human: Given a hyperedge-centered hypergraph: <hypergraph>, where the center hyperedge is induced by one source paper and its member nodes are the cited papers.

Details of the hypergraph:
Center hyperedge (induced by source paper "three dimensional 3d channel modeling between seaborne mimo radar and mimo cellular system"):
  Abstract: Sharing radar spectrum with communication systems is an emerging area of research. Deploying commercial wireless communication services in radar bands give wireless operators the much needed additional spectrum to meet the growing bandwidth demands. However, to enable spectrum sharing between these two fundamentally different systems interference concerns must be addressed. In order to assess interference concerns we design a three-dimensional (3D) channel model between radar and cellular base stations (BSs) in which the radar uses a two-dimensional (2D) antenna array and the BS uses a one-dimensional (1D) antenna array. We formulate a line-of-sight (LoS) channel and then propose an algorithm that mitigates radar interference to BSs. We extend the previously proposed null space projection algorithm for 2D channels to 3D channels and show that effective nulls can be placed by utilizing both the azimuth and elevation angle information of BSs. This results in effective interference mitigation. In addition we show that the 3D channel model allows us to accurately classify the size of radar's search space when null space projection algorithm is used for interference mitigation.

Includes members:
  Member "qpsk waveform for mimo radar with spectrum sharing constraints":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "coexistence analysis between radar and cellular system in los channel")
  Member "target detection performance of spectrum sharing mimo radars":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "toward dual functional radar communication systems optimal waveform design")
  Member "overlapped mimo radar waveform design for coexistence with communication systems":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "interference exploitation for radar and cellular coexistence the power efficient approach")
  Member "a utility proportional fairness resource allocation in spectrally radar coexistent cellular networks":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "position estimation of robotic mobile nodes in wireless testbed using geni")
  Member "on the impact of time varying interference channel on the spatial approach of spectrum sharing between s band radar and communication system":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "interference exploitation for radar and cellular coexistence the power efficient approach")
  Member "preliminary results on 3d channel modeling from theory to standardization":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "understanding uav cellular communications from existing networks to massive mimo")

Question: Please tell me which class the source paper 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)