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: "energy harvesting broadband communication systems with processing energy cost"
  Abstract: Communication over a broadband fading channel powered by an energy harvesting transmitter is studied. Assuming non-causal knowledge of energy/data arrivals and channel gains, optimal transmission schemes are identified by taking into account the energy cost of the processing circuitry as well as the transmission energy. A constant processing cost for each active sub-channel is assumed. Three different system objectives are considered: i) throughput maximization, in which the total amount of transmitted data by a deadline is maximized for a backlogged transmitter with a finite capacity battery; ii) energy maximization, in which the remaining energy in an infinite capacity battery by a deadline is maximized such that all the arriving data packets are delivered; iii) transmission completion time minimization, in which the delivery time of all the arriving data packets is minimized assuming infinite size battery. For each objective, a convex optimization problem is formulated, the properties of the optimal transmission policies are identified, and an algorithm which computes an optimal transmission policy is proposed. Finally, based on the insights gained from the offline optimizations, low-complexity online algorithms performing close to the optimal dynamic programming solution for the throughput and energy maximization problems are developed under the assumption that the energy/data arrivals and channel states are known causally at the transmitter.

Connected through hyperedge HE-1 (induced by source paper "flexible functional split and power control for energy harvesting cloud radio access networks"):
  with members:
    - "optimal placement of baseband functions for energy harvesting virtual small cells"
    - "on the fronthaul statistical multiplexing gain"
    - "online ski rental for on off scheduling of energy harvesting base stations"
    - "greendelivery proactive content caching and push with energy harvesting based small cells"
    - "redesigning fronthaul for next generation networks beyond baseband samples and point to point links"
    - "5g wireless backhaul networks challenges and research advances"
    - "optimal power allocation for energy harvesting and power grid coexisting wireless communication systems"
    - "transmission with energy harvesting nodes in fading wireless channels optimal policies"

Connected through hyperedge HE-2 (induced by source paper "coded status updates in an energy harvesting erasure channel"):
  with members:
    - "optimal status update for age of information minimization with an energy harvesting source"
    - "timely updates over an erasure channel"
    - "age optimal information updates in multihop networks"
    - "age and value of information non linear age case"
    - "age minimization in energy harvesting communications energy controlled delays"
    - "age minimal transmission in energy harvesting two hop networks"
    - "update or wait how to keep your data fresh"
    - "energy harvesting transmitters that heat up throughput maximization under temperature constraints"

Connected through hyperedge HE-3 (induced by source paper "a hybrid noma tdma for multiple access channels with non ideal batteries and circuit cost"):
  with members:
    - "transmission schemes for gaussian interference channels with transmitter processing energy"

Connected through hyperedge HE-4 (induced by source paper "energy harvesting networks with general utility functions near optimal online policies"):
  with members:
    - "finite horizon energy efficient scheduling with energy harvesting transmitters over fading channels"
    - "online power control optimization for wireless transmission with energy harvesting and storage"
    - "optimal offline and competitive online strategies for transmitter receiver energy harvesting"
    - "optimal policies for wireless networks with energy harvesting transmitters and receivers effects of decoding costs"
    - "iterative dynamic water filling for fading multiple access channels with energy harvesting"
    - "energy harvesting networks with energy cooperation procrastinating policies"
    - "universally near optimal online power control for energy harvesting nodes"
    - "finite horizon online lazy scheduling with energy harvesting transmitters over fading channels"

Connected through hyperedge HE-5 (induced by source paper "near optimal online distortion minimization for energy harvesting nodes"):
  with members:
    - "optimal offline and competitive online strategies for transmitter receiver energy harvesting"
    - "optimal policies for wireless networks with energy harvesting transmitters and receivers effects of decoding costs"
    - "iterative dynamic water filling for fading multiple access channels with energy harvesting"
    - "source channel coding under energy delay and buffer constraints"
    - "energy harvesting networks with energy cooperation procrastinating policies"
    - "universally near optimal online power control for energy harvesting nodes"
    - "energy cooperation in energy harvesting communications"
    - "throughput maximization for the gaussian relay channel with energy harvesting constraints"

Connected through hyperedge HE-6 (induced by source paper "energy harvesting communications under explicit and implicit temperature constraints"):
  with members:
    - "energy harvesting transmitters that heat up throughput maximization under temperature constraints"
    - "optimal policies for wireless networks with energy harvesting transmitters and receivers effects of decoding costs"
    - "iterative dynamic water filling for fading multiple access channels with energy harvesting"
    - "energy harvesting two hop communication networks"
    - "throughput maximization for the gaussian relay channel with energy harvesting constraints"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "on channels with action dependent states"
    - "broadcasting with an energy harvesting rechargeable transmitter"

Connected through hyperedge HE-7 (induced by source paper "energy harvesting communication using finite capacity batteries with internal resistance"):
  with members:
    - "online power control optimization for wireless transmission with energy harvesting and storage"
    - "energy harvesting wireless communications a review of recent advances"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "optimal save then transmit protocol for energy harvesting wireless transmitters"
    - "optimal energy allocation for wireless communications with energy harvesting constraints"
    - "a general framework for the optimization of energy harvesting communication systems with battery imperfections"
    - "transmission with energy harvesting nodes in fading wireless channels optimal policies"
    - "optimum transmission policies for battery limited energy harvesting nodes"

Connected through hyperedge HE-8 (induced by source paper "stochastic online control for energy harvesting wireless networks with battery imperfections"):
  with members:
    - "throughput maximization for the gaussian relay channel with energy harvesting constraints"
    - "a learning theoretic approach to energy harvesting communication system optimization"
    - "optimal scheduling and power allocation for two hop energy harvesting communication systems"
    - "throughput optimal policies for energy harvesting wireless transmitters with non ideal circuit power"
    - "optimal save then transmit protocol for energy harvesting wireless transmitters"
    - "broadcasting with an energy harvesting rechargeable transmitter"
    - "sum rate optimal power policies for energy harvesting transmitters in an interference channel"
    - "optimal energy allocation for wireless communications with energy harvesting constraints"

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)