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: "stability and performance issues of a relay assisted multiple access scheme with mpr capabilities"
  Abstract: In this work, we study the impact of a relay node to a network with a finite number of users-sources and a destination node. We assume that the users have saturated queues and the relay node does not have packets of its own; we have random access of the medium and the time is slotted. The relay node stores a source packet that it receives successfully in its queue when the transmission to the destination node has failed. The relay and the destination nodes have multi-packet reception capabilities. We obtain analytical equations for the characteristics of the relay's queue such as average queue length, stability conditions etc. We also study the throughput per user and the aggregate throughput for the network.

Connected through hyperedge HE-1 (induced by source paper "wireless network level partial relay cooperation a stable throughput analysis"):
  with members:
    - "relay selection in cooperative power line communication a multi armed bandit approach"
    - "wireless energy harvesting in a cognitive relay network"
    - "energy aware wireless relay selection in load coupled ofdma cellular networks"
    - "probabilistic cooperation of a full duplex relay in random access networks"
    - "on the stability of random multiple access with stochastic energy harvesting"
    - "effect of energy harvesting on stable throughput in cooperative relay systems"
    - "relay assisted multiple access with full duplex multi packet reception"
    - "5g cellular key enabling technologies and research challenges"

Connected through hyperedge HE-2 (induced by source paper "performance analysis of a cooperative wireless network with adaptive relays a network level study"):
  with members:
    - "random access in c ran for user activity detection with limited capacity fronthaul"
    - "relay assisted multiple access with full duplex multi packet reception"
    - "network level performance evaluation of a two relay cooperative random access wireless system"
    - "a retrial system with two input streams and two orbit queues"

Connected through hyperedge HE-3 (induced by source paper "on optimal policies in full duplex wireless powered communication networks"):
  with members:
    - "optimization of energy constrained wireless powered communication networks with heterogeneous nodes"
    - "battery powered devices in wpcns"
    - "wireless powered communication opportunities and challenges"
    - "energy harvesting networks with energy cooperation procrastinating policies"
    - "throughput optimization for massive mimo systems powered by wireless energy transfer"
    - "joint transmission and energy transfer policies for energy harvesting devices with finite batteries"
    - "harvest then cooperate wireless powered cooperative communications"
    - "user cooperation in wireless powered communication networks"

Connected through hyperedge HE-4 (induced by source paper "relay assisted multiple access with full duplex multi packet reception"):
  with members:
    - "effect of energy harvesting on stable throughput in cooperative relay systems"
    - "on the stability region of a relay assisted multiple access scheme"
    - "half duplex or full duplex relaying a capacity analysis under self interference"
    - "network level cooperation in energy harvesting wireless networks"
    - "relay assisted multiple access with multi packet reception capability and simultaneous transmission and reception"
    - "cellular systems with full duplex compress and forward relaying and cooperative base stations"

Connected through hyperedge HE-5 (induced by source paper "throughput of a cognitive radio network under congestion constraints a network level study"):
  with members:
    - "optimal utilization of a cognitive shared channel with a rechargeable primary source node"

Connected through hyperedge HE-6 (induced by source paper "network level performance evaluation of a two relay cooperative random access wireless system"):
  with members:
    - "polynomial complexity minimum time scheduling in a class of wireless networks"
    - "relay assisted multiple access with full duplex multi packet reception"
    - "on the stability region of a relay assisted multiple access scheme"
    - "network level cooperation in energy harvesting wireless networks"
    - "relay assisted multiple access with multi packet reception capability and simultaneous transmission and reception"

Connected through hyperedge HE-7 (induced by source paper "performance evaluation of flow allocation with successive interference cancelation for random access wmns"):
  with members:
    - "relay assisted multiple access with full duplex multi packet reception"
    - "the performance of successive interference cancellation in random wireless networks"
    - "network level performance evaluation of a two relay cooperative random access wireless system"
    - "the stability region of the two user interference channel"

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)