wiki:Hardware/Nodes

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Nodes

Each Node consists of some combination of Software Defined Radios, RF Devices, Compute Resources, and Network and Optical Devices.

They are meant to allow coordinated processing of RF data, from analog tx/rx to digital processing throughout the network.

Multiple Nodes can be combined into larger Topologies, while subsets of a Node can also be used individually.

Details of the connectivity within and between compute resources, SDRs and RF devices can be seen at Architecture/Data Flow.

Types of Node

This table summarizes each type of node, along with the Resources belonging to it.

  • Large nodes can have multiple sectors, each with a pair of N310 and 2974, with dedicated compute resources attached over fiber.
  • Medium nodes are a single pair of N310 and 2974, and they share a common pool of compute resources.
  • Portable and Handheld Nodes are each a single platform.
  • Large Portable is a small form factor computer, attached SDR, and battery
  • Small Portable is a smaller form factor computer, SDR, and battery
  • Handheld is a standalone SDR with ARM processor onboard, as an integrated solution.
TypeSDRsCompute ResourceSectors
Large N310 & 2974 Dedicated 1-3
Medium N310 & 2974 Shared 1
Big Portable B210 N/A N/A
Small Portable B205mini N/A N/A
Handheld E312 N/A N/A

Fixed Installation

Large Node

The large node is composed of one or more "sectors". Each sector is composed of a USRP N310 and USRP 2974 paired to an RF front end and directional antenna.

Additionally, there are several compute resources close by, and attached over fiber for use in close conjunction with the USRPs.

Contents of one large node sector enclosure:

USRPs RF front end

Medium Node

The medium node is composed of a USRP N310 and USRP 2974 paired to an RF front end and omni-directional antenna.

It is connected over fiber to a shared pool of compute resources. It is conceptually similar to a single sector of a Large Node, although the rf frontend is slightly different.

Contents of one medium node enclosure:

USRPs RF front end

Portable

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