WIDE-AREA WIRELESS NETWORK TOPOLOGY
First Claim
1. A predominantly wireless communications network of linked stations in a hierarchy of at least two layers of stations comprising higher-level stations and lower-level stations, characterized by a topology for the two layers in which higher-level stations are each redundantly linked to at least two lower-level stations in a ring network, and lower-level stations are each redundantly linked to at least two higher-level stations in a ring network, each of the ring networks being unique.
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Abstract
A wireless communications network topology and its implementation enable the wireless network implementing the topology to be sufficiently robust to avoid or mitigate the consequences of various node failures. The inventive network topology includes a triangular ring mesh, preferably constituting a flower topology in its entirety. For each node in a given layer of stations, at least two links are provided, one to each of two selected nodes in an adjacent layer of stations.
145 Citations
11 Claims
- 1. A predominantly wireless communications network of linked stations in a hierarchy of at least two layers of stations comprising higher-level stations and lower-level stations, characterized by a topology for the two layers in which higher-level stations are each redundantly linked to at least two lower-level stations in a ring network, and lower-level stations are each redundantly linked to at least two higher-level stations in a ring network, each of the ring networks being unique.
- 9. A wireless communications network of linked stations in a hierarchy of at least two sequential levels of stations comprising higher-level stations and lower-level stations, characterized by a topology for the two selected sequential levels in which there is a redundancy of communications links between the lower-level stations and the higher-level stations, so that a failure in any said link is inherently remedied by use of an alternate said link to maintain direct connectivity of the lower-level stations to selected ones of said higher-level stations.
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11. A wireless communications network of linked stations in a hierarchy of at least two sequential layers of stations comprising higher-level stations and lower-level stations, characterized by a selected suitable flower topology for the stations and their links.
Specification