Combined directional and mobile interleaved wireless mesh network
First Claim
1. A combined directional and mobile interleaved wireless mesh network, comprising:
- a plurality of interleaved fixed directional mesh nodes, each directional node having at least a first relay radio assigned to communicate via a first channel and a second relay radio assigned to communicate via a second channel wherein said first radio and said second radio are each connected to one or more directional antennas wherein at least one directional antenna is aimed in a substantially orthogonal direction relative to at least one other directional antenna; and
a plurality of interleaved mobile mesh nodes, each mobile node having at least a third relay radio that communicates to the first relay radio of an adjacent directional node via the first channel and a fourth relay radio that communicates to the second relay radio of the adjacent directional node via the second channel wherein said third relay radio and said fourth relay radio are each connected to an omnidirectional antenna;
wherein said first common channel and said second common channel provide alternative paths for receiving packets to each node and for transmitting packets from each node such that an individual packet in a sequential stream of IP packets can utilize a different common channel than a packet which precedes said individual packet in the sequential stream.
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Abstract
A combined fixed directional and mobile omnidirectional interleaved wireless mesh network is described where the fixed mesh nodes have directional antennas facing in horizontally orthogonal directions. The antennas can be focused to have a horizontal beam width of less than ninety degrees in order to achieve greater strength of signal and radiation. Each directional node can have multiple radios that communicate on separate channels, such that packets propagated through the mesh network can utilize any channel to enter or leave a particular node. The combined network also includes mobile nodes that utilize multiple radios, each connected to an omnidirectional antenna and operating on a different channel. The mobile nodes can maintain constant communication with the directional nodes as they move between various quadrants covered by the directional nodes. The mobile nodes can also maintain connections to each other even during the loss of communication with the fixed directional nodes.
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Citations
23 Claims
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1. A combined directional and mobile interleaved wireless mesh network, comprising:
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a plurality of interleaved fixed directional mesh nodes, each directional node having at least a first relay radio assigned to communicate via a first channel and a second relay radio assigned to communicate via a second channel wherein said first radio and said second radio are each connected to one or more directional antennas wherein at least one directional antenna is aimed in a substantially orthogonal direction relative to at least one other directional antenna; and
a plurality of interleaved mobile mesh nodes, each mobile node having at least a third relay radio that communicates to the first relay radio of an adjacent directional node via the first channel and a fourth relay radio that communicates to the second relay radio of the adjacent directional node via the second channel wherein said third relay radio and said fourth relay radio are each connected to an omnidirectional antenna;
wherein said first common channel and said second common channel provide alternative paths for receiving packets to each node and for transmitting packets from each node such that an individual packet in a sequential stream of IP packets can utilize a different common channel than a packet which precedes said individual packet in the sequential stream. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A combined directional and mobile interleaved wireless mesh network, comprising:
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a plurality of fixed directional mesh nodes, each directional node having at least eight radio-antenna combinations, each combination including a radio connected to a directional antenna wherein at least two of said radio-antenna combinations cover each of four directional quadrants;
wherein a first radio-antenna combination covering one directional quadrant is assigned to communicate via a different channel than a second radio-antenna combination covering said one directional quadrant;
wherein one radio-antenna combination in each of said four directional quadrants operates on a common channel with one radio-antenna combination in an adjacent quadrant; and
wherein at least two of said radio-antenna combinations provide multiple parallel paths for receiving packets to said directional node from an adjacent node and for transmitting packets from said directional node to the adjacent node, such that an individual packet in a sequential stream of IP packets can utilize a different channel than a packet which precedes said individual packet in the sequential stream. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A combined directional and mobile interleaved wireless mesh network, comprising:
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a plurality of fixed directional mesh nodes, each directional node having at least eight radio-antenna combinations, each combination including a radio connected to a directional antenna wherein at least two of said radio-antenna combinations are aimed in a substantially orthogonal direction relative to at least two others of said radio-antenna combinations;
wherein each of said radio-antenna combinations on a directional node is assigned to operate on a different channel from all other radio-antenna combinations on said directional node; and
wherein at least two of said radio-antenna combinations provide multiple parallel paths for receiving packets to said directional node from an adjacent node and for transmitting packets from said directional node to the adjacent node, such that an individual packet in a sequential stream of IP packets can utilize a different channel than a packet which precedes said individual packet in the sequential stream. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A combined directional and mobile interleaved wireless mesh network, comprising:
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a plurality of mobile mesh nodes, each mobile node including a first and second relay radios assigned to operate on different channels, each relay radio connected to an omnidirectional antenna and suitable for communicating with directional nodes and with other mobile nodes; and
a plurality of fixed directional mesh nodes, each directional node including a third relay radio dedicated to communicate with other fixed directional nodes, said third relay radio connected to at least one of a first group of at least four directional antennas, each directional antenna being aimed in a substantially orthogonal direction relative to at least one other directional antenna; and
wherein each fixed directional node further includes at least two mobile-assigned relay radios dedicated to communicate with mobile nodes, wherein said two mobile-assigned relay radios provide alternative paths for receiving and transmitting packets between said fixed directional node and said mobile nodes such that an individual packet in a sequential stream of IP packets can utilize a different channel than a packet which precedes said individual packet in the sequential stream. - View Dependent Claims (22, 23)
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Specification