IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0868290
(2004-06-15)
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등록번호 |
US-7286828
(2007-10-23)
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발명자
/ 주소 |
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출원인 / 주소 |
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인용정보 |
피인용 횟수 :
8 인용 특허 :
50 |
초록
▼
A method of radio communications and routing and connection in a mobile radio system consisting of the steps of providing nodes for transmitting and receiving signals wherein the nodes are positioned in a free form fashion within a defined area, and the routing of a communication is determined based
A method of radio communications and routing and connection in a mobile radio system consisting of the steps of providing nodes for transmitting and receiving signals wherein the nodes are positioned in a free form fashion within a defined area, and the routing of a communication is determined based on selecting the most desirable and normally the shortest path between the communication source and the destination drop.
대표청구항
▼
The invention claimed is: 1. A radio communications system including a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, each said node comprising: a transmitter for tra
The invention claimed is: 1. A radio communications system including a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, each said node comprising: a transmitter for transmitting radio signals to other said nodes and a receiver for receiving said radio signals from other said nodes, wherein at least some of said radio signals include associated routing messages including an actual radio parameter of said radio signals; circuitry for establishing a radio link between said node and any other said node from which a radio signal is received without regard to the relative locations of said node and said other node; a storage device for storing said routing messages received from other said nodes; and a computer for selecting a said routing message associated with a preferred said radio link using said actual radio parameter, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, wherein said computers in said nodes assemble said preferred radio links into a radio communication route between an originating node and a destination node, said route including plural said radio links. 2. A system as in claim 1, wherein said computers use said actual radio parameter to assemble an optimum said radio communication route. 3. A system as in claim 2, wherein: said radio signals identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different said categories of said nodes. 4. A system as in claim 2, wherein said computers use said actual radio parameter to assemble said radio links into multiple optimum radio communication routes, each having an originating node and a destination node. 5. A system as in claim 4, wherein said computers assemble said optimum routes without necessarily including the same said node in any two said routes. 6. A system as in claim 5, wherein each said node further comprises circuitry for detecting the strength of said radio signals received from said other nodes, said actual radio parameter being said signal strength. 7. A system as in claim 6, wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 8. A system as in claim 7, wherein: said radio signals identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different said categories of said nodes. 9. A system. as in claim 1, wherein each said node further comprises circuitry for detecting the strength of said radio signals received from said other nodes, said actual radio parameter being said signal strength. 10. A system as in claim 9, wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 11. A system as in claim 1, wherein each said node further comprises circuitry for detecting the strength of said radio signals received from said other nodes, said actual radio parameter being said signal strength, and wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 12. A system as in claim 1, wherein said radio signals are transmitted by said nodes in separate time slots. 13. A system as in claim 12, wherein said radio signals are transmitted by one said node simultaneously to plural other said nodes. 14. A system as in claim 1, wherein said radio signals are transmitted by one said node simultaneously to plural other said nodes. 15. A system as in claim 1, further comprising circuitry for detecting said actual radio parameter of said radio signals received from other said nodes, wherein said computer uses said detected actual radio parameter and said actual radio parameter included in said routing messages for selecting a said routing message associated with a preferred said radio link. 16. A radio communications system including a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, each said node comprising: a transmitter for transmitting radio signals to other said nodes and a receiver for receiving said radio signals from other said nodes, at least some of said radio signals including routing messages; circuitry for establishing a radio link between said node and any other said node from which a radio signal is received without regard to the relative locations of said node and said other node; a storage device for storing said routing messages received from other said nodes; and a computer for selecting a said routing message associated with a preferred said radio link using a parameter of said routing messages, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, wherein said computers in said nodes assemble said preferred radio links into an optimum radio communication route between an originating node and a destination node, said route including plural said radio links. 17. A system as in claim 16, wherein: said routing messages identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different said categories of said nodes. 