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: "statistical characterization of kappa mu shadowed fading"
  Abstract: This paper investigates a natural generalization of the kappa-mu fading channel in which the line-of-sight (LOS) component is subject to shadowing. This fading distribution has a clear physical interpretation, good analytical properties and unifies the one-side Gaussian, Rayleigh, Nakagami-m, Ricean, kappa-mu and Ricean shadowed fading distributions. The three basic statistical characterizations, i.e. probability density function (PDF), cumulative distribution function (CDF) and moment generating function (MGF), of the kappa-mu shadowed distribution are obtained in closed-form. Then, it is also shown that the sum and maximum distributions of independent but arbitrarily distributed kappa-mu shadowed variates can be expressed in closed-form. This set of new statistical results is finally applied to the performance analysis of several wireless communication systems.

Connected through hyperedge HE-1 (induced by source paper "outage probability and rate for kappa mu shadowed fading in interference limited scenario"):
  with members:
    - "the kappa mu shadowed fading model with integer fading parameters"
    - "on the sum of correlated squared kappa mu shadowed random variables and its application to performance analysis of mrc"
    - "analytical evaluation of fractional frequency reuse for ofdma cellular networks"

Connected through hyperedge HE-2 (induced by source paper "unified stochastic geometry modeling and analysis of cellular networks in los nlos and shadowed fading"):
  with members:
    - "modeling and analysis of cellular networks using stochastic geometry a tutorial"
    - "unified stochastic geometry model for mimo cellular networks with retransmissions"
    - "coverage analysis in downlink poisson cellular network with kappa mu shadowed fading"
    - "modeling cellular networks in fading environments with dominant specular components"
    - "on modeling coverage and rate of random cellular networks under generic channel fading"
    - "optimizing user association and spectrum allocation in hetnets a utility perspective"
    - "hethetnets heterogeneous traffic distribution in heterogeneous wireless cellular networks"
    - "downlink cellular network analysis with multi slope path loss models"

Connected through hyperedge HE-3 (induced by source paper "coverage analysis in downlink poisson cellular network with kappa mu shadowed fading"):
  with members:
    - "modeling cellular networks in fading environments with dominant specular components"
    - "the mean interference to signal ratio and its key role in cellular and amorphous networks"
    - "downlink mimo hetnets modeling ordering results and performance analysis"
    - "average rate of downlink heterogeneous cellular networks over generalized fading channels a stochastic geometry approach"
    - "heterogeneous cellular networks with flexible cell association a comprehensive downlink sinr analysis"
    - "downlink coverage analysis in a heterogeneous cellular network"
    - "a tractable approach to coverage and rate in cellular networks"

Connected through hyperedge HE-4 (induced by source paper "the fluctuating two ray fading model statistical characterization and performance analysis"):
  with members:
    - "28 ghz millimeter wave ultrawideband small scale fading models in wireless channels"
    - "mgf approach to the analysis of generalized two ray fading models"
    - "millimeter wave channel modeling and cellular capacity evaluation"
    - "five disruptive technology directions for 5g"

Connected through hyperedge HE-5 (induced by source paper "on high order capacity statistics of spectrum aggregation systems over kappa mu and kappa mu shadowed fading channels"):
  with members:
    - "on the sum of correlated squared kappa mu shadowed random variables and its application to performance analysis of mrc"
    - "on the computation of the higher order statistics of the channel capacity for amplify and forward multihop transmission"
    - "on the computation of the higher order statistics of the channel capacity over generalized fading channels"

Connected through hyperedge HE-6 (induced by source paper "on the multivariate gamma gamma distribution with arbitrary correlation and applications in wireless communications"):
  with members:
    - "on the ergodic capacity of mimo free space optical systems over turbulence channels"
    - "unified performance analysis of mixed radio frequency free space optical dual hop transmission systems"
    - "on the distribution of the sum of gamma gamma variates and applications in rf and optical wireless communications"

Connected through hyperedge HE-7 (induced by source paper "unified analysis of cooperative spectrum sensing over composite and generalized fading channels"):
  with members:
    - "analytic solutions to a marcum q function based integral and application in energy detection of unknown signals over multipath fading channels"
    - "eigenvalue based spectrum sensing algorithms for cognitive radio"
    - "spectrum sensing algorithms for cognitive radio based on statistical covariances"

Connected through hyperedge HE-8 (induced by source paper "the kappa mu shadowed fading model with integer fading parameters"):
  with members:
    - "mgf approach to the analysis of generalized two ray fading models"
    - "on the sum of correlated squared kappa mu shadowed random variables and its application to performance analysis of mrc"

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)