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: "achieving global optimality for weighted sum rate maximization in the k user gaussian interference channel with multiple antennas"
  Abstract: Characterizing the global maximum of weighted sum-rate (WSR) for the K-user Gaussian interference channel (GIC), with the interference treated as Gaussian noise, is a key problem in wireless communication. However, due to the users' mutual interference, this problem is in general non-convex and thus cannot be solved directly by conventional convex optimization techniques. In this paper, by jointly utilizing the monotonic optimization and rate profile techniques, we develop a new framework to obtain the globally optimal power control and/or beamforming solutions to WSR maximization problems for the GICs with single-antenna transmitters and single-antenna receivers (SISO), single-antenna transmitters and multi-antenna receivers (SIMO), or multi-antenna transmitters and single-antenna receivers (MISO). Different from prior work, this paper proposes to maximize the WSR in the achievable rate region of the GIC directly by exploiting the facts that the achievable rate region is a "normal" set and the users' WSR is a strictly increasing function over the rate region. Consequently, the WSR maximization is shown to be in the form of monotonic optimization over a normal set and thus can be solved globally optimally by the existing outer polyblock approximation algorithm. However, an essential step in the algorithm hinges on how to efficiently characterize the intersection point on the Pareto boundary of the achievable rate region with any prescribed "rate profile" vector. This paper shows that such a problem can be transformed into a sequence of signal-to-interference-plus-noise ratio (SINR) feasibility problems, which can be solved efficiently by applying existing techniques. Numerical results validate that the proposed algorithms can achieve the global WSR maximum for the SISO, SIMO or MISO GIC, which serves as a performance benchmark for other heuristic algorithms.

Connected through hyperedge HE-1 (induced by source paper "mixed monotonic programming for fast global optimization"):
  with members:
    - "optimization of weighted individual energy efficiencies in interference networks"
    - "efficient global optimal resource allocation in non orthogonal interference networks"
    - "energy efficient power control a look at 5g wireless technologies"
    - "resource allocation for energy efficient 3 way relay channels"
    - "robust monotonic optimization framework for multicell miso systems"
    - "framework for link level energy efficiency optimization with informed transmitter"
    - "mapel achieving global optimality for a non convex wireless power control problem"
    - "optimal linear precoding strategies for wideband non cooperative systems based on game theory part ii algorithms"

Connected through hyperedge HE-2 (induced by source paper "two user simo interference channel with tin improper signaling versus time sharing"):
  with members:
    - "mixed monotonic programming for fast global optimization"
    - "improper signaling versus time sharing in the two user gaussian interference channel with tin"
    - "rate region boundary of the siso z interference channel with improper signaling"
    - "optimized transmission with improper gaussian signaling in the k user miso interference channel"
    - "transmit optimization with improper gaussian signaling for interference channels"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"

Connected through hyperedge HE-3 (induced by source paper "cellular connected uav uplink association power control and interference coordination"):
  with members:
    - "fundamental tradeoffs in communication and trajectory design for uav enabled wireless network"
    - "capacity characterization of uav enabled two user broadcast channel"
    - "cellular connected uav potentials challenges and promising technologies"
    - "mobile networks connected drones field trials simulations and design insights"
    - "the sky is not the limit lte for unmanned aerial vehicles"
    - "cellular enabled uav communication a connectivity constrained trajectory optimization perspective"
    - "ultra reliable uav communication using altitude and cooperation diversity"
    - "interference mitigation methods for unmanned aerial vehicles served by cellular networks"

Connected through hyperedge HE-4 (induced by source paper "multi beam uav communication in cellular uplink cooperative interference cancellation and sum rate maximization"):
  with members:
    - "mobile networks connected drones field trials simulations and design insights"
    - "the sky is not the limit lte for unmanned aerial vehicles"
    - "cellular enabled uav communication a connectivity constrained trajectory optimization perspective"
    - "massive mimo for communications with drone swarms"
    - "massive mimo for drone communications applications case studies and future directions"
    - "a survey on non orthogonal multiple access for 5g networks research challenges and future trends"
    - "coexistence of terrestrial and aerial users in cellular networks"
    - "cloud radio access network virtualizing wireless access for dense heterogeneous systems"

Connected through hyperedge HE-5 (induced by source paper "secure routing with power optimization for ad hoc networks"):
  with members:
    - "physical layer security jamming theoretical limits and practical designs in wireless networks"
    - "secure transmission in linear multihop relaying networks"
    - "a primer on cellular network analysis using stochastic geometry"
    - "physical layer security in heterogeneous cellular networks"
    - "secure routing in multihop wireless ad hoc networks with decode and forward relaying"
    - "optimizing df cognitive radio networks with full duplex enabled energy access points"
    - "principles of physical layer security in multiuser wireless networks a survey"
    - "on the throughput cost of physical layer security in decentralized wireless networks"

Connected through hyperedge HE-6 (induced by source paper "improper signaling versus time sharing in the two user gaussian interference channel with tin"):
  with members:
    - "rate region boundary of the siso z interference channel with improper signaling"
    - "optimized transmission with improper gaussian signaling in the k user miso interference channel"
    - "transmit optimization with improper gaussian signaling for interference channels"
    - "interference alignment with asymmetric complex signaling settling the host madsen nosratinia conjecture"
    - "capacity bounds for the gaussian interference channel"
    - "mapel achieving global optimality for a non convex wireless power control problem"

Connected through hyperedge HE-7 (induced by source paper "parallel and distributed methods for nonconvex optimization part ii applications"):
  with members:
    - "parallel selective algorithms for big data optimization"
    - "parallel and distributed methods for nonconvex optimization part i theory"
    - "decomposition by partial linearization parallel optimization of multi agent systems"
    - "weighted fair multicast multigroup beamforming under per antenna power constraints"
    - "alternating rate profile optimization in single stream mimo interference channels"
    - "coordinated multicast beamforming in multicell networks"
    - "distributed optimal beamformers for cognitive radios robust to channel uncertainties"
    - "sum rate maximization in two way af mimo relaying polynomial time solutions to a class of dc programming problems"

Connected through hyperedge HE-8 (induced by source paper "generic multiuser coordinated beamforming for underlay spectrum sharing"):
  with members:
    - "decomposition by partial linearization parallel optimization of multi agent systems"
    - "transmit designs for the mimo broadcast channel with statistical csi"
    - "mimo broadcasting for simultaneous wireless information and power transfer"
    - "optimal spectrum sharing in mimo cognitive radio networks via semidefinite programming"
    - "on gaussian mimo bc mac duality with multiple transmit covariance constraints"
    - "exploiting multi antennas for opportunistic spectrum sharing in cognitive radio networks"

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)