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 delay tradeoffs in buffer aided two hop wireless communication systems"
  Abstract: This paper analyzes the impact of statistical delay constraints on the achievable rate of a two-hop wireless communication link, in which the communication between a source and a destination is accomplished via a buffer-aided relay node. It is assumed that there is no direct link between the source and the destination, and the buffer-aided relay forwards the information to the destination by employing the decode-and-forward scheme. Given statistical delay constraints specified via maximum delay and delay violation probability, the tradeoff between the statistical delay constraints imposed on any two concatenated queues is identified. With this characterization, the maximum constant arrival rates that can be supported by this two-hop link are obtained by determining the effective capacity of such links as a function of the statistical delay constraints, signal-to-noise ratios (SNR) at the source and relay, and the fading distributions of the links. It is shown that asymmetric statistical delay constraints at the buffers of the source and relay node can improve the achievable rate. Overall, the impact of the statistical delay tradeoff on the achievable throughput is provided.

Connected through hyperedge HE-1 (induced by source paper "effective capacity in wireless networks a comprehensive survey"):
  with members:
    - "ultra reliable and low latency wireless communication tail risk and scale"
    - "performance analysis of noma for ultra reliable and low latency communications"
    - "wireless access for ultra reliable low latency communication urllc principles and building blocks"
    - "secure transmission of delay sensitive data over wireless fading channels"
    - "energy efficient ofdma networks maintaining statistical qos guarantees for delay sensitive traffic"
    - "statistical qos analysis of full duplex and half duplex heterogeneous cellular networks"
    - "effective capacity of retransmission schemes a recurrence relation approach"
    - "backlog and delay reasoning in harq systems"

Connected through hyperedge HE-2 (induced by source paper "buffer aided relaying for the two hop full duplex relay channel with self interference"):
  with members:
    - "virtual full duplex buffer aided relaying in the presence of inter relay interference"
    - "all digital self interference cancellation technique for full duplex systems"
    - "on the capacity of the two hop half duplex relay channel"
    - "achievable rates for the fading half duplex single relay selection network using buffer aided relaying"
    - "a buffer aided successive opportunistic relay selection scheme with power adaptation and inter relay interference cancellation for cooperative diversity systems"
    - "effective capacity of buffer aided full duplex relay systems with selection relaying"
    - "capacity of the gaussian two hop full duplex relay channel with residual self interference"
    - "buffer aided relaying with adaptive link selection"

Connected through hyperedge HE-3 (induced by source paper "outage effective capacity of buffer aided diamond relay systems using harq with incremental redundancy"):
  with members:
    - "effective capacity of retransmission schemes a recurrence relation approach"
    - "backlog and delay reasoning in harq systems"
    - "achievable rates for the fading half duplex single relay selection network using buffer aided relaying"
    - "using superposition codebooks and partial decode and forward in low snr parallel relay networks"
    - "buffer aided relaying with adaptive link selection fixed and mixed rate transmission"
    - "broadcast approaches to the diamond channel"

Connected through hyperedge HE-4 (induced by source paper "optimal relay selection for the parallel hybrid rf fso relay channel non buffer aided and buffer aided designs"):
  with members:
    - "optical communication in space challenges and mitigation techniques"
    - "hybrid radio free space optical design for next generation backhaul systems"
    - "achievable rates for the fading half duplex single relay selection network using buffer aided relaying"
    - "achievable rate region of the bidirectional buffer aided relay channel with block fading"
    - "experiment driven characterization of full duplex wireless systems"
    - "a simple cooperative diversity method based on network path selection"

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)