Interference avoidance and mitigation techniques for hybrid satellite-terrestrial networks

Interference avoidance and mitigation techniques for hybrid satellite-terrestrial networks

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In this chapter, we described interference avoidance and mitigation techniques for hybrid satellite-terrestrial MBH systems. More specifically, we considered a hybrid backhaul setup where the satellite segment off-loads the terrestrial one and enhances the overall capacity of the system. Moreover, we assumed that these two segments share the same spectrum, in order to utilize more efficiently this scarce and expensive resource. In addition, in the proposed system, the backhaul nodes are equipped with antenna arrays instead of drum antennas and make use of multiantenna communication techniques.

Chapter Contents:

  • 16.1 Introduction
  • 16.1.1 5G radio access technologies
  • 16.1.2 MIMO communication technologies
  • 16.1.3 Flexible hybrid satellite-terrestrial backhaul
  • 16.1.4 Chapter objectives and structure
  • 16.2 Load-controlled parasitic antenna arrays
  • 16.3 Robust arbitrary channel-dependent precoding method
  • 16.4 Low-complexity communication protocol for single-cell MU-MIMO/CoMP setups
  • 16.5 Signal and interference modeling
  • 16.5.1 SU-MIMO setup
  • 16.5.2 Single-cell MU-MIMO/JT CoMP setup
  • 16.6 Joint precoding schemes
  • 16.6.1 Linear precoding schemes
  • 16.6.2 Symbol-level precoding
  • 16.7 Optimal transmission technique under an interfered receiver constraint
  • 16.7.1 Problem formulation
  • 16.7.2 Derivation of the solution
  • Optimality conditions
  • Solution
  • The algorithm
  • 16.8 Proposed LC-MAMP design
  • 16.9 Numerical simulations
  • 16.9.1 SU-MIMO setup
  • Intrasystem interference scenario
  • Intersystem interference scenario
  • 16.9.2 CoMP setup
  • 16.9.3 Symbol-level ZFBF
  • 16.10 Summary
  • References

Inspec keywords: antenna arrays; satellite antennas; satellite communication; interference suppression

Other keywords: backhaul nodes; interference mitigation techniques; hybrid satellite-terrestrial MBH systems; hybrid backhaul setup; interference avoidance; multiantenna communication techniques; hybrid satellite-terrestrial networks; drum antennas; antenna arrays

Subjects: Satellite communication systems; Antenna arrays; Electromagnetic compatibility and interference

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