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: "on single antenna rayleigh block fading channels at finite blocklength"
  Abstract: This paper concerns the maximum coding rate at which data can be transmitted over a noncoherent, single-antenna, Rayleigh block-fading channel using an error-correcting code of a given blocklength with a block-error probability not exceeding a given value. A high-SNR normal approximation of the maximum coding rate is presented that becomes accurate as the signal-to-noise ratio (SNR) and the number of coherence intervals L over which we code tend to infinity. Numerical analyses suggest that the approximation is accurate already at SNR values of 15 dB and when the number of coherence intervals is 10 or more.

Connected through hyperedge HE-1 (induced by source paper "saddlepoint approximations for short packet wireless communications"):
  with members:
    - "secure short packet communications for mission critical iot applications"
    - "efficient error correcting codes in the short blocklength regime"
    - "short packet downlink transmission with non orthogonal multiple access"
    - "5g wireless network slicing for embb urllc and mmtc a communication theoretic view"
    - "short packets over block memoryless fading channels pilot assisted or noncoherent transmission"
    - "joint sum rate and error probability optimization finite blocklength analysis"
    - "coherent multiple antenna block fading channels at finite blocklength"
    - "coding in the finite blocklength regime bounds based on laplace integrals and their asymptotic approximations"

Connected through hyperedge HE-2 (induced by source paper "saddlepoint approximations for rayleigh block fading channels"):
  with members:
    - "low complexity joint channel estimation and list decoding of short codes"
    - "short packets over block memoryless fading channels pilot assisted or noncoherent transmission"
    - "64 apsk constellation and mapping optimization for satellite broadcasting using genetic algorithms"
    - "short packet communications over multiple antenna rayleigh fading channels"
    - "on the capacity of large mimo block fading channels"

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)