Wireless communication networks: network interworking, and resource, mobility and traffic management

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The proposed research will investigate into resource, mobility and traffic management issues in hybrid wireless/wireline networks (e.g., wireless LANs, cellular and Internet) and interworked wireless mesh networks such as WiFi (IEEE 802.11 series) and WiMAX (IEEE 802.16 series). The long term objective is to develop in-depth knowledge towards the construction of a flexible and robust cross-domain internetworking architecutre, i.e., an information transport platform, for handling multimedia services in fixed and mobile environments. The short term objectives are to (i) investigate cooperative diversity with partial channel state information, to be acquired via channel estimation, (ii) investigate dynamic spectral access in cognitive radio, (iii) investigate cross-layer design and optimization for interworked wireless mesh networks, and (iv) develop modeling and analysis methods for wireless Internet. The results from the short term objectives will form the building blocks toward fulfillment of the long term objective.