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 "optimal dof region for the asymmetric two pair mimo two way relay channel"):
  Abstract: In this paper, we study the optimal degrees of freedom (DoF) region for the two-pair MIMO two-way relay channel (TWRC) with asymmetric antenna setting, where two pairs of users exchange information with the help of a common relay. Each user i is equipped with M antennas, for i = 1, 2, 3, 4, and the relay is equipped with N antennas. First, we prove the converse of the DoF region by using the cut-set theorem and the genie-message approach. Then, we present new transmission schemes to achieve the optimal DoF region at different antenna configurations. Due to the asymmetric data exchange, where the two users in each pair can communicate a different number of data streams, we not only need to form the network-coded symbols but also need to process the additional asymmetric data streams at the relay. This is realized through the joint design of relay compression matrix and source precoding matrices. After obtaining the optimal DoF region, we study the optimal sum DoF by solving a linear programing problem. Our DoF analysis reveals that in the asymmetric antenna setting, some antennas at certain source nodes are redundant and cannot contribute to enlarge the DoF region. It is also found that there is no loss of optimality in terms of the sum DoF by enforcing symmetric data exchange within each user pair.

Includes members:
  Member "optimal degrees of freedom region for the asymmetric mimo y channel":
    also connected through other hyperedges:
      - Hyperedge HE-1 (induced by source paper "on the degrees of freedom of the symmetric multi relay mimo y channel")
  Member "generalized signal alignment on the achievable dof for multi user mimo two way relay channels":
    also connected through other hyperedges:
      - Hyperedge HE-2 (induced by source paper "on the degrees of freedom of the symmetric multi relay mimo y channel")
  Member "cyclic communication and the inseparability of mimo multi way relay channels":
    also connected through other hyperedges:
      - Hyperedge HE-3 (induced by source paper "on the degrees of freedom of the symmetric multi relay mimo y channel")
  Member "mimo multiway relaying with clustered full data exchange signal space alignment and degrees of freedom":
    also connected through other hyperedges:
      - Hyperedge HE-4 (induced by source paper "on the degrees of freedom of the symmetric multi relay mimo y channel")
  Member "mimo multiway relaying with pairwise data exchange a degrees of freedom perspective":
    also connected through other hyperedges:
      - Hyperedge HE-5 (induced by source paper "degrees of freedom of the mimo three way channel with node intermittency")
  Member "generalized signal alignment for arbitrary mimo two way relay channels":
    also connected through other hyperedges:
      - Hyperedge HE-6 (induced by source paper "optimal degrees of freedom region for the asymmetric mimo y channel")
  Member "approximate sum capacity of the y channel":
    also connected through other hyperedges:
      - Hyperedge HE-7 (induced by source paper "on the degrees of freedom of the symmetric multi relay mimo y channel")
  Member "degrees of freedom for the mimo multi way relay channel":
    also connected through other hyperedges:
      - Hyperedge HE-8 (induced by source paper "degrees of freedom of the mimo three way channel with node intermittency")

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)