18. A system as in claim 16, wherein: each said node further comprises circuitry for detecting the strength of said radio signals received from said other nodes, said parameter of said routing messages being said signal strength; and each said radio link of said optimum route comprises a radio signal with a higher minimum signal strength than the minimum signal strength of said radio signal comprising any said radio link in any other potential radio communication route between said originating node and said destination node. 19. A system as in claim 18, wherein said computers use said parameter to assemble said radio links into multiple optimum radio communication routes, each having an originating node and a destination node. 20. A system as in claim 19, wherein said computers assemble said routes without necessarily including the same said node in any two said routes. 21. A system as in claim 20, wherein a said radio link is established between a pair of said nodes if said signal strength exceeds a predetermined minimum threshold. 22. A system as in claim 21, wherein: said routing messages identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different said categories of said nodes. 23. A system as in claim 16, wherein each said node further comprises circuitry for detecting the strength of said radio signals received from said other nodes, said parameter being said signal strength, and wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 24. A system as in claim 16, wherein said radio signals are transmitted by one said node simultaneously to plural other said nodes. 25. A system as in claim 16, wherein said radio signals are transmitted by said nodes in separate time slots. 26. A system as in claim 16, further comprising circuitry for detecting said parameter of said radio signals received from other said nodes, wherein said computer uses said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said radio link. 27. A radio communications system including a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, each said node comprising: a transmitter for transmitting radio signals to other said nodes and a receiver for receiving said radio signals from other said nodes, wherein at least some of said radio signals include associated routing messages including the quality of said radio signals; detecting circuitry for detecting the quality of said radio signals received from said other nodes; circuitry for establishing a radio link between said node and any other said node from which a radio signal is received without regard to the relative locations of said node and said other node; a storage device for storing said routing messages received from other said nodes; and a computer for selecting a said routing message associated with a preferred said radio link using the quality, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, wherein said computers in said nodes assemble said preferred radio links into a radio communication route between an originating node and a destination node, said route including plural said radio links, wherein each said radio link of said route comprises a radio signal of a higher quality than the quality of said radio signal comprising any said radio link in any other potential radio communication route between said originating node and said destination node. 28. A system as in claim 27, wherein: said routing messages identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different said categories of said nodes. 29. A system as in claim 28, wherein said computers assemble said radio links into multiple radio communication routes, each having an originating node and a destination node. 30. A system as in claim 29, wherein said computers assemble said routes without necessarily including the same said node in any two said routes. 31. A system as in claim 30, wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 32. A system as in claim 27, wherein said computer uses said detected quality and said quality included in said routing messages for selecting a said routing message associated with a preferred said radio link. 33. A radio communications system including a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, each said node comprising: a transmitter for transmitting radio signals to other said nodes and a receiver for receiving said radio signals from other said nodes, at least some of said radio signals including routing messages identifying said node as being one of at least two different categories that do not interfere when transmitting; detecting circuitry for detecting the signal strength of said radio signals received from said other nodes; circuitry for using said radio signals to establish radio links only between plural pairs of said nodes of different said categories; and routing circuitry for assembling selected said radio links into a radio communication route between an originating node and a destination node, said route including plural said radio links consisting solely of links between different categories of said nodes, wherein each said radio link of said route comprises a radio signal with a higher minimum signal strength than the minimum signal strength of said radio signal comprising any said radio link in any other potential radio communication route between said originating node and said destination node. 34. A system as in claim 33, wherein said routing circuitry uses a content of said radio messages to assemble said radio links into multiple radio communication routes, each having an originating node and a destination node, without necessarily including the same said node in any two said routes. 35. A system as in claim 34, wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 36. A node for use in a radio communications system including a plurality of said nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, said node comprising: a transmitter and receiver for transmitting radio signals to other said nodes and a receiver for receiving radio signals from other said nodes, at least some of said radio signals including routing messages; circuitry for establishing a radio link between said node and any other said node from which a radio signal is received without regard to the relative locations of said node and said other node; a storage device for storing said routing messages received from other said nodes; and a computer for selecting a said routing message associated with a preferred said radio link using a parameter of said routing messages, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, said computer using said parameter of said routing messages to drop non-optimal said radio links, wherein said computers in said nodes assemble remaining said radio links into a radio communication route between an originating node and a destination node, said route including plural said radio links. 