IEEE International Conference on Communications
20-24 May 2019 // Shanghai, China
Empowering Intelligent Communications

W07: Workshop on User-Centric Cell-Free Ultra-Dense Massive MIMO Networks

W07: Workshop on User-Centric Cell-Free Ultra-Dense Massive MIMO Networks

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FIRST WORKSHOP ON USER-CENTRIC CELL-FREE ULTRA-DENSE MASSIVE MIMO NETWORKS

Driven by the development of mobile Internet and smart phones, data traffic grows exponentially in current mobile communication systems. Massive multiple-input multiple-output (MIMO) is an exciting area of 5G wireless research to enable extraordinary gains in capacity and energy efficiency. The Massive MIMO technology can bring at least ten-fold improvements in area throughput by increasing the spectral efficiency (bit/s/Hz/cell), while using the same bandwidth and density of base stations as in current networks. Recently, a new concept for cell-free network architecture based on Massive MIMO has been proposed as Cell-Free Massive MIMO, which is different from the conventional Distributed Massive MIMO. With Distributed Massive MIMO, the base station antennas are distributed within each cell, and these antennas only serve user terminals within that cell. By contrast, in Cell-Free Massive MIMO there are no cells. All service antennas coherently serve all user terminals. However, these potential solutions also contain a large number of as yet unsolved research problems.

Also, initial estimations indicate that, different from the evolutionary path of previous cellular generations that was based on spectral efficiency improvements; the most substantial amount of future system performance gains will be obtained by means of network infrastructure densification. The opportunities and challenges of the fifth-generation (5G) rapidly gain great attention from academics, industries, and governments.  Ultra dense network (UDN) is a promising technique to meet the requirements of explosive data traffic in 5G mobile communications. Moreover, when overlaid on top of the macrocells, low power small cells (such as femtocell and picocell) can improve the coverage and capacity of cellular networks by exploiting spatial reuse of the spectrum. Dense small cells can also offload the wireless data traffic from macrocells, especially in indoor environments where more than 80% of the data traffic occurs.

This workshop will bring together academic and industrial researchers to identify and discuss technical challenges and recent results related to the User-Centric Ultra-Dense Cell-Free Massive MIMO Networks. Topics of interest include but are not limited to the following:

  • Fundamental communication theory for Ultra-Dense Cell-Free or Distributed Massive MIMO
  • Non-orthogonal multiple access techniques in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Spectral and Energy efficiency in Ultra-Dense Cell-Free or Distributed Massive MIMO
  • Channel modeling and estimation and feedback in Ultra-Dense Cell-Free and Distributed Massive MIMO
  • Signal detection in Ultra-Dense Cell-Free and Distributed Massive MIMO
  • Precoding in Ultra-Dense Cell-Free or Distributed Massive MIMO
  • Backhaul and fronthaul design in Ultra-Dense Cell-Free or Distributed Massive MIMO
  • Ultra-dense deployments and mobile edge computing
  • Leveraging ultra-dense deployments for in-network caching
  • Power control in Ultra-Dense Cell-Free or Distributed Massive MIMO
  • Resource allocation in Ultra-Dense Cell-Free or Distributed Massive MIMO
  • Physical layer security in Ultra-Dense Cell-Free or Distributed Massive MIMO
  • D2D, Cognitive radio in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Cloud-RAN and Fog-RAN in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Small Cells, HetNets in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Game theory in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Software defined networking in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Self-organizing Networks in Ultra Dense Cell-Free or Distributed Massive MIMO
  • Big data in Ultra Dense Cell-Free or Distributed Massive MIMO
  • IoT, Vehicular networks in Ultra Dense Cell-Free or Distributed Massive MIMO

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