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: "ultra reliable low latency cellular networks use cases challenges and approaches"
  Abstract: The fifth-generation cellular mobile networks are expected to support mission critical ultra-reliable low latency communication (uRLLC) services in addition to the enhanced mobile broadband applications. This article first introduces three emerging mission critical applications of uRLLC and identifies their requirements on end-to-end latency and reliability. We then investigate the various sources of end-to-end delay of current wireless networks by taking the 4G Long Term Evolution (LTE) as an example. Subsequently, we propose and evaluate several techniques to reduce the end-to-end latency from the perspectives of error control coding, signal processing, and radio resource management. We also briefly discuss other network design approaches with the potential for further latency reduction.

Connected through hyperedge HE-1 (induced by source paper "physical layer security for ultra reliable and low latency communications"):
  with members:
    - "short packet downlink transmission with non orthogonal multiple access"
    - "ultra reliable and low latency communications in 5g downlink physical layer aspects"
    - "location based beamforming for enhancing secrecy in rician wiretap channels"
    - "analysis of short blocklength codes for secrecy"
    - "ber based physical layer security with finite codelength combining strong converse and error amplification"
    - "on stochastic geometry modeling of cellular uplink transmission with truncated channel inversion power control"
    - "on secrecy above secrecy capacity"

Connected through hyperedge HE-2 (induced by source paper "dynamic harq with guaranteed delay"):
  with members:
    - "fast harq over finite blocklength codes a technique for low latency reliable communication"
    - "low latency short packet transmissions fixed length or harq"
    - "ultra reliable and low latency wireless communication tail risk and scale"
    - "harq buffer management an information theoretic view"
    - "finite block length analysis of the incremental redundancy harq"
    - "coding versus arq in fading channels how reliable should the phy be"

Connected through hyperedge HE-3 (induced by source paper "noncoherent and non orthogonal massive simo for critical industrial iot communications"):
  with members:
    - "fractional programming for communication systems part i power control and beamforming"
    - "quadrature amplitude modulation division for multiuser miso broadcast channels"
    - "design and performance analysis of noncoherent detection systems with massive receiver arrays"
    - "energy based modulation for noncoherent massive simo systems"
    - "large system analysis of linear precoding in correlated miso broadcast channels under limited feedback"

Connected through hyperedge HE-4 (induced by source paper "noncoherent multiuser massive simo for low latency industrial iot communications"):
  with members:
    - "quadrature amplitude modulation division for multiuser miso broadcast channels"
    - "design and performance analysis of noncoherent detection systems with massive receiver arrays"

Connected through hyperedge HE-5 (induced by source paper "wireless access in ultra reliable low latency communication urllc"):
  with members:
    - "how reliable and capable is multi connectivity"
    - "wireless channel dynamics and robustness for ultra reliable low latency communications"
    - "improving network availability of ultra reliable and low latency communications with multi connectivity"
    - "packet duplication in dual connectivity enabled 5g wireless networks overview and challenges"
    - "massive mimo for ultra reliable communications with constellations for dual coherent noncoherent detection"
    - "ultra reliable and low latency wireless communication tail risk and scale"
    - "energy latency tradeoff in ultra reliable low latency communication with retransmissions"
    - "ultra reliable and low latency communications in 5g downlink physical layer aspects"

Connected through hyperedge HE-6 (induced by source paper "simple semi grant free transmission strategies assisted by non orthogonal multiple access"):
  with members:
    - "short packet downlink transmission with non orthogonal multiple access"
    - "massive connectivity with massive mimo part ii achievable rate characterization"
    - "massive connectivity with massive mimo part i device activity detection and channel estimation"
    - "a survey on non orthogonal multiple access for 5g networks research challenges and future trends"
    - "noma based random access with multichannel aloha"
    - "optimal joint power and subcarrier allocation for full duplex multicarrier non orthogonal multiple access systems"
    - "dynamic user clustering and power allocation for uplink and downlink non orthogonal multiple access noma systems"
    - "uplink non orthogonal multiple access for 5g wireless networks"

Connected through hyperedge HE-7 (induced by source paper "short packet two way amplify and forward relaying"):
  with members:
    - "ultra reliable short packet communications half duplex or full duplex relaying"
    - "blocklength limited performance of relaying under quasi static rayleigh channels"
    - "finite block length analysis of the incremental redundancy harq"
    - "ultra reliable communication in 5g wireless systems"
    - "quasi static multiple antenna fading channels at finite blocklength"

Connected through hyperedge HE-8 (induced by source paper "ultra reliable short packet communications half duplex or full duplex relaying"):
  with members:
    - "blocklength limited performance of relaying under quasi static rayleigh channels"
    - "finite block length analysis of the incremental redundancy harq"

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)