WDN-CN 2012 - WDN Workshop on Cooperative and Heterogeneous Cellular Networks

In the last decade, telecommunication has experienced a tremendous success causing proliferation of new
applications which have increased the demand for both cellular and ubiquitous heterogeneous broadband mobile
wireless networks. However, traditional cellular network is not capable of accommodating huge amount of high data
traffic users. It furthermore suffers from the so-called cell-edge problem where users at the cell boarders are subject
to low throughput due to pathloss and diverse propagation conditions to multiple cells yielding co-channel interference.
To address these issues, coordinated multi-point (CoMP) transmission/reception and heterogeneous networks
(HetNET) play a key role for future cellular networks. In the CoMP technique, adjacent cells coordinate to transmit
towards cell-edge users to solve the cell-edge problem. On the other hand, deployment of heterogeneity in the
network is seen as one of the most promising solutions to support the increasing data traffic demand, offloading
macrocell traffic, reducing the carbon footprint, and lowering operators OPEX/CAPEX expenditures. Future CoMP and
HetNET are based on the idea of deploying short-range, low-power and low-cost base stations and encompass a mix
of cell types, such as micro, pico, femto cells as well as advanced wireless relays and distributed antennas.
Scope and Objectives:
This one full-day workshop is co-located with the IEEE Personal Indoor and Mobile Radio Communications Conference
2012 (http://www.ieee-pimrc.org/). The main objective of the workshop is to offer an opportunity for academic and
industrial researchers for spreading and sharing results and understanding for making communications networks more
energy efficient than they are today. Topics of interest may include, but are not limited to the following:
? Downlink coordinated multipoint transmission
? Limited feedback techniques including channel
state and network state feedback
? User scheduling and resource allocation
techniques
? Cooperation set clustering
? Antenna design facilitating CoMP and multiuser
MIMO
? CoMP cell planning
? Cellular topology considering Remote Radio
Head
? Base station backbone topology, signalling and
protocols
? Base station synchronization (frequency/time)
? Self-organizing networks and reinforcement
learning
? Protocols and protocol extensions to enable
energy efficient networks
? Traffic engineering
? Cognitive, cooperative and reconfigurable
networks
? Efficient management of terminal equipment
? Interference-aware radio planning
? Low electro magnetic exposure
? Regulatory aspects (e.g., co-existence, new
spectrum, lawful interception) and business
cases
? Mobility management and handoffs
? Backhaul and networking issues
? Massive MIMO vs. dense heterogeneous
networks
? Trade-offs between femtocells, picocells,
advanced relays, and distributed antenna
systems
? Channel and interference models
? Network load balance and smart information
storage in distributed networks
? Game theoretical techniques for future
heterogeneous networks
? eCIC techniques for heterogeneous networks
? Energy evaluation and comparison of
heterogeneous network technologies
? Regulation and standardization
? Energy-aware radio planning
? Energy efficient mechanisms in heterogeneous
networks
? Open and closed access operation modes
? Interference analysis, avoidance, and
mitigation for heterogeneous networks