37. A node as in claim 36, further comprising detecting circuitry for detecting the strength of said radio signals received from other said nodes, said parameter being said signal strength, wherein said computer uses said signal strength to establish said radio links. 38. A node as in claim 37, wherein said computer uses said signal strength to assemble said radio links into an optimum radio communication route. 39. A node as in claim 36, further comprising detecting circuitry for detecting the strength of said radio signals received from other said nodes, said parameter being said signal strength, wherein said computer uses said signal strength to establish said radio links and to assemble said radio links into an optimum radio communication route. 40. A node as in claim 39, wherein said computer includes: means for controlling said node to cause retransmission of said radio signals after said route is assembled; means for controlling said circuitry to reestablish said radio links if a said node has been moved or an additional node has become available to be added to the system subsequent to assembly of said route; and means for assembling said reestablished radio links based on said signal strength into a radio communication route between said originating node and said destination node, said route including plural said radio links. 41. A node as in claim 36, further comprising circuitry for detecting said parameter of said radio signals received from other said nodes, wherein said computer uses said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said radio link. 42. A radio communications system including a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, wherein: each said node includes (a) a transmitter for transmitting radio signals to other said nodes and a receiver for receiving said radio signals from other said nodes, at least some of said radio signals including routing messages, (b) circuitry for establishing a radio link between said node and any other said node from which a radio signal is received without regard to the relative locations of said node and said other node ,(c) a storage device for storing said routing messages received from other said nodes, and (d) a computer for selecting a said routing message associated with a preferred said radio link using a parameter of said routing messages, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, wherein said computers in said nodes assemble said preferred radio links into a radio communication route between an originating node and a destination node, said route including plural said radio links; said receivers include call receiving circuitry for accepting external radio signals from sources in addition to other said nodes; said transmitters include call transmitting circuitry for transmitting said external signal to successive nodes along said route to said destination node in accordance with a content of said external signal; and each said node further includes hand-off circuitry for controlling said receiver and said transmitter to terminate reception of said external radio signal at one said node and initiate reception thereof at another said node and for creating a new said route to said destination node. 43. A system as in claim 42, wherein: each said node further includes circuitry for detecting the strength of said radio signals received from other said nodes, said parameter being said signal strength; and said routing circuitry assembles said radio links into multiple radio communication routes, each having an originating node and a destination node, wherein each said radio link of each said route comprises a radio signal with a higher minimum signal strength than the minimum signal strength of said radio signal comprising any said radio link in any other potential radio communication route between said originating node and said destination node, without necessarily including the same said node in any two said routes. 44. A system as in claim 43, wherein: said routing messages identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different said categories of said nodes. 45. A system as in claim 43, wherein a said radio link is established between a pair of said nodes only if said signal strength exceeds a predetermined minimum threshold. 46. A system as in claim 42, further comprising circuitry for detecting said parameter of said radio signals received from other said nodes, wherein said computer uses said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said radio link. 47. A method of providing a radio communication route among a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, the method comprising: establishing radio links between pairs of said nodes using radio signals transmitted from each said node and received by other said nodes without regard to the relative locations of said nodes of said pair, wherein at least some of said radio signals include associated routing messages including an actual radio parameter of said radio signals; storing said routing messages received by each said node; selecting a said routing message associated with a preferred said radio link using said actual radio parameter of said received radio signals; deleting at least some of said other stored routing messages; modifying said selected routing message; retransmitting said modified routing message; and assembling said preferred radio links into a radio communication route between an originating node and a destination node, said route including plural said radio links. 