Above: Links to
Mobility Field Test
Software Driven MeshTM
Meshdynamics has been talking about our multi-radio multi-channel wireless mesh
networks since 2002 but there is confusion about what "multi-radio" means,
and why Meshdynamics' patented tree-based framework sets us apart. Quick take aways:
The inability of single radio backhauls to simultaneously transmit and
receive is a serious disadvantage. If a node cannot send and receive at
the same time, it loses ½ of its bandwidth as it attempts to relay packets up
and down the backhaul path. A loss of ½ with each hop implies that after 4 hops,
a user would be left with (½*½*½*½) = 1/16 of the bandwidth available at the
Ethernet link: 1/(2H
) relationship defines
the fraction of the throughput and
real time response after 4 hops,
Our nodes connect as logical branches of a tree. As in
Nature, a tree based routing is scalable,
efficient and deterministic. Trees are
inherently self healing.
of a branch, does not cripple the entire network.
Our mesh nodes manage branches of the wireless network "tree", with
added features to support mobility, diverse transceivers etc.
A distributed control system, running on each "node", manages
health of the network and clients. Nodes and enterprise "apps"
running on the mesh nodes, communicate through periodic "heart
-- This heart beat system is also used by applications running on the OpenWRT
mesh nodes thus moving intelligence literally to the edge. The application heart
beats are topic based and easily integrated into enterprise control systems.
Key Embodiments of Technology.
(Click on image links above for more)
Structured MeshTM: Benefits over non-tree mesh networking architectures.
This paper analyses how with merely 5
simultaneous clients per mesh node, both the single radio ad
hoc and the dual-radio, single radio mesh architectures
cannot provide usable bandwidth (for voice/video) beyond 2
hops and the implications of these limitations.
: Radio and Protocol Agnostic
Routing Control, Future Proof By Design.
Scalable software techniques mandate a level of device
abstraction. Our Open Source
centric approach is intentionally radio &
This accelerates product development
for our OEM source code licensees.
P3MTM : Persistent 3rd Generation Mobile Connectivity for military, mining.
multi-radio backhaul nodes were set up in a
one-mile test course along a public road, simulating a
railroad right-of-way. The automobile was driven in repeated passes
along the simulated railroad right-of-way at speeds of 55-60
Field Test Reports and
PBVTM : Persistent
Providing base network services for time sensitive messaging
in a disruption tolerant networks
: Real Time, Efficient Traffic Flow Across Network
Moving small, periodic M2M or VOIP packets through the
wireless mesh network requires special concatenation techniques to ensure
low latency and jitter performance.
: Software Driven MeshTM
Networking. Source code for Industrial Mesh Networks and
Industrial Internet OEMs.
The OEM license includes exemplary source code for 80211.ac
radios, network level simulation and automation scripting..
Collateral: Competitive Analysis/Reports:
Postgraduate School (US Navy)
US Air Force
of Patent Portfolio Listed
"Leaky" pipes are endemic to all forms of wireless communication.
Pipe "insulation" is affected by
. Yet, this pipe is expected to provide equivalent
Seminal work in
depicted how "hop" and "toll" costs - at each node - changes
network tree topology to meet diverse application needs. Improvements for
real time streams are taught in
Managing latency and jitter
Self Forming VOIP
Mobile and temporal networks
(2010) address mobility
(2012) reduces "collision" in
(2014) focus on time sensitive messaging
for industrial mesh networks.
for rapid tree
topology reversals for disruption tolerance and mitigating
single radio limitations first described as "Ugly
" in 2004.