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24 Νοε 2013 (πριν από 3 χρόνια και 11 μήνες)

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Communications and
Networking

Research


Winston Seah

School of Engineering and Computer Science

Victoria University of Wellington

Research Scope


Spanning Physical to Transport layers


Key interest areas:


Cognitive radio networks


Mobile/wireless multihop and sensor networks


network measurement and traffic analysis


NGN/4G/5G


MIMO systems


wireless channel modeling


Other areas of expertise:


Communications signal processing such as signal separation,
multichannel systems and tracking


Underwater networking


Theoretical approaches to networking based on game theory,
queueing theory, etc.

Group Members

Multiple Antenna Systems


T
iming Synchronisation in MIMO receivers.


Effects of spatial correlation on system performance


Cognitive Radio


Interference Modelling and Mitigation Strategies.


Impact of imperfect channel knowledge on system
capacity

Research Areas (Pawel Dmochowski)

Green Communications


System Optimisation


Fundamental Information Theoretic implications


Software Defined Radio Implementations

Research Areas (Pawel Dmochowski)

Research Areas (Winston Seah)

Robust e2e wireless multi
-
hop protocols for harsh
environments, e.g.


Powered by ambient energy harvesting where
energy source is irregular and unpredictable


Underwater with acoustic communications ;


Presence of strong interference from metallic
objects (construction sites, warehouses, ...);


Adverse weather conditions (heavy rain, snow,
sleet, etc);

Application Areas (Winston Seah)

Green wireless technology for:


Structural health monitoring


Agriculture and farming


Environmental monitoring


Logistics


Healthcare


Monitoring and surveillance for Homeland security


Research Areas (Qiang Fu)

Network congestion control and QoS provisioning


Transport layer protocols in high bandwidth
-
delay
-
product (BDP), wireless and harsh environments.


Parallel data transmissions (including multipath
transmission).


Clean
-
state design of the Internet.

Research Areas (Qiang Fu)

Network measurement and traffic analysis


Correlation between network flows.


Difference between Internet core networks and wireless
access networks.


Measurements revealing user and application
behaviours and security implications.

Cross
-
layer coordination


Cross
-
layer coordination using software
-
defined radio
(SDR).

Research Focus (Paul Teal)

Signal Processing for Communications,
Acoustics and Biomedical Devices


Blind Source Separation


Bayesian Tracking


Machine Learning


Nonlinear System Modelling


Convex Optimization

Application Areas (Paul Teal)

Signal Processing for:


Mobile MIMO channel prediction


Foetal heart beat detection


Seziure Detection


Cochlear modelling


Sonar


Acoustic holography


Radioisotope identification for Homeland security


Seismic tremor detection