48. A method as in claim 47, further comprising the step of assembling said radio links into multiple radio conimunication routes, each having an originating node and a destination node, without necessarily including the same said node in any two said routes. 49. A method as in claim 48, wherein: said actual radio parameter is the strength of said radio signals; and each said radio link of each said route comprises a radio signal with a higher minimum signal strength than the minimum signal strength of said radio signal comprising any said radio link in any other potential radio communication route between said originating node and said destination node. 50. A method asin claim 49, wherein: said radio messages identify each said node as being one of at least two different categories that do not interfere when transmitting; and said radio links are established only between different categories of said nodes. 51. A method as in claim 50, wherein a said radio link is established between a pair of said nodes only if the strength of said radio signals exceeds a predetermined minimum threshold. 52. A method as in claim 47, further comprising: detecting said actual radio parameter of said radio signals received from other said nodes; and using said detected actual radio parameter and said actual radio parameter included in said routing messages for selecting a said routing message associated with a preferred said radio link. 53. A method of providing a radio communication route among a plurality of individual nodes capable of distribution arbitrarily relative to each other, wherein each said node comprises oneof at least two different categories and is controllable independent of a central computer separate from said nodes, the method comprising: establishing radio links between said nodes using radio signals transmitted from each said node and received by other said nodes; deleting said radio links between nodes of the same category; and assembling selected remaining said radio links into a radio communication route, said route including plural said radio links. 54. A method as in claim 53, wherein said radio signals are transmitted by one said node simultaneously to plural other said nodes. 55. A method as in claim 53, wherein said radio signals are transmitted by said nodes in separate time slots. 56. A method of providing a radio communication route among a plurality of individual nodes capable of distribution arbitrarily relative to each other, said nodes being controllable independent of a central computer separate from said nodes, the method comprising: establishing radio links between pairs of said nodes using radio signals transmitted from each said node and received by other said nodes without regard to the relative locations of said nodes of said pair, at least some of said radio signals including routing messages; storing said routing messages received by each said node; selecting a said routing message associated with a preferred said radio link using a parameter of said routing messages in said received radio signals: modifying said selected routing message; deleting at least some of said other stored routing messages; retransmitting said modified routing message; assembling said preferred radio links into an optimum radio communication route between an originating node and a destination node, said route including plural said radio links; and changing said route between said originating node and said destination node only when a condition of the route changes. 57. A method as in claim 56, wherein said radio signals are transmitted by one said node simultaneously to plural other said nodes. 58. A method as in claim 56, wherein said radio signals are transmitted by said nodes in separate time slots. 59. A method as in claim 56, further comprising: detecting said parameter of said radio signals received from other said nodes; and using said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said radio link. 60. A wireless communications system having a plurality of individual routing nodes distributed to form a mesh of said routing nodes throughout an area covered by said system, each said routing node comprising: a transmitter for transmitting wireless signals to other said routing nodes and a receiver for receiving said wireless signals from other said routing nodes, at least some of said wireless signals including routing messages; circuitry for establishing a wireless link between said routing node and any other said routing node from which a wireless signal is received without regard to the relative locations of said routing node and said other routing node; a storage device for storing said routing messages received from other said routing nodes; and a computer for selecting a said routing message associated with a preferred said wireless link using a parameter of said routing messages, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, wherein said computers in said routing nodes assemble said preferred wireless links into an optimum wireless communication route between a remote routing node and a destination routing node, said route including plural said wireless links. 61. A system as in claim 60, wherein said destination routing node is connected to a land line network. 