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: "throughput of cognitive radio systems with finite blocklength codes"
  Abstract: In this paper, throughput achieved in cognitive radio channels with finite blocklength codes under buffer limitations is studied. Cognitive users first determine the activity of the primary users' through channel sensing and then initiate data transmission at a power level that depends on the channel sensing decisions. It is assumed that finite blocklength codes are employed in the data transmission phase. Hence, errors can occur in reception and retransmissions can be required. Primary users' activities are modeled as a two-state Markov chain and an eight-state Markov chain is constructed in order to model the cognitive radio channel. Channel state information (CSI) is assumed to be perfectly known by either the secondary receiver only or both the secondary transmitter and receiver. In the absence of CSI at the transmitter, fixed-rate transmission is performed whereas under perfect CSI knowledge, for a given target error probability, the transmitter varies the rate according to the channel conditions. Under these assumptions, throughput in the presence of buffer constraints is determined by characterizing the maximum constant arrival rates that can be supported by the cognitive radio channel while satisfying certain limits on buffer violation probabilities. Tradeoffs between throughput, buffer constraints, coding blocklength, and sensing duration for both fixed-rate and variable-rate transmissions are analyzed numerically. The relations between average error probability, sensing threshold and sensing duration are studied in the case of variable-rate transmissions.

Connected through hyperedge HE-1 (induced by source paper "noma enhanced terrestrial and aerial iot networks with partial csi"):
  with members:
    - "beyond 5g with uavs foundations of a 3d wireless cellular network"
    - "user association and resource allocation in unified non orthogonal multiple access enabled heterogeneous ultra dense networks"
    - "spectral and energy efficient wireless powered iot networks noma or tdma"
    - "multiple antenna aided noma in uav networks a stochastic geometry approach"
    - "multidimensional constellations for uplink scma systems a comparative study"
    - "mobile unmanned aerial vehicles uavs for energy efficient internet of things communications"
    - "modulation and multiple access for 5g networks"

Connected through hyperedge HE-2 (induced by source paper "transmission energy minimization for heterogeneous low latency noma downlink"):
  with members:
    - "joint power and time allocation for noma mec offloading"
    - "efficient error correcting codes in the short blocklength regime"
    - "delay minimization for noma mec offloading"
    - "short packets over block memoryless fading channels pilot assisted or noncoherent transmission"
    - "joint beamforming and power splitting control in downlink cooperative swipt noma systems"
    - "energy efficient non orthogonal transmission under reliability and finite blocklength constraints"
    - "energy efficient packet scheduling with finite blocklength codes convexity analysis and efficient algorithms"
    - "downlink transmission of short packets framing and control information revisited"

Connected through hyperedge HE-3 (induced by source paper "covert wireless communication in presence of a multi antenna adversary and delay constraints"):
  with members:
    - "multi antenna covert communications in random wireless networks"
    - "low probability of detection communication opportunities and challenges"
    - "gaussian signalling for covert communications"
    - "achieving covert wireless communications using a full duplex receiver"
    - "joint optimization of a uav s trajectory and transmit power for covert communications"
    - "covert wireless communications with channel inversion power control in rayleigh fading"
    - "fundamental limits of covert communication over mimo awgn channel"
    - "covert communication achieved by a greedy relay in wireless networks"

Connected through hyperedge HE-4 (induced by source paper "cross layer design for mission critical iot in mobile edge computing systems"):
  with members:
    - "improving network availability of ultra reliable and low latency communications with multi connectivity"
    - "asynchronous mobile edge computation offloading energy efficient resource management"
    - "energy efficient joint offloading and wireless resource allocation strategy in multi mec server systems"
    - "homa a receiver driven low latency transport protocol using network priorities"
    - "joint uplink and downlink resource configuration for ultra reliable and low latency communications"
    - "performance optimization in mobile edge computing via deep reinforcement learning"
    - "a survey on mobile edge computing the communication perspective"
    - "latency and reliability aware task offloading and resource allocation for mobile edge computing"

Connected through hyperedge HE-5 (induced by source paper "short packet downlink transmission with non orthogonal multiple access"):
  with members:
    - "an optimization perspective of the superiority of noma compared to conventional oma"
    - "optimal joint power and subcarrier allocation for full duplex multicarrier non orthogonal multiple access systems"
    - "wirelessly powered communication networks with short packets"
    - "energy efficient packet scheduling with finite blocklength codes convexity analysis and efficient algorithms"
    - "massive machine type communications in 5g physical and mac layer solutions"
    - "enhancing the physical layer security of non orthogonal multiple access in large scale networks"
    - "performance comparison of short length error correcting codes"
    - "a general mimo framework for noma downlink and uplink transmission based on signal alignment"

Connected through hyperedge HE-6 (induced by source paper "on energy efficient noma designs for heterogeneous low latency downlink transmissions"):
  with members:
    - "short packet communications in non orthogonal multiple access systems"
    - "joint beamforming and power splitting control in downlink cooperative swipt noma systems"
    - "downlink transmission of short packets framing and control information revisited"
    - "blocklength limited performance of relaying under quasi static rayleigh channels"
    - "what will 5g be"
    - "ultra reliable communication in 5g wireless systems"
    - "an adaptive successive cancellation list decoder for polar codes with cyclic redundancy check"

Connected through hyperedge HE-7 (induced by source paper "covert communication with finite blocklength in awgn channels"):
  with members:
    - "covert communication in fading channels under channel uncertainty"
    - "on covert communication with noise uncertainty"
    - "fundamental limits of communication with low probability of detection"
    - "covert communication over noisy channels a resolvability perspective"
    - "optimization of code rates in sisome wiretap channels"
    - "lpd communication when the warden does not know when"
    - "reliable deniable communication hiding messages in noise"
    - "limits of reliable communication with low probability of detection on awgn channels"

Connected through hyperedge HE-8 (induced by source paper "energy efficient non orthogonal transmission under reliability and finite blocklength constraints"):
  with members:
    - "short packet communications in non orthogonal multiple access systems"
    - "joint beamforming and power splitting control in downlink cooperative swipt noma systems"
    - "energy efficient packet scheduling with finite blocklength codes convexity analysis and efficient algorithms"
    - "downlink transmission of short packets framing and control information revisited"
    - "blocklength limited performance of relaying under quasi static rayleigh 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)