Stream Collision Management in MIMO Ad-Hoc Network Sustaining the Lower Bound of QoS

  • Viktor ZaharovEmail author
  • Angel Lambertt
  • Olena Polyanska
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 313)


The ad hoc wireless network that operates in the rich multipath propagation environment is considered. It is supposed that the node-to-node communication link are performed with multi-element antennas and MIMO spatial multiplexing transmitting-receiving strategy in use. The signal-to-interference-plus-noise-ratio (SINR) in the presence of interpath interference is analyzed. The cooperation among transmitted node is used to avoid the stream collision through the concurrent paths when the performance criteria is the quality of service (QoS) of peer-to-peer links is considered. The revised water pouring algorithm (RWPA) that helps to redistribute the power among the transmitted antennas according to QoS performance criteria is discussed. The proposed approach of the stream collision management allows to avoid the interpath interference as well as to maintain at least lower bound of QoS. The simulation part analyzes scenario with two pairs of node-to-node communication links.


Ad hoc networks Array signal processing Channel state information MIMO Multiuser communications Spatial multiplexing Water pouring algorithm 


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Copyright information

© Springer International Publishing Switzerland 2015

Authors and Affiliations

  • Viktor Zaharov
    • 1
    Email author
  • Angel Lambertt
    • 2
  • Olena Polyanska
    • 3
  1. 1.Polytechnic University of Puerto RicoSan JuanUSA
  2. 2.Universidad Anahuac NorteHuixquilucanMexico
  3. 3.University of Puerto RicoSan JuanUSA

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