Infinite bandwidth iot wireless

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Infinite IoT WirElesS
Sans channels, bands & regulation
Peter Cochrane
www.cochrane.org.uk
“We have no digital wireless, o...

GENESIS
Fork lift radio - analogue - long distances - lots of power
CW, AM, FM, SSB+++
P2P Fixed, Broadcast+++
LW, MW, SW,...

Big cells and n x1000s of towers
MOBILE
~7Bn live devices on 3/4G
connected to a global net of
duplex voice & data comms
•...

slow forward
Small cells and Nx1000s of masts
~7Bn live devices on 3/4G
connected to a global net of
duplex voice & data c...

Now 1
D I Y c e l l s
P l u g a n d p l a y
n o e x p e r t i s e re q u i re d !
• Personal and up close
• 100% contiguou...

Now 2
DIY WiFi
P l u g a n d p l a y
n o e x p e r t i s e
re q u i re d !
WiFi ~ 55%
Copper/FTTP ~ 45%
3 + 5G ~5%
Interne...

Observations
It is a miracle it all works
Protocols very inefficient
We avoid interference by dynamic juggling!
The spectr...

Does everything, but badly
THE BIG FIX ?
5g
• Replaces optical fibre
• Outguns 3 & 4G
• Gbit/s everywhere
• Will dominate ...

n e w d i r e c t i o n S
From connected people to connected things
People
~10Bns
Traffic
~1 Bn
Goods
~100Bns
Components
~...

E n e r g y l i m i t a t i o n S
We cannot realise such a future using our current approach
Internet and connected device...

N e w M o d e s
More things linking off net than on
Most THINGS will never connect to the internet
THINGS will want to net...

one size fits all - not!
We are going to need a multiplicity of technologies
Cost Per Unit ~ 0 - 20 £, $, €
Size of Units ...

C o n t i n u e t W e a k i n g ?
This heritage/thinking cannot possible get us there

The Illusion of scarcity
Why do we do this - it is largely legacy thinking
Actually the
spectrum
is m
ostly unused!

A dense london location
~50k WiFi nodes within a 1km radius of Liverpool St
Very low RF Signal
occupancy typical of most
m...

adopting reverse gear?
Status Quo
New Track ?
Analogue
pretending
to be digital
High
energy
& complex
Pure digital
Low
ene...

OpportunitY Space
High loss is a short distance/reuse +++
God Given Spatial Filters
Status Quo
Leave well
alone
New Territ...

The Illusion of scarcity
Why do we do this - it is largely legacy thinking
far too complex & expensive
Unfit for the IoT p...

N e w O p p o rt u n i t i es
High loss ideal for short distance/reuse +++
Direct Sequence
Spread Spectrum
HYPER
Direct Se...

S/N dB
BW Hz
Duration
T seconds
Volumetric representation of S/N, BW and Time
Claude Shannon 1945/46
I = B.T log2(1 + k.S/...

The same information transmitted in 3
different modes exploiting S/N, BW and T
S/N dB
BW Hz
Duration
T seconds
degrees of ...

S/N dB
BW Hz
Duration
T seconds
In the Extreme
‘Waste Bandwidth’ to push the Signal Below the Noise
Filters
Coding
Modulat...

BW ~ 500MHz
All digital no analogue elements - mixers, amplifies, filters
UWB ON AFTERBURNERS
From UWB
To HWB Hyper Wide B...

5GHz
55GHz
DSS VariAnts
Thermal Noise
Sans pulse and absorption effects
Simple spectral replication reduces the processing...

Huge amounts of electronic complexity along with:
Jitter
Filters
Coding
Modulation
Phase Noise
Doppler Shift
Timing Recove...

$Antennas spanning huge frequency ranges are a non-trivial … and whilst fractal antennas may be the ‘theoretical the holy g...$

Status Quo
Vested Interests
Limited Thinking
Unwillingness to Change
MAJOR Challenge 2

ca-global.org 
cochrane.org.uk
Can governments; FCC, OFCOM et al let go??
After >100 years of trying to be bandwidth effic...

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