Wireless computer networks

One aspect of research in this area involves improving the security of the Wireless Local Area Networks (WLANs) by the development of a generalised reference model for Intrusion Detection System (IDS). This model is capable of being used in the same manner as the OSI/ISO reference model for computer networks, namely as a reference for evaluation of the current and development of the future IDSs for WLANs.

Femtocell is an active area for research in wireless access networks. The femtocell concept aims to combine fixed-line broadband access with cellular telephony using the deployment of low cost, low power, cellular base stations in the subscriber's home. However, the deployment of a femtocell layer will impact the performance of the existing macrocells.

The spectrum resources allocation and the interference avoidance are some of the challenges involved before femtocells can be widely deployed. Hence, research in this area involves the analysis of interference between femtocells and macrocells in the context of OFDMA-based networks such as LTE and WiMAX. In addition, the research work involves the investigation of how femtocells will affect each other, as well as power control and dynamic channel allocation strategies to mitigate interference.

Computer networking research student performing experimental work

Computer networking research student performing experimental work

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Wireless computer networks

 

Radio transmission model 

 

3D perspective of geographical area 

 
 Computer networking research student performing experimental work

Research student performing experimental work 

 
Computer networking research students

Computer networking research students 

 

Model of received power levels of ray-tracing 

 
Signal Coverage at various base-station nodes

Signal coverage at various base-station nodes