62. A system as in claim 61, wherein said computers assemble said wireless links into multiple optimum wireless communication routes, each having a different remote routing node or a different destination routing node. 63. A system as in claim 61, wherein: said receivers include call receiving circuitry for accepting external wireless signals from sources in addition to other said routing nodes; said transmitters include call transmitting circuitry for transmitting said external signal to successive nodes along said wireless communication route to said destination routing node; and each said routing node further includes hand-off circuitry for controlling said receiver and said transmitter to terminate reception of said external radio signal at one said remote routing node and initiate reception thereof at another said remote routing node and for creating a new said route to said destination node. 64. A system as in claim 60, further comprising circuitry for detecting said parameter of said wireless signals received from other said nodes, wherein said computer uses said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said wireless link. 65. A routing node for use in a wireless communications system having a plurality of said routing nodes distributed to form a mesh of said routing nodes throughout an area covered by said system, said routing node comprising: a transmitter for transmitting wireless signals to other said routing nodes and a receiver for receiving said wireless signals from other said routing nodes, at least some of said wireless signals including routing messages; circuitry for establishing a wireless link between said routing node and any other said routing node from which a wireless signal is received without regard to the relative locations of said routing node and said other routing node; a storage device for storing said routing messages received from other said routing nodes; and a computer for selecting a said routing message associated with a preferred said wireless link using a parameter of said routing messages, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, wherein said computers in said routing nodes assemble said preferred wireless links into an optimum wireless communication route between a remote routing node and a destination routing node, said route including plural said wireless links. 66. A routing node as in claim 65, further comprising an omni-directional antenna. 67. A routing node as in claim 65, further comprising circuitry for detecting said parameter of said wireless signals received from other said nodes, wherein said computer uses said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said wireless link. 68. A method of providing a wireless communication route having a plurality of individual routing nodes distributed to form a mesh of said routing nodes throughout an area covered by a wireless communication system, the method comprising: establishing wireless links between pairs of said routing nodes using wireless signals transmitted from each said routing node and received by other said routing nodes without regard to the relative locations of said routing nodes of said pair, at least some of said wireless signals including routing messages; storing said routing messages received by each said node; selecting a said routing message associated with a preferred said wireless link using a parameter of said received wireless signals; modifying said selected routing message; deleting at least some of said other stored routing messages; retransmitting said modified routing message; and assembling said preferred wireless links into an optimum wireless communication route between a remote routing node and a destination routing node, said route including plural said wireless links. 69. A method as in claim 68, wherein said establishing and assembling steps are repeated when a new said routing node is added to said system or an existing said routing node fails or is removed from said system. 70. A method as in claim 68, further comprising: detecting said parameter of said wireless signals received from other said nodes; and using said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said wireless link. 71. A routing node for use in a radio communications system including a plurality of said routing nodes capable of distribution arbitrarily relative to each other, said routing nodes being controllable independent of a central computer separate from said routing nodes, said routing node comprising: a transmitter for transmitting radio signals to other said routing nodes and a receiver for receiving radio signals from other said routing nodes, at least some of said radio signals including routing messages; circuitry for establishing a radio link between said routing node and any other said routing node from which a radio signal is received without regard to the relative locations of said routing node and said other routing node; a storage device for storing said routing messages received from other said routing nodes; and a computer for selecting a said routing message associated with a preferred said radio link using a parameter of said routing messages, for deleting at least some of said other routing messages from said storage device, and for modifying said selected routing message for retransmission by said transmitter, said computers in said nodes assembling said preferred radio links into an optimum radio communication route between a said routing node and a destination node connected to a land line network, said route including plural said radio links. 72. A routing node as in claim 71, wherein said routing node receives an initial said routing message transmitted by said destination node and stores said initial routing message in said storage device, and said computer of said routing node modifies said initial routing message for retransmission by said transmitter. 73. A routing node as in claim 71, wherein: said routing node receives said modified routing messages transmitted by other said routing nodes; and said computer selects a said modified routing message associated with a preferred said radio link, deletes at least some of said other modified routing messages from said storage device, and modifies said selected routing message for retransmission by said transmitter. 74. A routing node as in claim 73, wherein different said routing messages are selected for different said radio communications routes and said received routing messages not used to assemble any radio communication route are deleted from said storage device. 75. A routing node as in claim 71, further comprising circuitry for detecting said parameter of said radio signals received from other said nodes, wherein said computer uses said detected parameter and said parameter of said routing messages for selecting a said routing message associated with a preferred said radio link.
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