によって Graeme Smith 17年前.
512
"Dirty" WiFi Trials
A detailed examination of various WiFi-enabled environments reveals the intricacies of wireless signal behavior and the impact of different conditions on data transmission. The study contrasts controlled and uncontrolled locations, identifying factors such as interference from other devices, signal strength, and the presence of obstacles.
開く
"Dirty" WiFiTrials Fixed
Receivers Reciever Rx only
Node 1
Directional
Equipment Storage Data USB Drive
DVDs
"Calibrated" Etc
Opprtunity Transmitter Activities
Data transfer
Laptops
D-Link Router Access Point Receiver Antennas Patch
One
15°/30°
8°
Six
Spectrum analyzer Investigate
NetRAD Channels
Sychronized
3
Flexible
Records
Persmission Bookings Health & Safety Security Cloisters E&EE Building Barlow Room
Small
Corridoor
Realistic
Limits
Space
Users
Sports Hall Astor College
Bloomsbury
ULU
Clutter Map
Stationary Flat Plate Dismantled
Cylinder Moving People Opportunity
Volunteers
Motions
Walking
Running
Groups
Individuals
Detection Uncontrolled Heath & Safety Cables
WiFi Enabled
Used
Situation Unknown!
Locations No WiFi
D-Link
Empty
Situations Bad
Good
Range
Doppler
Characterization Real Traffic Lecture
Lunch
None
Late
Early
Lecture Theatre
JBR
Library
RoamNET Controlled Network Busy
Idle
Beacon Waveform Modulation Standard 802.11
g
b
a
rare in uk
Bandwidth Prediction Location Mapping Deadspots Hotspots Others Bluetooth
Phones
Networks Multipath Objects Walls Floor Bounces Multiple
Possibilities
Many
Complex
Single
Simpler
Powers Dependencies Environment
Topologies
Targets
Noise Signal Interference
Direct
DSI--Target Ratio
Echo
Reference
