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- Nachgewiesen in: USPTO Patent Applications
- Sprachen: English
- Document Number: 20220116339
- Publication Date: April 14, 2022
- Appl. No: 17/555444
- Application Filed: December 18, 2021
- Claim: 1. A contiguous network comprising: a plurality of distributors arranged into a plurality of constellations; and a plurality of access nodes arranged into a plurality of groups, each group comprising a respective number of access nodes, said plurality of groups arranged into a first number of bands, each band comprising a second number of groups; each pair of bands connecting to a respective constellation, with one band, denoted joined band, connecting in a first mode and one band, denoted fusing band, connecting in a second mode, each distributor of the respective constellation coupled to: each access node of a respective group of the joined band; and at least one access node of each group of the fusing band; so that each access node of said fusing band has a single-hop path to: each access node of said joined band; and each access node of each other group of said fusing band; wherein said each band connects to multiple constellations in said second mode; thereby, each access node of said each band has multiple dual single-hop paths to each other access node within said each band and a dual single-hop path to each access node of each other band.
- Claim: 2. The contiguous network of claim 1 wherein said respective constellation connects directly to each access node of said each pair of bands through a respective dual multichannel link each dual channel of which connecting to a respective distributor of said respective constellation; thereby the need for cross connectors between said plurality of access nodes and said plurality of distributors is eliminated.
- Claim: 3. The contiguous network of claim 2 wherein said respective dual multichannel link is coupled to: a first spectral multiplexer and a first spectral demultiplexer at said each access node of said each pair of bands; and a second spectral demultiplexer and a second spectral multiplexer at said respective constellation.
- Claim: 4. The contiguous network of claim 3 wherein: said first spectral multiplexer combines Ω upstream channels emanating from electrical-to-optical converters coupled to Ω output ports of said each access node of said each pair of bands into an upstream multichannel link directly routed to said respective constellation; said second spectral demultiplexer separates said Ω upstream channels, each channel directed to a respective distributor of said respective constellation; said second spectral multiplexer combines Ω downstream channels emanating from Ω distributors of said respective constellation into a downstream multichannel link directly routed to said each access node of said each pair of bands; and said first spectral demultiplexer separates said Ω downstream channels, each downstream channel coupled to a respective optical-to-electrical converter coupled to an input port of said each access node of said each pair of bands.
- Claim: 5. The contiguous network of claim 1 wherein, within said fusing band of said each pair of bands, an access node of index ν within a group of index γ connects to said respective constellation, through Ω dual channels, one to each of Ω distributors: [mathematical expression included] wherein bands of said first number of bands, groups within each band, and access nodes within each group are indexed sequentially in steps of one, starting with zero, each access node being identified according to an access-node index, a group index, and a band index; Π being said first number, Π>4, Ω being said second number, selected as a prime number, Ω>2, and M(β,γ) denoting a number of access nodes within a group of index γ of a band of index ρ, each said constellation comprising Ω2 distributors arranged into a matrix of Ω rows and Ω columns, with individual distributors denoted S(ρ,χ), 0≤ρ<Ω, 0≤χ<Ω.
- Claim: 6. The contiguous network of claim 1 wherein, within said joined band of said each pair of bands, an access node of index ν within a group of index γ connects to said respective constellation, through Ω dual channels, one to each of Ω distributors: [mathematical expression included] wherein bands of said first number of bands, groups within each band, and access nodes within each group are indexed sequentially in steps of one, starting with zero, each access node being identified according to an access-node index, a group index, and a band index; Π being said first number, Π>4, Ω being said second number, selected as a prime number, Ω>2, and M(β,γ) denoting a number of access nodes within a group of index γ of a band of index ρ, each said constellation comprising Ω2 distributors arranged into a matrix of Ω rows and Ω columns, with individual distributors denoted S(ρ,χ), 0≤ρ<Ω, 0≤χ<.
- Claim:
- Claim:
- Claim: 9. The contiguous network of claim 1 wherein at least one distributor of said plurality of distributors comprises: an optical distributing mechanism having a plurality of input ports and a plurality of output ports; a distributor controller; a time indicator; a plurality of optical splitters each connecting an upstream optical signal from an access node to: a respective input port; and an optical-to-electrical converter to detect a baseband signal; a plurality of time-alignment units each for: detecting a cyclic identifier of each data segment of a respective baseband signal; and communicating the cyclic identifier and a corresponding time indication, according to the time indicator, to the distributor controller to determine discrepancy between said corresponding time indication and a scheduled arrival time of said each data segment; a plurality of optical combiners each for inserting, during a respective control time slot, a value of said discrepancy into a respective downstream signal directed from a respective output port to a respective access node for adjusting transmission time to said at least one distributor accordingly.
- Claim: 10. The contiguous network of claim 1 wherein at least one distributor of said plurality of distributors comprises: an electronic distributing mechanism having a plurality of input ports and a plurality of output ports; a distributor controller; a time indicator; a plurality of optical-to-electrical converters for detecting baseband signals from upstream optical signals received from access nodes; a plurality of fanout units each connecting a baseband signal to: an input buffer preceding a respective input port; and a time-alignment unit for: detecting a cyclic identifier of each data segment of a respective baseband signal; and communicating the cyclic identifier and a corresponding time indication, according to the time indicator, to the distributor controller to determine discrepancy between said corresponding time indication and a scheduled arrival time of said each data segment; a plurality of 2:1 temporal multiplexers each for inserting, during a respective control time slot, a value of said discrepancy into a respective downstream signal directed from a respective output port to a respective access node for adjusting transmission time to said at least one distributor accordingly.
