human: Given a node-centered hypergraph: <hypergraph>, where nodes represent papers and hyperedges represent sets of papers co-cited by a source paper.

Details of the hypergraph:
Center node: "exploiting channel correlations simple interference alignment schemes with no csit"
  Abstract: We explore a few selected multiuser communication problems where the possibility of interference alignment, and consequently, the total number of degrees of freedom (DoF) with channel uncertainty at the transmitters are unknown. These problems share the common property that in each case the best known outer bounds are essentially robust to channel uncertainty and represent the outcome with interference alignment, but the best inner bounds -- in some cases conjectured to be optimal -- predict a total collapse of DoF, thus indicating the infeasibility of interference alignment under channel uncertainty at transmitters. Our main contribution is to show that even with no knowledge of channel coefficient values at the transmitters, the knowledge of the channels' correlation structure can be exploited to achieve interference alignment.

Connected through hyperedge HE-1 (induced by source paper "achievable dof delay trade offs for the k user mimo interference channel with delayed csit"):
  with members:
    - "genie chains exploring outer bounds on the degrees of freedom of mimo interference networks"
    - "degrees of freedom of the k user miso interference channel with delayed local csit"
    - "on the degrees of freedom of the k user miso interference channel with imperfect delayed csit"
    - "retrospective interference alignment for the 3 user mimo interference channel with delayed csit"
    - "ergodic interference alignment with delayed feedback"
    - "on the degrees of freedom of k user siso interference and x channels with delayed csit"
    - "transmit optimization with improper gaussian signaling for interference channels"
    - "subspace alignment chains and the degrees of freedom of the three user mimo interference channel"

Connected through hyperedge HE-2 (induced by source paper "linear degrees of freedom for k user miso interference channels with blind interference alignment"):
  with members:
    - "linear degrees of freedom of mimo broadcast channels with reconfigurable antennas in the absence of csit"
    - "achievable degrees of freedom of the k user siso interference channel with blind interference alignment using staggered antenna switching"
    - "achievable degrees of freedom through blind interference alignment using staggered antenna switching for the k user siso interference channel"

Connected through hyperedge HE-3 (induced by source paper "experimental evaluation of a reconfigurable antenna system for blind interference alignment"):
  with members:
    - "beamforming in miso systems empirical results and evm based analysis"

Connected through hyperedge HE-4 (induced by source paper "achievable degrees of freedom of the k user siso interference channel with blind interference alignment using staggered antenna switching"):
  with members:
    - "ergodic interference alignment with delayed feedback"
    - "guiding blind transmitters degrees of freedom optimal interference alignment using relays"

Connected through hyperedge HE-5 (induced by source paper "achievable degrees of freedom through blind interference alignment using staggered antenna switching for the k user siso interference channel"):
  with members:
    - "ergodic interference alignment with delayed feedback"

Connected through hyperedge HE-6 (induced by source paper "interference alignment using finite and dependent channel extensions the single beam case"):
  with members:
    - "real interference alignment exploiting the potential of single antenna systems"
    - "on the degrees of freedom achievable through interference alignment in a mimo interference channel"
    - "a feasibility test for linear interference alignment in mimo channels with constant coefficients"
    - "settling the feasibility of interference alignment for the mimo interference channel the symmetric square case"
    - "interference alignment for the k user mimo interference channel"
    - "on feasibility of interference alignment in mimo interference networks"
    - "linear transceiver design for interference alignment complexity and computation"
    - "on feasibility of interference alignment in mimo interference networks"

Connected through hyperedge HE-7 (induced by source paper "precoding based network alignment for three unicast sessions"):
  with members:
    - "graph theoretic characterization of the feasibility of the precoding based 3 unicast interference alignment scheme"
    - "on the feasibility of precoding based network alignment for three unicast sessions"
    - "two unicast information flows over linear deterministic networks"
    - "the approximate capacity of the many to one and one to many gaussian interference channels"
    - "network coding for multiple unicasts an interference alignment approach"
    - "ergodic interference alignment"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"
    - "coding for errors and erasures in random network coding"

Connected through hyperedge HE-8 (induced by source paper "blind fractional interference alignment"):
  with members:
    - "approximate bayesian probabilistic data association aided iterative detection for mimo systems using arbitrary m ary modulation"
    - "fractional interference alignment an interference alignment scheme for finite alphabet signals"
    - "ergodic interference alignment"

Question: Please tell me which class the center node belongs to. The 40 classes are: cs.NA(Numerical Analysis), cs.MM(Multimedia), cs.LO(Logic in Computer Science), cs.CY(Computers and Society), cs.CR(Cryptography and Security), cs.DC(Distributed, Parallel, and Cluster Computing), cs.HC(Human-Computer Interaction), cs.CE(Computational Engineering, Finance, and Science), cs.NI(Networking and Internet Architecture), cs.CC(Computational Complexity), cs.AI(Artificial Intelligence), cs.MA(Multiagent Systems), cs.GL(General Literature), cs.NE(Neural and Evolutionary Computing), cs.SC(Symbolic Computation), cs.AR(Hardware Architecture), cs.CV(Computer Vision and Pattern Recognition), cs.GR(Graphics), cs.ET(Emerging Technologies), cs.SY(Systems and Control), cs.CG(Computational Geometry), cs.OH(Other Computer Science), cs.PL(Programming Languages), cs.SE(Software Engineering), cs.LG(Machine Learning), cs.SD(Sound), cs.SI(Social and Information Networks), cs.RO(Robotics), cs.IT(Information Theory), cs.PF(Performance), cs.CL(Computation and Language), cs.IR(Information Retrieval), cs.MS(Mathematical Software), cs.FL(Formal Languages and Automata Theory), cs.DS(Data Structures and Algorithms), cs.OS(Operating Systems), cs.GT(Computer Science and Game Theory), cs.DB(Databases), cs.DL(Digital Libraries), cs.DM(Discrete Mathematics). Directly output the class name.

gpt: cs.IT(Information Theory)