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 communication via optimum power allocation for type i arq in finite block length"
  Abstract: We analyze the performance of the type-I automatic repeat request (ARQ) protocol with ultra-reliability constraints. First, we show that achieving a very low packet outage probability by using an open loop setup is a difficult task. Thus, we introduce the ARQ protocol as a solution for achieving the required low outage probabilities for ultra reliable communication. For this protocol, we present an optimal power allocation scheme that would allow us to reach any outage probability target in the finite block-length regime. We formulate the power allocation problem as minimization of the average transmitted power under a given outage probability and maximum transmit power constraint. By utilizing the Karush-Kuhn-Tucker (KKT) conditions, we solve the optimal power allocation problem and provide a closed form solution. Next, we analyze the effect of implementing the ARQ protocol on the throughput. We show that by using the proposed power allocation scheme we can minimize the loss of throughput that is caused from the retransmissions. Furthermore, we analyze the effect of the feedback delay length in our scheme.

Connected through hyperedge HE-1 (induced by source paper "ultra reliable communication via optimum power allocation for harq retransmission schemes"):
  with members:
    - "effective capacity and power allocation for machine type communication"
    - "low latency short packet transmissions fixed length or harq"
    - "on the effective energy efficiency of ultra reliable networks in the finite blocklength regime"
    - "short packet communications over multiple antenna rayleigh fading channels"
    - "energy efficient adaptive power allocation for incremental mimo systems"
    - "green communication via type i arq finite block length analysis"
    - "finite block length analysis of the incremental redundancy harq"
    - "ultra reliable communication in 5g wireless systems"

Connected through hyperedge HE-2 (induced by source paper "on the performance of non orthogonal multiple access in the finite blocklength regime"):
  with members:
    - "on the effective energy efficiency of ultra reliable networks in the finite blocklength regime"
    - "short packet communications in non orthogonal multiple access systems"
    - "on the effective capacity of mtc networks in the finite blocklength regime"
    - "non orthogonal multiple access noma in cellular uplink and downlink challenges and enabling techniques"
    - "low latency ultra reliable 5g communications finite blocklength bounds and coding schemes"
    - "finite block length analysis of the incremental redundancy harq"
    - "ultra reliable communication in 5g wireless systems"
    - "quasi static simo fading channels at finite blocklength"

Connected through hyperedge HE-3 (induced by source paper "power allocation for type i arq two hop cooperative networks for ultra reliable communication"):
  with members:
    - "on the performance of the relay arq networks"

Connected through hyperedge HE-4 (induced by source paper "performance analysis of ultra reliable short message decode and forward relaying protocols"):
  with members:
    - "network slicing for ultra reliable low latency communication in industry 4 0 scenarios"
    - "ultra reliable short message cooperative relaying protocols under nakagami m fading"
    - "on the performance of ultra reliable decode and forward relaying under the finite blocklength"
    - "wireless access for ultra reliable low latency communication urllc principles and building blocks"
    - "energy efficient design for tactile internet"
    - "massive machine type communications in 5g physical and mac layer solutions"
    - "blocklength limited performance of relaying under quasi static rayleigh channels"
    - "what will 5g be"

Connected through hyperedge HE-5 (induced by source paper "finite blocklength communications in smart grids for dynamic spectrum access and locally licensed scenarios"):
  with members:
    - "ultra reliable cooperative short packet communications with wireless energy transfer"
    - "5g mobile cellular networks enabling distributed state estimation for smart grids"
    - "convolutive superposition for multicarrier cognitive radio systems"
    - "maximizing the link throughput between smart meters and aggregators as secondary users under power and outage constraints"
    - "massive machine type communications in 5g physical and mac layer solutions"
    - "contention based geographic forwarding strategies for wireless sensors networks"
    - "next generation m2m cellular networks challenges and practical considerations"
    - "a survey on internet of things from industrial market perspective"

Connected through hyperedge HE-6 (induced by source paper "statistical qos provisioning for mtc networks under finite blocklength"):
  with members:
    - "on the effective capacity of mtc networks in the finite blocklength regime"
    - "low latency ultra reliable 5g communications finite blocklength bounds and coding schemes"
    - "blocklength limited performance of relaying under quasi static rayleigh channels"
    - "next generation m2m cellular networks challenges and practical considerations"
    - "ultra reliable communication in 5g wireless systems"
    - "throughput analysis of buffer constrained wireless systems in the finite blocklength regime"

Connected through hyperedge HE-7 (induced by source paper "on the effective energy efficiency of ultra reliable networks in the finite blocklength regime"):
  with members:
    - "on the effective capacity of mtc networks in the finite blocklength regime"
    - "fundamentals of the downlink green coverage and energy efficiency in heterogeneous networks"
    - "power minimization under statistical delay constraints for multi hop wireless industrial networks"
    - "blocklength limited performance of relaying under quasi static rayleigh channels"
    - "ultra reliable communication in 5g wireless systems"

Connected through hyperedge HE-8 (induced by source paper "ultra reliable communication via opportunistic arq transmission in cognitive networks"):
  with members:
    - "on the effective capacity of mtc networks in the finite blocklength regime"
    - "ultra reliable communication in 5g wireless systems"

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)