- Claim: 11. The contiguous network of claim 1 further comprising a central processor executing instructions to: set said respective number of access nodes to equal a predetermined target number, said plurality of access nodes being a corresponding target of a total number of access nodes; generate a connectivity table as an allocation pattern of each access node of said plurality of access nodes to respective distributors of said plurality of distributors; access a memory device storing data organized into a data structure defining current connectivity of access nodes to respective distributors, said current connectivity being initialized as no connectivity; assign new access-node identifiers to new access nodes from among said plurality of access nodes; determine connections from said new access nodes to respective distributors based on: said connectivity table; said current connectivity; and said new access-node identifiers; and update said current connectivity of access nodes to respective distributors and storing result in said memory device.
- Claim: 12. A method of forming a contiguous network comprising: arranging a plurality of access nodes into a plurality of groups, each group comprising a respective number of access nodes; arranging said plurality of groups into a first number of bands, each band comprising a second number of groups; arranging a plurality of distributors into a plurality of constellations; connecting each pair of bands to a respective constellation, with one band, denoted joined band, connecting in a first mode and one band, denoted fusing band, connecting in a second mode; connecting each distributor of the respective constellation to: a channel from each access node of a selected group of said joined band; and at least one dual channel from each group of said fusing band; so that each access node of said fusing band has a single-hop path to: each access node of said joined band; and each access node of each other group of said fusing band; wherein said each band connects to multiple constellations in said second mode; thereby, each access node of said each band has: multiple parallel single-hop paths to each other access node of said each band; and one single-hop path to each other access node of each other band, where each said single-hop path traverses only one distributor.
- Claim: 13. The method of claim 12 further comprising connecting said respective constellation directly to each access node of said each pair of bands through a respective dual multichannel link each dual channel of which connecting to a respective distributor of said respective constellation, thereby eliminating the need for cross connectors between access nodes and distributors.
- Claim: 14. The method of claim 12 further comprising said each distributor exchanging timing data with each access node connecting to said each distributor to time-align said each access node connecting to said each distributor to said each distributor.
- Claim: 15. The method of claim 12 further comprising connecting said each band in said second mode to a number, k, of constellations determined as λ=└(Π−1)/2┘, Π denoting said first number, Π>4.
- Claim:
- Claim: 17. The method of claim 12 wherein an access node of index ν within a group of index γ, of a band connecting to a constellation in said second mode, connects, through Ω dual channels, to each of Ω distributors: [mathematical expression included] wherein bands of said first number of bands, groups within each band, and access nodes within each group are indexed sequentially in steps of one, starting with zero, each access node being identified according to an access-node index, a group index, and a band index, Π being said first number, Π>4, Ω being said second number, selected as a prime number, Ω>2, and M(β,γ) denoting a number of access nodes within a group of index γ of a band of index β, each said constellation comprising Ω2 distributors arranged into a matrix of Ω rows and Ω columns, with individual distributors denoted S(ρ,χ), 0≤ρ<Ω, 0≤χ<Ω.
- Claim: 18. The method of claim 12 wherein an access node of index ν within a group of index γ, of a band connecting to a constellation as a joined band, connects, through Ω dual channels, to each of Q distributors: [mathematical expression included] wherein bands of said first number of bands, groups within each band, and access nodes within each group are indexed sequentially in steps of one, starting with zero, each access node being identified according to an access-node index, a group index, and a band index, Π being said first number, Π>4, Ω being said second number, selected as a prime number, Ω>2, and M(β,γ) denoting a number of access nodes within a group of index γ of a band of index β, each said constellation comprising Ω2 distributors arranged into a matrix of Ω rows and Ω columns, with individual distributors denoted S(ρ,χ), 0≤ρ<Ω, 0≤χ<Ω.
- Claim: 19. The method of claim 12 further comprising: selecting said respective number of access nodes to equal a predetermined target number, said plurality of access nodes being a corresponding target of a total number of access nodes; generating, based on said connecting each distributor, a connectivity table for the respective constellation as an allocation pattern of each access node of said plurality of access nodes to respective distributors of said plurality of distributors; accessing a memory device storing data organized into a data structure defining current connectivity of access nodes to respective distributors, said current connectivity being initialized as no connectivity; assigning new access-node identifiers to new access nodes from among said plurality of access nodes; determining connections from said new access nodes to respective distributors based on: said connectivity table; said current connectivity; and said new access-node identifiers; and updating said current connectivity of access nodes to respective distributors and storing result in said memory device.
- Claim: 20. The method of claim 12 further comprising establishing a path from any access node of any group of any band to a destination access node of any other band as: a single-hop path from said any access node to an intermediate access node of said any group; and a single-hop path from said intermediate access node to said destination access node.
- Current International Class: 04; 04; 04
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