt said disseminated collected data, encode said encrypted data to form a plurality of ultra wideband signals, spectrum spread said plurality of ultra wideband signals with a direct sequence spectrum spreading code, and transmit said spread plurality of ultra wideband signals. ### Claim 2 (depends on 1) The system of claim 1, further comprising: a receiver subsystem, said receiver subsystem operable to receive said spread plurality of ultra wideband signals, spectrum despread said received plurality of ultra wideband signals with a direct sequence spectrum despreading code associated with said direct sequence spectrum spreading code, decode said despread plurality of ultra wideband signals to form at least a portion of said encrypted collected data, and decrypt said at least a portion of said encrypted collected data. ### Claim 3 (depends on 2) The system of claim 2, wherein said transmitter subsystem and said receiver subsystem comprise an ultra wideband transceiver subsystem. ### Claim 4 (depends on 1) The system of claim 1, wherein said collected data comprises collected amphibious data. ### Claim 5 (depends on 1) The system of claim 1, wherein said data dissemination subsystem comprises an underwater data collection platform. ### Claim 6 (depends on 1) The system of claim 1, wherein said transmitter subsystem comprises a data encryption unit, a UWB encoder unit, a direct sequence spreader function unit, and a power amplifier unit. ### Claim 7 (depends on 2) The system of claim 2, wherein said receiver subsystem comprises a receiver filter unit, a direct sequence despreader function unit, a UWB decoder, and a data decryption unit. ### Claim 8 (depends on 1) The system of claim 1, wherein said transmitter subsystem includes means for encrypting said collected data. ### Claim 9 (depends on 1) The system of claim 1, wherein said transmitter subsystem includes means for spectrum spreading said collected data. ### Claim 10 (depends on 2) The system of claim 2, wherein said receiver subsystem includes means for spectrum despreading said collected data. ### Claim 11 (depends on 2) The system of claim 2, wherein said receiver subsystem includes means for decrypting said collected data. ### Claim 12 A transmitter system for secure communication of collected data, comprising: means for encrypting disseminated collected data; means, coupled to said means for encrypting, for encoding said encrypted data to form a plurality of ultra wideband signals; means, coupled to said means for encoding, for direct sequence spectrum spreading said plurality of ultra wideband signals; and means, coupled to said means for direct sequence spectrum spreading, for transmitting said direct sequence spread plurality of ultra wideband signals. ### Claim 13 A receiver system for secure communication of collected data, comprising: means for receiving direct sequence spread plurality of ultra wideband signals; means, coupled to said means for receiving, for spectrum despreading said received plurality of ultra wideband signals; means, coupled to said means for spectrum despreading, for decoding said despread plurality of ultra wideband signals to form at least a portion of said encrypted collected data; and means, coupled to said means for decoding, for decrypting said at least a portion of said encrypted collected data. ### Claim 14 A method for secure communication of collected data, comprising the steps of: encrypting collected data; encoding said encrypted data to form a plurality of ultra wideband signals; direct sequence spectrum spreading said plurality of ultra wideband signals; and transmitting said spread plurality of ultra wideband signals. ### Claim 15 (depends on 14) The method of claim 14, wherein: the encrypting step is performed by a processor executing software instructions representing a data encryption algorithm; the encoding step is performed by a UWB encoder; and the spreading step is performed by a processor executing software instructions representing an algorithm for a direct sequence spectrum spreading function. ### Claim 16 A method for secure communication of collected data, comprising the steps of: receiving a plurality of direct sequence spectrum spread ultra wideband signals; direct sequence spectrum despreading said received plurality of ultra wideband signals; decoding said despread plurality of ultra wideband signals to form encrypted collected data; and decrypting said encrypted collected data. ### Claim 17 (depends on 16) The method of claim 16, wherein: the receiving step is performed by a receiver filter unit; the direct sequence spectrum despreading step is performed by a processor executing software instructions representing an algorithm for a direct sequence spectrum despreading function; the decoding step is performed by a UWB decoder; and the decrypting step is performed by a processor executing software instructions representing a data decryption algorithm. ### Claim 18 A computer program product, comprising: a computer-usable medium having computer-readable code embodied therein for configuring a computer processor, the computer program product comprising: a first executable computer-readable code configured to cause a computer processor to encrypt disseminated collected data; a second executable computer-readable code configured to cause a computer processor to encode said encrypted data to form a plurality of ultra wideband signals; a third executable computer-readable code configured to cause a computer processor to direct sequence spectrum spread said plurality of ultra wideband signals; and a fourth executable computer-readable code configured to cause a computer processor to transmit said direct sequence spread plurality of ultra wideband signals. ### Claim 19 (depends on 18) The computer program product of claim 18, further comprising: a fifth executable computer-readable code configured to cause a computer processor to receive said direct sequence spread plurality of ultra wideband signals; a sixth executable computer-readable code configured to cause a computer processor to spectrum despread said received plurality of ultra wideband signals; a seventh executable computer-readable code configured to cause a computer processor to decode said despread plurality of ultra wideband signals to form at least a portion of said encrypted collected data; and an eighth executable computer-readable code configured to cause a computer processor to decrypt said at least a portion of said encrypted collected data. ### Claim 20 (depends on 18) The computer program product of claim 18, wherein said disseminated collected data is received from an underwater data collection platform. ### Claim 21 (depends on 18) The computer program product of claim 18, wherein the first executable computer-readable code comprises code representing a data encryption algorithm.